Institutional Ownership Biogen Inc. (BIIB)
This table provides information about the institutional ownership of Biogen Inc. (BIIB). We have compiled data on the 1,022 institutions that hold shares in the stock, with a total of 126 Million shares, which have been reported (via 13F filing form) to have a value of $16.3 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Two Sigma Investments, LP
New York, NY |
May 15, 2025 Q1 2025 |
879,330
shares
|
$113 Million
0.28% of portfolio
|
Q1 2025
Added 3.17%
|
|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
May 14, 2025 Q1 2025 |
804,506
shares
|
$104 Million
0.18% of portfolio
|
Q1 2025
Reduced 32.52%
|
|
|
Balyasny Asset Management LLC
Chicago, IL |
May 15, 2025 Q1 2025 |
786,219
shares
|
$101 Million
0.19% of portfolio
|
Q1 2025
Added 1615.55%
|
|
|
Man Group PLC
London, X0 |
May 15, 2025 Q1 2025 |
765,321
shares
|
$98.5 Million
0.28% of portfolio
|
Q1 2025
Added 11.47%
|
|
|
Bank Of America Corp
Charlotte, NC |
May 15, 2025 Q1 2025 |
729,856
shares
|
$93.9 Million
0.01% of portfolio
|
Q1 2025
Added 75.35%
|
|
|
Sg Americas Securities, LLC
|
Apr 15, 2025 Q1 2025 |
719,793
shares
|
$92.6 Million
0.32% of portfolio
|
Q1 2025
New holding
|
|
|
Massachusetts Financial Services CO
Boston, MA |
May 02, 2025 Q1 2025 |
708,415
shares
|
$91.2 Million
0.03% of portfolio
|
Q1 2025
Reduced 3.27%
|
|
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
May 15, 2025 Q1 2025 |
677,400
shares
|
$87.2 Million
0.22% of portfolio
|
Q1 2025
Added 26.71%
|
|
|
Allianz Asset Management Gmb H
Munich, 2M |
May 05, 2025 Q1 2025 |
667,767
shares
|
$85.9 Million
0.13% of portfolio
|
Q1 2025
Added 24.59%
|
|
|
First Trust Advisors LP
Wheaton, IL |
May 14, 2025 Q1 2025 |
661,420
shares
|
$85.1 Million
0.08% of portfolio
|
Q1 2025
Added 29.37%
|
|
|
Ubs Group Ag
|
May 13, 2025 Q1 2025 |
646,147
shares
|
$83.2 Million
0.02% of portfolio
|
Q1 2025
Reduced 38.37%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Jun 26, 2025 Q1 2025 |
604,697
shares
|
$77.8 Million
0.01% of portfolio
|
Q1 2025
Reduced 21.5%
|
|
|
Franklin Resources Inc
San Mateo, CA |
May 13, 2025 Q1 2025 |
588,117
shares
|
$75.7 Million
0.02% of portfolio
|
Q1 2025
Added 49.12%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
May 15, 2025 Q1 2025 |
541,764
shares
|
$69.7 Million
0.01% of portfolio
|
Q1 2025
Added 252.57%
|
|
|
Hsbc Holdings PLC
London, X0 |
May 14, 2025 Q1 2025 |
484,029
shares
|
$62.3 Million
0.04% of portfolio
|
Q1 2025
Added 9.76%
|
|
|
Patient Capital Management, LLC
Baltimore, MD |
May 14, 2025 Q1 2025 |
455,605
shares
|
$58.6 Million
3.56% of portfolio
|
Q1 2025
Added 10.06%
|
|
|
Robeco Institutional Asset Management B.V.
|
Jul 18, 2025 Q2 2025 |
448,757
shares
|
$57.8 Million
0.09% of portfolio
|
Q2 2025
Reduced 1.05%
|
|
|
Causeway Capital Management LLC
Los Angeles, CA |
May 14, 2025 Q1 2025 |
433,517
shares
|
$55.8 Million
1.8% of portfolio
|
Q1 2025
Added 53.89%
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
May 15, 2025 Q1 2025 |
423,997
shares
|
$54.6 Million
0.03% of portfolio
|
Q1 2025
Reduced 22.04%
|
|
|
Prudential Financial Inc
Newark, NJ |
May 13, 2025 Q1 2025 |
420,649
shares
|
$54.1 Million
0.09% of portfolio
|
Q1 2025
Reduced 27.01%
|
|
|
Sumitomo Mitsui Trust Holdings, Inc.
|
Apr 25, 2025 Q1 2025 |
416,960
shares
|
$53.7 Million
0.04% of portfolio
|
Q1 2025
Added 6.5%
|
|
|
Squarepoint Ops LLC
New York, NY |
May 15, 2025 Q1 2025 |
415,510
shares
|
$53.5 Million
0.07% of portfolio
|
Q1 2025
Added 11.94%
|
|
|
Swiss National Bank
Zurich, V8 |
May 12, 2025 Q1 2025 |
411,000
shares
|
$52.9 Million
0.04% of portfolio
|
Q1 2025
Reduced 0.12%
|
|
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
May 15, 2025 Q1 2025 |
407,257
shares
|
$52.4 Million
0.14% of portfolio
|
Q1 2025
New holding
|
|
|
Australian Super Pty LTD
|
May 05, 2025 Q1 2025 |
397,697
shares
|
$51.2 Million
0.32% of portfolio
|
Q1 2025
New holding
|