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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 2024

Institutional positions in Biogen Inc. as of Mar 31, 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
955
−41 vs. Q4 2023
Shares held
129.7M
+1.13M (+0.9%) vs. Q4 2023
Total value
$28.0B
−$5.30B (−15.9%) vs. Q4 2023
New holders
105
304 more added
Sold out
146
354 more reduced

9 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 2024: 955 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 2024: $28.0B
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 2024

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q4 2023.

Institutions holding BIIB in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Pallas Capital Advisors LLC2,659$573.4K0.02%+2,659New
Auxano Advisors, LLC2,640$569.3K0.17%+444+20.2%Added
QRG Capital Management, Inc.2,634$568.0K0.01%+51+2.0%Added
Eagle Global Advisors LLC2,625$566.0K0.03%00.0%Unchanged
ARGA Investment Management, LP2,622$565.4K0.02%00.0%Unchanged
Basepoint Wealth LLC2,584$557.3K0.42%−95−3.5%Reduced
Mengis Capital Management, Inc.2,580$556.3K0.09%−5,475−68.0%Reduced
Lido Advisors, LLC2,574$555.0K0.00%−241−8.6%Reduced
Pictet & Cie (Europe) SA2,557$551.4K0.01%+161+6.7%Added
Stonegate Investment Group, LLC2,541$547.9K0.02%−197−7.2%Reduced
Savant Capital, LLC2,535$546.6K0.01%+166+7.0%Added
Three Bridge Wealth Advisors, LLC2,529$545.3K0.21%+78+3.2%Added
UBS Oconnor LLC2,500$539.1K0.02%−2,379−48.8%Reduced
NJ State Employees Deferred Compensation Plan2,500$539.1K0.07%00.0%Unchanged
Wetherby Asset Management Inc2,464$531.3K0.03%−44−1.8%Reduced
Focus Financial Network, Inc.2,788$531.2K0.03%+2,788New
TFB Advisors LLC2,450$529.5K0.19%+50+2.1%Added
MMBG Investment Advisors Co.2,450$528.3K0.06%00.0%Unchanged
BancorpSouth Bank2,431$524.2K0.04%+14+0.6%Added
Tevis Investment Management2,426$523.1K0.44%−11−0.5%Reduced
Tritonpoint Wealth, LLC2,321$520.9K0.05%+298+14.7%Added
Oracle Investment Management Inc2,412$520.1K0.42%00.0%Unchanged
STF Management LP2,402$517.9K0.22%−58−2.4%Reduced
Triangle Securities Wealth Management2,400$517.5K0.15%00.0%Unchanged
Vident Advisory, LLC2,392$515.8K0.01%−6,642−73.5%Reduced
Financial Advisory Corp2,380$513.0K0.21%+318+15.4%Added
Investment Management Corp of Ontario2,370$511.0K0.02%−18,187−88.5%Reduced
Sequoia Financial Advisors, LLC2,341$504.8K0.01%−327−12.3%Reduced
Regions Financial Corp2,338$504.1K0.00%+465+24.8%Added
Park Avenue Securities LLC2,336$504.0K0.01%−215−8.4%Reduced
Kennedy Capital Management, Inc.2,320$500.3K0.01%+2,320New
Wedmont Private Capital2,413$498.3K0.04%+446+22.7%Added
Vanguard Capital Wealth Advisors2,300$495.9K0.35%00.0%Unchanged
Fayez Sarofim & Co2,300$495.9K0.00%00.0%Unchanged
Coldstream Capital Management Inc2,262$487.8K0.01%−20−0.9%Reduced
Moran Wealth Management, LLC2,260$487.3K0.02%+158+7.5%Added
Fuller & Thaler Asset Management, Inc.2,190$472.2K0.00%−8−0.4%Reduced
Humankind Investments LLC2,187$471.6K0.12%+247+12.7%Added
Trust Co of Vermont2,185$471.2K0.03%−9−0.4%Reduced
Kennedy Investment Group2,184$470.9K0.25%+3+0.1%Added
Huntington National Bank2,177$469.4K0.00%−126−5.5%Reduced
Navellier & Associates Inc2,164$466.6K0.06%00.0%Unchanged
Westside Investment Management, Inc.2,154$463.7K0.11%+50+2.4%Added
Hancock Whitney Corp2,147$463.0K0.02%+120+5.9%Added
Evercore Wealth Management, LLC2,142$461.9K0.01%−8−0.4%Reduced
Burney Co2,141$461.7K0.02%00.0%Unchanged
Platinum Investment Management Ltd2,140$461.4K0.02%−21,880−91.1%Reduced
Flputnam Investment Management Co2,118$456.7K0.01%+187+9.7%Added
Meiji Yasuda Asset Management Co Ltd.2,101$453.0K0.02%+430+25.7%Added
Wealthspire Advisors, LLC2,081$448.7K0.01%−299−12.6%Reduced
Wrapmanager Inc2,078$448.1K0.12%−162−7.2%Reduced
Berkshire Asset Management LLC2,067$446.0K0.02%−10−0.5%Reduced
Bleakley Financial Group, LLC2,063$444.8K0.01%−228−10.0%Reduced
Simplicity Wealth,LLC2,063$444.8K0.01%+2,063New
Johnson Investment Counsel Inc2,055$443.1K0.00%00.0%Unchanged
Cognios Beta Neutral Large Cap Fund, LP2,052$442.5K0.58%+2,052New
Avestar Capital, LLC2,034$438.6K0.05%−103−4.8%Reduced
Estabrook Capital Management2,033$438.4K0.07%00.0%Unchanged
D.A. Davidson & Co.2,031$437.9K0.00%−54−2.6%Reduced
Alliance Wealth Advisors, LLC2,023$436.1K0.13%+62+3.2%Added
MQS Management LLC2,010$433.4K0.25%+2,010New
Bank Julius Baer & Co. Ltd, Zurich2,008$433.0K0.00%+296+17.3%Added
Heritage Wealth Advisors2,000$431.3K0.02%00.0%Unchanged
Legacy Wealth Asset Management, LLC1,998$430.8K0.12%+77+4.0%Added
HighPoint Advisor Group LLC1,907$430.0K0.03%−10−0.5%Reduced
Signaturefd, LLC1,988$428.7K0.01%−181−8.3%Reduced
Trust Co of Toledo NA1,987$428.5K0.07%−988−33.2%Reduced
Fox Run Management, L.L.C.1,974$425.7K0.09%+1,974New
PAX Financial Group, LLC1,953$421.1K0.08%+156+8.7%Added
Proathlete Wealth Management LLC1,913$412.5K0.22%−11−0.6%Reduced
Eqis Capital Management, Inc.1,908$411.4K0.03%−35−1.8%Reduced
Westpac Banking Corp1,906$411.0K0.03%−19−1.0%Reduced
Acadian Asset Management LLC1,889$407.0K0.00%−38−2.0%Reduced
Peapack Gladstone Financial Corp1,884$406.0K0.01%−929−33.0%Reduced
Capital Investment Advisors, LLC1,876$404.5K0.01%−126−6.3%Reduced
Fox Hill Wealth Management1,876$404.5K0.27%−28−1.5%Reduced
Steward Partners Investment Advisory, LLC1,871$403.4K0.00%+71+3.9%Added
Forbes J M & Co LLP1,869$403.0K0.04%−39−2.0%Reduced
Morningstar Investment Management LLC1,865$402.0K0.04%00.0%Unchanged
PFG Investments, LLC1,854$399.8K0.02%+1,854New
Rock Point Advisors, LLC1,840$396.8K0.12%00.0%Unchanged
Prelude Capital Management, LLC1,838$396.3K0.03%+38+2.1%Added
Kovitz Investment Group Partners, LLC1,827$394.0K0.01%+1,827New
Parallel Advisors, LLC1,826$393.7K0.01%−75−3.9%Reduced
Mission Wealth Management, LP1,826$393.7K0.01%+66+3.8%Added
Cary Street Partner Investment Advisory LLC1,825$393.5K0.02%−8−0.4%Reduced
Connectus Wealth, LLC1,814$391.2K0.01%00.0%Unchanged
Trail Ridge Investment Advisors, LLC1,807$389.6K0.22%−1,192−39.7%Reduced
Axq Capital, LP1,800$388.1K0.09%−1,100−37.9%Reduced
Prospera Financial Services Inc1,784$384.6K0.01%−607−25.4%Reduced
Arden Trust Co1,781$384.0K0.05%−155−8.0%Reduced
Central Bank & Trust Co1,757$378.9K0.05%−69−3.8%Reduced
Veriti Management LLC1,740$375.2K0.03%−101−5.5%Reduced
Fullerton Fund Management Co Ltd.1,734$373.9K0.02%+1,734New
Armstrong, Fleming & Moore, Inc1,733$373.8K0.26%00.0%Unchanged
Wedbush Securities Inc1,730$373.0K0.01%+185+12.0%Added
Syon Capital LLC1,727$372.4K0.04%+153+9.7%Added
Intrust Bank NA1,726$372.2K0.04%−232−11.8%Reduced
Seven Eight Capital, LP1,724$371.7K0.04%+1,724New
Eudaimonia Partners, LLC1,722$371.3K0.09%00.0%Unchanged