ATYR

aTyr Pharma
ATYR

Overview Fund Activity

46 hedge funds and large institutions have $262M invested in aTyr Pharma in 2015 Q2 according to their latest regulatory filings, with 46 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

Holders
46
Holders Change
+46
Holders Change %
–
% of All Funds
1.24%
Holding in Top 10
2
Holding in Top 10 Change
+2
Holding in Top 10 Change %
%
% of All Funds
0.05%
New
46
Increased
–
Reduced
–
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$65.7M
2
BBA
2
Baker Bros. Advisors
New York
$43.2M
3
PVMCV
3
Polaris Venture Management Co V
Massachusetts
$33.9M
4
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$21.4M
5
EC
5
EcoR1 Capital
California
$15.5M

Top Sellers

No sellers this quarter
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$65.7M 3,545,181 +3,545,181 New
BBA
2
Baker Bros. Advisors
New York
$43.2M 2,335,125 +2,335,125 New
PVMCV
3
Polaris Venture Management Co V
Massachusetts
$33.9M 1,827,992 +1,827,992 New
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$21.4M 1,190,044 +1,190,044 New
EC
5
EcoR1 Capital
California
$15.5M 836,860 +836,860 New
RIM
6
RS Investment Management
California
$12.4M 669,237 +669,237 New
DM
7
Deerfield Management
New York
$8.55M 461,530 +461,530 New
TAM
8
Tiverton Asset Management
Delaware
$8.33M 450,000 +450,000 New
RCM
9
Riverhead Capital Management
Delaware
$7.69M 415,377 +415,377 New
RSCM
10
Rock Springs Capital Management
Maryland
$7.57M 408,496 +408,496 New
MF
11
Magnetar Financial
Illinois
$5.72M 308,859 +308,859 New
Lord, Abbett & Co
12
Lord, Abbett & Co
New Jersey
$4.51M 243,397 +243,397 New
SFM
13
Sphera Funds Management
Israel
$3.7M 209,027 +209,027 New
JPMorgan Chase & Co
14
JPMorgan Chase & Co
New York
$3.45M 186,249 +186,249 New
Federated Hermes
15
Federated Hermes
Pennsylvania
$2.99M 161,300 +161,300 New
BFA
16
BlackRock Fund Advisors
California
$2.94M 158,940 +158,940 New
Vanguard Group
17
Vanguard Group
Pennsylvania
$2.89M 156,003 +156,003 New
BI
18
BVF Inc
California
$2.5M 134,725 +134,725 New
Goldman Sachs
19
Goldman Sachs
New York
$1.44M 77,513 +77,513 New
Alyeska Investment Group
20
Alyeska Investment Group
Illinois
$1.39M 75,120 +75,120 New
MIG
21
Mariner Investment Group
New York
$938K 50,665 +50,665 New
PI
22
Putnam Investments
Massachusetts
$920K 49,664 +49,664 New
TCIM
23
TIAA CREF Investment Management
New York
$792K 42,764 +42,764 New
BIT
24
BlackRock Institutional Trust
California
$712K 38,453 +38,453 New
State Street
25
State Street
Massachusetts
$691K 37,277 +37,277 New
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