ATYR

aTyr Pharma
ATYR

Overview Fund Activity

28 hedge funds and large institutions have $7.68M invested in aTyr Pharma in 2019 Q1 according to their latest regulatory filings, with 2 funds opening new positions, 4 increasing their positions, 4 reducing their positions, and 4 closing their positions.

Holders
28
Holders Change
-2
Holders Change %
-6.67%
% of All Funds
0.61%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
2
Increased
4
Reduced
4
Closed
4
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Viking Global Investors
1
Viking Global Investors
Connecticut
$1.77M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$960K
3
Renaissance Technologies
3
Renaissance Technologies
New York
$847K
4
Citadel Advisors
4
Citadel Advisors
Florida
$45K
5
VF
5
Virtu Financial
New York
$23K

Top Sellers

1
Susquehanna International Group
1
Susquehanna International Group
Pennsylvania
$0
2
Two Sigma Investments
2
Two Sigma Investments
New York
$37K
3
Macquarie Group
3
Macquarie Group
Australia
$0
4
BlackRock
4
BlackRock
New York
$101K
5
Morgan Stanley
5
Morgan Stanley
New York
$2K
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$2.38M 4,328,450 – –
Viking Global Investors
2
Viking Global Investors
Connecticut
$1.77M 3,209,955 +1,825,655 +132%
PVMCV
3
Polaris Venture Management Co V
Massachusetts
$1.01M 1,827,992 – –
Vanguard Group
4
Vanguard Group
Pennsylvania
$960K 1,745,322 +1,416,198 +430%
Renaissance Technologies
5
Renaissance Technologies
New York
$847K 1,540,559 +172,600 +13%
BlackRock
6
BlackRock
New York
$101K 183,225 -3,513 -2%
GHCM
7
Glen Harbor Capital Management
California
$84K 153,238 – –
MCIM
8
Meadow Creek Investment Management
Georgia
$69K 126,196 – –
Acadian Asset Management
9
Acadian Asset Management
Massachusetts
$67K 121,851 – –
Geode Capital Management
10
Geode Capital Management
Massachusetts
$58K 106,008 – –
EP
11
Elkfork Partners
Oregon
$55K 99,154 – –
BFM
12
Boothbay Fund Management
New York
$52K 94,466 – –
Citadel Advisors
13
Citadel Advisors
Florida
$45K 80,941 +49,464 +157%
RCM
14
Riverhead Capital Management
Delaware
$44K 79,677 – –
TAM
15
Tyers Asset Management
Texas
$40K 72,112 – –
Two Sigma Investments
16
Two Sigma Investments
New York
$37K 67,304 -40,890 -38%
VF
17
Virtu Financial
New York
$23K 41,469 +41,469 New
Northern Trust
18
Northern Trust
Illinois
$17K 30,136 – –
WS
19
Wedbush Securities
California
$14K 25,999 +25,999 New
Two Sigma Advisers
20
Two Sigma Advisers
New York
$7K 11,900 – –
Bank of America
21
Bank of America
North Carolina
$4K 7,687 – –
RE
22
RBC Europe
United Kingdom
$3.3K 6,000 – –
Morgan Stanley
23
Morgan Stanley
New York
$2K 3,410 -472 -12%
PAM
24
Panagora Asset Management
Massachusetts
$1K 2,726 – –
Susquehanna International Group
25
Susquehanna International Group
Pennsylvania
– – -99,158 Closed
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