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 |
|---|---|---|---|---|---|
|
Mariner, LLC
Overland Park, KS |
Aug 14, 2025 Q2 2025 |
35,915
shares
|
$5.16 Million
0.01% of portfolio
|
Q2 2025
Added 49.61%
|
|
|
Czech National Bank
Prague, 2N |
Jul 09, 2025 Q2 2025 |
35,816
shares
|
$5.14 Million
0.04% of portfolio
|
Q2 2025
Added 6.53%
|
|
|
Ifm Investors Pty LTD
|
Jul 10, 2025 Q2 2025 |
35,752
shares
|
$5.13 Million
0.04% of portfolio
|
Q2 2025
Added 6.0%
|
|
|
Kbc Group Nv
|
Aug 08, 2025 Q2 2025 |
35,204
shares
|
$5.06 Million
0.01% of portfolio
|
Q2 2025
Added 2.52%
|
|
|
Tang Capital Management LLC
San Diego, CA |
Aug 14, 2025 Q2 2025 |
35,000
shares
|
$5.03 Million
0.26% of portfolio
|
Q2 2024
New holding
|
|
|
Vanguard Personalized Indexing Management, LLC
Oakland, CA |
Jul 25, 2025 Q2 2025 |
34,928
shares
|
$5.02 Million
0.05% of portfolio
|
Q2 2025
Added 60.94%
|
|
|
Cwm, LLC
|
Jul 25, 2025 Q2 2025 |
34,782
shares
|
$4.99 Million
0.02% of portfolio
|
Q2 2025
Added 23.59%
|
|
|
Natixis
Paris, I0 |
Aug 13, 2025 Q2 2025 |
34,781
shares
|
$4.99 Million
0.02% of portfolio
|
Q2 2025
Added 16.3%
|
|
|
Ci Private Wealth, LLC
Miami, FL |
Aug 15, 2025 Q2 2025 |
34,653
shares
|
$4.98 Million
0.01% of portfolio
|
Q2 2025
Added 16.32%
|
|
|
North Growth Management Ltd.
|
Aug 13, 2025 Q2 2025 |
34,000
shares
|
$4.88 Million
0.8% of portfolio
|
Q1 2025
Added 88.89%
|
|
|
Impax Asset Management Group PLC
|
Aug 08, 2025 Q2 2025 |
33,526
shares
|
$4.81 Million
0.03% of portfolio
|
Q2 2025
Reduced 6.47%
|
|
|
Meitav Dash Investments LTD
|
Jul 23, 2025 Q2 2025 |
33,400
shares
|
$4.8 Million
0.07% of portfolio
|
Q1 2025
Reduced 67.52%
|
|
|
Jane Street Group, LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
33,041
shares
|
$4.74 Million
0.0% of portfolio
|
Q2 2025
Reduced 11.31%
|
|
|
Engineers Gate Manager LP
New York, NY |
Aug 14, 2025 Q2 2025 |
33,008
shares
|
$4.74 Million
0.06% of portfolio
|
Q2 2025
Reduced 57.11%
|
|
|
Orion Investment CO
St. Louis, MO |
Aug 14, 2025 Q2 2025 |
32,901
shares
|
$4.72 Million
1.46% of portfolio
|
Q2 2025
Added 3.95%
|
|
|
China Universal Asset Management Co., Ltd.
Shanghai, F4 |
Aug 28, 2025 Q2 2025 |
32,757
shares
|
$4.7 Million
0.4% of portfolio
|
Q2 2025
Reduced 0.92%
|
|
|
North Crest Asset Manangement, LLC
|
Jul 10, 2025 Q2 2025 |
32,669
shares
|
$4.69 Million
0.12% of portfolio
|
Q2 2025
Reduced 5.39%
|
|
|
Uss Investment Management LTD
|
Aug 13, 2025 Q2 2025 |
31,870
shares
|
$4.58 Million
0.03% of portfolio
|
Q2 2025
Added 1.18%
|
|
|
Pdt Partners, LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
31,664
shares
|
$4.55 Million
0.25% of portfolio
|
Q2 2025
New holding
|
|
|
Retirement Systems Of Alabama
|
Aug 04, 2025 Q2 2025 |
31,442
shares
|
$4.52 Million
0.01% of portfolio
|
Q2 2025
Reduced 82.87%
|
|
|
Fjarde Ap Fonden (The Fourth Swedish National Pensionfund)
Stockholm, V7 |
Aug 02, 2024 Q2 2024 |
29,721
shares
|
$4.27 Million
0.08% of portfolio
|
Q2 2024
New holding
|
|
|
Farmers Trust CO
|
Jul 14, 2025 Q2 2025 |
29,527
shares
|
$4.24 Million
0.71% of portfolio
|
Q2 2025
Added 98.69%
|
|
|
Degroof Petercam Asset Management
Brussels, C9 |
May 13, 2024 Q1 2024 |
29,300
shares
|
$4.21 Million
0.08% of portfolio
|
Q1 2024
Reduced 27.3%
|
|
|
Cibc World Markets Corp
New York, NY |
Aug 14, 2025 Q2 2025 |
28,878
shares
|
$4.15 Million
0.02% of portfolio
|
Q2 2025
Added 63.84%
|
|
|
Commonwealth Equity Services, LLC
|
Aug 06, 2025 Q2 2025 |
28,551
shares
|
$4.1 Million
0.0% of portfolio
|
Q2 2025
Added 3.9%
|