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Biogen
BIIB

Overview Fund Activity

1,098 hedge funds and large institutions have $43.4B invested in Biogen in 2021 Q2 according to their latest regulatory filings, with 134 funds opening new positions, 321 increasing their positions, 467 reducing their positions, and 110 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,098
Holders Change
+9
Holders Change %
+0.83%
% of All Funds
19.17%
Holding in Top 10
27
Holding in Top 10 Change
+14
Holding in Top 10 Change %
+107.69%
% of All Funds
0.47%
New
134
Increased
321
Reduced
467
Closed
110
Calls
$1.8B
Puts
$1.91B
Net Calls
-$111M
Net Calls Change
-$185M

Top Buyers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$1.85B
2
Marshall Wace
Marshall Wace
United Kingdom
$226M
3
SC
Samlyn Capital
New York
$130M
4
Citadel Advisors
Citadel Advisors
Florida
$193M
5
HM
HealthCor Management
New York
$117M

Top Sellers

1
Renaissance Technologies
Renaissance Technologies
New York
$461M
2
Fidelity Investments
Fidelity Investments
Massachusetts
$468M
3
LSV Asset Management
LSV Asset Management
Illinois
$125M
4
Berkshire Hathaway
Berkshire Hathaway
Nebraska
$0
5
AQR Capital Management
AQR Capital Management
Connecticut
$178M
Name Holding Trade Value Shares
Change 		Shares
Change %
CSPIA
976
Cary Street Partners Investment Advisory
Virginia
$42K +$1.75K +5 +4%
KTC
977
Kistler-Tiffany Companies
Pennsylvania
$41K – – –
FHC
978
First Horizon Corporation
Tennessee
$41K +$6.55K +19 +19%
TI
979
tru Independence
Oregon
$41K +$41K +119 New
LCM
980
Logan Capital Management
Pennsylvania
$40K – – –
HFM
981
Hartford Financial Management
Connecticut
$40K – – –
SSB
982
Sandy Spring Bank
Maryland
$40K – – –
GLLW
983
Graves Light Lenhart Wealth
Virginia
$40K +$31.7K +91 +379%
BU
984
BBVA USA
Alabama
$40K +$40K +115 New
BWM
985
BerganKDV Wealth Management
Minnesota
$39K – – –
ST
986
Smithfield Trust
Pennsylvania
$39K – – –
TFO
987
Tarbox Family Office
California
$39K +$6.16K +18 +19%
WWM
988
Wagner Wealth Management
South Carolina
$39K +$37.3K +107 +2,140%
AIM
989
Anchor Investment Management
South Carolina
$38.1K – – –
MHR
990
Matthew Hamilton Rosenberg
$38K – – –
SN
991
Sittner & Nelson
Oregon
$38K – – –
PCG
992
Private Capital Group
Connecticut
$37K -$34.2K -99 -48%
CLOS
993
Compagnie Lombard Odier SCmA
Switzerland
$35K -$17.5K -50 -33%
SNT
994
Security National Trust
West Virginia
$35K – – –
AFS
995
Annapolis Financial Services
Maryland
$35K – – –
ANBT
996
American National Bank & Trust
Texas
$35K – – –
DAM
997
Delta Asset Management
Tennessee
$35K – – –
KFAA
998
Klaas Financial Asset Advisors
Illinois
$35K – – –
VNA
999
Valley National Advisers
Pennsylvania
$35K +$7.21K +21 +26%
BBL
1000
Beck Bode LLC
Massachusetts
$35K +$35K +100 New
38 39
40
41 42