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 |
|---|---|---|---|---|---|
|
Integrated Quantitative Investments LLC
Bellevue, WA |
Aug 08, 2025 Q2 2025 |
2,820
shares
|
$404,952
0.1% of portfolio
|
Q2 2025
Added 8.46%
|
|
|
Kcm Investment Advisors LLC
Greenbrae, CA |
Aug 06, 2025 Q2 2025 |
2,819
shares
|
$404,808
0.01% of portfolio
|
Q2 2025
Reduced 0.7%
|
|
|
Avestar Capital, LLC
|
Aug 13, 2025 Q2 2025 |
2,797
shares
|
$401,649
0.03% of portfolio
|
Q2 2025
Added 28.6%
|
|
|
Aquatic Capital Management LLC
Chicago, IL |
Aug 14, 2025 Q2 2025 |
2,792
shares
|
$400,931
0.01% of portfolio
|
Q2 2025
Reduced 92.08%
|
|
|
Nicolet Bankshares Inc
Green Bay, WI |
Aug 13, 2025 Q2 2025 |
2,790
shares
|
$400,644
0.06% of portfolio
|
Q2 2025
Added 53.63%
|
|
|
Focus Financial Network Inc /Adv
Minneapolis, MN |
Feb 12, 2024 Q4 2023 |
2,777
shares
|
$398,777
0.03% of portfolio
|
Q4 2023
New holding
|
|
|
Kennondale Capital Management LLC
Richmond, VA |
Aug 12, 2025 Q2 2025 |
2,760
shares
|
$396,336
0.35% of portfolio
|
Q4 2024
New holding
|
|
|
Fiduciary Trust CO
Boston, MA |
Aug 13, 2025 Q2 2025 |
2,754
shares
|
$395,474
0.0% of portfolio
|
Q2 2025
Reduced 6.17%
|
|
|
Marathon Trading Investment Management LLC
Radnor, PA |
Aug 07, 2025 Q2 2025 |
2,750
shares
|
$394,900
0.23% of portfolio
|
Q1 2025
Reduced 81.08%
|
|
|
Uncommon Cents Investing LLC
|
Jul 16, 2025 Q2 2025 |
2,739
shares
|
$393,320
0.09% of portfolio
|
Q2 2025
Reduced 20.72%
|
|
|
Klingenstein Fields & CO LP
|
Jul 30, 2025 Q2 2025 |
2,731
shares
|
$392,171
0.01% of portfolio
|
Q4 2024
Reduced 7.61%
|
|
|
Ascent Group, LLC
|
Jul 21, 2025 Q2 2025 |
2,714
shares
|
$389,730
0.01% of portfolio
|
Q2 2025
New holding
|
|
|
Hb Wealth Management, LLC
|
Jul 17, 2025 Q2 2025 |
2,712
shares
|
$389,443
0.0% of portfolio
|
Q2 2025
Added 12.58%
|
|
|
Summit Trail Advisors, LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
2,687
shares
|
$385,853
0.01% of portfolio
|
Q2 2025
New holding
|
|
|
Quarry LP
New York, NY |
Aug 14, 2025 Q2 2025 |
2,681
shares
|
$384,991
0.07% of portfolio
|
Q2 2025
Reduced 28.6%
|
|
|
New Edge Advisors, LLC
New Orleans, LA |
Aug 14, 2025 Q2 2025 |
2,673
shares
|
$383,842
0.0% of portfolio
|
Q2 2025
Added 13.41%
|
|
|
Fernwood Investment Management, LLC
Quincy, MA |
Feb 13, 2025 Q4 2024 |
2,660
shares
|
$381,976
0.14% of portfolio
|
Q4 2024
Reduced 3.62%
|
|
|
Advisor Partners LLC
Walnut Creek, CA |
Aug 11, 2022 Q2 2022 |
2,653
shares
|
$380,970
0.04% of portfolio
|
Q2 2022
Added 45.77%
|
|
|
Summitry LLC
Foster City, CA |
Aug 08, 2025 Q2 2025 |
2,651
shares
|
$380,683
0.02% of portfolio
|
Q2 2025
New holding
|
|
|
Advanced Portfolio Management, LLC
New York, NY |
Aug 13, 2025 Q2 2025 |
2,641
shares
|
$379,247
0.93% of portfolio
|
Q1 2025
New holding
|
|
|
Eagle Global Advisors LLC
Houston, TX |
Jul 16, 2025 Q2 2025 |
2,625
shares
|
$376,950
0.01% of portfolio
|
Q1 2019
Added 0.96%
|
|
|
Enterprise Bank & Trust CO
|
Jul 07, 2025 Q2 2025 |
2,618
shares
|
$375,944
0.12% of portfolio
|
Q2 2025
Reduced 1.69%
|
|
|
Westside Investment Management, Inc.
|
Aug 05, 2025 Q2 2025 |
2,580
shares
|
$370,488
0.06% of portfolio
|
Q2 2025
Reduced 3.01%
|
|
|
Drw Securities, LLC
Chicago, IL |
Aug 14, 2025 Q2 2025 |
2,578
shares
|
$370,200
0.01% of portfolio
|
Q2 2025
New holding
|
|
|
Ocean Capital Management, LLC
|
Aug 04, 2025 Q2 2025 |
2,540
shares
|
$364,744
0.07% of portfolio
|
Q1 2025
Reduced 0.78%
|