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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 2022

Institutional positions in Biogen Inc. as of Mar 31, 2022. 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
954
−52 vs. Q4 2021
Shares held
123.2M
−692.9K (−0.6%) vs. Q4 2021
Total value
$25.9B
−$3.76B (−12.7%) vs. Q4 2021
New holders
82
319 more added
Sold out
134
389 more reduced

8 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2022: 954 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 2022: $25.9B
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 2022

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q4 2021.

Institutions holding BIIB in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Raymond James Financial Services Advisors, Inc.22,977$4.84M0.01%−6,528−22.1%Reduced
Stephens Inc23,031$4.85M0.08%+4,084+21.6%Added
Yousif Capital Management, LLC23,366$4.92M0.05%+598+2.6%Added
IFM Investors Pty Ltd23,597$4.97M0.08%+3,376+16.7%Added
Auxier Asset Management23,810$5.01M0.80%00.0%Unchanged
State of Tennessee, Treasury Department24,280$5.11M0.02%−774−3.1%Reduced
Public Employees Retirement Association of Colorado24,288$5.12M0.02%−2,527−9.4%Reduced
Jefferies Group LLC24,839$5.23M0.12%−39,059−61.1%Reduced
Centiva Capital, LP24,969$5.26M0.30%+15,466+162.7%Added
Commonwealth Equity Services, LLC24,997$5.26M0.01%+920+3.8%Added
Gotham Asset Management, LLC25,239$5.32M0.16%+15,155+150.3%Added
Forsta Ap-Fonden25,700$5.41M0.06%−3,800−12.9%Reduced
Greenwood Capital Associates LLC25,726$5.42M1.42%+25,726New
Utah Retirement Systems26,029$5.48M0.07%−500−1.9%Reduced
Gulf International Bank (UK) Ltd27,052$5.70M0.09%00.0%Unchanged
Cardinal Capital Management27,248$5.74M1.16%+10,172+59.6%Added
HealthInvest Partners AB28,000$5.90M9.39%+28,000New
Profund Advisors LLC28,274$5.96M0.25%−5,332−15.9%Reduced
Distillate Capital Partners LLC28,398$5.98M0.85%+10,451+58.2%Added
Employees Retirement System of Texas28,800$6.07M0.07%+5,000+21.0%Added
National Bank of Canada27,826$6.11M0.02%+23,844+598.8%Added
Tredje AP-fonden29,064$6.12M0.12%00.0%Unchanged
PFS Investments Inc.29,106$6.13M0.12%−433−1.5%Reduced
Aigen Investment Management, LP29,394$6.19M1.07%+26,412+885.7%Added
US Bancorp30,231$6.37M0.01%−6,006−16.6%Reduced
CIBC Asset Management Inc30,881$6.50M0.02%+876+2.9%Added
ING Groep NV31,843$6.71M0.07%−3,570−10.1%Reduced
NorthCrest Asset Manangement, LLC32,169$6.78M0.32%+6,196+23.9%Added
Janney Montgomery Scott LLC32,258$6.79M0.03%+4,715+17.1%Added
Schonfeld Strategic Advisors LLC32,418$6.83M0.08%+1,331+4.3%Added
ICICI Prudential Asset Management Co Ltd32,366$6.83M0.92%+3,060+10.4%Added
ExodusPoint Capital Management, LP32,550$6.86M0.10%+17,583+117.5%Added
KBC Group NV33,629$7.08M0.03%−7,067−17.4%Reduced
Factory Mutual Insurance Co33,800$7.12M0.10%00.0%Unchanged
CIBC World Markets Corp34,479$7.26M0.06%−90,222−72.4%Reduced
The PNC Financial Services Group, Inc.34,784$7.33M0.01%−6,048−14.8%Reduced
Amalgamated Bank36,865$7.76M0.06%−2,667−6.7%Reduced
Amalgamated Financial Corp.36,865$7.76M0.06%+36,865New
Aviva PLC37,369$7.87M0.04%−8,733−18.9%Reduced
Bridgewater Associates, LP37,519$7.90M0.03%+25,115+202.5%Added
Allspring Global Investments Holdings, LLC37,548$7.91M0.01%−5,714−13.2%Reduced
CSM Advisors, LLC37,561$7.91M0.55%−2,900−7.2%Reduced
Teacher Retirement System of Texas38,177$8.04M0.04%+9,428+32.8%Added
Kynam Capital Management, LP38,236$8.05M2.62%−1,764−4.4%Reduced
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund38,621$8.13M0.08%−4,100−9.6%Reduced
GMT Capital Corp38,650$8.14M0.51%−5,200−11.9%Reduced
USS Investment Management Ltd39,080$8.23M0.07%+5,437+16.2%Added
Nomura Asset Management Co Ltd39,798$8.38M0.05%−1,598−3.9%Reduced
MetLife Investment Management39,956$8.41M0.05%+7,501+23.1%Added
Arizona State Retirement System40,307$8.49M0.07%−511−1.3%Reduced
Atwood & Palmer Inc41,344$8.71M0.75%+117+0.3%Added
Handelsbanken Fonder AB42,314$8.91M0.05%−23,372−35.6%Reduced
Hillman Capital Management, Inc.42,679$8.99M2.85%+15,488+57.0%Added
DnB Asset Management AS42,814$9.02M0.05%−3,140−6.8%Reduced
Beacon Investment Advisory Services, Inc.43,096$9.08M0.39%−29,323−40.5%Reduced
Vident Investment Advisory, LLC44,585$9.39M0.24%+8,854+24.8%Added
Mackenzie Financial Corp44,702$9.41M0.01%+197+0.4%Added
APG Asset Management N.V.49,861$9.44M0.02%+22,000+79.0%Added
Stifel Financial Corp44,995$9.48M0.01%+1,170+2.7%Added
Murchinson Ltd.45,000$9.48M1.81%+25,000+125.0%Added
Grimes & Company, Inc.45,188$9.52M0.50%+3,659+8.8%Added
Illinois Municipal Retirement Fund45,542$9.59M0.28%+2,255+5.2%Added
STRS Ohio45,733$9.63M0.04%−5,412−10.6%Reduced
Oppenheimer Asset Management Inc.45,853$9.66M0.14%+275+0.6%Added
LPL Financial LLC46,096$9.71M0.01%+112+0.2%Added
Tower Research Capital LLC (TRC)47,084$9.92M0.09%+34,339+269.4%Added
Westpac Banking Corp47,459$9.99M0.11%−5,471−10.3%Reduced
Susquehanna Fundamental Investments, LLC48,876$10.3M0.20%+48,876New
Bridgeway Capital Management, LLC49,105$10.3M0.20%−26,640−35.2%Reduced
Oregon Public Employees Retirement Fund49,623$10.5M0.11%−3,396−6.4%Reduced
Brandywine Global Investment Management, LLC49,683$10.5M0.08%−100,637−66.9%Reduced
Calamos Advisors LLC51,941$10.9M0.04%+6,923+15.4%Added
Standard Life Aberdeen plc53,807$11.4M0.03%−11,238−17.3%Reduced
State of Alaska, Department of Revenue53,995$11.4M0.12%−3,840−6.6%Reduced
Woodline Partners LP54,067$11.4M0.19%+16,286+43.1%Added
Group One Trading, L.P.54,126$11.4M0.25%+11,355+26.5%Added
Macquarie Group Ltd55,163$11.6M0.01%−1,453−2.6%Reduced
American International Group, Inc.56,111$11.8M0.06%−1,773−3.1%Reduced
Caisse de Depot Et Placement du Quebec56,531$11.9M0.03%−101,300−64.2%Reduced
Twin Tree Management, LP58,997$12.4M0.24%+58,997New
Ossiam59,069$12.4M0.33%−11,044−15.8%Reduced
Gateway Investment Advisers LLC59,499$12.5M0.12%+4,469+8.1%Added
Banque Pictet & Cie SA59,639$12.6M0.10%−17,442−22.6%Reduced
O'Shaughnessy Asset Management, LLC61,994$13.1M0.22%−20,318−24.7%Reduced
NN Investment Partners Holdings N.V.62,633$13.2M0.07%+21,839+53.5%Added
Asset Management One Co.,Ltd.63,007$13.3M0.05%−3,634−5.5%Reduced
Rafferty Asset Management, LLC63,234$13.3M0.08%+18,274+40.6%Added
Truist Financial Corp63,869$13.5M0.02%+6,105+10.6%Added
SG Americas Securities, LLC65,394$13.8M0.12%+32,639+99.6%Added
Storebrand Asset Management AS65,599$13.8M0.07%−6,681−9.2%Reduced
Voya Investment Management LLC67,690$14.3M0.03%−41,570−38.0%Reduced
Edmond de Rothschild Holding S.A.67,730$14.3M0.31%−4,345−6.0%Reduced
FIL Ltd68,291$14.4M0.01%−4,375−6.0%Reduced
Nisa Investment Advisors, LLC68,396$14.4M0.10%−16,810−19.7%Reduced
Ensign Peak Advisors, Inc70,066$14.8M0.03%+10,415+17.5%Added
Caption Management, LLC71,700$15.1M1.00%−163,300−69.5%Reduced
Altrinsic Global Advisors LLC71,818$15.1M0.53%−40,265−35.9%Reduced
Boston Common Asset Management, LLC74,795$15.8M0.68%−32,976−30.6%Reduced
Eversept Partners, LP78,003$16.4M1.51%+44,962+136.1%Added
Citadel Advisors LLC78,395$16.5M0.02%−10,846−12.2%Reduced