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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 %
FNBOSM
1026
First National Bank of South Miami
Florida
$1K – – –
MAM
1027
McCarthy Asset Management
California
$1K – – –
TFGT
1028
TS Financial Group (TSFG)
Illinois
$1K – – –
EWM
1029
Edge Wealth Management
New York
$1K +$1K +5 New
VCWA
1030
Vanguard Capital Wealth Advisors
Colorado
$665 -$99 -350 -13%
GFPC
1031
Global Financial Private Client
Florida
$568 – – –
VR
1032
Viridian RIA
Washington
$283 +$283 +100 New
Capital World Investors
1033
Capital World Investors
California
– -$115M -330,992 Closed
Lord, Abbett & Co
1034
Lord, Abbett & Co
New Jersey
– -$65M -187,722 Closed
APM
1035
Avidity Partners Management
Texas
– -$63.7M -183,900 Closed
RSCM
1036
Rock Springs Capital Management
Maryland
– -$39.3M -113,500 Closed
FAM
1037
Fred Alger Management
New York
– -$29.6M -85,613 Closed
MVP
1038
Miller Value Partners
Florida
– -$27.5M -79,493 Closed
SI
1039
Scout Investments
Missouri
– -$26M -75,007 Closed
Alyeska Investment Group
1040
Alyeska Investment Group
Illinois
– -$22.6M -65,367 Closed
JCAM
1041
Jericho Capital Asset Management
New York
– -$17M -49,000 Closed
E
1042
Ergoteles
New York
– -$13.6M -39,277 Closed
IHAM
1043
Integral Health Asset Management
New York
– -$12.1M -35,000 Closed
GTC
1044
Ghost Tree Capital
New York
– -$11.3M -32,500 Closed
BP
1045
Broadleaf Partners
Ohio
– -$8.59M -24,812 Closed
SFM
1046
Sphera Funds Management
Israel
– -$8.31M -23,995 Closed
WAM
1047
Wilsey Asset Management
California
– -$7.86M -22,708 Closed
SGH
1048
Sivik Global Healthcare
Connecticut
– -$6.93M -20,000 Closed
MC
1049
Muhlenkamp & Co
Pennsylvania
– -$6.31M -18,218 Closed
MIA
1050
MainStreet Investment Advisors
Illinois
– -$4.91M -14,172 Closed
40 41
42
43 44