Institutional Ownership Biogen Inc. (BIIB)
This table provides information about the institutional ownership of Biogen Inc. (BIIB). We have compiled data on the 1,075 institutions that hold shares in the stock, with a total of 131 Million shares, which have been reported (via 13F filing form) to have a value of $21.9 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Larson Financial Group LLC
|
Nov 14, 2025 Q3 2025 |
638
shares
|
$106,896
0.0% of portfolio
|
Q3 2025
Added 23.4%
|
|
|
Smartleaf Asset Management LLC
Boston, MA |
Nov 05, 2025 Q3 2025 |
628
shares
|
$105,221
0.01% of portfolio
|
Q3 2025
Added 210.89%
|
|
|
Jnba Financial Advisors
|
Oct 28, 2025 Q3 2025 |
626
shares
|
$104,886
0.01% of portfolio
|
Q1 2025
Reduced 27.71%
|
|
|
Emerald Mutual Fund Advisers Trust
|
Oct 30, 2025 Q3 2025 |
623
shares
|
$104,383
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Tctc Holdings, LLC
Dallas, TX |
Nov 06, 2025 Q3 2025 |
600
shares
|
$100,530
0.0% of portfolio
|
Q3 2025
Reduced 33.33%
|
|
|
Mma Asset Management LLC
New York, NY |
Nov 05, 2025 Q3 2025 |
600
shares
|
$100,530
0.03% of portfolio
|
Q3 2025
New holding
|
|
|
Tidemark, LLC
San Diego, CA |
Nov 03, 2025 Q3 2025 |
592
shares
|
$99,189
0.03% of portfolio
|
Q3 2024
New holding
|
|
|
Burleson & Company, LLC
|
Jan 30, 2023 Q4 2022 |
540
shares
|
$90,477
0.04% of portfolio
|
Q3 2022
Reduced 2.53%
|
|
|
Hanson & Doremus Investment Management
|
Oct 15, 2025 Q3 2025 |
525
shares
|
$87,963
0.01% of portfolio
|
Q4 2023
Reduced 12.65%
|
|
|
Cassady Schiller Wealth Management, LLC
Cincinnati, OH |
Feb 10, 2025 Q4 2024 |
522
shares
|
$87,461
0.03% of portfolio
|
Q4 2024
Reduced 4.4%
|
|
|
Cromwell Holdings LLC
Jackson, WY |
Oct 23, 2025 Q3 2025 |
511
shares
|
$85,618
0.04% of portfolio
|
Q2 2025
Added 5010.0%
|
|
|
Curat Global, LLC
Springfield, NH |
Oct 28, 2025 Q3 2025 |
503
shares
|
$84,277
0.07% of portfolio
|
Q1 2025
New holding
|
|
|
Capital Analysts, LLC
Fort Washington, PA |
Nov 14, 2025 Q3 2025 |
501
shares
|
$83,942
0.0% of portfolio
|
Q4 2024
Reduced 2.91%
|
|
|
Am Squared LTD
Hong Kong, K3 |
Nov 06, 2024 Q3 2024 |
500
shares
|
$83,775
0.21% of portfolio
|
Q3 2024
Added 400.0%
|
|
|
Cva Family Office, LLC
|
Jan 12, 2026 Q4 2025 |
464
shares
|
$77,743
0.01% of portfolio
|
Q3 2025
Added 18.07%
|
|
|
Pflug Koory, LLC
|
Oct 21, 2025 Q3 2025 |
464
shares
|
$77,743
0.03% of portfolio
|
Q3 2025
Added 116.82%
|
|
|
Rothschild Investment LLC
Chicago, IL |
Nov 07, 2025 Q3 2025 |
457
shares
|
$76,570
0.0% of portfolio
|
Q3 2025
Added 104.02%
|
|
|
Paradigm Asset Management CO LLC
|
Nov 12, 2025 Q3 2025 |
455
shares
|
$76,235
0.02% of portfolio
|
Q1 2023
Reduced 9.9%
|
|
|
Le Jeune Puetz Investment Counsel LLC
|
May 03, 2023 Q1 2023 |
452
shares
|
$75,732
0.05% of portfolio
|
Q3 2022
New holding
|
|
|
Lavaca Capital LLC
Houston, TX |
Nov 13, 2025 Q3 2025 |
447
shares
|
$74,894
0.02% of portfolio
|
Q2 2025
Reduced 55.3%
|
|
|
Desjardins Global Asset Management Inc.
Montreal, A8 |
Jan 30, 2024 Q4 2023 |
446
shares
|
$74,727
0.01% of portfolio
|
Q4 2023
Reduced 86.05%
|
|
|
Richardson Financial Services Inc.
Medway, MA |
Oct 28, 2025 Q3 2025 |
437
shares
|
$73,219
0.04% of portfolio
|
Q4 2023
New holding
|
|
|
Bayforest Capital LTD
London, X0 |
Oct 24, 2025 Q3 2025 |
429
shares
|
$71,878
0.03% of portfolio
|
Q3 2025
New holding
|
|
|
Fin Trust Capital Advisors, LLC
|
Oct 11, 2024 Q3 2024 |
419
shares
|
$70,203
0.01% of portfolio
|
Q3 2024
Added 2.95%
|
|
|
Td Private Client Wealth LLC
New York, NY |
Oct 27, 2025 Q3 2025 |
414
shares
|
$69,365
0.0% of portfolio
|
Q3 2025
Added 22.49%
|
|