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 2024
Institutional positions in aTYR PHARMA INC as of Jun 30, 2024. 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
- 47
- −9 vs. Q1 2024
- Shares held
- 48.1M
- +6.32M (+15.1%) vs. Q1 2024
- Total value
- $75.1M
- −$6.44M (−7.9%) vs. Q1 2024
- New holders
- 8
- 21 more added
- Sold out
- 17
- 12 more reduced
Compare with Q1 2024: 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 2024
Shares, value and share of portfolio for each institution holding aTYR PHARMA INC; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Federated Hermes, Inc. | 14,666,600 | $22.9M | 0.05% | +4,497,000+44.2% | Added |
| FMR LLC | 10,351,641 | $16.1M | 0.00% | +1,428,431+16.0% | Added |
| Logos Global Management LP | 3,000,000 | $4.68M | 0.54% | −100,000−3.2% | Reduced |
| Vanguard Group Inc | 2,652,157 | $4.14M | 0.00% | 00.0% | Unchanged |
| Tikvah Management LLC | 2,460,833 | $3.84M | 1.34% | 00.0% | Unchanged |
| Checkpoint Capital L.P. | 1,946,477 | $3.04M | 1.83% | +500,000+34.6% | Added |
| Alyeska Investment Group, L.P. | 1,867,633 | $2.91M | 0.02% | +362,078+24.0% | Added |
| Citadel Advisors LLC | 1,845,262 | $2.88M | 0.00% | −58,084−3.1% | Reduced |
| Woodline Partners LP | 1,683,162 | $2.63M | 0.03% | +1,883+0.1% | Added |
| BlackRock Inc. | 1,392,074 | $2.17M | 0.00% | +27,194+2.0% | Added |
| Renaissance Technologies LLC | 1,293,814 | $2.02M | 0.00% | +20,959+1.6% | Added |
| Adage Capital Partners GP, L.L.C. | 1,000,000 | $1.56M | 0.00% | +1,000,000 | New |
| Ghost Tree Capital, LLC | 800,000 | $1.25M | 0.43% | +200,000+33.3% | Added |
| Tang Capital Management LLC | 671,134 | $1.05M | 0.11% | +200,000+42.5% | Added |
| Geode Capital Management, LLC | 662,684 | $1.03M | 0.00% | +67,573+11.4% | Added |
| Gsa Capital Partners LLP | 322,460 | $503.0K | 0.04% | +98,313+43.9% | Added |
| Superstring Capital Management LP | 313,028 | $488.3K | 0.62% | +313,028 | New |
| State Street Corp | 168,308 | $262.6K | 0.00% | +1,500+0.9% | Added |
| Dimensional Fund Advisors LP | 145,524 | $227.0K | 0.00% | −51,220−26.0% | Reduced |
| Northern Trust Corp | 118,456 | $184.8K | 0.00% | +19,290+19.5% | Added |
| Bank of America Corp | 117,037 | $182.6K | 0.00% | −39,138−25.1% | Reduced |
| Millennium Management LLC | 106,432 | $166.0K | 0.00% | +43,951+70.3% | Added |
| Two Sigma Advisers, LP | 95,850 | $149.5K | 0.00% | −46,500−32.7% | Reduced |
| Main Street Financial Solutions, LLC | 67,725 | $105.7K | 0.01% | +33,250+96.4% | Added |
| American Century Companies Inc | 60,487 | $94.4K | 0.00% | +6,444+11.9% | Added |
| Schonfeld Strategic Advisors LLC | 38,900 | $60.7K | 0.00% | +18,400+89.8% | Added |
| Farther Finance Advisors, LLC | 30,423 | $47.5K | 0.00% | +100+0.3% | Added |
| Sanctuary Advisors, LLC | 29,207 | $45.9K | 0.00% | +29,207 | New |
| Jane Street Group, LLC | 28,456 | $44.4K | 0.00% | −33,684−54.2% | Reduced |
| Virtu Financial LLC | 27,966 | $44.0K | 0.00% | +27,966 | New |
| D.A. Davidson & Co. | 27,850 | $43.4K | 0.00% | +1,500+5.7% | Added |
| Tower Research Capital LLC (TRC) | 27,338 | $42.6K | 0.00% | +21,071+336.2% | Added |
| Charles Schwab Investment Management Inc | 26,689 | $41.6K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 20,686 | $32.3K | 0.00% | −13,168−38.9% | Reduced |
| Cubist Systematic Strategies, LLC | 16,485 | $25.7K | 0.00% | +4,749+40.5% | Added |
| Royal Bank of Canada | 13,850 | $22.0K | 0.00% | −1,673−10.8% | Reduced |
| Verition Fund Management LLC | 12,675 | $19.8K | 0.00% | +12,675 | New |
| Alterna Wealth Management, Inc | 10,000 | $15.6K | 0.01% | 00.0% | Unchanged |
| Wells Fargo & Company | 1,500 | $2.34K | 0.00% | −412−21.5% | Reduced |
| Simplex Trading, LLC | 1,864 | $2.00K | 0.00% | −4,157−69.0% | Reduced |
| PFS Partners, LLC | 340 | $531 | 0.00% | 00.0% | Unchanged |
| Cypress Capital, LLC | 200 | $312 | 0.00% | +200 | New |
| Sachetta, LLC | 150 | $297 | 0.00% | +150 | New |
| Qube Research & Technologies Ltd | 188 | $294 | 0.00% | −9,456−98.1% | Reduced |
| Caldwell Sutter Capital, Inc. | 52 | $81 | 0.00% | 00.0% | Unchanged |
| Strategic Investment Solutions, Inc. | 8 | $16 | 0.00% | +8 | New |
| Morgan Stanley | 1 | $2 | 0.00% | −19,717−100.0% | Reduced |
| Octagon Capital Advisors LP | 0 | $0 | 0.00% | −700,000−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −604,299−100.0% | Sold out |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −217,233−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −158,619−100.0% | Sold out |
| Pale Fire Capital SE | 0 | $0 | 0.00% | −91,232−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −83,328−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −78,620−100.0% | Sold out |
| Kingswood Wealth Advisors, LLC | 0 | $0 | 0.00% | −60,000−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −49,904−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −45,366−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −43,892−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −28,256−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −20,192−100.0% | Sold out |
| CTC Alternative Strategies, Ltd. | 0 | $0 | 0.00% | −17,600−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −17,487−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −16,000−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −10,088−100.0% | Sold out |