BIIB icon

Biogen
BIIB

Overview Fund Activity

1,089 hedge funds and large institutions have $35.6B invested in Biogen in 2021 Q1 according to their latest regulatory filings, with 140 funds opening new positions, 357 increasing their positions, 406 reducing their positions, and 99 closing their positions.

Holders
1,089
Holders Change
+33
Holders Change %
+3.13%
% of All Funds
19.18%
Holding in Top 10
13
Holding in Top 10 Change
+6
Holding in Top 10 Change %
+85.71%
% of All Funds
0.23%
New
140
Increased
357
Reduced
406
Closed
99
Calls
$1.45B
Puts
$1.37B
Net Calls
+$74.1M
Net Calls Change
-$267M

Top Buyers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$1.09B
2
Primecap Management
2
Primecap Management
California
$4.69B
3
SAM
3
Southeastern Asset Management
Tennessee
$169M
4
ClearBridge Investments
4
ClearBridge Investments
New York
$1.11B
5
A
5
AustralianSuper
Australia
$142M

Top Sellers

1
Renaissance Technologies
1
Renaissance Technologies
New York
$542M
2
O
2
OrbiMed
New York
$22.9M
3
Susquehanna International Group
3
Susquehanna International Group
Pennsylvania
$72.9M
4
Marshall Wace
4
Marshall Wace
United Kingdom
$45.5M
5
State Street
5
State Street
Massachusetts
$1.87B
Name Market Value Shares Shares
Change 		Shares
Change %
OIM
1176
Oder Investment Management
California
– – -78 Closed
BWA
1177
Burt Wealth Advisors
Maryland
– – -77 Closed
BC
1178
Belmont Capital
California
– – -75 Closed
CTFG
1179
Capstone Triton Financial Group
Oklahoma
– – -75 Closed
CCA
1180
Childress Capital Advisors
Texas
– – -58 Closed
SIAG
1181
Safeguard Investment Advisory Group
California
– – -25 Closed
GC
1182
Globeflex Capital
California
– – -24 Closed
CWM
1183
Curi Wealth Management
North Carolina
– – -21 Closed
SIM
1184
Seaview Investment Managers
Florida
– – -20 Closed
M
1185
MOTCO
Texas
– – -16 Closed
AWG
1186
Altus Wealth Group
Colorado
– – -10 Closed
IA
1187
Inspire Advisors
Idaho
– – -5 Closed
CMA
1188
Cedar Mountain Advisors
Oregon
– – -1 Closed
CAC
1189
Cowen and Company
New York
– – – –
PCM
1190
Prelude Capital Management
New York
– – – –
MP
1191
Mangrove Partners
Connecticut
– – – –
CCM
1192
CAAS Capital Management
New York
– – – –
WP
1193
Waycross Partners
Kentucky
– – – –
EC
1194
EcoR1 Capital
California
– – – –
PA
1195
Perceptive Advisors
New York
– – – –
APM
1196
Avidity Partners Management
Texas
– – – –
HH
1197
HWG Holdings
Texas
– – – –
DAM
1198
DLD Asset Management
New York
– – – –
CC
1199
Clearline Capital
New York
– – – –
44 45 46 47
48