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 |
|---|---|---|---|---|---|
|
Fayez Sarofim & CO
Houston, TX |
Nov 14, 2025 Q3 2025 |
2,300
shares
|
$385,365
0.0% of portfolio
|
Q2 2023
Reduced 68.97%
|
|
|
Flagship Harbor Advisors, LLC
|
Nov 05, 2025 Q3 2025 |
2,299
shares
|
$385,197
0.02% of portfolio
|
Q2 2024
Reduced 32.23%
|
|
|
Harbor Capital Advisors, Inc.
|
Oct 15, 2025 Q3 2025 |
2,298
shares
|
$385,029
0.03% of portfolio
|
Q3 2025
Added 2.54%
|
|
|
Sivia Capital Partners, LLC
Mill Valley, CA |
Oct 20, 2025 Q3 2025 |
2,298
shares
|
$385,029
0.09% of portfolio
|
Q3 2025
Added 33.84%
|
|
|
Sawtooth Solutions, LLC
|
Jan 29, 2024 Q4 2023 |
2,291
shares
|
$383,857
0.02% of portfolio
|
Q4 2023
Added 13.36%
|
|
|
Huntington National Bank
Columbus, OH |
Nov 12, 2025 Q3 2025 |
2,285
shares
|
$382,851
0.0% of portfolio
|
Q3 2025
Added 11.46%
|
|
|
Great Valley Advisor Group, Inc.
|
Nov 14, 2025 Q3 2025 |
2,272
shares
|
$380,673
0.01% of portfolio
|
Q3 2025
Added 9.44%
|
|
|
Voleon Capital Management LP
Berkeley, CA |
Nov 14, 2025 Q3 2025 |
2,253
shares
|
$377,490
0.01% of portfolio
|
Q3 2025
New holding
|
|
|
Philadelphia Trust CO
Philadelphia, PA |
Nov 13, 2025 Q3 2025 |
2,250
shares
|
$376,987
0.02% of portfolio
|
Q1 2025
Added 12.5%
|
|
|
Richwood Investment Advisors, LLC
|
Oct 16, 2025 Q3 2025 |
2,247
shares
|
$376,484
0.25% of portfolio
|
Q3 2025
Reduced 0.04%
|
|
|
Ever Source Wealth Advisors, LLC
|
Nov 10, 2025 Q3 2025 |
2,247
shares
|
$376,484
0.01% of portfolio
|
Q3 2025
Added 12.13%
|
|
|
Sanctuary Advisors, LLC
Indianapolis, IN |
Jan 06, 2026 Q3 2025 |
2,239
shares
|
$375,144
0.0% of portfolio
|
Q3 2025
Added 69.58%
|
|
|
Atom Investors LP
Austin, TX |
Nov 14, 2025 Q3 2025 |
2,222
shares
|
$372,296
0.02% of portfolio
|
Q3 2025
New holding
|
|
|
Empirical Financial Services, LLC D.B.A. Empirical Wealth Management
|
Jan 15, 2026 Q4 2025 |
2,218
shares
|
$371,625
0.01% of portfolio
|
Q4 2025
Added 51.4%
|
|
|
Independent Advisor Alliance
|
Nov 04, 2025 Q3 2025 |
2,171
shares
|
$363,751
0.01% of portfolio
|
Q3 2025
New holding
|
|
|
Navellier & Associates Inc
Reno, NV |
Nov 06, 2025 Q3 2025 |
2,164
shares
|
$362,578
0.03% of portfolio
|
Q3 2023
New holding
|
|
|
Callan Family Office, LLC
Radnor, PA |
Nov 04, 2025 Q3 2025 |
2,152
shares
|
$360,567
0.01% of portfolio
|
Q3 2025
Reduced 12.31%
|
|
|
Philip James Wealth Mangement, LLC
Milton, GA |
Oct 24, 2025 Q3 2025 |
2,146
shares
|
$359,562
0.04% of portfolio
|
Q3 2025
New holding
|
|
|
Summit Wealth Group LLC / CO
Colorado Springs, CO |
Nov 14, 2025 Q3 2025 |
2,146
shares
|
$359,562
0.18% of portfolio
|
Q3 2025
New holding
|
|
|
Evercore Wealth Management, LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
2,142
shares
|
$358,892
0.0% of portfolio
|
Q1 2024
Reduced 0.37%
|
|
|
Callan Capital, LLC
La Jolla, CA |
Apr 29, 2025 Q1 2025 |
2,131
shares
|
$357,049
0.02% of portfolio
|
Q1 2025
Added 2.7%
|
|
|
111 Capital
Paris, I0 |
Nov 12, 2025 Q3 2025 |
2,130
shares
|
$356,881
0.06% of portfolio
|
Q3 2025
Reduced 50.08%
|
|
|
Kestra Advisory Services, LLC
|
Nov 13, 2025 Q3 2025 |
2,122
shares
|
$355,541
0.0% of portfolio
|
Q3 2025
Reduced 4.71%
|
|
|
Flputnam Investment Management CO
Portland, ME |
Oct 10, 2025 Q3 2025 |
2,121
shares
|
$355,373
0.0% of portfolio
|
Q3 2025
Added 12.22%
|
|
|
Camelot Portfolios, LLC
|
Nov 17, 2025 Q3 2025 |
2,100
shares
|
$351,855
0.18% of portfolio
|
Q3 2025
New holding
|
|