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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 %
TC
1076
Telemus Capital
Michigan
– -$785K -2,267 Closed
ANTB
1077
AMG National Trust Bank
Colorado
– -$780K -2,251 Closed
CASB
1078
Cape Ann Savings Bank
Massachusetts
– -$778K -2,249 Closed
CL
1079
CSS LLC
Illinois
– -$634K -1,832 Closed
ONGA
1080
O'Neil Global Advisors
California
– -$599K -1,730 Closed
SCA
1081
Sippican Capital Advisors
Massachusetts
– -$494K -1,426 Closed
Holocene Advisors
1082
Holocene Advisors
New York
– -$474K -1,370 Closed
QAM
1083
QCI Asset Management
New York
– -$471K -1,359 Closed
AIA
1084
Avalon Investment & Advisory
Texas
– -$429K -1,239 Closed
GF
1085
Gries Financial
Ohio
– -$411K -1,215 Closed
FFA
1086
Founders Financial Alliance
North Carolina
– -$407K -1,175 Closed
LSAG
1087
Lake Street Advisors Group
New Hampshire
– -$384K -1,126 Closed
JSL
1088
JT Stratford LLC
Georgia
– -$387K -1,117 Closed
JF
1089
Jump Financial
Illinois
– -$372K -1,074 Closed
MSA
1090
Marino Stram & Associates
Massachusetts
– -$363K -1,048 Closed
SAM
1091
Silvercrest Asset Management
New York
– -$361K -1,042 Closed
FWM
1092
Frontier Wealth Management
Missouri
– -$338K -977 Closed
GCC
1093
Game Creek Capital
Massachusetts
– -$329K -950 Closed
RIG
1094
RiverFront Investment Group
Virginia
– -$324K -935 Closed
BCM
1095
BTR Capital Management
California
– -$322K -929 Closed
ER
1096
Enlightenment Research
Florida
– -$312K -900 Closed
NB
1097
Nicolet Bankshares
Wisconsin
– -$307K -888 Closed
IEFM
1098
IQ EQ Fund Management
Ireland
– -$290K -838 Closed
MIH
1099
Meitav Investment House
Israel
– -$282K -815 Closed
LIM
1100
Leavell Investment Management
Alabama
– -$224K -800 Closed
42 43
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