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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, Q1 2023

Institutional positions in Biogen Inc. as of Mar 31, 2023. 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
1,004
−11 vs. Q4 2022
Shares held
127.9M
+3.08M (+2.5%) vs. Q4 2022
Total value
$35.0B
+$421.8M (+1.2%) vs. Q4 2022
New holders
88
342 more added
Sold out
99
365 more reduced

18 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 holdersQ1 2023: 1,004 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 heldQ1 2023: $35.0B
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, Q1 2023

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q4 2022.

Institutions holding BIIB in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Shay Capital LLC1,756$488.2K0.20%+1,756New
Cigna Investments Inc1,756$488.0K0.10%−43−2.4%Reduced
Fund Management at Engine No. 1 LLC1,746$485.4K0.10%+161+10.2%Added
FDx Advisors, Inc.1,732$480.0K0.02%00.0%Unchanged
Chicago Partners Investment Group LLC1,632$478.2K0.03%−155−8.7%Reduced
Heron Financial Group, LLC1,710$475.4K0.26%+11+0.6%Added
Burney Co1,696$471.5K0.02%−535−24.0%Reduced
Mirova1,691$470.1K0.07%−1,971−53.8%Reduced
IFG Advisory, LLC1,686$468.8K0.04%−38−2.2%Reduced
Levin Capital Strategies, L.P.1,668$463.8K0.06%−146−8.0%Reduced
Pitcairn Co1,668$463.8K0.04%−30−1.8%Reduced
Desjardins Global Asset Management Inc.1,666$463.0K0.06%+476+40.0%Added
Trust Asset Management LLC1,662$462.1K0.05%−4−0.2%Reduced
STF Management LP1,653$459.6K0.31%+693+72.2%Added
Regal Investment Advisors LLC1,649$458.5K0.04%+77+4.9%Added
Systematic Financial Management LP1,640$456.0K0.01%+40+2.5%Added
Ergoteles LLC1,632$453.7K0.02%−10,087−86.1%Reduced
Ameritas Advisory Services, LLC1,577$453.6K0.02%−9−0.6%Reduced
ARS Wealth Advisors Group, LLC1,610$447.6K0.08%−210−11.5%Reduced
Greenleaf Trust1,600$444.8K0.01%−244−13.2%Reduced
Verdence Capital Advisors LLC1,597$444.0K0.05%−49−3.0%Reduced
Mission Wealth Management, LP1,595$443.4K0.02%+26+1.7%Added
PAX Financial Group, LLC1,593$442.9K0.11%−41−2.5%Reduced
Transcend Wealth Collective, LLC1,588$441.5K0.05%−1,657−51.1%Reduced
Western Wealth Management, LLC1,573$437.3K0.04%−5−0.3%Reduced
Klingenstein Fields & Co LP1,570$436.5K0.02%00.0%Unchanged
Tru Independence Asset Management 2, LLC1,555$432.3K0.43%+1,555New
Snowden Capital Advisors LLC1,552$431.5K0.02%+71+4.8%Added
First Capital Advisors Group, LLC.1,551$431.2K0.28%−10−0.6%Reduced
Flagship Harbor Advisors, LLC1,549$430.7K0.04%+1,549New
Alta Wealth Advisors LLC1,548$430.4K0.27%+1,548New
Cornell Pochily Investment Advisors, Inc.1,546$429.8K0.18%+10+0.7%Added
Echo Street Capital Management LLC1,540$428.2K0.00%−3,406−68.9%Reduced
Plancorp, LLC1,536$427.1K0.02%−2−0.1%Reduced
Parkside Financial Bank & Trust1,504$418.2K0.11%+95+6.7%Added
Supplemental Annuity Collective Trust of NJ1,500$417.0K0.16%00.0%Unchanged
Moore Capital Management, LP1,500$417.0K0.01%+1,500New
Wesbanco Bank Inc1,488$414.0K0.02%00.0%Unchanged
Sentry LLC1,473$409.5K0.10%+1,473New
Analyst IMS Investment Management Services Ltd.1,488$409.0K0.03%00.0%Unchanged
Intercontinental Wealth Advisors, LLC1,463$406.8K0.10%+6+0.4%Added
Jacobi Capital Management LLC1,457$405.1K0.05%00.0%Unchanged
Clearstead Advisors, LLC1,451$403.4K0.03%−2−0.1%Reduced
Moody National Bank Trust Division1,431$397.9K0.03%00.0%Unchanged
NewEdge Wealth, LLC1,428$397.0K0.02%−457−24.2%Reduced
Ballentine Partners, LLC1,421$395.1K0.01%−60−4.1%Reduced
We Are One Seven, LLC1,402$389.8K0.02%+312+28.6%Added
HB Wealth Management, LLC1,385$385.1K0.01%+154+12.5%Added
HighTower Trust Services, LTA1,500$384.8K0.04%00.0%Unchanged
Williams Jones Wealth Management, LLC.1,381$384.0K0.01%−29−2.1%Reduced
David Loasby1,334$382.6K0.04%+181+15.7%Added
Parkwood LLC1,370$381.0K0.07%−1,047−43.3%Reduced
Lavaca Capital LLC1,362$379.0K0.09%−114−7.7%Reduced
Grandfield & Dodd, LLC1,359$377.8K0.03%+1,359New
Meiji Yasuda Life Insurance Co1,351$376.0K0.01%00.0%Unchanged
Cresset Asset Management, LLC1,350$375.3K0.01%−1,231−47.7%Reduced
AE Wealth Management LLC1,347$374.5K0.00%+493+57.7%Added
Uncommon Cents Investing LLC1,340$372.6K0.14%+395+41.8%Added
DGS Capital Management, LLC1,336$371.4K0.21%−352−20.9%Reduced
Pathstone Family Office, LLC1,318$366.3K0.01%−1,604−54.9%Reduced
Asahi Life Asset Management Co., Ltd.1,310$364.2K0.12%−15−1.1%Reduced
Empirical Asset Management, LLC1,309$363.9K0.35%−1,542−54.1%Reduced
Clarius Group, LLC1,301$361.7K0.03%−101−7.2%Reduced
Royal Capital Wealth Management, LLC1,295$360.0K0.36%−16−1.2%Reduced
Boltwood Capital Management1,288$358.1K0.13%−2−0.2%Reduced
Platform Technology Partners1,284$357.0K0.18%−17−1.3%Reduced
Ferguson Wellman Capital Management, Inc1,275$354.5K0.01%−12−0.9%Reduced
Beacon Pointe Advisors, LLC1,268$352.6K0.01%−271−17.6%Reduced
Nwam LLC1,265$351.7K0.04%+5+0.4%Added
Nicolet Bankshares Inc2,531$349.6K0.11%+8+0.3%Added
Pinkerton Retirement Specialists, LLC1,239$344.5K0.06%−46−3.6%Reduced
Marcum Wealth, LLC1,238$344.2K0.04%−11−0.9%Reduced
Abn Amro Investment Solutions1,236$343.6K0.01%+1,236New
Alps Advisors Inc1,230$342.0K0.00%+1,230New
Waldron Private Wealth LLC1,230$342.0K0.02%+88+7.7%Added
GW Henssler & Associates Ltd1,226$340.9K0.02%+10+0.8%Added
Conning Inc.1,198$333.1K0.01%−10−0.8%Reduced
FineMark National Bank & Trust1,195$332.2K0.01%−986−45.2%Reduced
V-Square Quantitative Management LLC1,185$329.5K0.30%+1,185New
Savant Capital, LLC1,183$328.9K0.01%+152+14.7%Added
Zhang Financial LLC1,178$327.5K0.04%+77+7.0%Added
Bank Julius Baer & Co. Ltd, Zurich1,177$327.0K0.00%−998−45.9%Reduced
Westwood Wealth Management1,175$326.7K0.30%−135−10.3%Reduced
Bell Bank1,174$326.4K0.03%+42+3.7%Added
Valeo Financial Advisors, LLC1,166$324.2K0.02%+128+12.3%Added
Belpointe Asset Management LLC1,160$322.5K0.02%−2,137−64.8%Reduced
Reuter James Wealth Management, LLC1,152$320.3K0.22%+1+0.1%Added
Marex Group plc1,152$320.3K0.04%+1,152New
McIntyre Freedman & Flynn Investment Advisers Inc1,151$320.0K0.27%−252−18.0%Reduced
Centennial Bank1,150$319.7K0.21%00.0%Unchanged
Tradewinds, LLC.1,146$318.6K0.19%−12,612−91.7%Reduced
Balentine LLC1,145$318.3K0.01%+141+14.0%Added
Aviance Capital Partners, LLC1,135$315.6K0.07%00.0%Unchanged
Choate Investment Advisors1,133$315.0K0.02%00.0%Unchanged
Perpetual Ltd1,129$313.9K0.00%+1,129New
XR Securities LLC1,122$311.9K0.44%−3,241−74.3%Reduced
Wolverine Trading, LLC1,129$311.0K0.01%−10,579−90.4%Reduced
Naples Global Advisors, LLC1,112$309.2K0.04%00.0%Unchanged
Diversified Trust Co1,103$306.7K0.01%−1,105−50.0%Reduced
Cullinan Associates Inc1,100$305.8K0.02%00.0%Unchanged