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Biogen Inc.

BIIB
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0000875045

In the last 90 days, Biogen Inc. insiders filed 0 open-market purchases and 1 sale; 1,047 institutions reported holding it in 13F filings for Q2 2026, worth $30.7B in total; no superinvestor holds it.

13F holders, Q3 2024

Institutional positions in Biogen Inc. as of Sep 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
921
−17 vs. Q2 2024
Shares held
129.8M
+15.4M (+13.4%) vs. Q2 2024
Total value
$25.1B
−$1.44B (−5.4%) vs. Q2 2024
New holders
101
269 more added
Sold out
118
378 more reduced

9 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting BIIB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2024: 921 institutions
Q1 2021: 1,096 institutionsQ2 2021: 1,107 institutionsQ3 2021: 1,044 institutionsQ4 2021: 1,014 institutionsQ1 2022: 954 institutionsQ2 2022: 930 institutionsQ3 2022: 987 institutionsQ4 2022: 1,033 institutionsQ1 2023: 1,004 institutionsQ2 2023: 1,009 institutionsQ3 2023: 966 institutionsQ4 2023: 1,005 institutionsQ1 2024: 955 institutionsQ2 2024: 947 institutionsQ3 2024: 921 institutionsQ4 2024: 879 institutionsQ1 2025: 882 institutionsQ2 2025: 867 institutionsQ3 2025: 909 institutionsQ4 2025: 1,002 institutionsQ1 2026: 1,015 institutionsQ2 2026: 1,047 institutions
Value heldQ3 2024: $25.1B
Q1 2021: $35.7BQ2 2021: $43.6BQ3 2021: $35.1BQ4 2021: $29.7BQ1 2022: $25.9BQ2 2022: $25.0BQ3 2022: $33.0BQ4 2022: $34.6BQ1 2023: $35.0BQ2 2023: $36.1BQ3 2023: $32.2BQ4 2023: $33.3BQ1 2024: $28.0BQ2 2024: $29.9BQ3 2024: $25.1BQ4 2024: $20.2BQ1 2025: $17.7BQ2 2025: $16.3BQ3 2025: $18.4BQ4 2025: $24.6BQ1 2026: $24.7BQ2 2026: $30.7B
Institutions holding BIIB and their total value by quarter
QuarterHoldersValue
Q2 20261,047$30.7B
Q1 20261,015$24.7B
Q4 20251,002$24.6B
Q3 2025909$18.4B
Q2 2025867$16.3B
Q1 2025882$17.7B
Q4 2024879$20.2B
Q3 2024921$25.1B
Q2 2024947$29.9B
Q1 2024955$28.0B
Q4 20231,005$33.3B
Q3 2023966$32.2B
Q2 20231,009$36.1B
Q1 20231,004$35.0B
Q4 20221,033$34.6B
Q3 2022987$33.0B
Q2 2022930$25.0B
Q1 2022954$25.9B
Q4 20211,014$29.7B
Q3 20211,044$35.1B
Q2 20211,107$43.6B
Q1 20211,096$35.7B

Institutions, Q3 2024

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q2 2024.

Institutions holding BIIB in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Kentucky Retirement Systems Insurance Trust Fund4,313$836.0K0.06%−383−8.2%Reduced
Hills Bank & Trust Co4,363$845.7K0.06%+13+0.3%Added
Gsa Capital Partners LLP4,407$854.0K0.06%+1,359+44.6%Added
Annis Gardner Whiting Capital Advisors, LLC4,436$859.9K0.24%−595−11.8%Reduced
Howard Capital Management Inc.4,449$862.4K0.01%+4,449New
Diversify Advisory Services, LLC4,719$877.3K0.05%+4,719New
Ramsay, Stattman, Vela & Price, Inc.4,545$881.0K0.16%−3,000−39.8%Reduced
Mangrove Partners4,582$888.2K0.09%+4,582New
Lindenwold Advisors4,605$892.6K0.45%+55+1.2%Added
Northwestern Mutual Investment Management Company, LLC4,616$894.8K0.02%−18−0.4%Reduced
Missouri Trust & Investment Co4,642$899.8K0.31%+760+19.6%Added
Provident Co of the Employees of the Hebrew University LTD4,643$900.0K1.01%00.0%Unchanged
Walleye Capital LLC4,653$901.9K0.01%−42,642−90.2%Reduced
Systematic Financial Management LP4,670$905.2K0.02%00.0%Unchanged
Fuller & Thaler Asset Management, Inc.4,735$917.8K0.00%+805+20.5%Added
Lifeworks Advisors, LLC4,775$925.5K0.18%−1,574−24.8%Reduced
Investment Management Corp of Ontario4,870$944.0K0.02%+1,600+48.9%Added
Mediolanum International Funds Ltd4,893$950.9K0.01%−241−4.7%Reduced
Wealth Enhancement Advisory Services, LLC4,939$957.3K0.00%−1,183−19.3%Reduced
Brown Brothers Harriman & Co4,971$963.6K0.01%−354−6.6%Reduced
Exane Asset Management5,000$969.2K0.78%+5,000New
Omers Administration Corp5,029$974.8K0.01%00.0%Unchanged
Spears Abacus Advisors LLC5,055$979.9K0.02%00.0%Unchanged
Empirical Finance, LLC5,070$982.8K0.06%+101+2.0%Added
Unison Advisors LLC5,078$984.3K0.12%00.0%Unchanged
Prime Capital Investment Advisors, LLC5,079$984.5K0.01%−5,201−50.6%Reduced
Machina Capital S.A.S.5,144$997.1K0.40%+5,144New
Banque Cantonale Vaudoise5,259$1.02M0.04%−2,059−28.1%Reduced
Tobam5,345$1.04M0.19%00.0%Unchanged
Stephens Inc5,415$1.05M0.01%−2,028−27.2%Reduced
Hennion & Walsh Asset Management, Inc.5,513$1.07M0.05%−1,277−18.8%Reduced
Sterling Capital Management LLC5,565$1.08M0.01%+5,565New
E. Ohman J:or Asset Management AB5,599$1.09M0.03%−500−8.2%Reduced
Mercer Global Advisors Inc5,696$1.09M0.00%−630−10.0%Reduced
North Star Investment Management Corp.5,622$1.09M0.08%−12−0.2%Reduced
Gifford Fong Associates5,750$1.11M0.28%00.0%Unchanged
ISAM Funds (UK) Ltd5,756$1.12M0.63%+5,756New
Pensionmark Financial Group, LLC5,766$1.12M0.04%+5,766New
Motley Fool Asset Management LLC5,861$1.12M0.07%+204+3.6%Added
Ci Investments Inc.5,854$1.14M0.00%−389−6.2%Reduced
Ameritas Investment Partners, Inc.5,915$1.15M0.04%+155+2.7%Added
Tower Research Capital LLC (TRC)5,956$1.15M0.03%−9,512−61.5%Reduced
Premier Path Wealth Partners, LLC6,008$1.16M0.18%+341+6.0%Added
Sectoral Asset Management Inc6,027$1.17M0.69%−110−1.8%Reduced
Oppenheimer & Co Inc6,050$1.17M0.02%−1,526−20.1%Reduced
Pinnacle Associates Ltd4,557$1.18M0.02%−73−1.6%Reduced
Brinker Capital Investments, LLC6,092$1.18M0.01%−1,237−16.9%Reduced
Orion Portfolio Solutions, LLC6,092$1.18M0.01%−1,237−16.9%Reduced
Loring Wolcott & Coolidge Fiduciary Advisors LLP6,479$1.19M0.01%−26−0.4%Reduced
AXS Investments LLC6,185$1.20M0.32%+6,185New
Hussman Strategic Advisors, Inc.6,300$1.22M0.30%00.0%Unchanged
Centiva Capital, LP6,345$1.23M0.06%+4,108+183.6%Added
Public Sector Pension Investment Board6,361$1.23M0.01%+700+12.4%Added
Captrust Financial Advisors6,494$1.26M0.00%−815−11.2%Reduced
PKO Investment Management Joint-Stock Co6,500$1.26M0.16%+3,000+85.7%Added
Allspring Global Investments Holdings, LLC6,660$1.29M0.00%−859−11.4%Reduced
Northwestern Mutual Wealth Management Co6,669$1.29M0.00%−640−8.8%Reduced
Inceptionr LLC6,694$1.30M0.32%+3,142+88.5%Added
Advisors Asset Management, Inc.6,696$1.30M0.02%+147+2.2%Added
Harvest Fund Management Co., Ltd6,710$1.30M0.08%+2,304+52.3%Added
Crestline Management, LP6,750$1.31M0.07%+6,750New
Mogy Joel R Investment Counsel Inc6,860$1.33M0.08%00.0%Unchanged
Cresset Asset Management, LLC6,874$1.33M0.01%−3,274−32.3%Reduced
XTX Topco Ltd6,955$1.35M0.10%+6,955New
Crossmark Global Holdings, Inc.7,057$1.37M0.02%−394−5.3%Reduced
Cornercap Investment Counsel Inc7,065$1.37M0.41%+7,065New
New Mexico Educational Retirement Board7,124$1.38M0.05%−200−2.7%Reduced
Oddo BHF Asset Management SAS7,136$1.38M0.07%+7,136New
BI Asset Management Fondsmaeglerselskab A/S7,171$1.39M0.02%+1,277+21.7%Added
Y-Intercept (Hong Kong) Ltd7,178$1.39M0.09%+4,238+144.1%Added
Schonfeld Strategic Advisors LLC7,211$1.40M0.01%+341+5.0%Added
Norinchukin Bank, The7,321$1.42M0.03%+1,023+16.2%Added
B. Metzler seel. Sohn & Co. AG7,361$1.43M0.01%+1,500+25.6%Added
B. Metzler seel. Sohn & Co. Holding AG7,361$1.43M0.01%+7,361New
Northwest & Ethical Investments L.P.7,428$1.44M0.04%−1,139−13.3%Reduced
Linden Thomas Advisory Services, LLC7,482$1.45M0.20%−4−0.1%Reduced
Farther Finance Advisors, LLC7,656$1.48M0.06%+160+2.1%Added
Keybank National Association7,739$1.50M0.01%−182−2.3%Reduced
Cerity Partners LLC7,785$1.51M0.00%+2,030+35.3%Added
Whittier Trust Co of Nevada Inc7,909$1.53M0.04%−67−0.8%Reduced
Fox Run Management, L.L.C.7,922$1.54M0.34%+7,922New
Ethic Inc.7,169$1.55M0.04%−691−8.8%Reduced
Securian Asset Management, Inc7,996$1.55M0.04%−300−3.6%Reduced
E Fund Management Co., Ltd.8,061$1.56M0.08%+994+14.1%Added
LMR Partners LLP8,121$1.57M0.03%+1,661+25.7%Added
Wolverine Trading, LLC8,121$1.58M0.04%−2,314−22.2%Reduced
Independent Advisor Alliance8,289$1.61M0.06%−1,843−18.2%Reduced
Maryland State Retirement & Pension System8,304$1.61M0.03%−2,907−25.9%Reduced
Metis Global Partners, LLC8,374$1.62M0.05%+371+4.6%Added
Twin Capital Management Inc8,450$1.64M0.18%−68−0.8%Reduced
First Foundation Advisors8,552$1.66M0.06%+8,552New
Swiss Life Asset Management Ltd8,590$1.66M0.02%−2,455−22.2%Reduced
M&G Plc8,593$1.67M0.01%00.0%Unchanged
Court Place Advisors, LLC8,601$1.67M0.49%−572−6.2%Reduced
Thor Investment Management Inc8,710$1.69M1.23%+673+8.4%Added
Toroso Investments, LLC9,012$1.75M0.02%+1,082+13.6%Added
Money Concepts Capital Corp9,115$1.77M0.13%+231+2.6%Added
Hartford Investment Management Co9,132$1.77M0.06%−176−1.9%Reduced
Dohj, LLC9,490$1.79M0.42%+1,558+19.6%Added
Level Four Advisory Services, LLC10,297$1.79M0.08%−125−1.2%Reduced