TSRO

TESARO, Inc.
TSRO

Overview Fund Activity
Delisted

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

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134 hedge funds and large institutions have $2.34B invested in TESARO, Inc. in 2015 Q1 according to their latest regulatory filings, with 38 funds opening new positions, 52 increasing their positions, 30 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
134
Holders Change
+30
Holders Change %
+28.85%
% of All Funds
3.57%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.11%
New
38
Increased
52
Reduced
30
Closed
8
Calls
$41.2M
Puts
$62.2M
Net Calls
-$21.1M
Net Calls Change
-$20.2M

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$229M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$203M
3
O
OrbiMed
New York
$118M
4
Vanguard Group
Vanguard Group
Pennsylvania
$90.8M
5
Lord, Abbett & Co
Lord, Abbett & Co
New Jersey
$40.9M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
$245M
2
Goldman Sachs
Goldman Sachs
New York
$3.7M
3
Millennium Management
Millennium Management
New York
$28M
4
Loomis, Sayles & Company
Loomis, Sayles & Company
Massachusetts
$10.4M
5
AllianceBernstein
AllianceBernstein
Tennessee
$63.8M
Name Holding Trade Value Shares
Change 		Shares
Change %
NMC
1
NEA Management Company
Maryland
$566M – – –
Wellington Management Group
2
Wellington Management Group
Massachusetts
$245M -$43.5M -757,619 -15%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$229M +$158M +2,759,121 +225%
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$203M +$57.9M +1,007,985 +40%
O
5
OrbiMed
New York
$118M +$41.8M +727,700 +55%
Vanguard Group
6
Vanguard Group
Pennsylvania
$90.8M +$34.8M +606,320 +62%
AllianceBernstein
7
AllianceBernstein
Tennessee
$63.8M -$13.5M -235,548 -17%
PA
8
Perceptive Advisors
New York
$56.2M +$5.45M +95,000 +11%
HM
9
HealthCor Management
New York
$53.1M -$7.18M -125,000 -12%
BB
10
BB Biotech
Switzerland
$49.1M +$8.61M +150,000 +21%
Point72 Asset Management
11
Point72 Asset Management
Connecticut
$46.8M +$11.4M +198,491 +32%
BFA
12
BlackRock Fund Advisors
California
$46.1M +$4.59M +80,051 +11%
Lord, Abbett & Co
13
Lord, Abbett & Co
New Jersey
$40.9M +$32.4M +564,263 +378%
State Street
14
State Street
Massachusetts
$40.3M -$1.77M -30,853 -4%
BIT
15
BlackRock Institutional Trust
California
$34.8M +$15.5M +269,500 +80%
Franklin Resources
16
Franklin Resources
California
$32.7M -$3.59M -62,500 -10%
OIM
17
Oracle Investment Management
Connecticut
$31.9M – – –
Millennium Management
18
Millennium Management
New York
$28M -$16.6M -289,039 -37%
Massachusetts Financial Services
19
Massachusetts Financial Services
Massachusetts
$19.9M +$608K +10,591 +3%
PI
20
Putnam Investments
Massachusetts
$19.1M -$67.8K -1,182 -0.4%
Deutsche Bank
21
Deutsche Bank
Germany
$16.9M -$2.06M -35,918 -11%
D.E. Shaw & Co
22
D.E. Shaw & Co
New York
$16.4M +$14M +243,431 +571%
Northern Trust
23
Northern Trust
Illinois
$15M +$416K +7,249 +3%
Jennison Associates
24
Jennison Associates
New York
$14.4M +$14.4M +250,247 New
RSCM
25
Rock Springs Capital Management
Maryland
$12.1M +$1.29M +22,500 +12%
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