Institutional Ownership Biogen Inc. (BIIB)
This table provides information about the institutional ownership of Biogen Inc. (BIIB). We have compiled data on the 1,018 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 $18.6 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Mqs Management LLC
|
Jul 31, 2025 Q2 2025 |
3,817
shares
|
$544,342
0.26% of portfolio
|
Q2 2025
Added 113.6%
|
|
|
Eisler Capital (Uk) Ltd.
London, X0 |
Nov 14, 2024 Q3 2024 |
3,766
shares
|
$537,069
0.0% of portfolio
|
Q3 2024
New holding
|
|
|
Polymer Capital Management (Us) LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
3,760
shares
|
$536,213
0.06% of portfolio
|
Q2 2025
Reduced 3.09%
|
|
|
Dowling & Yahnke LLC
San Diego, CA |
Nov 02, 2022 Q3 2022 |
3,717
shares
|
$530,081
0.46% of portfolio
|
Q3 2022
Reduced 9.74%
|
|
|
Applied Finance Capital Management, LLC
San Juan, PR |
Jul 29, 2025 Q2 2025 |
3,703
shares
|
$528,084
0.03% of portfolio
|
Q2 2025
New holding
|
|
|
Integrated Wealth Concepts LLC
|
Aug 14, 2025 Q2 2025 |
3,689
shares
|
$526,088
0.01% of portfolio
|
Q2 2025
Added 77.36%
|
|
|
American Research & Management Co.
|
Oct 07, 2022 Q3 2022 |
3,658
shares
|
$521,667
0.27% of portfolio
|
Q3 2022
Reduced 8.39%
|
|
|
South Dakota Investment Council
Sioux Falls, SD |
Aug 05, 2025 Q2 2025 |
3,613
shares
|
$515,249
0.01% of portfolio
|
Q2 2024
Reduced 0.17%
|
|
|
Gamma Investing LLC
Foster City, CA |
Jul 14, 2025 Q2 2025 |
3,587
shares
|
$511,542
0.03% of portfolio
|
Q2 2025
Added 92.64%
|
|
|
Bessemer Group Inc
Woodbridge, NJ |
Aug 01, 2025 Q2 2025 |
3,544
shares
|
$505,409
0.0% of portfolio
|
Q2 2025
Added 16.69%
|
|
|
Siemens Fonds Invest Gmb H
Munich, 2M |
Aug 14, 2025 Q2 2025 |
3,540
shares
|
$504,839
0.03% of portfolio
|
Q2 2025
Added 10.35%
|
|
|
Ironwood Financial, LLC
|
Jul 23, 2025 Q2 2025 |
3,535
shares
|
$504,126
0.09% of portfolio
|
Q3 2024
Reduced 2.19%
|
|
|
Strs Ohio
|
Aug 04, 2025 Q2 2025 |
3,492
shares
|
$497,994
0.0% of portfolio
|
Q2 2025
Reduced 89.73%
|
|
|
Cambridge Investment Research Advisors, Inc.
|
Jul 31, 2025 Q2 2025 |
3,432
shares
|
$489,437
0.0% of portfolio
|
Q2 2025
Reduced 10.34%
|
|
|
Simplicity Wealth,Llc
|
Jul 22, 2025 Q2 2025 |
3,424
shares
|
$488,296
0.02% of portfolio
|
Q2 2025
New holding
|
|
|
Unique Wealth Strategies, LLC
Burr Ridge, IL |
Jul 24, 2024 Q2 2024 |
3,406
shares
|
$485,729
0.34% of portfolio
|
Q1 2024
New holding
|
|
|
Sig Brokerage, LP
Bala Cynwyd, PA |
Aug 14, 2025 Q2 2025 |
3,379
shares
|
$481,879
0.01% of portfolio
|
Q2 2025
Reduced 20.02%
|
|
|
State Of Wyoming
Cheyenne, WY |
Aug 19, 2025 Q2 2025 |
3,379
shares
|
$481,879
0.05% of portfolio
|
Q2 2025
Added 31.94%
|
|
|
Virtus Investment Advisers, Inc.
Hartford, CT |
Aug 13, 2025 Q2 2025 |
3,359
shares
|
$479,026
0.15% of portfolio
|
Q2 2025
Added 45.35%
|
|
|
Tiaa, Fsb
St. Louis, MO |
Jul 31, 2023 Q2 2023 |
3,334
shares
|
$475,461
0.0% of portfolio
|
Q2 2023
Reduced 9.99%
|
|
|
Sax Wealth Advisors, LLC
Parsippany, NJ |
Jul 23, 2025 Q2 2025 |
3,288
shares
|
$468,901
0.03% of portfolio
|
Q2 2025
Added 48.78%
|
|
|
Mufg Securities Americas Inc.
New York, NY |
Aug 12, 2025 Q2 2025 |
3,247
shares
|
$463,054
0.03% of portfolio
|
Q2 2025
Added 25.32%
|
|
|
Coldstream Capital Management Inc
|
Aug 12, 2025 Q2 2025 |
3,246
shares
|
$462,912
0.01% of portfolio
|
Q2 2025
Reduced 3.45%
|
|
|
Vestcor Inc
Fredericton, A3 |
Aug 08, 2025 Q2 2025 |
3,246
shares
|
$462,912
0.01% of portfolio
|
Q2 2025
Added 27.64%
|
|
|
Blackhawk Capital Partners Llc.
Thiensville, WI |
Aug 07, 2025 Q2 2025 |
3,212
shares
|
$458,063
0.19% of portfolio
|
Q2 2025
Added 15.17%
|