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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; 1,046 institutions reported holding it in 13F filings for Q2 2026, worth $30.7B in total; no superinvestor holds it.

13F holders, Q3 2021

Institutional positions in Biogen Inc. as of Sep 30, 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
1,044
−50 vs. Q2 2021
Shares held
123.8M
−1.32M (−1.1%) vs. Q2 2021
Total value
$35.1B
−$8.22B (−19.0%) vs. Q2 2021
New holders
74
351 more added
Sold out
124
398 more reduced

13 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2021: 1,044 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: 1,046 institutions
Value heldQ3 2021: $35.1B
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 20261,046$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 2021

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q2 2021.

Institutions holding BIIB in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Focused Wealth Management, Inc648$183.0K0.03%+8+1.3%Added
Cutler Group LP653$184.0K0.01%+553+553.0%Added
Manchester Capital Management LLC670$190.0K0.03%00.0%Unchanged
Global Trust Asset Management, LLC697$197.0K0.09%−241−25.7%Reduced
Colony Group LLC708$200.0K0.00%−44−5.9%Reduced
Fox Run Management, L.L.C.707$200.0K0.13%+707New
Sheaff Brock Investment Advisors, LLC710$201.0K0.02%00.0%Unchanged
Pinnacle Wealth Planning Services, Inc.711$201.0K0.04%+3+0.4%Added
Compton Capital Management Inc715$202.0K0.06%−50−6.5%Reduced
Boston Trust Walden Corp714$202.0K0.00%+714New
JGP Global Gestao de Recursos Ltda.716$203.0K0.07%+68+10.5%Added
Cohen Capital Management, Inc.720$204.0K0.04%00.0%Unchanged
Mather Group, LLC.721$204.0K0.00%+68+10.4%Added
Arvest Bank Trust Division726$205.0K0.01%−17−2.3%Reduced
Integrated Advisors Network LLC725$205.0K0.01%+4+0.6%Added
Sawtooth Solutions, LLC726$205.0K0.03%+82+12.7%Added
Quilter Plc732$207.0K0.01%+125+20.6%Added
Assetmark, Inc734$208.0K0.00%−63,735−98.9%Reduced
Financial Counselors Inc736$208.0K0.00%00.0%Unchanged
Ahrens Investment Partners LLC740$209.0K0.10%00.0%Unchanged
Personal Capital Advisors Corp739$209.0K0.00%+13+1.8%Added
Ingalls & Snyder LLC740$209.0K0.01%+90+13.8%Added
Miracle Mile Advisors, LLC744$211.0K0.01%−42−5.3%Reduced
Taylor, Cottrill, Erickson & Associates, Inc.744$211.0K0.03%+94+14.5%Added
Mid Atlantic Financial Management Inc746$211.0K0.01%+109+17.1%Added
Lowe Brockenbrough & Co Inc750$212.0K0.02%00.0%Unchanged
Keudell/Morrison Wealth Management753$213.0K0.09%00.0%Unchanged
Kozak & Associates, Inc.784$213.0K0.13%+784New
Independent Financial Group, LLC753$213.1K0.02%−18−2.3%Reduced
Boenning & Scattergood, Inc.760$215.0K0.04%−100−11.6%Reduced
Waterfront Wealth Inc.760$215.0K0.10%−15−1.9%Reduced
Sage Rhino Capital LLC760$215.0K0.07%−3−0.4%Reduced
Eads & Heald Wealth Management761$215.0K0.10%+761New
Eastern Bank760$216.0K0.01%−80−9.5%Reduced
Prio Wealth Limited Partnership764$216.0K0.01%00.0%Unchanged
Twin Focus Capital Partners, LLC762$216.0K0.05%+1+0.1%Added
McAdam, LLC764$216.0K0.02%−20−2.6%Reduced
Welch & Forbes LLC776$220.0K0.00%−150−16.2%Reduced
Canvas Wealth Advisors, LLC777$220.0K0.09%+8+1.0%Added
Robinson Value Management, Ltd.793$224.0K0.20%00.0%Unchanged
Busey Wealth Management797$225.0K0.01%−83−9.4%Reduced
Newbridge Financial Services Group, Inc.796$225.0K0.14%00.0%Unchanged
Covenant Asset Management, LLC794$225.0K0.07%00.0%Unchanged
AGF Investments LLC799$226.0K0.02%−79−9.0%Reduced
LCM Capital Management Inc798$226.0K0.19%−9−1.1%Reduced
Community Bank, N.A.800$226.0K0.03%00.0%Unchanged
Optas, LLC801$226.0K0.07%+4+0.5%Added
Fukoku Mutual Life Insurance Co800$226.0K0.02%+150+23.1%Added
Capital Analysts, LLC801$227.0K0.01%00.0%Unchanged
Engine No. 1 LLC803$227.0K0.06%+803New
First Midwest Bank Trust Division809$229.0K0.03%−36−4.3%Reduced
TCI Wealth Advisors, Inc.814$230.0K0.04%−292−26.4%Reduced
One Wealth Advisors, LLC811$230.0K0.07%−263−24.5%Reduced
Central Trust Co813$230.0K0.01%−26−3.1%Reduced
Grandfield & Dodd, LLC823$230.0K0.02%00.0%Unchanged
Vantage Consulting Group Inc813$230.0K0.05%+235+40.7%Added
Pin Oak Investment Advisors Inc820$232.0K0.26%00.0%Unchanged
Culbertson A N & Co Inc820$232.0K0.05%00.0%Unchanged
AdvisorNet Financial, Inc832$235.0K0.02%+22+2.7%Added
Waters Parkerson & Co., LLC833$236.0K0.01%00.0%Unchanged
Brighton Jones LLC833$236.0K0.01%+833New
Beaumont Financial Partners, LLC841$238.0K0.02%00.0%Unchanged
Tiemann Investment Advisors, LLC850$241.0K0.11%−50−5.6%Reduced
Parisi Gray Wealth Management853$242.0K0.10%−60−6.6%Reduced
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management858$243.0K0.01%−231−21.2%Reduced
Everett Harris & Co863$244.0K0.00%00.0%Unchanged
Cornercap Investment Counsel Inc867$245.0K0.03%−140−13.9%Reduced
WealthTrust Axiom LLC866$245.0K0.08%+6+0.7%Added
Joel Isaacson & Co., LLC878$248.0K0.02%00.0%Unchanged
Auxano Advisors, LLC878$248.0K0.11%00.0%Unchanged
Bailard, Inc.877$248.0K0.01%+877New
Laurel Wealth Advisors, Inc.880$249.0K0.05%−26−2.9%Reduced
LFA - Lugano Financial Advisors SA880$249.0K0.16%00.0%Unchanged
Columbia Asset Management885$250.0K0.05%−795−47.3%Reduced
First Bank & Trust882$250.0K0.11%−12−1.3%Reduced
Cypress Capital Group888$251.0K0.03%−2,444−73.3%Reduced
Pathstone Family Office, LLC889$251.0K0.01%−10−1.1%Reduced
Waddell & Associates, LLC887$251.0K0.04%00.0%Unchanged
Sutton Wealth Advisors Inc.891$252.1K0.09%−2−0.2%Reduced
Freestone Capital Holdings, LLC899$254.0K0.01%−24−2.6%Reduced
Cedar Wealth Management, LLC897$254.0K0.11%00.0%Unchanged
NBT Bank N A905$256.0K0.04%−25−2.7%Reduced
Cetera Advisors LLC910$258.0K0.01%−161−15.0%Reduced
Koshinski Asset Management, Inc.914$258.7K0.02%+27+3.0%Added
Acima Private Wealth, LLC916$259.0K0.12%00.0%Unchanged
Israel Discount Bank of New York918$260.0K0.18%+918New
Osborne Partners Capital Management, LLC925$262.0K0.02%00.0%Unchanged
Abacus Planning Group, Inc.934$264.0K0.08%+147+18.7%Added
Northern Capital Management, Inc.947$268.0K0.23%00.0%Unchanged
Sigma Investment Counselors Inc956$271.0K0.02%−213−18.2%Reduced
Kercheville Advisors, LLC960$272.0K0.13%−200−17.2%Reduced
Thoroughbred Financial Services, LLC966$273.0K0.07%−170−15.0%Reduced
Selective Wealth Management, Inc.967$274.0K0.15%+159+19.7%Added
Pekin Hardy Strauss, Inc.981$278.0K0.04%−150−13.3%Reduced
Checchi Capital Advisers, LLC985$279.0K0.03%−13−1.3%Reduced
Willis Investment Counsel1,000$283.0K0.02%−10−1.0%Reduced
Congress Park Capital LLC1,000$283.0K0.14%+1,000New
Fort, L.P.1,004$284.0K0.09%−976−49.3%Reduced
Argent Trust Co1,005$284.0K0.02%+345+52.3%Added
Allworth Financial LP1,012$286.0K0.00%+510+101.6%Added