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 |
|---|---|---|---|---|---|
| Morgan Stanley | 1 | $2 | 0.00% | −19,717−100.0% | Reduced |
| Strategic Investment Solutions, Inc. | 8 | $16 | 0.00% | +8 | New |
| Caldwell Sutter Capital, Inc. | 52 | $81 | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 188 | $294 | 0.00% | −9,456−98.1% | Reduced |
| Sachetta, LLC | 150 | $297 | 0.00% | +150 | New |
| Cypress Capital, LLC | 200 | $312 | 0.00% | +200 | New |
| PFS Partners, LLC | 340 | $531 | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 1,864 | $2.00K | 0.00% | −4,157−69.0% | Reduced |
| Wells Fargo & Company | 1,500 | $2.34K | 0.00% | −412−21.5% | Reduced |
| Alterna Wealth Management, Inc | 10,000 | $15.6K | 0.01% | 00.0% | Unchanged |
| Verition Fund Management LLC | 12,675 | $19.8K | 0.00% | +12,675 | New |
| Royal Bank of Canada | 13,850 | $22.0K | 0.00% | −1,673−10.8% | Reduced |
| Cubist Systematic Strategies, LLC | 16,485 | $25.7K | 0.00% | +4,749+40.5% | Added |
| JPMorgan Chase & Co | 20,686 | $32.3K | 0.00% | −13,168−38.9% | Reduced |
| Charles Schwab Investment Management Inc | 26,689 | $41.6K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 27,338 | $42.6K | 0.00% | +21,071+336.2% | Added |
| D.A. Davidson & Co. | 27,850 | $43.4K | 0.00% | +1,500+5.7% | Added |
| Virtu Financial LLC | 27,966 | $44.0K | 0.00% | +27,966 | New |
| Jane Street Group, LLC | 28,456 | $44.4K | 0.00% | −33,684−54.2% | Reduced |
| Sanctuary Advisors, LLC | 29,207 | $45.9K | 0.00% | +29,207 | New |
| Farther Finance Advisors, LLC | 30,423 | $47.5K | 0.00% | +100+0.3% | Added |
| Schonfeld Strategic Advisors LLC | 38,900 | $60.7K | 0.00% | +18,400+89.8% | Added |
| American Century Companies Inc | 60,487 | $94.4K | 0.00% | +6,444+11.9% | Added |
| Main Street Financial Solutions, LLC | 67,725 | $105.7K | 0.01% | +33,250+96.4% | Added |
| Two Sigma Advisers, LP | 95,850 | $149.5K | 0.00% | −46,500−32.7% | Reduced |
| Millennium Management LLC | 106,432 | $166.0K | 0.00% | +43,951+70.3% | Added |
| Bank of America Corp | 117,037 | $182.6K | 0.00% | −39,138−25.1% | Reduced |
| Northern Trust Corp | 118,456 | $184.8K | 0.00% | +19,290+19.5% | Added |
| Dimensional Fund Advisors LP | 145,524 | $227.0K | 0.00% | −51,220−26.0% | Reduced |
| State Street Corp | 168,308 | $262.6K | 0.00% | +1,500+0.9% | Added |
| Superstring Capital Management LP | 313,028 | $488.3K | 0.62% | +313,028 | New |
| Gsa Capital Partners LLP | 322,460 | $503.0K | 0.04% | +98,313+43.9% | Added |
| Geode Capital Management, LLC | 662,684 | $1.03M | 0.00% | +67,573+11.4% | Added |
| Tang Capital Management LLC | 671,134 | $1.05M | 0.11% | +200,000+42.5% | Added |
| Ghost Tree Capital, LLC | 800,000 | $1.25M | 0.43% | +200,000+33.3% | Added |
| Adage Capital Partners GP, L.L.C. | 1,000,000 | $1.56M | 0.00% | +1,000,000 | New |
| Renaissance Technologies LLC | 1,293,814 | $2.02M | 0.00% | +20,959+1.6% | Added |
| BlackRock Inc. | 1,392,074 | $2.17M | 0.00% | +27,194+2.0% | Added |
| Woodline Partners LP | 1,683,162 | $2.63M | 0.03% | +1,883+0.1% | Added |
| Citadel Advisors LLC | 1,845,262 | $2.88M | 0.00% | −58,084−3.1% | Reduced |
| Alyeska Investment Group, L.P. | 1,867,633 | $2.91M | 0.02% | +362,078+24.0% | Added |
| Checkpoint Capital L.P. | 1,946,477 | $3.04M | 1.83% | +500,000+34.6% | Added |
| Tikvah Management LLC | 2,460,833 | $3.84M | 1.34% | 00.0% | Unchanged |
| Vanguard Group Inc | 2,652,157 | $4.14M | 0.00% | 00.0% | Unchanged |
| Logos Global Management LP | 3,000,000 | $4.68M | 0.54% | −100,000−3.2% | Reduced |
| FMR LLC | 10,351,641 | $16.1M | 0.00% | +1,428,431+16.0% | Added |
| Federated Hermes, Inc. | 14,666,600 | $22.9M | 0.05% | +4,497,000+44.2% | Added |
| 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 |