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 2026
Institutional positions in aTYR PHARMA INC as of Jun 30, 2026. 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
- 89
- −20 vs. Q1 2026
- Shares held
- 38.8M
- −17.2M (−30.6%) vs. Q1 2026
- Total value
- $23.2M
- −$20.5M (−47.0%) vs. Q1 2026
- New holders
- 15
- 29 more added
- Sold out
- 35
- 30 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | 42 | $172.1M |
| Q2 2021 | 29 | $33.8M |
| Q1 2021 | 25 | $26.3M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding aTYR PHARMA INC; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Belpointe Asset Management LLC | 0 | $0 | 0.00% | −45,738−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −33,829−100.0% | Sold out |
| New York State Common Retirement Fund | 0 | $0 | 0.00% | −27,500−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −26,187−100.0% | Sold out |
| Police & Firemen's Retirement System of New Jersey | 0 | $0 | 0.00% | −26,081−100.0% | Sold out |
| Neuberger Berman Group LLC | 0 | $0 | 0.00% | −21,743−100.0% | Sold out |
| RBF Capital, LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −14,660−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −13,905−100.0% | Sold out |
| Crossmark Global Holdings, Inc. | 0 | $0 | 0.00% | −12,666−100.0% | Sold out |
| Pasadena Private Wealth, LLC | 0 | $0 | 0.00% | −12,228−100.0% | Sold out |
| Apollon Wealth Management, LLC | 0 | $0 | 0.00% | −11,900−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −11,361−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −10,552−100.0% | Sold out |
| Voya Investment Management LLC | 0 | $0 | 0.00% | −10,338−100.0% | Sold out |
| Ameritas Investment Partners, Inc. | 0 | $0 | 0.00% | −8,881−100.0% | Sold out |
| Legal & General Group Plc | 0 | $0 | 0.00% | −7,920−100.0% | Sold out |
| California State Teachers Retirement System | 0 | $0 | 0.00% | −5,190−100.0% | Sold out |
| Advisor Group Holdings, Inc. | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Toth Financial Advisory Corp | 0 | $0 | 0.00% | −1,400−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −1,335−100.0% | Sold out |
| Sterling Capital Management LLC | 0 | $0 | 0.00% | −742−100.0% | Sold out |
| Wealth Preservation Advisors, LLC | 0 | $0 | 0.00% | −157−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |
| My Portfolio Guide, LLC | – | – | – | – | Not filed |