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Biogen
BIIB

Overview Fund Activity

1,033 hedge funds and large institutions have $34.8B invested in Biogen in 2021 Q3 according to their latest regulatory filings, with 72 funds opening new positions, 349 increasing their positions, 395 reducing their positions, and 124 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,033
Holders Change
-65
Holders Change %
-5.92%
% of All Funds
18.14%
Holding in Top 10
15
Holding in Top 10 Change
-12
Holding in Top 10 Change %
-44.44%
% of All Funds
0.26%
New
72
Increased
349
Reduced
395
Closed
124
Calls
$1.24B
Puts
$1.7B
Net Calls
-$467M
Net Calls Change
-$356M

Top Buyers

1
BlackRock
BlackRock
New York
$3.93B
2
BGC
Beutel, Goodman & Co
Ontario, Canada
$156M
3
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
$213M
4
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$1.59B
5
Amundi
Amundi
France
$242M

Top Sellers

1
Marshall Wace
Marshall Wace
United Kingdom
$3.23M
2
D.E. Shaw & Co
D.E. Shaw & Co
New York
$107M
3
Capital World Investors
Capital World Investors
California
$0
4
Renaissance Technologies
Renaissance Technologies
New York
$278M
5
Northern Trust
Northern Trust
Illinois
$498M
Name Holding Trade Value Shares
Change 		Shares
Change %
6M
1051
6 Meridian
Kansas
– -$4.45M -12,862 Closed
Twin Tree Management
1052
Twin Tree Management
Texas
– -$4.42M -12,777 Closed
BCM
1053
Bayesian Capital Management
New York
– -$3.98M -11,500 Closed
GTCM
1054
Gyon Technologies Capital Management
New Jersey
– -$2.93M -8,458 Closed
PS
1055
Pensionfund Sabic
Netherlands
– -$2.91M -8,400 Closed
HI
1056
Hendershot Investments
Virginia
– -$2.67M -7,721 Closed
CIA
1057
Cohen Investment Advisors
New Hampshire
– -$1.97M -5,674 Closed
WAM
1058
Weiss Asset Management
Massachusetts
– -$1.94M -5,612 Closed
GPCM
1059
Granite Point Capital Management
Massachusetts
– -$1.73M -5,000 Closed
PC
1060
Prairiewood Capital
North Dakota
– -$1.7M -4,920 Closed
IAIM
1061
International Assets Investment Management
Florida
– -$238K -4,676 Closed
HI
1062
Hoey Investments
Pennsylvania
– -$1.54M -4,433 Closed
ACM
1063
Argent Capital Management
Missouri
– -$1.48M -4,262 Closed
SM
1064
Sabby Management
Florida
– -$1.39M -4,000 Closed
CAC
1065
Cowen and Company
New York
– -$1.35M -3,907 Closed
SB
1066
Simmons Bank
Arkansas
– -$1.27M -3,680 Closed
MCM
1067
Mainstay Capital Management
Michigan
– -$1.25M -3,615 Closed
B
1068
BP
United Kingdom
– -$1.21M -3,484 Closed
XWM
1069
Xcel Wealth Management
Florida
– -$1.2M -3,460 Closed
CM
1070
Crestline Management
Texas
– -$988K -2,852 Closed
GGHC
1071
Gilder Gagnon Howe & Co
New York
– -$967K -2,794 Closed
CCIA
1072
Campbell & Co Investment Adviser
Maryland
– -$900K -2,600 Closed
QSS
1073
Quantitative Systematic Strategies
Florida
– -$899K -2,597 Closed
TW
1074
TrinityPoint Wealth
Connecticut
– -$820K -2,368 Closed
SPC
1075
Sigma Planning Corp
Michigan
– -$819K -2,365 Closed
41 42
43
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