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Portfolio Holdings Detail for ISIN IE000D3BWBR2
Stock Name / FundiShares S&P 500 Swap UCITS ETF USD (Dist)
IssuerBlackrock
Entity holding fund iShares VI Public Limited Company
Entity Type
Entity LEI 549300VML6THE3JJOS76
ETF TickerI50D(USD) Euronext Amsterdam

Holdings detail for BIIB

Stock NameBiogen Inc
TickerBIIB(USD) NASDAQ
TYPECommon Stock
CountryUSA
ISINUS09062X1037
LEIW8J5WZB5IY3K0NDQT671

Show aggregate BIIB holdings

News associated with BIIB

Analysts Set Biogen Inc. (NASDAQ:BIIB) PT at $185.74
Shares of Biogen Inc. (NASDAQ:BIIB – Get Free Report) have earned a consensus rating of “Hold” from the thirty-two research firms that are currently covering the company, MarketBeat Ratings reports. Twenty-one research analysts have rated the stock with a hold rating and eleven have assigned a buy rating to the company. The average twelve-month price […] - 2025-09-08 03:08:53
Stocks Retreat as Bond Yields Climb
The S&P 500 Index ($SPX ) (SPY ) on Tuesday closed down by -0.69%, the Dow Jones Industrials Index ($DOWI ) (DIA ) closed down by -0.55%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) closed down by -0.79%. September E-mini S&P futures (ESU25 ) fell -0.65%, and September... - 2025-09-03 14:33:33
Notable Wednesday Option Activity: WDC, ADBE, BIIB
Looking at options trading activity among components of the S&P 500 index, there is noteworthy activity today in Western Digital Corp (Symbol: WDC), where a total volume of 31,773 contracts has been traded thus far today, a contract volume which is representative of approxim - 2025-09-03 14:18:29
Stocks Retreat as Bond Yields Climb
The S&P 500 Index ($SPX ) (SPY ) on Tuesday closed down by -0.69%, the Dow Jones Industrials Index ($DOWI ) (DIA ) closed down by -0.55%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) closed down by -0.79%. September E-mini S&P futures (ESU25 ) fell -0.65%, and September... - 2025-09-03 13:44:52
Stocks Retreat as Bond Yields Climb
The S&P 500 Index ($SPX ) (SPY ) on Tuesday closed down by -0.69%, the Dow Jones Industrials Index ($DOWI ) (DIA ) closed down by -0.55%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) closed down by -0.79%. September E-mini S&P futures (ESU25 ) fell -0.65%, and September... - 2025-09-03 12:52:53
Stocks Retreat as Bond Yields Climb
The S&P 500 Index ($SPX ) (SPY ) on Tuesday closed down by -0.69%, the Dow Jones Industrials Index ($DOWI ) (DIA ) closed down by -0.55%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) closed down by -0.79%. September E-mini S&P futures (ESU25 ) fell -0.65%, and September... - 2025-09-03 12:27:04
Stocks Retreat as Bond Yields Climb
The S&P 500 Index ($SPX ) (SPY ) on Tuesday closed down by -0.69%, the Dow Jones Industrials Index ($DOWI ) (DIA ) closed down by -0.55%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) closed down by -0.79%. September E-mini S&P futures (ESU25 ) fell -0.65%, and September... - 2025-09-03 10:14:11
Stocks Retreat as Bond Yields Climb
The S&P 500 Index ($SPX ) (SPY ) on Tuesday closed down by -0.69%, the Dow Jones Industrials Index ($DOWI ) (DIA ) closed down by -0.55%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) closed down by -0.79%. September E-mini S&P futures (ESU25 ) fell -0.65%, and September... - 2025-09-03 08:10:07
Stocks Retreat as Bond Yields Climb
The S&P 500 Index ($SPX ) (SPY ) on Tuesday closed down by -0.69%, the Dow Jones Industrials Index ($DOWI ) (DIA ) closed down by -0.55%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) closed down by -0.79%. September E-mini S&P futures (ESU25 ) fell -0.65%, and September... - 2025-09-03 06:59:07
Stocks Retreat as Bond Yields Climb
The S&P 500 Index ($SPX ) (SPY ) on Tuesday closed down by -0.69%, the Dow Jones Industrials Index ($DOWI ) (DIA ) closed down by -0.55%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) closed down by -0.79%. September E-mini S&P futures (ESU25 ) fell -0.65%, and September... - 2025-09-03 05:15:06
Stocks Retreat as Bond Yields Climb
The S&P 500 Index ($SPX ) (SPY ) on Tuesday closed down by -0.69%, the Dow Jones Industrials Index ($DOWI ) (DIA ) closed down by -0.55%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) closed down by -0.79%. September E-mini S&P futures (ESU25 ) fell -0.65%, and September... - 2025-09-03 04:43:16
Stocks Retreat as Bond Yields Climb
The S&P 500 Index ($SPX ) (SPY ) on Tuesday closed down by -0.69%, the Dow Jones Industrials Index ($DOWI ) (DIA ) closed down by -0.55%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) closed down by -0.79%. September E-mini S&P futures (ESU25 ) fell -0.65%, and September... - 2025-09-03 03:40:04
Stocks Retreat as Bond Yields Climb
The S&P 500 Index ($SPX ) (SPY ) on Tuesday closed down by -0.69%, the Dow Jones Industrials Index ($DOWI ) (DIA ) closed down by -0.55%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) closed down by -0.79%. September E-mini S&P futures (ESU25 ) fell -0.65%, and September... - 2025-09-03 01:21:35
Stocks Tumble on Higher Bond Yields
The S&P 500 Index ($SPX ) (SPY ) today is down by -1.26%, the Dow Jones Industrials Index ($DOWI ) (DIA ) is down by -1.23%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) is down by -1.38%. September E-mini S&P futures (ESU25 ) are down -1.25%, and September... - 2025-09-02 20:15:06
Stocks Under Pressure from Higher Bond Yields
The S&P 500 Index ($SPX ) (SPY ) today is down by -1.15%, the Dow Jones Industrials Index ($DOWI ) (DIA ) is down by -0.83%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) is down by -1.32%. September E-mini S&P futures (ESU25 ) are down -1.15%, and September... - 2025-09-02 17:45:25
Stocks Under Pressure from Higher Bond Yields
The S&P 500 Index ($SPX ) (SPY ) today is down by -1.15%, the Dow Jones Industrials Index ($DOWI ) (DIA ) is down by -0.83%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) is down by -1.32%. September E-mini S&P futures (ESU25 ) are down -1.15%, and September... - 2025-09-02 13:49:14
Stocks Tumble on Higher Bond Yields
The S&P 500 Index ($SPX ) (SPY ) today is down by -1.26%, the Dow Jones Industrials Index ($DOWI ) (DIA ) is down by -1.23%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) is down by -1.38%. September E-mini S&P futures (ESU25 ) are down -1.25%, and September... - 2025-09-02 13:32:33
Stocks Tumble on Higher Bond Yields
The S&P 500 Index ($SPX ) (SPY ) today is down by -1.26%, the Dow Jones Industrials Index ($DOWI ) (DIA ) is down by -1.23%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) is down by -1.38%. September E-mini S&P futures (ESU25 ) are down -1.25%, and September... - 2025-09-02 12:50:37
Eisai: FDA Approves LEQEMBI IQLIK For Maintenance Dosing In Treatment Of Early Alzheimer's
(RTTNews) - Eisai and Biogen (BIIB) announced that the FDA has approved the Biologics License Application for once weekly lecanemab-irmb subcutaneous injection, or LEQEMBI IQLIK, for maintenance dosing for the treatment of early Alzheimer's. LEQEMBI IQLIK will be launched on Octo - 2025-09-01 03:23:41
Biogen Inc. (NASDAQ:BIIB) Receives $185.63 Consensus PT from Analysts
Biogen Inc. (NASDAQ:BIIB – Get Free Report) has been given a consensus rating of “Hold” by the thirty-two research firms that are covering the stock, MarketBeat Ratings reports. Twenty-one analysts have rated the stock with a hold rating and eleven have given a buy rating to the company. The average 1-year price target among brokerages […] - 2025-08-14 03:06:52
Biogen (NASDAQ:BIIB) Price Target Raised to $219.00
Biogen (NASDAQ:BIIB – Free Report) had its price target upped by Royal Bank Of Canada from $208.00 to $219.00 in a research note released on Friday,Benzinga reports. The brokerage currently has an outperform rating on the biotechnology company’s stock. Other equities research analysts have also recently issued research reports about the stock. Canaccord Genuity Group […] - 2025-08-04 06:37:00
Biogen (NASDAQ:BIIB) Given New $194.00 Price Target at HC Wainwright
Biogen (NASDAQ:BIIB – Free Report) had its price objective upped by HC Wainwright from $187.00 to $194.00 in a research report released on Friday,Benzinga reports. HC Wainwright currently has a buy rating on the biotechnology company’s stock. A number of other analysts also recently issued reports on the stock. Mizuho dropped their price target on […] - 2025-08-04 04:35:01
Leerink Partnrs Estimates Biogen’s Q3 Earnings (NASDAQ:BIIB)
Biogen Inc. (NASDAQ:BIIB – Free Report) – Stock analysts at Leerink Partnrs cut their Q3 2025 earnings per share (EPS) estimates for Biogen in a research report issued to clients and investors on Thursday, July 31st. Leerink Partnrs analyst M. Goodman now expects that the biotechnology company will post earnings per share of $3.86 for […] - 2025-08-04 02:46:51
Biogen (NASDAQ:BIIB) Upgraded at Wall Street Zen
Biogen (NASDAQ:BIIB – Get Free Report) was upgraded by equities researchers at Wall Street Zen from a “hold” rating to a “buy” rating in a research note issued on Saturday. A number of other equities analysts also recently commented on the stock. Mizuho reduced their target price on shares of Biogen from $207.00 to $169.00 […] - 2025-08-04 02:14:53
Biogen (NASDAQ:BIIB) Stock Acquired Rep. Robert Bresnahan, Jr.
Representative Robert Bresnahan, Jr. (R-Pennsylvania) recently bought shares of Biogen Inc. (NASDAQ:BIIB). In a filing disclosed on June 09th, the Representative disclosed that they had bought between $1,001 and $15,000 in Biogen stock on May 15th. The trade occurred in the Representative’s “JP MORGAN BROKERAGE ACCOUNT” account. Representative Robert Bresnahan, Jr. also recently made the […] - 2025-08-01 03:02:52
Nasdaq 100 Movers: ARM, META
In early trading on Thursday, shares of Meta Platforms topped the list of the day's best performing components of the Nasdaq 100 index, trading up 12.5%. Year to date, Meta Platforms registers a 33.6% gain. And the worst performing Nasdaq 100 component thus far on the day is A - 2025-07-31 11:22:04
Eisai And Biogen Say Four Years Of Leqembi Helps In Slowing Down Alzheimer's Disease Progression
(RTTNews) - Eisai Co., Ltd. and Biogen Inc. (BIIB) Wednesday said results from Phase 3 Clarity AD study showed that continuous treatment with Leqembi helped in slowing down the progression in patients with early Alzheimer's disease. - 2025-07-30 10:43:06
HighPoint Advisor Group LLC Decreases Stock Holdings in Biogen Inc. (NASDAQ:BIIB)
HighPoint Advisor Group LLC cut its holdings in shares of Biogen Inc. (NASDAQ:BIIB – Free Report) by 10.2% in the first quarter, according to its most recent filing with the Securities and Exchange Commission. The fund owned 1,736 shares of the biotechnology company’s stock after selling 198 shares during the quarter. HighPoint Advisor Group LLC’s […] - 2025-07-25 05:52:55
Teachers Retirement System of The State of Kentucky Has $1.53 Million Position in Biogen Inc. (NASDAQ:BIIB)
Teachers Retirement System of The State of Kentucky increased its holdings in Biogen Inc. (NASDAQ:BIIB – Free Report) by 2.8% in the 1st quarter, according to its most recent disclosure with the Securities & Exchange Commission. The institutional investor owned 11,213 shares of the biotechnology company’s stock after purchasing an additional 301 shares during the […] - 2025-07-25 05:05:17
Biogen Inc. (NASDAQ:BIIB) Stake Raised by Victory Capital Management Inc.
Victory Capital Management Inc. boosted its stake in shares of Biogen Inc. (NASDAQ:BIIB – Free Report) by 4.8% during the 1st quarter, according to the company in its most recent filing with the Securities and Exchange Commission. The firm owned 124,756 shares of the biotechnology company’s stock after buying an additional 5,723 shares during the […] - 2025-07-23 07:50:52

iShares S&P 500 Swap UCITS ETF USD (Dist) BIIB holdings

DateNumber of BIIB Shares HeldBase Market Value of BIIB SharesLocal Market Value of BIIB SharesChange in BIIB Shares HeldChange in BIIB Base ValueCurrent Price per BIIB Share HeldPrevious Price per BIIB Share Held
2026-02-09 (Monday)52,633BIIB holding increased by 105266USD 10,200,802BIIB holding increased by 20789509USD 10,200,802105,266USD 20,789,509 USD 193.81 USD 0
2026-02-09 (Monday)-52,633BIIB holding increased by 105266USD -10,200,802BIIB holding increased by 20789509USD -10,200,802105,266USD 20,789,509 USD 193.81 USD 0
2026-02-06 (Friday)52,633BIIB holding decreased by -105266USD 10,588,707BIIB holding decreased by -21177414USD 10,588,707-105,266USD -21,177,414 USD 118.33 USD 119.775
2026-02-06 (Friday)-52,633BIIB holding decreased by -105266USD -10,588,707BIIB holding decreased by -21177414USD -10,588,707-105,266USD -21,177,414 USD 118.33 USD 119.775
2026-02-02 (Monday)77,869BIIB holding increased by 155738USD 13,945,559BIIB holding increased by 27953413USD 13,945,559155,738USD 27,953,413 USD 179.09 USD 0
2026-02-02 (Monday)-77,869BIIB holding increased by 155738USD -13,945,559BIIB holding increased by 27953413USD -13,945,559155,738USD 27,953,413 USD 179.09 USD 0
2026-01-30 (Friday)77,869BIIB holding increased by 155738USD 14,007,854BIIB holding increased by 27726814USD 14,007,854155,738USD 27,726,814 USD 179.89 USD 0
2026-01-30 (Friday)-77,869BIIB holding increased by 155738USD -14,007,854BIIB holding increased by 27726814USD -14,007,854155,738USD 27,726,814 USD 179.89 USD 0
2026-01-29 (Thursday)77,869BIIB holding increased by 155738USD 13,718,960BIIB holding increased by 27332797USD 13,718,960155,738USD 27,332,797 USD 176.18 USD 0
2026-01-29 (Thursday)-77,869BIIB holding increased by 155738USD -13,718,960BIIB holding increased by 27332797USD -13,718,960155,738USD 27,332,797 USD 176.18 USD 0
2026-01-28 (Wednesday)77,869BIIB holding increased by 155738USD 13,613,837BIIB holding increased by 27172387USD 13,613,837155,738USD 27,172,387 USD 174.83 USD 0
2026-01-28 (Wednesday)-77,869BIIB holding increased by 155738USD -13,613,837BIIB holding increased by 27172387USD -13,613,837155,738USD 27,172,387 USD 174.83 USD 0
2026-01-27 (Tuesday)77,869BIIB holding increased by 161409USD 13,558,550BIIB holding increased by 28020995USD 13,558,550161,409USD 28,020,995 USD 174.12 USD 0
2026-01-27 (Tuesday)-77,869BIIB holding increased by 161409USD -13,558,550BIIB holding increased by 28020995USD -13,558,550161,409USD 28,020,995 USD 174.12 USD 0
2026-01-26 (Monday)83,540BIIB holding increased by 167080USD 14,462,445BIIB holding increased by 28797074USD 14,462,445167,080USD 28,797,074 USD 173.12 USD 0
2026-01-26 (Monday)-83,540BIIB holding increased by 167080USD -14,462,445BIIB holding increased by 28797074USD -14,462,445167,080USD 28,797,074 USD 173.12 USD 0
2026-01-23 (Friday)83,540BIIB holding increased by 167080USD 14,334,629BIIB holding increased by 28853881USD 14,334,629167,080USD 28,853,881 USD 171.59 USD 0
2026-01-23 (Friday)-83,540BIIB holding increased by 167080USD -14,334,629BIIB holding increased by 28853881USD -14,334,629167,080USD 28,853,881 USD 171.59 USD 0
Share price and value of shares held is calculated on the adjusted close price of each day (row). Changes between days reflect the gain/loss of the portfolio as a result of changes in the adjusted close price and changes in the holdings

Share Trades of BIIB by Blackrock for IE000D3BWBR2

Show aggregate share trades of BIIB

DateActionQuantityMarket HighMarket LowLikely Trade PriceLikely Trade Value (Profit/Loss)Average Price previous trades
2026-02-09BUY105,266 193.810* -
2026-02-06SELL-105,266 118.330* -
2026-02-02BUY155,738180.760177.580 177.898USD 27,705,477 -
2026-01-30BUY155,738180.140175.955 176.374USD 27,468,056 -
2026-01-29BUY155,738177.170173.510 173.876USD 27,079,100 -
2026-01-28BUY155,738175.060170.861 171.281USD 26,674,944 -
2026-01-27BUY161,409176.140172.230 172.621USD 27,862,582 -
2026-01-26BUY167,080174.310170.590 170.962USD 28,564,330 -
2026-01-23BUY167,080173.900170.040 170.426USD 28,474,775 -
2026-01-22BUY167,080175.290171.650 172.014USD 28,740,098 -
2026-01-21BUY167,080172.860165.310 166.065USD 27,746,140 -
2026-01-20BUY167,080165.610160.365 160.889USD 26,881,343 -
2026-01-19BUY167,080 164.420* -
2026-01-16BUY167,080169.340163.750 164.309USD 27,452,748 -
2026-01-15BUY167,080169.650166.820 167.103USD 27,919,570 -
2026-01-14BUY167,080178.410165.600 166.881USD 27,882,478 -
2026-01-13BUY167,080186.317177.050 177.977USD 29,736,346 -
2026-01-12BUY167,080188.000182.730 183.257USD 30,618,579 -
2026-01-09BUY167,080190.200186.490 186.861USD 31,220,737 -
2026-01-08BUY167,080187.660183.500 183.916USD 30,728,685 -
2026-01-07BUY167,080187.060181.700 182.236USD 30,447,990 -
2026-01-06BUY180,978178.410174.300 174.711USD 31,618,848 -
2026-01-05BUY194,876180.555171.610 172.504USD 33,616,987 -
2026-01-02BUY194,876178.240174.280 174.676USD 34,040,160 -
2025-12-31BUY194,876177.190175.020 175.237USD 34,149,486 -
2025-12-31BUY194,876177.190175.020 175.237USD 34,149,486 -
2025-12-30BUY205,497176.990175.720 175.847USD 36,136,031 -
2025-12-29BUY216,118178.460176.310 176.525USD 38,150,230 -
2025-12-26BUY216,118177.190175.000 175.219USD 37,867,980 -
2025-12-24BUY216,118177.180175.370 175.551USD 37,939,730 -
2025-12-24BUY216,118177.180175.370 175.551USD 37,939,730 -
2025-12-23BUY216,118175.580173.080 173.330USD 37,459,733 -
2025-12-22BUY231,706177.290172.900 173.339USD 40,163,685 -
2025-12-19BUY247,294176.420170.001 170.643USD 42,198,967 -
2025-12-18BUY247,294173.000168.560 169.004USD 41,793,675 -
2025-12-17BUY247,294173.830169.550 169.978USD 42,034,540 -
2025-12-16BUY275,712174.510169.520 170.019USD 46,876,279 -
2025-12-15BUY304,130175.940170.450 170.999USD 52,005,925 -
2025-12-12BUY304,130175.080171.270 171.651USD 52,204,220 -
2025-12-11BUY304,130180.790172.000 172.879USD 52,577,690 -
2025-12-10BUY304,130178.170169.241 170.134USD 51,742,931 -
2025-12-09BUY304,130181.990175.390 176.050USD 53,542,087 -
2025-12-08BUY304,130182.120179.210 179.501USD 54,591,641 -
2025-12-05BUY304,130183.060181.100 181.296USD 55,137,554 -
2025-12-04BUY304,130182.690179.270 179.612USD 54,625,399 -
2025-12-03BUY268,471182.940178.160 178.638USD 47,959,123 -
2025-12-02BUY232,812180.545174.530 175.131USD 40,772,714 -
2025-12-01BUY232,812181.780176.000 176.578USD 41,109,477 -
2025-11-28BUY232,812182.740180.685 180.890USD 42,113,479 -
2025-11-27BUY232,812 181.940* -
2025-11-26BUY232,812183.930180.760 181.077USD 42,156,897 -
2025-11-26BUY232,812183.930180.760 181.077USD 42,156,897 -
2025-11-25BUY232,812182.970176.640 177.273USD 41,271,282 -
2025-11-24BUY232,812185.170175.570 176.530USD 41,098,323 -
2025-11-21BUY232,812176.010167.710 168.540USD 39,238,136 -
2025-11-20BUY232,812170.910165.750 166.266USD 38,708,720 -
2025-11-19BUY232,812168.900165.790 166.101USD 38,670,304 -
2025-11-18BUY232,812170.780163.000 163.778USD 38,129,484 -
2025-11-17BUY232,812167.970163.500 163.947USD 38,168,829 -
2025-11-14BUY232,812169.000163.070 163.663USD 38,102,712 -
2025-11-13BUY232,812167.870161.200 161.867USD 37,684,577 -
2025-11-12BUY232,812162.560158.050 158.501USD 36,900,935 -
2025-11-11BUY232,812159.940154.202 154.776USD 36,033,644 -
2025-11-10BUY232,812156.550153.770 154.048USD 35,864,224 -
2025-11-07BUY232,812156.700151.830 152.317USD 35,461,226 -
2025-11-06BUY232,812157.790153.760 154.163USD 35,890,995 -
2025-11-05BUY232,812153.660148.900 149.376USD 34,776,524 -
2025-11-04BUY232,812152.900149.050 149.435USD 34,790,262 -
2025-11-03BUY232,812155.334149.630 150.200USD 34,968,449 -
2025-10-31BUY232,812155.180146.520 147.386USD 34,313,247 -
2025-10-30BUY232,812154.440138.000 139.644USD 32,510,799 -
2025-10-29BUY232,812147.860149.910 149.705USD 34,853,121 -
2025-10-28BUY232,812149.130150.300 150.183USD 34,964,405 -
2025-10-27BUY232,812150.430150.920 150.871USD 35,124,579 -
2025-10-24BUY232,812149.890151.920 151.717USD 35,321,538 -
2025-10-23BUY232,812150.080150.290 150.269USD 34,984,425 -
2025-10-22BUY232,812147.720149.120 148.980USD 34,684,331 -
2025-10-21BUY232,812146.220147.890 147.723USD 34,391,687 -
2025-10-20BUY232,812146.630147.470 147.386USD 34,313,230 -
2025-10-17BUY232,812143.000144.320 144.188USD 33,568,698 -
2025-10-16BUY232,812142.260147.480 146.958USD 34,213,585 -
2025-10-15BUY232,812143.660145.190 145.037USD 33,766,355 -
2025-10-14BUY232,812145.310146.880 146.723USD 34,158,876 -
2025-10-13SELL-232,812144.690147.560 147.273USD -34,286,921 -
2025-10-03BUY232,812159.880160.200 160.168USD 37,289,032 -
2025-10-02BUY232,812155.250157.850 157.590USD 36,688,844 -
2025-10-01BUY232,812154.220154.440 154.418USD 35,950,364 -
2025-09-30BUY232,812140.080141.040 140.944USD 32,813,453 -
2025-09-29BUY232,812138.520138.800 138.772USD 32,307,788 -
2025-09-26BUY232,812137.370138.000 137.937USD 32,113,389 -
2025-09-25BUY232,812135.670140.670 140.170USD 32,633,258 -
2025-09-24SELL-232,812137.670139.280 139.119USD -32,388,572 -
2025-09-18BUY247,542143.810146.450 146.186USD 36,187,174 -
2025-09-17BUY247,542144.870146.680 146.499USD 36,264,654 -
2025-09-16BUY247,542143.680147.230 146.875USD 36,357,730 -
2025-09-15SELL-247,542143.320145.990 145.723USD -36,072,564 -
2025-09-10BUY247,542142.610143.450 143.366USD 35,489,106 -
2025-09-09BUY247,542143.600143.740 143.726USD 35,578,223 -
2025-09-08BUY247,542141.350143.230 143.042USD 35,408,902 -
2025-09-05BUY247,542140.670144.200 143.847USD 35,608,173 -
2025-09-04SELL-247,542139.940142.280 142.046USD -35,162,351 -
2025-08-29BUY210,194132.220133.480 133.354USD 28,030,210 -
2025-08-28SELL-210,194132.650136.360 135.989USD -28,584,072 -
2025-08-22BUY64,864139.310142.320 142.019USD 9,211,921 -
2025-08-21BUY64,864139.120140.200 140.092USD 9,086,927 -
2025-08-20BUY64,864138.990140.500 140.349USD 9,103,598 -
2025-08-19BUY64,864138.860139.580 139.508USD 9,049,047 -
2025-08-18BUY64,864135.910141.180 140.653USD 9,123,316 -
2025-08-15SELL-64,864138.600138.830 138.807USD -9,003,577 -
2025-08-07BUY64,864127.750130.680 130.387USD 8,457,422 -
2025-08-06BUY64,864129.340132.670 132.337USD 8,583,907 -
2025-08-05BUY64,864132.890134.160 134.033USD 8,693,917 -
2025-08-04BUY64,864132.200133.980 133.802USD 8,678,933 -
2025-08-01BUY64,864131.950132.900 132.805USD 8,614,263 -
2025-07-31BUY64,864128.000135.430 134.687USD 8,736,337 -
2025-07-30BUY64,864126.640129.780 129.466USD 8,397,683 -
2025-07-29BUY64,864127.900129.260 129.124USD 8,375,499 -
2025-07-28SELL-64,864129.280131.850 131.593USD -8,535,649 -
2025-07-24BUY64,864132.590132.650 132.644USD 8,603,820 -
2025-07-23BUY64,864130.980131.250 131.223USD 8,511,649 -
2025-07-22BUY64,864127.850127.940 127.931USD 8,298,117 -
2025-07-21BUY64,864122.680125.420 125.146USD 8,117,470 -
2025-07-18BUY64,864124.990129.580 129.121USD 8,375,305 -
2025-07-17BUY64,864128.690129.210 129.158USD 8,377,705 -
2025-07-16BUY64,864128.460129.510 129.405USD 8,393,726 -
2025-07-15BUY64,864127.500133.360 132.774USD 8,612,253 -
2025-07-14BUY64,864133.110134.210 134.100USD 8,698,263 -
2025-07-11BUY64,864134.210134.590 134.552USD 8,727,581 -
2025-07-10BUY64,864135.330137.190 137.004USD 8,886,628 -
2025-07-09BUY64,864133.020137.840 137.358USD 8,909,589 -
2025-07-08BUY64,864134.460135.580 135.468USD 8,786,997 -
2025-07-07BUY64,864130.130133.200 132.893USD 8,619,971 -
2025-07-04BUY64,864 132.870* -
2025-07-03BUY64,864132.870134.420 134.265USD 8,708,965 -
2025-07-02BUY64,864133.190134.630 134.486USD 8,723,300 -
2025-06-30BUY64,864125.590126.530 126.436USD 8,201,145 -
2025-06-27BUY64,864126.080128.250 128.033USD 8,304,733 -
2025-06-26BUY64,864126.920129.270 129.035USD 8,369,726 -
2025-06-25BUY84,494127.310127.980 127.913USD 10,807,881 -
2025-06-24BUY104,124126.310127.360 127.255USD 13,250,300 -
2025-06-23BUY104,124124.760127.680 127.388USD 13,264,148 -
2025-06-20BUY104,124127.040128.640 128.480USD 13,377,851 -
2025-06-19BUY104,124 126.540* -
2025-06-18BUY104,124126.540127.880 127.746USD 13,301,424 -
2025-06-17BUY104,124126.560130.700 130.286USD 13,565,899 -
2025-06-16BUY104,124131.040131.580 131.526USD 13,695,013 -
2025-06-13BUY104,124130.650132.490 132.306USD 13,776,230 -
2025-06-12BUY104,124132.310134.120 133.939USD 13,946,264 -
2025-06-11BUY104,124133.060136.410 136.075USD 14,168,674 -
2025-06-10BUY104,124135.490136.840 136.705USD 14,234,271 -
2025-06-09BUY104,124134.150135.690 135.536USD 14,112,551 -
2025-06-06BUY104,124133.130133.720 133.661USD 13,917,318 -
2025-06-05BUY104,124130.360132.120 131.944USD 13,738,537 -
2025-06-04BUY104,124131.860133.660 133.480USD 13,898,472 -
2025-06-03BUY104,124131.840134.740 134.450USD 13,999,472 -
2025-06-02BUY104,124131.140131.850 131.779USD 13,721,357 -
2025-05-30BUY104,124129.790132.590 132.310USD 13,776,646 -
2025-05-29BUY104,124132.750132.940 132.921USD 13,840,266 -
2025-05-28BUY104,124127.530129.900 129.663USD 13,501,030 -
2025-05-27BUY104,124128.390129.360 129.263USD 13,459,381 -
2025-05-26BUY104,124 125.810* -
2025-05-23BUY104,124125.810126.190 126.152USD 13,135,451 -
2025-05-22BUY104,124126.300127.070 126.993USD 13,223,019 -
2025-05-21BUY104,124126.820130.070 129.745USD 13,509,569 -
2025-05-20BUY104,124130.550131.130 131.072USD 13,647,741 -
2025-05-19BUY104,124129.440129.560 129.548USD 13,489,056 -
2025-05-16BUY104,124125.590125.770 125.752USD 13,093,801 -
2025-05-15BUY104,124123.700123.720 123.718USD 12,882,013 -
2025-05-14BUY104,124120.370123.740 123.403USD 12,849,214 -
2025-05-13BUY104,124123.160124.400 124.276USD 12,940,114 -
2025-05-12BUY104,124124.400124.820 124.778USD 12,992,384 -
2025-05-09BUY104,124118.170120.110 119.916USD 12,486,134 -
2025-05-08BUY104,124118.390119.870 119.722USD 12,465,934 -
2025-05-07BUY104,124117.210118.000 117.921USD 12,278,406 -
2025-05-06BUY104,124116.820121.810 121.311USD 12,631,386 -
2025-05-05BUY104,124121.800123.530 123.357USD 12,844,424 -
2025-05-02BUY104,124123.530123.720 123.701USD 12,880,243 -
2025-05-01BUY104,124120.930125.340 124.899USD 13,004,983 -
2025-04-30BUY104,124121.080121.410 121.377USD 12,638,259 -
2025-04-29BUY104,124120.170121.170 121.070USD 12,606,292 -
2025-04-28BUY104,124119.120120.090 119.993USD 12,494,151 -
2025-04-25BUY104,124118.840119.620 119.542USD 12,447,191 -
2025-04-24BUY104,124119.510120.050 119.996USD 12,494,464 -
2025-04-23BUY104,124118.170121.750 121.392USD 12,639,821 -
2025-04-22BUY104,124118.890119.720 119.637USD 12,457,083 -
2025-04-21BUY104,124116.490118.610 118.398USD 12,328,073 -
2025-04-18BUY104,124 118.610* -
2025-04-17BUY104,124118.610118.770 118.754USD 12,365,141 -
2025-04-16BUY104,124115.290118.000 117.729USD 12,258,414 -
2025-04-15BUY104,124116.980119.930 119.635USD 12,456,875 -
2025-04-14BUY104,124119.260119.990 119.917USD 12,486,238 -
2025-04-11BUY104,124115.170116.390 116.268USD 12,106,289 -
2025-04-10BUY118,843113.380118.830 118.285USD 14,057,344 -
2025-04-09BUY126,696120.490121.080 121.021USD 15,332,877 -
2025-04-08BUY119,830114.050120.790 120.116USD 14,393,500 -
2025-04-07BUY119,830119.190123.770 123.312USD 14,776,477 -
2025-04-04BUY119,830122.980129.950 129.253USD 15,488,387 -
2025-04-02BUY119,830131.320134.000 133.732USD 16,025,106 -
2025-04-01BUY119,830132.030137.320 136.791USD 16,391,666 -
2025-03-31BUY119,830136.840138.000 137.884USD 16,522,640 -
2025-03-28BUY119,830138.370141.250 140.962USD 16,891,476 -
2025-03-27BUY119,830140.330144.070 143.696USD 17,219,092 -
2025-03-26BUY21,000142.430142.960 142.907USD 3,001,047 -
2025-03-10BUY98,830150.710157.090 156.452USD 15,462,151 -
2025-03-07BUY119,830150.380154.290 153.899USD 18,441,717 -
2025-03-06BUY21,000147.370147.650 147.622USD 3,100,062 -
2025-03-05BUY12,982143.770144.740 144.643USD 1,877,755 -
2025-02-18BUY72,866136.570139.160 138.901USD 10,121,161 -
2025-02-17BUY21,000 137.330* -
2025-02-14BUY72,866137.330141.690 141.254USD 10,292,614 -
2025-02-13BUY93,866138.450139.100 139.035USD 13,050,660 -
2025-02-12BUY93,866133.430137.790 137.354USD 12,892,870 -
2025-02-11BUY93,866139.390141.560 141.343USD 13,267,302 -
2025-02-10BUY93,866142.540142.680 142.666USD 13,391,486 -
2025-02-07BUY93,866141.350143.690 143.456USD 13,465,641 -
2025-02-06BUY93,866142.370145.980 145.619USD 13,668,673 -
2025-02-05BUY93,866145.530147.000 146.853USD 13,784,504 -
2025-02-04BUY93,866142.490143.980 143.831USD 13,500,840 -
2025-02-03BUY93,866142.340144.500 144.284USD 13,543,362 -
2025-01-31BUY93,866143.930147.400 147.053USD 13,803,276 -
2025-01-30BUY93,866146.230147.640 147.499USD 13,845,141 -
2025-01-29BUY93,866144.410147.380 147.083USD 13,806,093 -
2025-01-28BUY93,866145.490148.550 148.244USD 13,915,072 -
2025-01-27BUY93,866148.760149.670 149.579USD 14,040,382 -
2025-01-24BUY93,866146.200146.330 146.317USD 13,734,192 -
2025-01-23BUY93,866143.670143.770 143.760USD 13,494,177 -
2025-01-22BUY93,866142.750143.150 143.110USD 13,433,163 -
2025-01-21BUY93,866140.980142.090 141.979USD 13,327,000 -
2025-01-20BUY93,866 140.550* -
2025-01-17BUY93,866140.550143.500 143.205USD 13,442,081 -
2025-01-16BUY21,000141.230142.390 142.274USD 2,987,754 -
2025-01-15BUY72,866141.000146.150 145.635USD 10,611,840 -
2025-01-14BUY93,866143.060150.220 149.504USD 14,033,343 -
2025-01-13BUY93,866150.180150.480 150.450USD 14,122,139 -
2025-01-10BUY21,000148.820150.200 150.062USD 3,151,302 -
2025-01-09BUY72,866 150.750* -
2025-01-08SELL-93,866150.750152.820 152.613USD -14,325,172 -
2025-01-02BUY93,866150.000154.120 153.708USD 14,427,955 -
2024-12-31BUY93,866152.920153.040 153.028USD 14,364,126 -
2024-12-30BUY93,866150.190151.180 151.081USD 14,181,369 -
2024-12-27BUY93,866151.310151.880 151.823USD 14,251,018 -
2024-12-26BUY93,866149.900150.680 150.602USD 14,136,407 -
2024-12-24BUY93,866149.020149.410 149.371USD 14,020,859 -
2024-12-23BUY93,866149.380149.920 149.866USD 14,067,322 -
2024-12-20BUY93,866146.470147.850 147.712USD 13,865,135 -
2024-12-19BUY93,866147.390148.250 148.164USD 13,907,562 -
2024-12-18BUY93,866146.790151.490 151.020USD 14,175,644 -
2024-12-17BUY93,866150.640154.240 153.880USD 14,444,101 -
2024-12-16BUY93,866150.490152.250 152.074USD 14,274,578 -
2024-12-13BUY93,866150.030154.570 154.116USD 14,466,253 -
2024-12-11BUY93,866157.460158.150 158.081USD 14,838,431 -
2024-12-10BUY93,866156.320158.100 157.922USD 14,823,507 -
2024-12-09BUY93,866156.460160.740 160.312USD 15,047,847 -
2024-12-06BUY93,866157.780160.830 160.525USD 15,067,840 -
2024-12-05BUY93,866159.260162.620 162.284USD 15,232,949 -
2024-12-04BUY93,866160.920161.360 161.316USD 15,142,088 -
2024-12-03BUY93,866160.850163.770 163.478USD 15,345,026 -
2024-12-02BUY93,866164.230165.290 165.184USD 15,505,161 -
2024-11-29BUY93,866160.630161.670 161.566USD 15,165,554 -
2024-11-28BUY93,866 159.830* -
2024-11-27BUY93,866159.830160.730 160.640USD 15,078,634 -
2024-11-26BUY93,866157.690160.000 159.769USD 14,996,877 -
2024-11-25BUY93,866158.710160.630 160.438USD 15,059,674 -
2024-11-22BUY93,866157.900159.720 159.538USD 14,975,194 -
2024-11-21BUY93,866158.010159.100 158.991USD 14,923,850 -
2024-11-20BUY93,866156.000156.180 156.162USD 14,658,302 -
2024-11-19BUY93,866155.430157.900 157.653USD 14,798,256 -
2024-11-18BUY21,000157.940160.110 159.893USD 3,357,753 -
2024-11-12BUY72,866168.280171.610 171.277USD 12,480,270 -
2024-11-11SELL-93,866172.030173.920 173.731USD -16,307,434 -
2024-11-08BUY72,866173.040175.200 174.984USD 12,750,384 -
2024-11-07BUY21,000173.920176.950 176.647USD 3,709,587 -
2024-11-06BUY19,630174.400179.200 178.720USD 3,508,274 -
2024-11-05BUY93,448176.930177.250 177.218USD 16,560,668 -
2024-11-01SELL-174,290173.790175.990 175.770USD -30,634,954 -
2024-10-28SELL-161,684185.010185.600 185.541USD -29,999,012 -
2024-10-24BUY161,684183.860185.720 185.534USD 29,997,879 -
2024-10-23BUY161,684182.980185.820 185.536USD 29,998,204 -
2024-10-18SELL-161,684190.160191.190 191.087USD -30,895,711 -
Market high and low price is on the date.

* (if shown) = market close price used not a projected price. This is used when we do not have market data available to calculate a projection

The likely trade price/value is our estimate on the likely price the trade took place at and is not the actual trade price. The likely LOSS/GAIN is our estimate. Where a profit/loss value is shown in the Likely Trade Value column, this is derived from matching trades between periods eg the most recent previous BUY is matched with the SELL for the same number of shares and the difference between the likely BUY price and likely SELL price is calculated. Where a profit or loss is shown in the Average Price of Previous Trades column, this is dervied using the likely trade price compared to the average of previous trades based on adjusted close

Shorting History of BIIB

DateShorted VolumeShort Exempt VolumeTotal Shares Traded% Shorted
2025-09-19279,6550539,46151.8%
2025-09-18316,85554575,80555.0%
2025-09-17276,54555493,36356.1%
2025-09-16408,065142977,20341.8%
2025-09-15299,741153539,80355.5%
2025-09-12450,1120778,16257.8%
2025-09-11451,9530661,04668.4%
2025-09-10388,46511525,09674.0%
2025-09-09405,8190562,75072.1%
2025-09-08377,871120608,54162.1%
2025-09-05347,099196546,16063.6%
2025-09-04329,1254461,87071.3%
2025-09-03576,8764898,14164.2%
2025-09-02480,74580856,53056.1%
2025-08-29138,9890311,40044.6%
2025-08-28275,50722550,65350.0%
2025-08-27211,0241,215619,32134.1%
2025-08-26207,8735385,08254.0%
2025-08-25179,74874300,16259.9%
2025-08-22211,4255403,65452.4%
2025-08-21206,61927446,19246.3%
2025-08-20229,6250438,53452.4%
2025-08-19257,9790550,69446.8%
2025-08-18270,4250642,14242.1%
2025-08-15304,44229627,20848.5%
2025-08-14194,9950392,78749.6%
2025-08-13238,8070578,13641.3%
2025-08-12141,77818410,20034.6%
2025-08-11155,123637362,67742.8%
2025-08-08179,905201492,68536.5%
2025-08-07163,40490590,86327.7%
2025-08-06233,480133580,09140.2%
2025-08-05183,1741,199457,56540.0%
2025-08-04301,94179709,01542.6%
2025-08-01400,642241,470,58527.2%
2025-07-31638,77841,315,67448.6%
2025-07-30329,46212644,33951.1%
2025-07-29182,531119370,96349.2%
2025-07-28158,19934369,65542.8%
2025-07-25143,55466334,32942.9%
2025-07-24211,426442363,87858.1%
2025-07-23230,8560402,05957.4%
2025-07-22216,4411,176461,13846.9%
2025-07-21263,01632550,04147.8%
2025-07-18262,434316486,09554.0%

The data here is derived from FINRA daily shorted trade data. The Daily Short Sale Volume is the total volume of short trades that meet certain criteria on each trade date by 6 PM ET on the trade date. The detail trade data is derived from the monthly shorted trade data which will differ in aggregate. The detail trade data is derived from the transaction level data and includes ALL trades (including exempt) and the aggregation period extends beyond 6pm.

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Note: All information is provided as is without warranty and should be used for indicative purposes only. You should independently check data before making any investment decision. This information is derived from third party sources and we cannot guarantee that their data is current, accurate, complete, free from defects etc and we therefore accept no responsibility for how it may be used. We accept no liability.

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