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 $18.8 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
B. Metzler Seel. Sohn & Co. Holding Ag
Frankfurt, 2M |
Nov 08, 2024 Q3 2024 |
7,361
shares
|
$1.06 Million
0.01% of portfolio
|
Q3 2024
Reduced 21.31%
|
|
|
Allspring Global Investments Holdings, LLC
|
Jul 25, 2025 Q2 2025 |
7,273
shares
|
$1.04 Million
0.0% of portfolio
|
Q2 2025
Reduced 33.04%
|
|
|
Koss Olinger Consulting, LLC
|
Aug 01, 2025 Q2 2025 |
7,256
shares
|
$1.04 Million
0.08% of portfolio
|
Q2 2025
Reduced 0.58%
|
|
|
Brown Advisory Inc
|
Aug 13, 2025 Q2 2025 |
7,231
shares
|
$1.04 Million
0.0% of portfolio
|
Q2 2025
Reduced 0.36%
|
|
|
First Republic Investment Management, Inc.
San Francisco, CA |
Nov 07, 2023 Q3 2023 |
7,209
shares
|
$1.04 Million
0.01% of portfolio
|
Q3 2023
New holding
|
|
|
Canada Post Corp Registered Pension Plan
Toronto, Z4 |
Aug 08, 2025 Q2 2025 |
7,193
shares
|
$1.03 Million
0.05% of portfolio
|
Q2 2025
New holding
|
|
|
Citizens & Northern Corp
|
Jul 30, 2025 Q2 2025 |
7,028
shares
|
$1.01 Million
0.24% of portfolio
|
Q2 2025
Added 49.12%
|
|
|
Merit Financial Group, LLC
|
Jul 22, 2025 Q2 2025 |
6,991
shares
|
$1 Million
0.01% of portfolio
|
Q2 2025
Reduced 22.3%
|
|
|
Css LLC
Chicago, IL |
Aug 14, 2025 Q2 2025 |
6,920
shares
|
$993,712
0.09% of portfolio
|
Q2 2025
Added 85.52%
|
|
|
Aia Group LTD
Hong Kong, K3 |
Aug 06, 2025 Q2 2025 |
6,852
shares
|
$983,947
0.02% of portfolio
|
Q2 2025
Added 41.39%
|
|
|
New Mexico Educational Retirement Board
|
Jul 30, 2025 Q2 2025 |
6,824
shares
|
$979,926
0.03% of portfolio
|
Q1 2025
Reduced 1.44%
|
|
|
Maryland State Retirement & Pension System
|
Jul 23, 2025 Q2 2025 |
6,809
shares
|
$977,772
0.02% of portfolio
|
Q1 2025
Reduced 15.56%
|
|
|
Campbell & CO Investment Adviser LLC
Baltimore, MD |
Aug 07, 2025 Q2 2025 |
6,760
shares
|
$970,736
0.06% of portfolio
|
Q2 2025
Reduced 41.59%
|
|
|
Wolverine Trading, LLC
Chicago, IL |
Aug 18, 2025 Q2 2025 |
6,667
shares
|
$957,381
0.0% of portfolio
|
Q2 2025
Reduced 74.63%
|
|
|
Metis Global Partners, LLC
|
Aug 06, 2025 Q2 2025 |
6,647
shares
|
$954,509
0.02% of portfolio
|
Q2 2025
Reduced 37.6%
|
|
|
Bi Asset Management Fondsmaeglerselskab A
Kobenhavn, G7 |
Aug 14, 2025 Q2 2025 |
6,626
shares
|
$951,493
0.01% of portfolio
|
Q2 2025
Added 25.37%
|
|
|
Simplex Trading, LLC
|
Aug 05, 2025 Q2 2025 |
6,599
shares
|
$947,616
0.0% of portfolio
|
Q2 2025
Added 108.9%
|
|
|
Pensionmark Financial Group, LLC
Santa Barbara, CA |
Aug 04, 2025 Q2 2025 |
6,478
shares
|
$930,240
0.02% of portfolio
|
Q2 2025
Added 2.92%
|
|
|
E. Ohman J:Or Asset Management Ab
Stockholm, V7 |
Jul 08, 2025 Q2 2025 |
6,399
shares
|
$918,896
0.02% of portfolio
|
Q4 2024
Added 14.29%
|
|
|
Y Intercept (Hong Kong) LTD
|
Aug 01, 2025 Q2 2025 |
6,318
shares
|
$907,264
0.02% of portfolio
|
Q2 2025
Added 243.74%
|
|
|
Buckingham Strategic Partners
Saint Louis, MO |
Jul 31, 2025 Q2 2025 |
6,311
shares
|
$906,259
0.01% of portfolio
|
Q2 2025
Added 19.05%
|
|
|
Mogy Joel R Investment Counsel Inc
Beverly Hills, CA |
Jul 10, 2025 Q2 2025 |
6,260
shares
|
$898,936
0.05% of portfolio
|
Q1 2025
Reduced 8.75%
|
|
|
Commerce Bank
Kansas City, MO |
Aug 07, 2025 Q2 2025 |
6,236
shares
|
$895,489
0.0% of portfolio
|
Q2 2025
Reduced 10.44%
|
|
|
Loring Wolcott & Coolidge Fiduciary Advisors LLP
|
Jul 30, 2025 Q2 2025 |
6,193
shares
|
$889,314
0.01% of portfolio
|
Q1 2025
Reduced 4.41%
|
|
|
Ameritas Investment Partners, Inc.
Lincoln, NE |
Aug 12, 2025 Q2 2025 |
6,187
shares
|
$888,453
0.03% of portfolio
|
Q1 2025
Added 2.16%
|