TSRO

TESARO, Inc.
TSRO

Overview Fund Activity
Delisted

TSRO was delisted on the 18th of January, 2019.

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221 hedge funds and large institutions have $4.14B invested in TESARO, Inc. in 2018 Q4 according to their latest regulatory filings, with 95 funds opening new positions, 44 increasing their positions, 67 reducing their positions, and 62 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
221
Holders Change
+32
Holders Change %
+16.93%
% of All Funds
4.93%
Holding in Top 10
23
Holding in Top 10 Change
+16
Holding in Top 10 Change %
+228.57%
% of All Funds
0.51%
New
95
Increased
44
Reduced
67
Closed
62
Calls
$333M
Puts
$172M
Net Calls
+$161M
Net Calls Change
+$111M

Top Buyers

1
BCM
1
Beryl Capital Management
California
$211M
2
FCM
2
Farallon Capital Management
California
$126M
3
MF
3
Magnetar Financial
Illinois
$102M
4
AA
4
AQR Arbitrage
Connecticut
$91.1M
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$76.2M

Top Sellers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$74.6M
2
FCM
2
Frontier Capital Management
Massachusetts
$33.4M
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$45.6M
4
IVM
4
InterWest Venture Management
California
$590K
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$17.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
CIA
101
Capital Impact Advisors
Massachusetts
$3.36M – – –
Ameriprise
102
Ameriprise
Minnesota
$3.26M -$49.4M -665,535 -94%
Parallax Volatility Advisers
103
Parallax Volatility Advisers
California
$3.21M +$3.21M +43,285 New
HA
104
Havens Advisors
New York
$3.12M +$3.12M +42,000 New
D.E. Shaw & Co
105
D.E. Shaw & Co
New York
$3.08M +$2.2M +29,679 +252%
UBS AM
106
UBS AM
Illinois
$3.03M -$23.5M -316,994 -89%
SCC
107
Spring Creek Capital
Kansas
$2.97M +$2.97M +40,000 New
RhumbLine Advisers
108
RhumbLine Advisers
Massachusetts
$2.91M +$23.4K +315 +0.8%
O
109
OppenheimerFunds
New York
$2.83M +$2.83M +38,106 New
EP
110
Eversept Partners
New York
$2.67M +$2.67M +36,000 New
ACPU
111
Arrowgrass Capital Partners (US)
Delaware
$2.6M +$2.6M +35,000 New
Bank of America
112
Bank of America
North Carolina
$2.49M -$26.6M -358,898 -91%
Wells Fargo
113
Wells Fargo
California
$2.44M -$4.44M -59,852 -65%
PWPCM
114
Perella Weinberg Partners Capital Management
New York
$2.31M +$2.31M +31,154 New
HT
115
HAP Trading
New York
$2.3M +$2.3M +30,951 New
PAM
116
Panagora Asset Management
Massachusetts
$2.15M +$2.11M +28,379 +5,437%
AC
117
Athos Capital
Hong Kong
$2.13M +$2.13M +28,644 New
Walleye Trading
118
Walleye Trading
New York
$2.05M +$2.03M +27,356 +13,957%
B
119
BP
United Kingdom
$1.99M +$1.99M +26,782 New
GIA
120
Gateway Investment Advisers
Ohio
$1.94M +$16.6K +223 +0.9%
WRBC
121
W.R. Berkley Corp
Connecticut
$1.93M +$1.93M +25,923 New
Invesco
122
Invesco
Georgia
$1.77M -$596K -8,034 -25%
EAM
123
Erste Asset Management
Austria
$1.75M +$1.75M +23,800 New
EPM
124
Equitec Proprietary Markets
Illinois
$1.68M +$1.68M +22,683 New
Legal & General Group
125
Legal & General Group
United Kingdom
$1.5M +$275K +3,698 +22%
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5
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