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Biogen
BIIB

Overview Fund Activity

956 hedge funds and large institutions have $32B invested in Biogen in 2023 Q3 according to their latest regulatory filings, with 91 funds opening new positions, 331 increasing their positions, 342 reducing their positions, and 118 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
956
Holders Change
-43
Holders Change %
-4.3%
% of All Funds
15.24%
Holding in Top 10
14
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-22.22%
% of All Funds
0.22%
New
91
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
T. Rowe Price Investment Management
Maryland
$1.22B
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$1.28B
3
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
$115M
4
VanEck Associates
VanEck Associates
New York
$306M
5
Macquarie Group
Macquarie Group
Australia
$70.2M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$350M
2
LAM
L2 Asset Management
Massachusetts
$2.29M
3
FCM
Farallon Capital Management
California
$0
4
Point72 Asset Management
Point72 Asset Management
Connecticut
$12.4M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
$71.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
CAM
951
ClariVest Asset Management
California
$1K +$1K +2 New
NC
952
NewSquare Capital
Pennsylvania
$771 -$2.06K -8 -73%
Kayne Anderson Rudnick Investment Management
953
Kayne Anderson Rudnick Investment Management
California
$771 – – –
WWM
954
Wolff Wiese Magana
California
$515 – – –
CCA
955
Column Capital Advisors
Indiana
$514 -$2.31K -9 -82%
WA
956
WestEnd Advisors
North Carolina
$514 +$514 +2 New
FCM
957
Farallon Capital Management
California
– -$172M -604,098 Closed
FAM
958
Fred Alger Management
New York
– -$35.9M -125,980 Closed
B
959
Braidwell
Connecticut
– -$34.7M -121,942 Closed
ERSOT
960
Employees Retirement System of Texas
Texas
– -$30.8M -108,000 Closed
SCM
961
Segantii Capital Management
Hong Kong
– -$28.5M -100,000 Closed
LGM
962
Logos Global Management
California
– -$28.5M -100,000 Closed
Connor, Clark & Lunn Investment Management (CC&L)
963
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
– -$15.4M -54,037 Closed
CI
964
Clal Insurance
Israel
– -$15.1M -53,000 Closed
AGP
965
Artia Global Partners
Florida
– -$14.9M -52,275 Closed
PMEF
966
Point72 Middle East FZE
United Arab Emirates
– -$12.1M -42,500 Closed
AAA
967
Affinity Asset Advisors
New York
– -$11.4M -40,000 Closed
CAM
968
Centre Asset Management
New York
– -$9.88M -34,686 Closed
Twin Tree Management
969
Twin Tree Management
Texas
– -$8.42M -29,552 Closed
BC
970
Brookfield Corp
Ontario, Canada
– -$7.49M -26,305 Closed
PMAM
971
Picton Mahoney Asset Management
Ontario, Canada
– -$5.19M -18,202 Closed
BCM
972
Brookstone Capital Management
Illinois
– -$4.12M -14,994 Closed
MAM
973
Meeder Asset Management
Ohio
– -$3.48M -12,210 Closed
OTPPB
974
Ontario Teachers' Pension Plan Board
Ontario, Canada
– -$3.05M -10,719 Closed
TA
975
TKG Advisors
Indiana
– -$3.05M -10,717 Closed
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