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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 %
FLII
1101
First Long Island Investors
New York
– -$275K -793 Closed
ABC
1102
Associated Banc-Corp
Wisconsin
– -$256K -739 Closed
ETM
1103
Euclidean Technologies Management
Washington
– -$256K -739 Closed
DS
1104
DRW Securities
Illinois
– -$253K -730 Closed
ARC
1105
Advisor Resource Council
Texas
– -$247K -712 Closed
MP
1106
McDonald Partners
Ohio
– -$245K -707 Closed
FFS
1107
Founders Financial Securities
Maryland
– -$245K -707 Closed
Lido Advisors
1108
Lido Advisors
California
– -$244K -705 Closed
RHBC
1109
R.H. Bluestein & Co
Michigan
– -$244K -705 Closed
EM
1110
Excalibur Management
Massachusetts
– -$236K -682 Closed
PM
1111
Parametrica Management
Hong Kong
– -$236K -680 Closed
MPM
1112
Meritage Portfolio Management
Kansas
– -$234K -677 Closed
MMPW
1113
Mitchell McLeod Pugh & Williams
Alabama
– -$234K -675 Closed
HAIM
1114
Hunter Associates Investment Management
Pennsylvania
– -$232K -670 Closed
MCM
1115
Maple Capital Management
Vermont
– -$229K -670 Closed
KF
1116
Krilogy Financial
Missouri
– -$227K -655 Closed
TNB
1117
Thomasville National Bank
Georgia
– -$225K -650 Closed
FPCM
1118
Financial Partners Capital Management
New York
– -$224K -646 Closed
C
1119
Certuity
Florida
– -$222K -642 Closed
RA
1120
RFG Advisory
Alabama
– -$222K -642 Closed
VWA
1121
V Wealth Advisors
Kansas
– -$220K -636 Closed
MC
1122
Moors & Cabot
Massachusetts
– -$220K -635 Closed
PA
1123
PFG Advisors
Arizona
– -$218K -631 Closed
SCA
1124
Snowden Capital Advisors
New York
– -$216K -623 Closed
GFS
1125
GYL Financial Synergies
Connecticut
– -$215K -620 Closed
43 44
45
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