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 |
|---|---|---|---|---|---|
|
Leo Wealth, LLC
Hurst, TX |
Nov 14, 2025 Q3 2025 |
18,112
shares
|
$3.03 Million
0.33% of portfolio
|
Q3 2025
Reduced 0.06%
|
|
|
Commonwealth Equity Services, LLC
|
Oct 22, 2025 Q3 2025 |
18,017
shares
|
$3.02 Million
0.0% of portfolio
|
Q3 2025
Reduced 36.9%
|
|
|
Adar1 Capital Management, LLC
Austin, TX |
Nov 14, 2025 Q3 2025 |
18,000
shares
|
$3.02 Million
0.24% of portfolio
|
Q3 2025
Added 252.94%
|
|
|
Hourglass Capital, LLC
|
Jan 14, 2026 Q4 2025 |
17,550
shares
|
$2.94 Million
0.68% of portfolio
|
Q4 2025
Reduced 2.34%
|
|
|
Summit Tx Capital, L.P.
Fort Worth, TX |
Nov 14, 2025 Q3 2025 |
17,379
shares
|
$2.91 Million
0.1% of portfolio
|
Q3 2025
Reduced 68.38%
|
|
|
Lombard Odier Asset Management (Switzerland) Sa
Petit Lancy, V8 |
Nov 14, 2025 Q3 2025 |
17,264
shares
|
$2.89 Million
0.11% of portfolio
|
Q3 2025
Added 5.08%
|
|
|
Isam Funds (Uk) LTD
London, X0 |
Nov 14, 2025 Q3 2025 |
17,191
shares
|
$2.88 Million
0.49% of portfolio
|
Q3 2025
Added 279.91%
|
|
|
Yousif Capital Management, LLC
|
Oct 14, 2025 Q3 2025 |
17,076
shares
|
$2.86 Million
0.03% of portfolio
|
Q3 2025
Reduced 13.54%
|
|
|
I A Global Asset Management Inc.
Quebec, A8 |
Oct 30, 2025 Q3 2025 |
16,978
shares
|
$2.84 Million
0.03% of portfolio
|
Q3 2025
Added 4.65%
|
|
|
Oregon Public Employees Retirement Fund
|
Oct 23, 2025 Q3 2025 |
16,741
shares
|
$2.8 Million
0.03% of portfolio
|
Q3 2025
Added 32.89%
|
|
|
Captrust Financial Advisors
Raleigh, NC |
Nov 19, 2025 Q3 2025 |
16,532
shares
|
$2.77 Million
0.0% of portfolio
|
Q3 2025
Added 13.27%
|
|
|
Mutual Of America Capital Management LLC
New York, NY |
Oct 31, 2025 Q3 2025 |
15,929
shares
|
$2.67 Million
0.02% of portfolio
|
Q3 2025
Reduced 5.38%
|
|
|
Synovus Financial Corp
Columbus, GA |
Nov 07, 2025 Q3 2025 |
15,595
shares
|
$2.61 Million
0.03% of portfolio
|
Q3 2025
Reduced 2.32%
|
|
|
Clark Estates Inc
New York, NY |
Nov 10, 2025 Q3 2025 |
15,300
shares
|
$2.56 Million
0.65% of portfolio
|
Q2 2025
Added 29.7%
|
|
|
Banque Cantonale Vaudoise
|
Nov 13, 2025 Q3 2025 |
15,145
shares
|
$2.54 Million
0.08% of portfolio
|
Q3 2025
Reduced 18.05%
|
|
|
Fuller & Thaler Asset Management, Inc.
San Mateo, CA |
Nov 13, 2025 Q3 2025 |
14,899
shares
|
$2.5 Million
0.01% of portfolio
|
Q2 2025
Added 71.89%
|
|
|
Avanza Fonder Ab
Stockholm, V7 |
Jan 12, 2026 Q4 2025 |
14,743
shares
|
$2.47 Million
0.07% of portfolio
|
Q4 2025
Reduced 3.56%
|
|
|
M&T Bank Corp
|
Nov 14, 2025 Q3 2025 |
14,655
shares
|
$2.46 Million
0.01% of portfolio
|
Q3 2025
Reduced 5.46%
|
|
|
Stoneridge Investment Partners LLC
|
Oct 31, 2025 Q3 2025 |
14,599
shares
|
$2.45 Million
1.4% of portfolio
|
Q1 2025
Reduced 56.81%
|
|
|
Gabelli Funds LLC
Rye, NY |
Nov 12, 2025 Q3 2025 |
14,100
shares
|
$2.36 Million
0.01% of portfolio
|
Q3 2024
Reduced 2.08%
|
|
|
Nordea Investment Management Ab
Stockholm, V7 |
Jan 08, 2026 Q4 2025 |
14,022
shares
|
$2.35 Million
0.0% of portfolio
|
Q4 2025
Reduced 89.42%
|
|
|
Blair William & CO
Chicago, IL |
Nov 12, 2025 Q3 2025 |
14,020
shares
|
$2.35 Million
0.01% of portfolio
|
Q3 2025
Reduced 5.55%
|
|
|
E Fund Management Co., Ltd.
Guangzhou, F4 |
Aug 14, 2025 Q2 2025 |
13,810
shares
|
$2.31 Million
0.08% of portfolio
|
Q2 2025
Added 3.16%
|
|
|
Oppenheimer & CO Inc
New York, NY |
Nov 05, 2025 Q3 2025 |
13,610
shares
|
$2.28 Million
0.02% of portfolio
|
Q3 2025
Added 501.15%
|
|
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
Nov 14, 2025 Q3 2025 |
13,500
shares
|
$2.26 Million
0.0% of portfolio
|
Q3 2025
Reduced 97.04%
|
|