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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.

New
Increased
Maintained
Reduced
Closed
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 Holding Trade Value Shares
Change 		Shares
Change %
TFA
1076
Transamerica Financial Advisors
Florida
$2K +$667 +2 +50%
BBHC
1077
Brown Brothers Harriman & Co
New York
$1.77K +$356 +1,271 +25%
MAM
1078
McCarthy Asset Management
California
$1K – – –
TFGT
1079
TS Financial Group (TSFG)
Illinois
$1K – – –
HFA
1080
Hoover Financial Advisors
Pennsylvania
$1K +$1K +3 New
RWB
1081
RMR Wealth Builders
New Jersey
$1K +$1K +4 New
BMD
1082
Better Money Decisions
New Mexico
$1K +$1K +5 New
KFP
1083
KB Financial Partners
New Jersey
$1K +$1K +5 New
WWM
1084
Wagner Wealth Management
South Carolina
$1K +$1K +5 New
SWG
1085
Summit Wealth Group
Vermont
$1K +$1K +5 New
GFPC
1086
Global Financial Private Client
Florida
$557 – – –
MIH
1087
Meitav Investment House
Israel
$449 -$72 -259 -14%
SWM
1088
Sugarloaf Wealth Management
Georgia
$6 – – –
Arrowstreet Capital
1089
Arrowstreet Capital
Massachusetts
– -$77.5M -316,606 Closed
CCM
1090
Camber Capital Management
Massachusetts
– -$49M -200,000 Closed
SM
1091
Sabby Management
Florida
– -$28.6M -116,970 Closed
JAM
1092
Jupiter Asset Management
United Kingdom
– -$16.3M -66,719 Closed
E
1093
Ergoteles
New York
– -$12.8M -52,452 Closed
AI
1094
Atom Investors
Texas
– -$10.4M -42,471 Closed
HF
1095
HRT Financial
New York
– -$6.93M -28,316 Closed
Qube Research & Technologies (QRT)
1096
Qube Research & Technologies (QRT)
United Kingdom
– -$6.89M -28,151 Closed
MSA
1097
Mason Street Advisors
Wisconsin
– -$5.2M -21,228 Closed
Hudson Bay Capital Management
1098
Hudson Bay Capital Management
Connecticut
– -$4.9M -20,000 Closed
Capstone Investment Advisors
1099
Capstone Investment Advisors
New York
– -$4.61M -18,842 Closed
NB
1100
Northwest Bancshares
Pennsylvania
– -$3.31M -13,509 Closed
42 43
44
45 46