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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, Q4 2021

Institutional positions in Biogen Inc. as of Dec 31, 2021. 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
1,014
−7 vs. Q3 2021
Shares held
123.9M
+172.9K (+0.1%) vs. Q3 2021
Total value
$29.7B
−$5.31B (−15.2%) vs. Q3 2021
New holders
146
295 more added
Sold out
153
395 more reduced

23 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 holdersQ4 2021: 1,014 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 heldQ4 2021: $29.7B
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, Q4 2021

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q3 2021.

Institutions holding BIIB in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Mission Wealth Management, LP1,796$431.0K0.02%+1,796New
Wellington Shields Capital Management, LLC1,804$433.0K0.06%00.0%Unchanged
Tokio Marine Asset Management Co Ltd1,805$433.0K0.03%+267+17.4%Added
HBK Sorce Advisory LLC1,813$435.0K0.02%−282−13.5%Reduced
Cetera Advisor Networks LLC1,822$437.0K0.01%−1,413−43.7%Reduced
Gyon Technologies Capital Management, LP1,837$441.0K0.08%+1,837New
Greenleaf Trust1,887$453.0K0.01%−1,514−44.5%Reduced
Delphia (USA) Inc.1,922$461.0K0.49%+1,922New
Reuter James Wealth Management, LLC1,933$464.0K0.18%+1,933New
Metis Global Partners, LLC1,937$465.0K0.13%+1,937New
Avidian Wealth Solutions, LLC1,965$471.0K0.03%+17+0.9%Added
Humankind Investments LLC1,975$474.0K0.19%+637+47.6%Added
Parallel Advisors, LLC2,000$480.0K0.02%−192−8.8%Reduced
Crescent Grove Advisors, LLC2,000$480.0K0.05%+444+28.5%Added
Cito Capital Group, LLC2,000$480.0K0.20%+2,000New
Intellectus Partners, LLC2,020$485.0K0.12%+739+57.7%Added
Johnson Investment Counsel Inc2,026$486.0K0.01%−7−0.3%Reduced
Intercontinental Wealth Advisors, LLC2,027$486.0K0.10%−2−0.1%Reduced
Aviance Capital Partners, LLC2,050$492.0K0.08%−8,849−81.2%Reduced
Forbes J M & Co LLP2,084$500.0K0.06%00.0%Unchanged
Brookstone Capital Management2,158$502.0K0.01%+409+23.4%Added
Steward Partners Investment Advisory, LLC2,101$504.0K0.01%+173+9.0%Added
Missouri Trust & Investment Co2,115$507.0K0.29%+2,115New
Heritage Wealth Advisors2,122$509.0K0.03%00.0%Unchanged
ARGA Investment Management, LP2,126$510.1K0.03%+2,126New
Flputnam Investment Management Co2,141$514.0K0.02%00.0%Unchanged
Laurel Wealth Advisors, Inc.2,146$515.0K0.04%+1,266+143.9%Added
JustInvest LLC2,152$516.0K0.03%−821−27.6%Reduced
Stratos Wealth Advisors, LLC2,149$516.0K0.04%+153+7.7%Added
Ethic Inc.2,170$521.0K0.04%−776−26.3%Reduced
Banco Santander, S.A.2,177$522.0K0.00%−23,487−91.5%Reduced
Signaturefd, LLC2,185$524.0K0.02%−299−12.0%Reduced
Manteio Capital LLC2,198$527.0K0.68%+2,198New
Trust Co of Vermont2,231$535.0K0.03%−121−5.1%Reduced
Tevis Investment Management2,240$536.0K0.47%+2,240New
ARS Wealth Advisors Group, LLC2,258$542.0K0.09%+349+18.3%Added
Glenview Trust Co2,270$545.0K0.02%−3,121−57.9%Reduced
BI Asset Management Fondsmaeglerselskab A/S2,271$545.0K0.02%00.0%Unchanged
Evercore Wealth Management, LLC2,276$546.0K0.01%−1,336−37.0%Reduced
Bank Julius Baer & Co. Ltd, Zurich2,327$558.0K0.00%−398−14.6%Reduced
Caxton Associates LP2,332$559.0K0.07%+2,332New
Mizuho Markets Cayman LP2,335$560.0K0.06%−3,812−62.0%Reduced
Spire Wealth Management2,359$566.0K0.01%+1,244+111.6%Added
Allstate Corp2,382$571.0K0.01%−396−14.3%Reduced
GHP Investment Advisors, Inc.2,396$575.0K0.04%−775−24.4%Reduced
Pensionfund DSM Netherlands2,400$576.0K0.07%00.0%Unchanged
Oracle Investment Management Inc2,412$579.0K0.09%00.0%Unchanged
Empirical Finance, LLC2,433$584.0K0.07%+395+19.4%Added
ETF Managers Group, LLC2,439$585.0K0.01%+114+4.9%Added
Vanguard Capital Wealth Advisors2,450$587.0K0.42%+100+4.3%Added
PDT Partners, LLC2,447$587.0K0.04%+2,447New
MMBG Investment Advisors Co.2,450$588.0K0.06%+2,450New
IBM Retirement Fund2,473$593.0K0.07%−1,776−41.8%Reduced
KB Financial Partners, LLC2,473$593.0K0.17%+858+53.1%Added
Capital Investment Advisors, LLC2,486$596.0K0.02%−130−5.0%Reduced
FNY Investment Advisers, LLC2,500$599.0K0.32%+2,500New
NJ State Employees Deferred Compensation Plan2,500$600.0K0.08%00.0%Unchanged
BancorpSouth Bank2,499$600.0K0.07%+6+0.2%Added
Meiji Yasuda Life Insurance Co2,508$602.0K0.01%−422−14.4%Reduced
Allen Investment Management LLC2,523$605.0K0.01%+2,523New
Wealthfront Advisers LLC2,527$606.0K0.00%−8,077−76.2%Reduced
Wedbush Securities Inc2,527$606.0K0.03%+113+4.7%Added
Hancock Whitney Corp2,539$609.0K0.02%−386−13.2%Reduced
Avestar Capital, LLC2,601$624.0K0.11%+703+37.0%Added
Huntington National Bank2,618$628.0K0.01%−161−5.8%Reduced
Eagle Global Advisors LLC2,625$630.0K0.04%00.0%Unchanged
FineMark National Bank & Trust2,645$635.0K0.02%−57−2.1%Reduced
Atom Investors LP2,686$644.0K0.18%+2,686New
Stoneridge Investment Partners LLC2,694$646.0K0.30%00.0%Unchanged
Y-Intercept (Hong Kong) Ltd2,697$647.0K0.15%+1,164+75.9%Added
FDx Advisors, Inc.2,702$648.0K0.02%−604−18.3%Reduced
Eqis Capital Management, Inc.2,777$666.0K0.05%−19−0.7%Reduced
Alpine Global Management, LLC2,788$669.0K0.10%+2,788New
Legacy Wealth Asset Management, LLC2,797$671.0K0.23%+296+11.8%Added
Cullen/Frost Bankers, Inc.2,799$672.0K0.01%+180+6.9%Added
CSS LLC2,800$672.0K0.03%+2,800New
Raymond James Trust N.A.2,830$679.0K0.02%−261−8.4%Reduced
IndexIQ Advisors LLC2,829$679.0K0.02%+241+9.3%Added
Bessemer Group Inc2,833$679.0K0.00%+695+32.5%Added
Stonegate Investment Group, LLC2,834$680.0K0.03%+2,834New
Knowledge Leaders Capital, LLC2,883$692.0K0.51%+279+10.7%Added
Ropes Wealth Advisors LLC2,898$695.0K0.12%−17−0.6%Reduced
Apriem Advisors2,929$703.0K0.10%−33−1.1%Reduced
Meiji Yasuda Asset Management Co Ltd.2,929$703.0K0.04%+106+3.8%Added
Aigen Investment Management, LP2,982$704.0K0.04%+2,982New
Wetherby Asset Management Inc2,948$707.0K0.04%−1,581−34.9%Reduced
CenterStar Asset Management, LLC–$709.0K0.54%–New
Fiduciary Trust Co2,963$711.0K0.01%−40−1.3%Reduced
HRT Financial LP2,977$714.0K0.00%−2,531−46.0%Reduced
E Fund Management Co., Ltd.2,981$715.0K0.03%+225+8.2%Added
Evergreen Wealth Solutions, LLC2,992$718.0K0.65%+2,992New
Trail Ridge Investment Advisors, LLC3,023$725.0K0.44%+3,023New
Pendal Group Limited3,042$730.0K0.01%+1,608+112.1%Added
Richard P Slaughter Associates Inc3,084$739.0K0.26%−1,512−32.9%Reduced
Wrapmanager Inc3,086$740.0K0.18%−941−23.4%Reduced
Beacon Pointe Advisors, LLC3,094$742.0K0.02%+1,003+48.0%Added
Scott Investment Partners LLP3,100$744.0K0.46%00.0%Unchanged
CenterBook Partners LP3,117$748.0K0.44%+3,117New
Alpha Paradigm Partners, LLC3,133$752.0K0.30%+3,133New
AtonRa Partners3,147$755.0K0.26%+233+8.0%Added