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aTYR PHARMA INC

ATYR
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001339970

No open-market purchases or sales by aTYR PHARMA INC insiders were filed in the last 90 days; 89 institutions reported holding it in 13F filings for Q2 2026, worth $23.2M in total; no superinvestor holds it.

Q3 2024 vs. Q2 2024

How the institutions holding aTYR PHARMA INC changed between Q2 2024 and Q3 2024.

All holders in Q3 2024All holders in Q2 2024

13F holders of ATYR: Q2 2024 compared with Q3 2024
MeasureQ2 2024Of which not filed for Q3 2024Q3 2024Change
Holders47156+10
Shares48.1M1.39M47.9M+1.14M (+2.4%)
Value$75.1M$2.17M$84.3M+$11.3M (+15.6%)

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (15)

Institutions that held aTYR PHARMA INC at the end of Q3 2024 but not at the end of Q2 2024.

Institutions new to ATYR in Q3 2024
InstitutionSharesValue% of portfolio
BlackRock, Inc.1,396,562$2.46M0.00%
Susquehanna International Group, LLP133,229$234.5K0.00%
Citigroup Inc132,983$234.1K0.00%
Knott David M Jr107,174$189.0K0.08%
Jefferies Financial Group Inc.55,600$97.9K0.00%
Occudo Quantitative Strategies LP20,826$36.7K0.01%
XTX Topco Ltd17,262$30.4K0.00%
StoneX Group Inc.15,709$27.6K0.00%
Engineers Gate Manager LP15,646$27.5K0.00%
Marshall Wace, LLP14,031$24.7K0.00%
Squarepoint Ops LLC13,381$23.6K0.00%
Two Sigma Securities, LLC12,992$22.9K0.00%
Ground Swell Capital, LLC12,728$22.4K0.03%
Continuum Advisory, LLC210$6700.00%
National Bank of Canada358$6300.00%

Sold out (5)

Institutions that held aTYR PHARMA INC at the end of Q2 2024 and filed for Q3 2024 without it.

Institutions that sold out of ATYR in Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
Superstring Capital Management LP313,028$488.3K
Sanctuary Advisors, LLC29,207$45.9K
Cubist Systematic Strategies, LLC16,485$25.7K
Verition Fund Management LLC12,675$19.8K
Cypress Capital, LLC200$312

Not filed for Q3 2024 yet (1)

Institutions that held aTYR PHARMA INC at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ATYR in Q2 2024 that haven't filed for Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
BlackRock Inc.1,392,074$2.17M