ATYR

aTyr Pharma
ATYR

Overview Fund Activity

51 hedge funds and large institutions have $55.8M invested in aTyr Pharma in 2016 Q1 according to their latest regulatory filings, with 9 funds opening new positions, 17 increasing their positions, 16 reducing their positions, and 8 closing their positions.

Holders
51
Holders Change
+1
Holders Change %
+2%
% of All Funds
1.36%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
9
Increased
17
Reduced
16
Closed
8
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
GCM
1
Gruss Capital Management
New York
$2.36M
2
RIM
2
RS Investment Management
California
$6.23M
3
TCM
3
Tang Capital Management
California
$749K
4
Alyeska Investment Group
4
Alyeska Investment Group
Illinois
$1.93M
5
GPP
5
Great Point Partners
Connecticut
$197K

Top Sellers

1
EC
1
EcoR1 Capital
California
$295K
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$2.05M
3
Lord, Abbett & Co
3
Lord, Abbett & Co
New Jersey
$0
4
BBA
4
Baker Bros. Advisors
New York
$8.42M
5
Federated Hermes
5
Federated Hermes
Pennsylvania
$106K
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$14M 3,551,596 +4,335 +0.1%
BBA
2
Baker Bros. Advisors
New York
$8.42M 2,137,606 -197,519 -8%
PVMCV
3
Polaris Venture Management Co V
Massachusetts
$7.2M 1,827,992 – –
RIM
4
RS Investment Management
California
$6.23M 1,579,892 +373,643 +31%
GCM
5
Gruss Capital Management
New York
$2.36M 600,000 +600,000 New
T. Rowe Price Associates
6
T. Rowe Price Associates
Maryland
$2.05M 520,452 -648,555 -55%
Alyeska Investment Group
7
Alyeska Investment Group
Illinois
$1.93M 490,750 +181,688 +59%
BFA
8
BlackRock Fund Advisors
California
$1.83M 464,476 +20,539 +5%
RSCM
9
Rock Springs Capital Management
Maryland
$1.71M 433,496 +18,300 +4%
TAM
10
Tiverton Asset Management
Delaware
$1.68M 425,147 -39,853 -9%
RCM
11
Riverhead Capital Management
Delaware
$1.57M 397,783 -17,594 -4%
JPMorgan Chase & Co
12
JPMorgan Chase & Co
New York
$1.47M 372,850 -2,900 -0.8%
Vanguard Group
13
Vanguard Group
Pennsylvania
$787K 199,631 +26,712 +15%
TCM
14
Tang Capital Management
California
$749K 190,000 +190,000 New
MF
15
Magnetar Financial
Illinois
$724K 183,806 -2,493 -1%
BIT
16
BlackRock Institutional Trust
California
$325K 82,461 -927 -1%
EC
17
EcoR1 Capital
California
$295K 74,959 -715,503 -91%
State Street
18
State Street
Massachusetts
$270K 68,285 +23,290 +52%
Northern Trust
19
Northern Trust
Illinois
$243K 61,708 – –
AIM
20
Alambic Investment Management
California
$238K 60,396 +41,058 +212%
GPP
21
Great Point Partners
Connecticut
$197K 49,906 +49,906 New
Goldman Sachs
22
Goldman Sachs
New York
$168K 42,753 +29,402 +220%
Jacobs Levy Equity Management
23
Jacobs Levy Equity Management
New Jersey
$165K 42,004 +42,004 New
Bank of New York Mellon
24
Bank of New York Mellon
New York
$143K 36,270 +15,444 +74%
Federated Hermes
25
Federated Hermes
Pennsylvania
$106K 26,793 -134,507 -83%
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