ATYR

aTyr Pharma
ATYR

Overview Fund Activity

39 hedge funds and large institutions have $39.2M invested in aTyr Pharma in 2017 Q1 according to their latest regulatory filings, with 4 funds opening new positions, 12 increasing their positions, 12 reducing their positions, and 11 closing their positions.

Holders
39
Holders Change
-13
Holders Change %
-25%
% of All Funds
0.97%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
4
Increased
12
Reduced
12
Closed
11
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
EC
1
EcoR1 Capital
California
$8.02M
2
BlackRock
2
BlackRock
New York
$2.02M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$1.52M
4
Susquehanna International Group
4
Susquehanna International Group
Pennsylvania
$68K
5
DTL
5
Dynamic Technology Lab
Singapore
$68K

Top Sellers

1
Alyeska Investment Group
1
Alyeska Investment Group
Illinois
$2.83M
2
TCM
2
Tang Capital Management
California
$0
3
TAM
3
Tiverton Asset Management
Delaware
$0
4
Jacobs Levy Equity Management
4
Jacobs Levy Equity Management
New Jersey
$0
5
Goldman Sachs
5
Goldman Sachs
New York
$112K
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$12.5M 3,557,779 – –
EC
2
EcoR1 Capital
California
$8.02M 2,292,659 +1,315,673 +135%
PVMCV
3
Polaris Venture Management Co V
Massachusetts
$6.4M 1,827,992 – –
Alyeska Investment Group
4
Alyeska Investment Group
Illinois
$2.83M 809,642 -262,466 -24%
BlackRock
5
BlackRock
New York
$2.02M 577,171 +557,492 +2,833%
RSCM
6
Rock Springs Capital Management
Maryland
$1.66M 475,000 – –
Vanguard Group
7
Vanguard Group
Pennsylvania
$1.52M 435,324 +78,579 +22%
GHCM
8
Glen Harbor Capital Management
California
$536K 153,238 -26,486 -15%
MCIM
9
Meadow Creek Investment Management
Georgia
$442K 126,196 -21,812 -15%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$392K 112,178 +444 +0.4%
BCM
11
Bridgeway Capital Management
Texas
$359K 102,697 – –
EP
12
Elkfork Partners
Oregon
$347K 99,154 -17,138 -15%
RCM
13
Riverhead Capital Management
Delaware
$279K 79,677 – –
TAM
14
Tyers Asset Management
Texas
$252K 72,112 -12,464 -15%
Dimensional Fund Advisors
15
Dimensional Fund Advisors
Texas
$204K 58,172 +2,800 +5%
Bank of America
16
Bank of America
North Carolina
$167K 47,708 -4,074 -8%
Connor, Clark & Lunn Investment Management (CC&L)
17
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$151K 43,100 +4,900 +13%
Renaissance Technologies
18
Renaissance Technologies
New York
$136K 38,800 +700 +2%
Northern Trust
19
Northern Trust
Illinois
$123K 35,220 +14,645 +71%
Goldman Sachs
20
Goldman Sachs
New York
$112K 32,074 -46,376 -59%
Millennium Management
21
Millennium Management
New York
$103K 29,427 -17,770 -38%
Bank of New York Mellon
22
Bank of New York Mellon
New York
$96K 27,454 – –
Morgan Stanley
23
Morgan Stanley
New York
$89K 25,308 +14,028 +124%
QI
24
Quotient Investors
New York
$78K 22,200 – –
AIM
25
Alambic Investment Management
California
$78K 22,200 +3,800 +21%
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