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 $24.2M 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
- 40.6M
- −15.4M (−27.5%) vs. Q1 2026
- Total value
- $24.2M
- −$19.4M (−44.5%) 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 | $24.2M |
| Q1 2026 | 111 | $43.7M |
| Q4 2025 | 84 | $55.8M |
| Q3 2025 | 103 | $51.6M |
| Q2 2025 | 110 | $336.9M |
| Q1 2025 | 87 | $186.5M |
| Q4 2024 | 77 | $198.7M |
| Q3 2024 | 56 | $84.3M |
| Q2 2024 | 47 | $79.8M |
| Q1 2024 | 56 | $81.7M |
| Q4 2023 | 46 | $58.2M |
| Q3 2023 | 41 | $58.7M |
| Q2 2023 | 41 | $77.0M |
| Q1 2023 | 37 | $89.5M |
| 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 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 |
|---|---|---|---|---|---|
| Federated Hermes, Inc. | 8,509,678 | $5.08M | 0.01% | −2,000,000−19.0% | Reduced |
| Vanguard Capital Management LLC | 3,808,091 | $2.27M | 0.00% | −4,041−0.1% | Reduced |
| Kalehua Capital Management LLC | 3,576,334 | $2.13M | 0.68% | +3,576,334 | New |
| Gsa Capital Partners LLP | 3,454,863 | $2.06M | 0.13% | +1,770,277+105.1% | Added |
| AQR Capital Management LLC | 2,610,548 | $1.56M | 0.00% | +2,114,530+426.3% | Added |
| FMR LLC | 2,471,418 | $1.47M | 0.00% | −12,235,425−83.2% | Reduced |
| BlackRock, Inc. | 1,827,332 | $1.09M | 0.00% | −4,616,572−71.6% | Reduced |
| Jane Street Group, LLC | 1,721,297 | $1.03M | 0.00% | +1,672,795+3,448.9% | Added |
| UBS Group AG | 1,531,151 | $914.1K | 0.00% | −2,336,062−60.4% | Reduced |
| Morgan Stanley | 1,343,636 | $801.9K | 0.00% | +118,169+9.6% | Added |
| Two Sigma Investments, LP | 1,245,147 | $743.1K | 0.00% | +100,582+8.8% | Added |
| Citadel Advisors LLC | 1,242,067 | $741.3K | 0.00% | +1,194,695+2,521.9% | Added |
| Geode Capital Management, LLC | 1,177,020 | $702.7K | 0.00% | −1,208,465−50.7% | Reduced |
| Susquehanna International Group, LLP | 747,039 | $445.8K | 0.00% | −119,705−13.8% | Reduced |
| Millennium Management LLC | 656,051 | $391.5K | 0.00% | −985,195−60.0% | Reduced |
| Goldman Sachs Group Inc | 641,208 | $382.7K | 0.00% | +357,972+126.4% | Added |
| Vanguard Fiduciary Trust Co | 576,125 | $343.9K | 0.00% | −75,707−11.6% | Reduced |
| State Street Corp | 494,951 | $295.4K | 0.00% | −1,259,448−71.8% | Reduced |
| Marshall Wace, LLP | 368,120 | $220.9K | 0.00% | +230,002+166.5% | Added |
| XTX Topco Ltd | 226,678 | $135.3K | 0.00% | +115,255+103.4% | Added |
| Northern Trust Corp | 220,141 | $131.4K | 0.00% | −490,964−69.0% | Reduced |
| Bank of America Corp | 207,468 | $123.7K | 0.00% | −96,091−31.7% | Reduced |
| Renaissance Technologies LLC | 165,222 | $98.6K | 0.00% | +124,700+307.7% | Added |
| JPMorgan Chase & Co | 150,666 | $85.3K | 0.00% | +108,679+258.8% | Added |
| Group One Trading, L.P. | 138,878 | $82.9K | 0.00% | −45,136−24.5% | Reduced |
| Qube Research & Technologies Ltd | 126,996 | $75.8K | 0.00% | +126,996 | New |
| HRT Financial LP | 126,681 | $75.0K | 0.00% | +126,681 | New |
| Dimensional Fund Advisors LP | 90,861 | $54.1K | 0.00% | −1,010−1.1% | Reduced |
| HSBC Holdings PLC | 66,185 | $38.4K | 0.00% | +47,971+263.4% | Added |
| Mariner, LLC | 58,658 | $35.0K | 0.00% | +58,658 | New |
| Hohimer Wealth Management, LLC | 55,000 | $32.8K | 0.00% | −45,000−45.0% | Reduced |
| Mercer Global Advisors Inc | 53,531 | $31.9K | 0.00% | +38,326+252.1% | Added |
| Kingswood Wealth Advisors, LLC | 52,000 | $31.0K | 0.00% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 50,880 | $30.4K | 0.00% | +50,880 | New |
| ADAR1 Capital Management, LLC | 50,685 | $30.2K | 0.00% | 00.0% | Unchanged |
| Alpha Wealth Funds, LLC | 50,000 | $29.9K | 0.02% | +50,000 | New |
| Tower Research Capital LLC (TRC) | 48,768 | $29.1K | 0.00% | +31,342+179.9% | Added |
| Virtu Financial LLC | 46,921 | $28.0K | 0.00% | +6,873+17.2% | Added |
| Creative Planning | 41,593 | $24.8K | 0.00% | +31,085+295.8% | Added |
| Wealth Enhancement Advisory Services, LLC | 43,948 | $23.9K | 0.00% | +28,370+182.1% | Added |
| Point72 Asset Management, L.P. | 37,278 | $22.2K | 0.00% | +37,278 | New |
| Hobbs Group Advisors, LLC | 35,992 | $21.5K | 0.01% | +16,573+85.3% | Added |
| LPL Financial LLC | 35,549 | $21.2K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 33,946 | $20.3K | 0.00% | +17,964+112.4% | Added |
| Vanguard Global Advisers, LLC | 33,414 | $19.9K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 31,029 | $18.5K | 0.00% | −14,094−31.2% | Reduced |
| Rhumbline Advisers | 30,412 | $18.2K | 0.00% | −72,734−70.5% | Reduced |
| Cerity Partners LLC | 29,232 | $17.4K | 0.00% | +29,232 | New |
| Rockefeller Capital Management L.P. | 28,118 | $16.8K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 25,055 | $15.0K | 0.00% | −223−0.9% | Reduced |
| Balyasny Asset Management LLC | 23,015 | $13.7K | 0.00% | +12,685+122.8% | Added |
| Y-Intercept (Hong Kong) Ltd | 22,373 | $13.4K | 0.00% | +22,373 | New |
| Abel Hall, LLC | 22,117 | $13.2K | 0.00% | +22,117 | New |
| Steward Partners Investment Advisory, LLC | 19,600 | $11.7K | 0.00% | +3,000+18.1% | Added |
| MAI Capital Management | 16,846 | $10.1K | 0.00% | +3,342+24.7% | Added |
| Raymond James Financial Inc | 16,801 | $10.0K | 0.00% | +200+1.2% | Added |
| Trust Co of Toledo NA | 16,640 | $9.93K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 16,557 | $9.88K | 0.00% | +16,557 | New |
| JustInvest LLC | 14,899 | $8.89K | 0.00% | −1,770−10.6% | Reduced |
| Close Asset Management Ltd | 12,300 | $7.00K | 0.00% | −3,900−24.1% | Reduced |
| Brighton Jones LLC | 11,458 | $6.84K | 0.00% | +11,458 | New |
| Gladstone Institutional Advisory LLC | 11,300 | $6.74K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 6,500 | $3.88K | 0.00% | −40,040−86.0% | Reduced |
| Royal Bank of Canada | 5,996 | $3.00K | 0.00% | −5,150−46.2% | Reduced |
| Allworth Financial LP | 3,615 | $2.16K | 0.00% | +3,249+887.7% | Added |
| UBS Asset Management Americas Inc | 2,011 | $1.20K | 0.00% | 00.0% | Unchanged |
| Ares Financial Consulting, LLC | 2,000 | $1.19K | 0.00% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 1,979 | $1.18K | 0.00% | −100−4.8% | Reduced |
| Vision Retirement, LLC | 1,500 | $895 | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 1,400 | $836 | 0.00% | +1,000+250.0% | Added |
| Jones Financial Companies LLLP | 1,500 | $791 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 1,276 | $762 | 0.00% | −6,920−84.4% | Reduced |
| EverSource Wealth Advisors, LLC | 1,149 | $685 | 0.00% | +734+176.9% | Added |
| Citigroup Inc | 900 | $537 | 0.00% | −4,991−84.7% | Reduced |
| Rothschild Investment LLC | 885 | $528 | 0.00% | +598+208.4% | Added |
| Clearstead Advisors, LLC | 861 | $515 | 0.00% | +861 | New |
| Essential Partners LLC | 815 | $486 | 0.00% | −803−49.6% | Reduced |
| GAMMA Investing LLC | 659 | $393 | 0.00% | −7,080−91.5% | Reduced |
| True Wealth Design, LLC | 464 | $277 | 0.00% | +392+544.4% | Added |
| Farther Finance Advisors, LLC | 372 | $222 | 0.00% | −948−71.8% | Reduced |
| SJS Investment Consulting Inc. | 208 | $125 | 0.00% | +166+395.2% | Added |
| Larson Financial Group LLC | 150 | $90 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 143 | $85 | 0.00% | −5,858−97.6% | Reduced |
| Caldwell Sutter Capital, Inc. | 52 | $31 | 0.00% | 00.0% | Unchanged |
| IFG Advisory, LLC | 50 | $30 | 0.00% | +50 | New |
| Northwestern Mutual Wealth Management Co | 25 | $15 | 0.00% | +25 | New |
| Nisa Investment Advisors, LLC | 8 | $5 | 0.00% | −966−99.2% | Reduced |
| Caitong International Asset Management Co., Ltd | 1 | $1 | 0.00% | 00.0% | Unchanged |
| FNY Investment Advisers, LLC | 1,500 | $0 | 0.00% | 00.0% | Unchanged |
| Vanguard Portfolio Management LLC | 0 | $0 | 0.00% | −569,227−100.0% | Sold out |
| Nuveen, LLC | 0 | $0 | 0.00% | −229,284−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −210,737−100.0% | Sold out |
| Bank of New York Mellon Corp | 0 | $0 | 0.00% | −193,531−100.0% | Sold out |
| Deutsche Bank AG | 0 | $0 | 0.00% | −103,326−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −88,436−100.0% | Sold out |
| Alliancebernstein L.P. | 0 | $0 | 0.00% | −64,480−100.0% | Sold out |
| Redhawk Wealth Advisors, Inc. | 0 | $0 | 0.00% | −49,150−100.0% | Sold out |
| Invesco Ltd. | 0 | $0 | 0.00% | −46,354−100.0% | Sold out |
| Price T Rowe Associates Inc | 0 | $0 | 0.00% | −46,126−100.0% | Sold out |
| Mirae Asset Global ETFs Holdings Ltd. | 0 | $0 | 0.00% | −46,073−100.0% | Sold out |