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 |
|---|---|---|---|---|---|
|
Price T Rowe Associates Inc
Baltimore, MD |
Nov 14, 2025 Q3 2025 |
965,457
shares
|
$162 Million
0.01% of portfolio
|
Q3 2025
Added 15.77%
|
|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
Nov 13, 2025 Q3 2025 |
964,406
shares
|
$162 Million
0.19% of portfolio
|
Q3 2025
Reduced 7.72%
|
|
|
Man Group PLC
London, X0 |
Nov 14, 2025 Q3 2025 |
918,025
shares
|
$154 Million
0.24% of portfolio
|
Q3 2025
Added 15.72%
|
|
|
Marshall Wace, LLP
London, X0 |
Nov 13, 2025 Q3 2025 |
887,661
shares
|
$149 Million
0.14% of portfolio
|
Q3 2025
Added 434.88%
|
|
|
Dimensional Fund Advisors LP
Austin, TX |
Nov 12, 2025 Q3 2025 |
873,094
shares
|
$146 Million
0.03% of portfolio
|
Q3 2025
Reduced 5.97%
|
|
|
Alyeska Investment Group, L.P.
Chicago, IL |
Nov 14, 2025 Q3 2025 |
845,277
shares
|
$142 Million
0.4% of portfolio
|
Q3 2025
Added 66.14%
|
|
|
First Trust Advisors LP
Wheaton, IL |
Nov 12, 2025 Q3 2025 |
840,557
shares
|
$141 Million
0.09% of portfolio
|
Q3 2025
Reduced 3.81%
|
|
|
Pictet Asset Management Holding Sa
Carouge, V8 |
Nov 18, 2025 Q3 2025 |
770,855
shares
|
$129 Million
0.11% of portfolio
|
Q3 2025
Added 236.12%
|
|
|
Australian Super Pty LTD
|
Nov 12, 2025 Q3 2025 |
751,386
shares
|
$126 Million
0.51% of portfolio
|
Q3 2025
Added 1.62%
|
|
|
Massachusetts Financial Services CO
Boston, MA |
Oct 29, 2025 Q3 2025 |
729,316
shares
|
$122 Million
0.03% of portfolio
|
Q3 2025
Added 1.63%
|
|
|
Robeco Institutional Asset Management B.V.
|
Oct 22, 2025 Q3 2025 |
671,054
shares
|
$112 Million
0.14% of portfolio
|
Q3 2025
Added 49.54%
|
|
|
Ubs Group Ag
|
Nov 13, 2025 Q3 2025 |
638,965
shares
|
$107 Million
0.01% of portfolio
|
Q3 2025
Added 43.37%
|
|
|
Amundi
Paris, I0 |
Nov 14, 2025 Q3 2025 |
618,309
shares
|
$104 Million
0.03% of portfolio
|
Q3 2025
Added 6.64%
|
|
|
Caisse De Depot Et Placement Du Quebec
Montreal, A8 |
Nov 14, 2025 Q3 2025 |
569,253
shares
|
$95.4 Million
0.15% of portfolio
|
Q3 2025
Added 718.16%
|
|
|
Causeway Capital Management LLC
Los Angeles, CA |
Nov 13, 2025 Q3 2025 |
567,518
shares
|
$95.1 Million
1.44% of portfolio
|
Q3 2025
Added 15.03%
|
|
|
Royal Bank Of Canada
Toronto, A6 |
Nov 14, 2025 Q3 2025 |
498,120
shares
|
$83.5 Million
0.01% of portfolio
|
Q2 2025
Added 50.09%
|
|
|
D. E. Shaw & Co., Inc.
New York, NY |
Nov 14, 2025 Q3 2025 |
477,924
shares
|
$80.1 Million
0.04% of portfolio
|
Q3 2025
Reduced 65.02%
|
|
|
Hsbc Holdings PLC
London, X0 |
Nov 13, 2025 Q3 2025 |
447,518
shares
|
$75 Million
0.04% of portfolio
|
Q3 2025
Added 0.96%
|
|
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
Nov 14, 2025 Q3 2025 |
441,082
shares
|
$73.9 Million
0.01% of portfolio
|
Q3 2025
Reduced 25.76%
|
|
|
Prudential Financial Inc
Newark, NJ |
Nov 13, 2025 Q3 2025 |
439,109
shares
|
$73.6 Million
0.08% of portfolio
|
Q3 2025
Added 13.22%
|
|
|
Swiss National Bank
Zurich, V8 |
Nov 13, 2025 Q3 2025 |
422,400
shares
|
$70.8 Million
0.04% of portfolio
|
Q3 2025
Added 2.77%
|
|
|
Sumitomo Mitsui Trust Holdings, Inc.
|
Oct 27, 2025 Q3 2025 |
415,609
shares
|
$69.6 Million
0.03% of portfolio
|
Q3 2025
Added 0.19%
|
|
|
Allianz Asset Management Gmb H
Munich, 2M |
Nov 04, 2025 Q3 2025 |
396,803
shares
|
$66.5 Million
0.07% of portfolio
|
Q3 2025
Reduced 24.71%
|
|
|
Patient Capital Management, LLC
Baltimore, MD |
Oct 29, 2025 Q3 2025 |
396,649
shares
|
$66.5 Million
2.56% of portfolio
|
Q3 2025
Added 23.77%
|
|
|
Arrowstreet Capital, Limited Partnership
Boston, MA |
Nov 13, 2025 Q3 2025 |
380,791
shares
|
$63.8 Million
0.04% of portfolio
|
Q3 2025
Reduced 39.01%
|
|