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 |
|---|---|---|---|---|---|
|
Jump Financial, LLC
Chicago, IL |
Nov 13, 2025 Q3 2025 |
6,030
shares
|
$1.01 Million
0.01% of portfolio
|
Q3 2025
Reduced 26.18%
|
|
|
Dai Ichi Life Insurance Company, LTD
Tokyo, M0 |
Nov 14, 2025 Q3 2025 |
6,019
shares
|
$1.01 Million
0.02% of portfolio
|
Q2 2025
Reduced 43.85%
|
|
|
Pko Investment Management Joint Stock CO
Warsaw, R9 |
Oct 27, 2025 Q3 2025 |
6,000
shares
|
$1.01 Million
0.07% of portfolio
|
Q3 2025
Reduced 23.08%
|
|
|
Holocene Advisors, LP
New York, NY |
Nov 14, 2025 Q3 2025 |
5,979
shares
|
$1 Million
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Ballentine Partners, LLC
Waltham, MA |
Nov 03, 2025 Q3 2025 |
5,941
shares
|
$995,414
0.01% of portfolio
|
Q3 2025
Added 8.51%
|
|
|
Northwestern Mutual Wealth Management CO
|
Nov 14, 2025 Q3 2025 |
5,930
shares
|
$993,571
0.0% of portfolio
|
Q3 2025
Added 2.19%
|
|
|
Summit Trail Advisors, LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
5,889
shares
|
$986,701
0.01% of portfolio
|
Q3 2025
Added 119.17%
|
|
|
Allstate Investment Management CO
Northbrook, IL |
Feb 14, 2023 Q4 2022 |
5,784
shares
|
$969,109
0.05% of portfolio
|
Q4 2022
New holding
|
|
|
Gifford Fong Associates
Lafayette, CA |
Nov 03, 2025 Q3 2025 |
5,750
shares
|
$963,412
0.17% of portfolio
|
Q1 2024
Reduced 50.0%
|
|
|
Advisor Partners Ii, LLC
Walnut Creek, CA |
Oct 26, 2023 Q3 2023 |
5,750
shares
|
$963,412
0.06% of portfolio
|
Q3 2023
Added 2.64%
|
|
|
Hills Bank & Trust CO
|
Nov 13, 2025 Q3 2025 |
5,745
shares
|
$962,574
0.05% of portfolio
|
Q3 2025
Added 2.85%
|
|
|
E. Ohman J:Or Asset Management Ab
Stockholm, V7 |
Jan 12, 2026 Q4 2025 |
5,719
shares
|
$958,218
0.02% of portfolio
|
Q4 2025
Reduced 10.63%
|
|
|
Bi Asset Management Fondsmaeglerselskab A
Kobenhavn, G7 |
Nov 05, 2025 Q3 2025 |
5,688
shares
|
$953,024
0.01% of portfolio
|
Q3 2025
Reduced 14.16%
|
|
|
North Star Investment Management Corp.
Chicago, IL |
Oct 22, 2025 Q3 2025 |
5,622
shares
|
$941,966
0.05% of portfolio
|
Q3 2024
Reduced 0.21%
|
|
|
Caprock Group, Inc.
|
Nov 06, 2025 Q3 2025 |
5,611
shares
|
$940,123
0.02% of portfolio
|
Q3 2025
New holding
|
|
|
Pathstone Family Office, LLC
Englewood, NJ |
Nov 08, 2023 Q3 2023 |
5,576
shares
|
$934,258
0.01% of portfolio
|
Q2 2023
Reduced 72.72%
|
|
|
Tokio Marine Asset Management CO LTD
Tokyo, M0 |
Oct 27, 2025 Q3 2025 |
5,569
shares
|
$933,085
0.03% of portfolio
|
Q2 2025
Added 7.66%
|
|
|
Gamma Investing LLC
Foster City, CA |
Jan 02, 2026 Q4 2025 |
5,516
shares
|
$924,205
0.05% of portfolio
|
Q4 2025
Added 27.01%
|
|
|
Boothbay Fund Management, LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
5,500
shares
|
$921,525
0.01% of portfolio
|
Q3 2025
Reduced 49.64%
|
|
|
Shell Asset Management CO
The Hague, P7 |
Nov 07, 2025 Q3 2025 |
5,448
shares
|
$912,812
0.08% of portfolio
|
Q3 2025
Reduced 35.45%
|
|
|
United Capital Financial Advisers, LLC
Newport Beach, CA |
Nov 14, 2025 Q3 2025 |
5,433
shares
|
$910,299
0.01% of portfolio
|
Q3 2025
Added 8.18%
|
|
|
Guardian Investment Management
|
Nov 13, 2025 Q3 2025 |
5,400
shares
|
$904,770
0.67% of portfolio
|
Q3 2025
Added 1.89%
|
|
|
Jane Street Group, LLC
New York, NY |
Nov 13, 2025 Q3 2025 |
5,340
shares
|
$894,717
0.0% of portfolio
|
Q3 2025
Reduced 83.84%
|
|
|
Wealthcare Advisory Partners LLC
West Chester, PA |
Jan 14, 2026 Q4 2025 |
5,302
shares
|
$888,350
0.02% of portfolio
|
Q4 2025
New holding
|
|
|
Inceptionr LLC
Lafayette, CA |
Nov 13, 2025 Q3 2025 |
5,302
shares
|
$888,350
0.18% of portfolio
|
Q3 2025
Reduced 44.19%
|
|