aTyr Pharma, Inc.
Hedge Funds Holdings

Last updated:

aTyr Pharma, Inc.‘s stocks are currently a part of 17 hedge funds’ portfolios, which represents 92.72% of the total amount of its stocks outstanding. This makes up a total of 26.34M shares of aTyr Pharma, Inc.. Compared to the previous quarter, the number grew by 43.57% or 7.99M shares more. As for the holding position changes, 41.18% (7) of current hedge fund investors increased the number of shares held, 23.53% (4) of current holders sold a part of the shares held, and 29.41% (5) closed the holdings completely. 5 hedge funds are new holders of aTyr Pharma, Inc. stock in Q1 2023, it is 29.41% of total holders.

Hedge funds holding aTyr Pharma (Q2 2018 – Q1 2023)

Number of hedge funds
Q2 2018 31
Q3 2018 27
Q4 2018 23
Q1 2019 23
Q2 2019 20
Q3 2019 16
Q4 2019 14
Q1 2020 22
Q2 2020 22
Q3 2020 21
Q4 2020 20
Q1 2021 20
Q2 2021 25
Q3 2021 40
Q4 2021 45
Q1 2022 38
Q2 2022 34
Q3 2022 32
Q4 2022 35
Q1 2023 17

Hedge funds changes in aTyr Pharma positions (Q2 2018 – Q1 2023)

Changes in positions
Q2 2018 834106
Q3 2018 55692
Q4 2018 24368
Q1 2019 243212
Q2 2019 95412-10
Q3 2019 102414-14
Q4 2019 52322
Q1 2020 107014
Q2 2020 47452
Q3 2020 38244
Q4 2020 5646-1
Q1 2021 4944-1
Q2 2021 79423
Q3 2021 181553-1
Q4 2021 16101110-2
Q1 2022 7121014-5
Q2 2022 571192
Q3 2022 215546
Q4 2022 812852
Q1 2023 5745-4

Hedge funds changes in aTyr Pharma stock options (Q2 2018 – Q1 2023)

Changes in stock options
Q2 2018 0 0
Q3 2018 0 0
Q4 2018 0 0
Q1 2019 0 0
Q2 2019 0 0
Q3 2019 0 0
Q4 2019 0 0
Q1 2020 0 0
Q2 2020 0 0
Q3 2020 0 0
Q4 2020 0 0
Q1 2021 0 0
Q2 2021 96,000 12,000
Q3 2021 8,094,000 3,075,000
Q4 2021 656,000 703,000
Q1 2022 445,000 1,202,000
Q2 2022 64,000 436,000
Q3 2022 72,000 403,000
Q4 2022 17,607 91,380
Q1 2023 1,267,000 0

Top 50 hedge fund holders of aTyr Pharma, Inc. (NASDAQ:LIFE)

Hedge fund Value Shares owned Portfolio share
VR ADVISER, LLC 36.73M 10.69M 5.397%
FEDERATED HERMES, INC. 15.66M 5.22M 0.046%
FMR LLC 12.88M 4.29M 0.001%
TIKVAH MANAGEMENT LLC 4.05M 1.35M 1.873%
VANGUARD GROUP INC 3.41M 1.13M 0.000%
TANG CAPITAL MANAGEMENT LLC 3.34M 1.11M 0.410%
ALYESKA INVESTMENT GROUP, L.P. 3.23M 1.07M 0.038%
STONEPINE CAPITAL MANAGEMENT, LLC 1.80M 600.98K 0.811%
TELEMETRY INVESTMENTS, L.L.C. 1.47M 492.5K 1.894%
WALLEYE CAPITAL LLC 1.22M 406.88K 0.023%
BLACKROCK INC. Larry Fink 801K 267.09K 0.000%
GEODE CAPITAL MANAGEMENT, LLC 718K 239.49K 0.000%
BAKER BROS. ADVISORS LP 604K 201.36K 0.004%
RENAISSANCE TECHNOLOGIES LLC Jim Simons 563K 187.52K 0.001%
TWO SIGMA ADVISERS, LP 549K 183.15K 0.002%
TWO SIGMA INVESTMENTS, LP John Overdeck 540K 180.01K 0.002%
MARSHALL WACE, LLP Paul Marshall 527K 175.91K 0.001%
DIMENSIONAL FUND ADVISORS LP 508K 169.36K 0.000%
SUSQUEHANNA INTERNATIONAL GROUP, LLP 295K 98.4K 0.000%
STATE STREET CORP 249K 82.90K 0.000%
ROYAL BANK OF CANADA 147K 48.67K 0.000%
NORTHERN TRUST CORP 138K 45.87K 0.000%
SUSQUEHANNA INTERNATIONAL GROUP, LLP 137K 45.54K 0.000%
TOWER RESEARCH CAPITAL LLC (TRC) 123K 40.96K 0.002%
ENSIGN PEAK ADVISORS, INC 114K 37.88K 0.000%
GROUP ONE TRADING, L.P. 68K 22.6K 0.000%
CITADEL ADVISORS LLC Ken Griffin 56K 18.8K 0.000%
GROUP ONE TRADING, L.P. 43K 14.46K 0.000%
SIMPLEX TRADING, LLC 40K 13.5K 0.000%
D.A. DAVIDSON & CO. 35K 11.8K 0.001%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 30K 10K 0.000%
TOCQUEVILLE ASSET MANAGEMENT L.P. 30K 10.15K 0.001%
UBS GROUP AG 18K 5.97K 0.000%
SIMPLEX TRADING, LLC 10K 3.4K 0.000%
WELLS FARGO & COMPANY/MN 6K 1.68K 0.000%
GROUP ONE TRADING, L.P. 6K 1.9K 0.000%
BNP PARIBAS ARBITRAGE, SNC 5.35K 1.78K 0.000%
RE DICKINSON INVESTMENT ADVISORS, LLC 1K 300 0.001%
ACADIAN ASSET MANAGEMENT LLC 0 0 0.000%
JANE STREET GROUP, LLC 0 0 0.000%
VIRTU FINANCIAL LLC 0 0 0.000%
CITADEL ADVISORS LLC Ken Griffin 0 0 0.000%
DEEP TRACK CAPITAL, LP 0 0 0.000%