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, Q3 2022
Institutional positions in aTYR PHARMA INC as of Sep 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
- 33
- −3 vs. Q2 2022
- Shares held
- 19.1M
- +291.7K (+1.6%) vs. Q2 2022
- Total value
- $57.2M
- +$4.07M (+7.7%) vs. Q2 2022
- New holders
- 2
- 14 more added
- Sold out
- 5
- 5 more reduced
Compare with Q2 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 | 42 | $172.1M |
| Q2 2021 | 29 | $33.8M |
| Q1 2021 | 25 | $26.3M |
Institutions, Q3 2022
Shares, value and share of portfolio for each institution holding aTYR PHARMA INC; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| RE Dickinson Investment Advisors, LLC | 300 | $1.00K | 0.00% | 00.0% | Unchanged |
| PFS Partners, LLC | 406 | $1.22K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 1,784 | $5.35K | 0.00% | +1,784 | New |
| Wells Fargo & Company | 1,686 | $6.00K | 0.00% | +11+0.7% | Added |
| UBS Group AG | 5,975 | $18.0K | 0.00% | +3,975+198.8% | Added |
| Tocqueville Asset Management L.P. | 10,150 | $30.0K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 10,000 | $30.0K | 0.00% | 00.0% | Unchanged |
| D.A. Davidson & Co. | 11,800 | $35.0K | 0.00% | +1,000+9.3% | Added |
| Group One Trading, L.P. | 14,461 | $43.0K | 0.00% | +8,813+156.0% | Added |
| Ensign Peak Advisors, Inc | 37,884 | $114.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 40,965 | $123.0K | 0.00% | +19,150+87.8% | Added |
| Susquehanna International Group, LLP | 45,542 | $137.0K | 0.00% | −997−2.1% | Reduced |
| Northern Trust Corp | 45,871 | $138.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 48,727 | $147.0K | 0.00% | +48,183+8,857.2% | Added |
| State Street Corp | 82,908 | $249.0K | 0.00% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 169,360 | $508.0K | 0.00% | +21,764+14.7% | Added |
| Marshall Wace, LLP | 175,910 | $527.0K | 0.00% | +16,503+10.4% | Added |
| Two Sigma Investments, LP | 180,014 | $540.0K | 0.00% | +1,457+0.8% | Added |
| Two Sigma Advisers, LP | 183,150 | $549.0K | 0.00% | −800−0.4% | Reduced |
| Renaissance Technologies LLC | 187,525 | $563.0K | 0.00% | +36,700+24.3% | Added |
| Baker Bros. Advisors LP | 201,361 | $604.0K | 0.00% | −173,034−46.2% | Reduced |
| Geode Capital Management, LLC | 239,496 | $718.0K | 0.00% | +687+0.3% | Added |
| BlackRock Inc. | 267,098 | $801.0K | 0.00% | −3,059−1.1% | Reduced |
| Walleye Capital LLC | 406,886 | $1.22M | 0.03% | +406,886 | New |
| Telemetry Investments, L.L.C. | 492,500 | $1.48M | 2.42% | +45,500+10.2% | Added |
| Stonepine Capital Management, LLC | 600,980 | $1.80M | 0.81% | −600−0.1% | Reduced |
| Alyeska Investment Group, L.P. | 1,078,747 | $3.24M | 0.04% | +106,421+10.9% | Added |
| Tang Capital Management LLC | 1,113,453 | $3.34M | 0.41% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,139,533 | $3.42M | 0.00% | 00.0% | Unchanged |
| Tikvah Management LLC | 1,350,833 | $4.05M | 1.87% | 00.0% | Unchanged |
| VR Adviser, LLC | 1,398,889 | $4.20M | 0.65% | 00.0% | Unchanged |
| FMR LLC | 4,293,756 | $12.9M | 0.00% | +85,319+2.0% | Added |
| Federated Hermes, Inc. | 5,222,250 | $15.7M | 0.05% | 00.0% | Unchanged |
| Deep Track Capital, LP | 0 | $0 | 0.00% | −290,844−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −19,963−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −12,845−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −10,157−100.0% | Sold out |
| Charter Oak Capital Management, LLC | 0 | $0 | 0.00% | −150−100.0% | Sold out |