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Biogen
BIIB

Overview Fund Activity

955 hedge funds and large institutions have $32B invested in Biogen in 2023 Q3 according to their latest regulatory filings, with 90 funds opening new positions, 331 increasing their positions, 342 reducing their positions, and 118 closing their positions.

Holders
955
Holders Change
-44
Holders Change %
-4.4%
% of All Funds
15.23%
Holding in Top 10
14
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-22.22%
% of All Funds
0.22%
New
90
Increased
331
Reduced
342
Closed
118
Calls
$575M
Puts
$517M
Net Calls
+$57.3M
Net Calls Change
+$102M

Top Buyers

1
T. Rowe Price Investment Management
1
T. Rowe Price Investment Management
Maryland
$1.22B
2
Pictet Asset Management
2
Pictet Asset Management
Switzerland
$312M
3
JPMorgan Chase & Co
3
JPMorgan Chase & Co
New York
$1.28B
4
Massachusetts Financial Services
4
Massachusetts Financial Services
Massachusetts
$115M
5
VanEck Associates
5
VanEck Associates
New York
$306M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$350M
2
LAM
2
L2 Asset Management
Massachusetts
$2.29M
3
FCM
3
Farallon Capital Management
California
$0
4
Point72 Asset Management
4
Point72 Asset Management
Connecticut
$12.4M
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$71.7M
Name Market Value Shares Shares
Change 		Shares
Change %
Primecap Management
1
Primecap Management
California
$4.12B 16,012,566 -13,310 -0.1%
BlackRock
2
BlackRock
New York
$3.59B 13,974,587 -91,407 -0.6%
Vanguard Group
3
Vanguard Group
Pennsylvania
$3.13B 12,188,586 -7,850 -0.1%
State Street
4
State Street
Massachusetts
$1.76B 6,865,654 -19,561 -0.3%
Wellington Management Group
5
Wellington Management Group
Massachusetts
$1.38B 5,374,310 +27,951 +0.5%
JPMorgan Chase & Co
6
JPMorgan Chase & Co
New York
$1.28B 4,985,752 +514,565 +12%
T. Rowe Price Investment Management
7
T. Rowe Price Investment Management
Maryland
$1.22B 4,754,991 +1,355,921 +40%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$830M 3,236,887 +53,208 +2%
ClearBridge Investments
9
ClearBridge Investments
New York
$469M 1,823,182 -4,482 -0.2%
Northern Trust
10
Northern Trust
Illinois
$422M 1,643,035 +45,437 +3%
Norges Bank
11
Norges Bank
Norway
$393M 1,529,096 +89,871 +6%
Morgan Stanley
12
Morgan Stanley
New York
$384M 1,493,113 +61,814 +4%
Bank of New York Mellon
13
Bank of New York Mellon
New York
$368M 1,430,132 -39,363 -3%
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$355M 1,381,215 +35,473 +3%
Fidelity Investments
15
Fidelity Investments
Massachusetts
$350M 1,361,051 -1,279,470 -48%
Legal & General Group
16
Legal & General Group
United Kingdom
$344M 1,339,078 -30,443 -2%
Pictet Asset Management
17
Pictet Asset Management
Switzerland
$312M 1,212,482 +1,212,482 New
VanEck Associates
18
VanEck Associates
New York
$306M 1,189,546 +233,889 +24%
Invesco
19
Invesco
Georgia
$304M 1,181,374 +189,368 +19%
T. Rowe Price Associates
20
T. Rowe Price Associates
Maryland
$299M 1,163,530 +34,888 +3%
Amundi
21
Amundi
France
$287M 1,093,524 -93,789 -8%
Renaissance Technologies
22
Renaissance Technologies
New York
$279M 1,086,397 -23,140 -2%
UBS AM
23
UBS AM
Illinois
$274M 1,065,518 -49,084 -4%
BGC
24
Beutel, Goodman & Co
Ontario, Canada
$257M 999,276 -70 -0%
Deutsche Bank
25
Deutsche Bank
Germany
$241M 936,482 -268,701 -22%
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