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 |
|---|---|---|---|---|---|
|
Quadrant Capital Group LLC
Cincinnati, OH |
Nov 13, 2025 Q3 2025 |
8,528
shares
|
$1.43 Million
0.04% of portfolio
|
Q3 2025
Added 4.36%
|
|
|
Groupama Asset Managment
Paris, I0 |
Dec 01, 2025 Q3 2025 |
8,524
shares
|
$1.43 Million
0.02% of portfolio
|
Q3 2025
Reduced 4.42%
|
|
|
Missouri Trust & Investment CO
Springfield, MO |
Nov 06, 2025 Q3 2025 |
8,425
shares
|
$1.41 Million
0.35% of portfolio
|
Q3 2025
Added 7.87%
|
|
|
Merit Financial Group, LLC
|
Nov 07, 2025 Q3 2025 |
8,367
shares
|
$1.4 Million
0.01% of portfolio
|
Q3 2025
Reduced 0.01%
|
|
|
Capstone Investment Advisors, LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
8,271
shares
|
$1.39 Million
0.0% of portfolio
|
Q3 2025
Added 38.17%
|
|
|
Keybank National Association
|
Nov 04, 2025 Q3 2025 |
8,254
shares
|
$1.38 Million
0.0% of portfolio
|
Q3 2025
Added 1.99%
|
|
|
Cairn Investment Group, Inc.
|
Oct 28, 2025 Q3 2025 |
8,204
shares
|
$1.37 Million
0.52% of portfolio
|
Q3 2025
Reduced 0.85%
|
|
|
Jacobi Capital Management LLC
|
Nov 07, 2025 Q3 2025 |
8,125
shares
|
$1.36 Million
0.07% of portfolio
|
Q3 2025
Added 2.03%
|
|
|
Csm Advisors, LLC
Pittsburgh, PA |
Nov 14, 2025 Q3 2025 |
7,971
shares
|
$1.34 Million
0.03% of portfolio
|
Q3 2025
Reduced 70.97%
|
|
|
Gulf International Bank (Uk) LTD
|
Nov 13, 2025 Q3 2025 |
7,924
shares
|
$1.33 Million
0.04% of portfolio
|
Q1 2025
Reduced 30.02%
|
|
|
Css LLC
Chicago, IL |
Nov 13, 2025 Q3 2025 |
7,750
shares
|
$1.3 Million
0.12% of portfolio
|
Q3 2025
Added 11.99%
|
|
|
Whittier Trust CO Of Nevada Inc
|
Oct 31, 2025 Q3 2025 |
7,721
shares
|
$1.29 Million
0.02% of portfolio
|
Q3 2025
Reduced 0.32%
|
|
|
Krilogy Financial LLC
|
Nov 06, 2025 Q3 2025 |
7,707
shares
|
$1.29 Million
0.04% of portfolio
|
Q3 2025
New holding
|
|
|
Squarepoint Ops LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
7,628
shares
|
$1.28 Million
0.0% of portfolio
|
Q3 2025
Reduced 79.47%
|
|
|
Louisiana State Employees Retirement System
|
Jan 16, 2026 Q4 2025 |
7,500
shares
|
$1.26 Million
0.02% of portfolio
|
Q4 2025
Reduced 59.24%
|
|
|
Orion Portfolio Solutions, LLC
|
May 15, 2025 Q1 2025 |
7,466
shares
|
$1.25 Million
0.01% of portfolio
|
Q1 2025
Added 9.06%
|
|
|
Buckingham Strategic Partners
Saint Louis, MO |
Nov 12, 2025 Q3 2025 |
7,387
shares
|
$1.24 Million
0.01% of portfolio
|
Q3 2025
Added 17.05%
|
|
|
Maryland State Retirement & Pension System
|
Oct 28, 2025 Q3 2025 |
7,381
shares
|
$1.24 Million
0.02% of portfolio
|
Q3 2025
Added 8.4%
|
|
|
B. Metzler Seel. Sohn & Co. Holding Ag
Frankfurt, 2M |
Nov 08, 2024 Q3 2024 |
7,361
shares
|
$1.23 Million
0.01% of portfolio
|
Q3 2024
Reduced 21.31%
|
|
|
Allspring Global Investments Holdings, LLC
|
Jan 15, 2026 Q4 2025 |
7,286
shares
|
$1.22 Million
0.0% of portfolio
|
Q4 2025
Added 3.76%
|
|
|
Mml Investors Services, LLC
Springfield, MA |
Nov 14, 2025 Q3 2025 |
7,286
shares
|
$1.22 Million
0.0% of portfolio
|
Q3 2025
Reduced 14.88%
|
|
|
Linden Thomas Advisory Services, LLC
Charlotte, NC |
Jan 16, 2026 Q4 2025 |
7,264
shares
|
$1.22 Million
0.13% of portfolio
|
Q4 2025
Reduced 4.33%
|
|
|
Koss Olinger Consulting, LLC
|
Oct 20, 2025 Q3 2025 |
7,256
shares
|
$1.22 Million
0.08% of portfolio
|
Q2 2025
Reduced 0.58%
|
|
|
Brown Advisory Inc
|
Nov 14, 2025 Q3 2025 |
7,213
shares
|
$1.21 Million
0.0% of portfolio
|
Q3 2025
Reduced 0.25%
|
|
|
First Republic Investment Management, Inc.
San Francisco, CA |
Nov 07, 2023 Q3 2023 |
7,209
shares
|
$1.21 Million
0.01% of portfolio
|
Q3 2023
New holding
|
|