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Biogen
BIIB

Overview Fund Activity

1,098 hedge funds and large institutions have $43.4B invested in Biogen in 2021 Q2 according to their latest regulatory filings, with 134 funds opening new positions, 321 increasing their positions, 467 reducing their positions, and 110 closing their positions.

Holders
1,098
Holders Change
+9
Holders Change %
+0.83%
% of All Funds
19.17%
Holding in Top 10
27
Holding in Top 10 Change
+14
Holding in Top 10 Change %
+107.69%
% of All Funds
0.47%
New
134
Increased
321
Reduced
467
Closed
110
Calls
$1.8B
Puts
$1.91B
Net Calls
-$111M
Net Calls Change
-$185M

Top Buyers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$1.85B
2
Marshall Wace
2
Marshall Wace
United Kingdom
$226M
3
SC
3
Samlyn Capital
New York
$130M
4
Citadel Advisors
4
Citadel Advisors
Florida
$193M
5
HM
5
HealthCor Management
New York
$117M

Top Sellers

1
Renaissance Technologies
1
Renaissance Technologies
New York
$461M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$468M
3
LSV Asset Management
3
LSV Asset Management
Illinois
$125M
4
Berkshire Hathaway
4
Berkshire Hathaway
Nebraska
$0
5
AQR Capital Management
5
AQR Capital Management
Connecticut
$178M
Name Market Value Shares Shares
Change 		Shares
Change %
SFM
1126
Signet Financial Management
New Jersey
– – -4,119 Closed
Wealth Enhancement Advisory Services
1127
Wealth Enhancement Advisory Services
Minnesota
– – -4,048 Closed
LCM
1128
Laurion Capital Management
New York
– – -4,039 Closed
SEC
1129
Seven Eight Capital
New York
– – -3,760 Closed
KOC
1130
Koss-Olinger Consulting
Florida
– – -3,608 Closed
AFG
1131
American Financial Group
Ohio
– – -3,500 Closed
MS
1132
Maven Securities
Jersey
– – -3,495 Closed
SC
1133
Sepio Capital
Utah
– – -3,407 Closed
BSB
1134
Bangor Savings Bank
Maine
– – -2,709 Closed
WSFS
1135
Wilmington Savings Fund Society
Delaware
– – -2,612 Closed
CWA
1136
Clarus Wealth Advisors
Arizona
– – -2,540 Closed
CW
1137
CreativeOne Wealth
Kansas
– – -2,321 Closed
KOCAA
1138
Knights of Columbus Asset Advisors
Connecticut
– – -2,274 Closed
OWP
1139
Obermeyer Wealth Partners
Colorado
– – -2,028 Closed
PF
1140
Phoenix Financial
Israel
– – -1,849 Closed
PP
1141
Paloma Partners
Connecticut
– – -1,830 Closed
ACG
1142
Allen Capital Group
Nebraska
– – -1,803 Closed
SIA
1143
Strategic Investment Advisors
Michigan
– – -1,694 Closed
MGIA
1144
Moneta Group Investment Advisors
Missouri
– – -1,659 Closed
B
1145
Bailard
California
– – -1,611 Closed
WANY
1146
Wealthspire Advisors (New York)
New York
– – -1,589 Closed
SCM
1147
Stevens Capital Management
Pennsylvania
– – -1,532 Closed
MMG
1148
Monetary Management Group
Missouri
– – -1,475 Closed
SFS
1149
Sowell Financial Services
Arkansas
– – -1,465 Closed
CPSC
1150
Carl P. Sherr & Co
Massachusetts
– – -1,376 Closed
44 45
46
47 48