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.
13F holders, Q2 2022
Institutional positions in aTYR PHARMA INC as of Jun 30, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 36
- −5 vs. Q1 2022
- Shares held
- 18.8M
- −859.3K (−4.4%) vs. Q1 2022
- Total value
- $53.1M
- −$51.9M (−49.4%) vs. Q1 2022
- New holders
- 5
- 8 more added
- Sold out
- 10
- 10 more reduced
Compare with Q1 2022: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ATYR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 89 | $23.2M |
| Q1 2026 | 111 | $43.7M |
| Q4 2025 | 84 | $42.1M |
| Q3 2025 | 103 | $43.9M |
| Q2 2025 | 110 | $336.5M |
| Q1 2025 | 87 | $186.5M |
| Q4 2024 | 77 | $198.6M |
| Q3 2024 | 56 | $84.3M |
| Q2 2024 | 47 | $75.1M |
| Q1 2024 | 56 | $81.5M |
| Q4 2023 | 46 | $58.1M |
| Q3 2023 | 41 | $58.7M |
| Q2 2023 | 41 | $77.0M |
| Q1 2023 | 37 | $72.8M |
| Q4 2022 | 36 | $40.2M |
| Q3 2022 | 33 | $57.2M |
| Q2 2022 | 36 | $53.1M |
| Q1 2022 | 41 | $105.0M |
| Q4 2021 | 47 | $153.5M |
| Q3 2021 | 41 | $170.9M |
| Q2 2021 | 28 | $33.1M |
| Q1 2021 | 24 | $25.7M |
Institutions, Q2 2022
Shares, value and share of portfolio for each institution holding aTYR PHARMA INC; share changes are against Q1 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Federated Hermes, Inc. | 5,222,250 | $14.8M | 0.04% | 00.0% | Unchanged |
| FMR LLC | 4,208,437 | $11.9M | 0.00% | +39,068+0.9% | Added |
| VR Adviser, LLC | 1,398,889 | $3.96M | 0.78% | 00.0% | Unchanged |
| Tikvah Management LLC | 1,350,833 | $3.82M | 1.65% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,139,533 | $3.23M | 0.00% | 00.0% | Unchanged |
| Tang Capital Management LLC | 1,113,453 | $3.15M | 0.48% | 00.0% | Unchanged |
| Alyeska Investment Group, L.P. | 972,326 | $2.75M | 0.03% | +211,528+27.8% | Added |
| Stonepine Capital Management, LLC | 601,580 | $1.70M | 0.79% | 00.0% | Unchanged |
| Telemetry Investments, L.L.C. | 447,000 | $1.26M | 1.93% | +164,580+58.3% | Added |
| Baker Bros. Advisors LP | 374,395 | $1.06M | 0.01% | −250,605−40.1% | Reduced |
| Deep Track Capital, LP | 290,844 | $823.0K | 0.06% | −737,671−71.7% | Reduced |
| BlackRock Inc. | 270,157 | $765.0K | 0.00% | −6,002−2.2% | Reduced |
| Geode Capital Management, LLC | 238,809 | $675.0K | 0.00% | +4,487+1.9% | Added |
| Two Sigma Advisers, LP | 183,950 | $521.0K | 0.00% | −13,600−6.9% | Reduced |
| Two Sigma Investments, LP | 178,557 | $505.0K | 0.00% | −56,680−24.1% | Reduced |
| Marshall Wace, LLP | 159,407 | $450.0K | 0.00% | −43,600−21.5% | Reduced |
| Renaissance Technologies LLC | 150,825 | $427.0K | 0.00% | +39,970+36.1% | Added |
| Dimensional Fund Advisors LP | 147,596 | $418.0K | 0.00% | −54,688−27.0% | Reduced |
| State Street Corp | 82,908 | $235.0K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 46,539 | $132.0K | 0.00% | +46,539 | New |
| Northern Trust Corp | 45,871 | $130.0K | 0.00% | +1,465+3.3% | Added |
| Ensign Peak Advisors, Inc | 37,884 | $107.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 21,815 | $62.0K | 0.00% | +20,792+2,032.5% | Added |
| Acadian Asset Management LLC | 19,963 | $57.0K | 0.00% | +19,963 | New |
| Virtu Financial LLC | 12,845 | $36.0K | 0.00% | −281−2.1% | Reduced |
| D.A. Davidson & Co. | 10,800 | $31.0K | 0.00% | +10,800 | New |
| Tocqueville Asset Management L.P. | 10,150 | $29.0K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 10,000 | $29.0K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 10,157 | $29.0K | 0.00% | +10,157 | New |
| Group One Trading, L.P. | 5,648 | $16.0K | 0.00% | +5,648 | New |
| UBS Group AG | 2,000 | $6.00K | 0.00% | −2,000−50.0% | Reduced |
| Wells Fargo & Company | 1,675 | $4.00K | 0.00% | +16+1.0% | Added |
| PFS Partners, LLC | 406 | $1.15K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 544 | $1.00K | 0.00% | −790−59.2% | Reduced |
| RE Dickinson Investment Advisors, LLC | 300 | $1.00K | 0.00% | 00.0% | Unchanged |
| Charter Oak Capital Management, LLC | 150 | $0 | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −159,921−100.0% | Sold out |
| Ikarian Capital, LLC | 0 | $0 | 0.00% | −37,017−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −22,089−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −18,808−100.0% | Sold out |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −15,700−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −13,456−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −650−100.0% | Sold out |
| Raleigh Capital Management Inc. | 0 | $0 | 0.00% | −600−100.0% | Sold out |
| Morgan Stanley | 0 | $0 | 0.00% | −72−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −85−100.0% | Sold out |