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Biogen (BIIB) Institutional Ownership

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$135.33 +2.31 (+1.74%)
Closing price 07/10/2025 04:00 PM Eastern
Extended Trading
$134.48 -0.86 (-0.63%)
As of 04:02 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for Biogen (NASDAQ:BIIB)

Current
Institutional Ownership
Percentage
87.93%
Number of
Institutional Buyers
(last 12 months)
566
Total
Institutional Inflows
(last 12 months)
$3.69B
Number of
Institutional Sellers
(last 12 months)
402
Total
Institutional Outflows
(last 12 months)
$2.69B
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BIIB Institutional Buying and Selling by Quarter

Biogen Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
7/10/2025NorthCrest Asset Manangement LLC32,669$4.34M0.1%-5.4%0.022%
7/10/2025Wealth Enhancement Advisory Services LLC27,867$3.70M0.0%+46.3%0.019%
7/10/2025Mn Services Vermogensbeheer B.V.26,600$3.34M0.0%N/A0.018%
7/10/2025Wedmont Private Capital2,190$291K0.0%+3.8%0.001%
7/10/2025Swedbank AB213,719$26.84M0.0%-2.0%0.146%
7/9/2025Sivia Capital Partners LLC1,717$216K0.1%N/A0.001%
7/9/2025Pallas Capital Advisors LLC12,365$1.55M0.1%-7.3%0.008%
7/9/2025Gateway Investment Advisers LLC40,475$5.08M0.1%-1.9%0.028%
7/9/2025Czech National Bank35,816$4.50M0.0%+6.5%0.024%
7/9/2025MassMutual Private Wealth & Trust FSB617$77K0.0%+21.0%0.000%
7/8/2025 Quintet Private Bank Europe S.A.255$32K0.0%-72.5%0.000%
7/8/2025 Parallel Advisors LLC4,354$547K0.0%+170.4%0.003%
7/7/2025 Investors Research Corp1,850$232K0.0%N/A0.001%
6/26/2025AG2R LA Mondiale Gestion D Actifs7,641$992K0.1%N/A0.005%
6/23/2025Swedbank AB218,039$29.84M0.0%+18.5%0.149%
6/18/2025Voya Investment Management LLC70,069$9.59M0.0%-9.7%0.048%
5/28/2025Strs Ohio34,000$4.65M0.0%N/A0.023%
5/27/2025Jacobi Capital Management LLC6,011$823K0.1%+52.3%0.004%
5/23/2025Twin Lakes Capital Management LLC250$34K0.0%-51.1%0.000%
5/21/2025Acadian Asset Management LLC17,557$2.40M0.0%+448.7%0.012%
5/21/2025IFM Investors Pty Ltd33,729$4.62M0.0%+0.9%0.023%
5/20/2025Focus Partners Wealth10,173$1.39M0.0%+172.2%0.007%
5/19/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC1,510,386$206.68M0.1%-1.5%1.031%
5/16/2025Woodline Partners LP125,162$17.13M0.1%+42.0%0.085%
5/16/2025Empowered Funds LLC7,054$965K0.0%+64.9%0.005%
5/16/2025MBB Public Markets I LLC2,150$294K0.0%N/A0.001%
5/16/2025United Services Automobile Association3,604$499K0.0%N/A0.002%
5/16/2025Meiji Yasuda Asset Management Co Ltd.2,163$296K0.0%+10.4%0.001%
5/16/2025Fred Alger Management LLC12,159$1.66M0.0%N/A0.008%
5/16/2025Goldman Sachs Group Inc.604,697$82.75M0.0%-21.5%0.413%
5/16/2025Jones Financial Companies Lllp3,569$488K0.0%-28.1%0.002%
5/16/2025Teza Capital Management LLC2,551$349K0.2%N/A0.002%
5/16/2025UniSuper Management Pty Ltd17,671$2.42M0.0%+7.2%0.012%
5/16/2025Richwood Investment Advisors LLC2,783$381K0.3%-11.1%0.002%
5/16/2025Nissay Asset Management Corp Japan ADV47,204$6.46M0.0%+7.6%0.032%
5/16/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.144,593$19.79M0.0%+23.3%0.099%
5/16/2025Integrated Wealth Concepts LLC2,080$285K0.0%-53.6%0.001%
5/16/2025Jacobs Levy Equity Management Inc.61,393$8.40M0.0%N/A0.042%
5/16/2025Gotham Asset Management LLC99,228$13.58M0.1%+10.7%0.068%
5/16/2025Hancock Whitney Corp1,680$230K0.0%-7.2%0.001%
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5/16/2025Cinctive Capital Management LP7,894$1.08M0.1%N/A0.005%
5/16/2025Cutter Capital Management LP113,500$15.53M6.8%N/A0.077%
5/16/2025Alliancebernstein L.P.229,054$31.34M0.0%+26.7%0.156%
5/16/2025Banque Transatlantique SA3,388$428K0.0%N/A0.002%
5/16/2025AQR Capital Management LLC1,368,842$187.26M0.2%+153.6%0.934%
5/16/2025Advisors Asset Management Inc.6,384$874K0.0%-3.6%0.004%
5/16/2025Amundi1,315,947$172.01M0.1%+8.1%0.898%
5/16/2025Adage Capital Partners GP L.L.C.70,767$9.68M0.0%N/A0.048%
5/16/2025ADAR1 Capital Management LLC4,500$616K0.1%+47.8%0.003%
5/15/2025Federation des caisses Desjardins du Quebec10,743$1.47M0.0%-5.7%0.007%
5/15/2025Palo Alto Investors LP204,923$28.04M5.3%+7.8%0.140%
5/15/2025Focus Partners Advisor Solutions LLC5,301$725K0.0%N/A0.004%
5/15/2025Flputnam Investment Management Co.2,080$285K0.0%+10.0%0.001%
5/15/2025Point72 Europe London LLP82,476$11.29M0.8%N/A0.056%
5/15/2025Royal Bank of Canada330,562$45.23M0.0%+34.7%0.226%
5/15/2025Quarry LP3,755$514K0.1%+25.0%0.003%
5/15/2025Baird Financial Group Inc.9,683$1.33M0.0%+11.8%0.007%
5/15/2025Vident Advisory LLC6,830$935K0.0%+392.8%0.005%
5/15/2025Evergreen Capital Management LLC3,042$416K0.0%N/A0.002%
5/15/2025The Manufacturers Life Insurance Company 119,256$16.32M0.0%-3.6%0.081%
5/15/2025Magnetar Financial LLC7,719$1.06M0.0%+311.2%0.005%
5/15/2025Canada Pension Plan Investment Board230,804$31.58M0.0%-11.6%0.158%
5/15/2025Trexquant Investment LP44,488$6.09M0.1%+90.6%0.030%
5/15/2025Landscape Capital Management L.L.C.2,403$329K0.0%N/A0.002%
5/15/2025Lansforsakringar Fondforvaltning AB publ 48,132$6.59M0.0%-0.3%0.033%
5/15/2025OMERS ADMINISTRATION Corp5,180$709K0.0%-14.3%0.004%
5/15/2025BNP Paribas Financial Markets366,181$50.11M0.0%-3.1%0.250%
5/14/2025B. Metzler seel. Sohn & Co. AG12,482$1.71M0.0%+23.2%0.009%
5/14/2025Ieq Capital LLC69,729$9.54M0.1%+17.1%0.048%
5/14/2025Nicolet Bankshares Inc.1,816$249K0.0%-7.6%0.001%
5/14/2025Rafferty Asset Management LLC180,775$24.74M0.1%-4.6%0.123%
5/14/2025Altrinsic Global Advisors LLC37,698$5.16M0.3%-5.1%0.026%
5/14/2025FORA Capital LLC24,991$3.42M0.3%+28.3%0.017%
5/14/2025Causeway Capital Management LLC433,517$59.32M1.2%+53.9%0.296%
5/14/2025Caisse DE Depot ET Placement DU Quebec81,900$11.21M0.0%N/A0.056%
5/14/2025Corebridge Financial Inc.44,254$6.06M0.0%-2.7%0.030%
5/14/2025CSM Advisors LLC27,859$3.81M0.2%-1.1%0.019%
5/14/2025Comerica Bank22,073$3.02M0.0%-34.5%0.015%
5/14/2025Freedom Investment Management Inc.2,863$392K0.0%+41.5%0.002%
5/14/2025MetLife Investment Management LLC38,002$5.20M0.0%-1.5%0.026%
5/14/2025Synovus Financial Corp17,928$2.45M0.0%+19.9%0.012%
5/14/2025Campbell & CO Investment Adviser LLC11,573$1.58M0.1%-62.1%0.008%
5/14/2025Jump Financial LLC73,129$10.01M0.1%-22.7%0.050%
5/14/2025SVB Wealth LLC855$117K0.0%-59.0%0.001%
5/14/2025APG Asset Management N.V.96,432$12.22M0.0%-8.5%0.066%
5/14/2025Smartleaf Asset Management LLC327$45K0.0%-30.6%0.000%
5/14/2025Northwestern Mutual Wealth Management Co.5,532$757K0.0%+3.3%0.004%
5/14/2025AlphaQuest LLC8,327$1.14M0.1%-60.0%0.006%
5/14/2025Allstate Corp4,589$628K0.0%+6.8%0.003%
5/14/2025Norinchukin Bank The11,574$1.58M0.0%+44.1%0.008%
This Signal Only Flashes Once Every 4 Years – And It Just Triggered (Ad)

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5/14/2025CW Advisors LLC3,033$416K0.0%N/A0.002%
5/14/2025Kaufman Rossin Wealth LLC1,690$231K0.2%N/A0.001%
5/14/2025Price T Rowe Associates Inc. MD1,151,192$157.53M0.0%-40.5%0.786%
5/14/2025Candriam S.C.A.186,780$25.56M0.2%-7.5%0.127%
5/14/2025Stoneridge Investment Partners LLC14,599$2.00M1.7%-56.8%0.010%
5/14/2025T. Rowe Price Investment Management Inc.2,660,290$364.04M0.2%-14.2%1.816%
5/14/2025Level Four Advisory Services LLC16,154$2.21M0.1%+116.3%0.011%
5/14/2025Erste Asset Management GmbH50,956$7.05M0.1%-14.1%0.035%
5/14/2025Humankind Investments LLC3,497$479K0.1%+16.2%0.002%
5/14/2025EntryPoint Capital LLC3,179$435K0.2%+94.0%0.002%
(Data available from 1/1/2016 forward)

BIIB Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of BIIB shares?

During the previous two years, 1,037 institutional investors and hedge funds held shares of Biogen. The most heavily invested institutionals were BlackRock Inc. ($4.01B), Vanguard Group Inc. ($2.33B), Primecap Management Co. CA ($2.18B), State Street Corp ($1.42B), International Assets Investment Management LLC ($695.87M), Wellington Management Group LLP ($639.38M), and Geode Capital Management LLC ($563.71M).Learn more on Biogen's institutional investors.

What percentage of Biogen's stock is owned by institutional investors?

87.93% of Biogen's stock is owned by institutional investors. Learn more on BIIB's institutional investor holdings.

Which institutional investors have been buying Biogen's stock?

Of the 851 institutional investors that purchased Biogen's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Vanguard Group Inc. ($4.74M), Norges Bank ($3.79M), Pacer Advisors Inc. ($2.66M), Bank Julius Baer & Co. Ltd Zurich ($2.08M), Van ECK Associates Corp ($1.89M), AQR Capital Management LLC ($1.34M), and International Assets Investment Management LLC ($835.24K).

How much institutional buying is happening at Biogen?

Institutional investors have bought a total of 23,559,768 shares in the last 24 months. This purchase volume represents approximately $3.69B in transactions.

Which of Biogen's major shareholders have been selling company stock?

Of the 400 institutional investors that sold Biogen's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Van ECK Associates Corp ($1.64M), T. Rowe Price Investment Management Inc. ($1.60M), Pacer Advisors Inc. ($1.31M), Ameriprise Financial Inc. ($1.01M), Price T Rowe Associates Inc. MD ($782.52K), Clearbridge Investments LLC ($693.24K), and Sarissa Capital Management LP ($616.05K).

How much institutional selling is happening at Biogen?

Institutional investors have sold a total of 16,356,797 shares in the last 24 months. This volume of shares sold represents approximately $2.69B in transactions.


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This page (NASDAQ:BIIB) was last updated on 7/11/2025 by MarketBeat.com Staff
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