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 |
|---|---|---|---|---|---|
| FNY Investment Advisers, LLC | 1,500 | $0 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 1 | $1 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 8 | $5 | 0.00% | −966−99.2% | Reduced |
| Northwestern Mutual Wealth Management Co | 25 | $15 | 0.00% | +25 | New |
| IFG Advisory, LLC | 50 | $30 | 0.00% | +50 | New |
| Caldwell Sutter Capital, Inc. | 52 | $31 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 143 | $85 | 0.00% | −5,858−97.6% | Reduced |
| Larson Financial Group LLC | 150 | $90 | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 208 | $125 | 0.00% | +166+395.2% | Added |
| Farther Finance Advisors, LLC | 372 | $222 | 0.00% | −948−71.8% | Reduced |
| True Wealth Design, LLC | 464 | $277 | 0.00% | +392+544.4% | Added |
| GAMMA Investing LLC | 659 | $393 | 0.00% | −7,080−91.5% | Reduced |
| Essential Partners LLC | 815 | $486 | 0.00% | −803−49.6% | Reduced |
| Clearstead Advisors, LLC | 861 | $515 | 0.00% | +861 | New |
| Rothschild Investment LLC | 885 | $528 | 0.00% | +598+208.4% | Added |
| Citigroup Inc | 900 | $537 | 0.00% | −4,991−84.7% | Reduced |
| EverSource Wealth Advisors, LLC | 1,149 | $685 | 0.00% | +734+176.9% | Added |
| The PNC Financial Services Group, Inc. | 1,276 | $762 | 0.00% | −6,920−84.4% | Reduced |
| Jones Financial Companies LLLP | 1,500 | $791 | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 1,400 | $836 | 0.00% | +1,000+250.0% | Added |
| Vision Retirement, LLC | 1,500 | $895 | 0.00% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 1,979 | $1.18K | 0.00% | −100−4.8% | Reduced |
| Ares Financial Consulting, LLC | 2,000 | $1.19K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 2,011 | $1.20K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 3,615 | $2.16K | 0.00% | +3,249+887.7% | Added |
| Royal Bank of Canada | 5,996 | $3.00K | 0.00% | −5,150−46.2% | Reduced |
| Wells Fargo & Company | 6,500 | $3.88K | 0.00% | −40,040−86.0% | Reduced |
| Gladstone Institutional Advisory LLC | 11,300 | $6.74K | 0.00% | 00.0% | Unchanged |
| Brighton Jones LLC | 11,458 | $6.84K | 0.00% | +11,458 | New |
| Close Asset Management Ltd | 12,300 | $7.00K | 0.00% | −3,900−24.1% | Reduced |
| JustInvest LLC | 14,899 | $8.89K | 0.00% | −1,770−10.6% | Reduced |
| SRS Capital Advisors, Inc. | 16,557 | $9.88K | 0.00% | +16,557 | New |
| Trust Co of Toledo NA | 16,640 | $9.93K | 0.00% | 00.0% | Unchanged |
| Raymond James Financial Inc | 16,801 | $10.0K | 0.00% | +200+1.2% | Added |
| MAI Capital Management | 16,846 | $10.1K | 0.00% | +3,342+24.7% | Added |
| Steward Partners Investment Advisory, LLC | 19,600 | $11.7K | 0.00% | +3,000+18.1% | Added |
| Abel Hall, LLC | 22,117 | $13.2K | 0.00% | +22,117 | New |
| Y-Intercept (Hong Kong) Ltd | 22,373 | $13.4K | 0.00% | +22,373 | New |
| Balyasny Asset Management LLC | 23,015 | $13.7K | 0.00% | +12,685+122.8% | Added |
| BNP Paribas Arbitrage, SA | 25,055 | $15.0K | 0.00% | −223−0.9% | Reduced |
| Rockefeller Capital Management L.P. | 28,118 | $16.8K | 0.00% | 00.0% | Unchanged |
| Cerity Partners LLC | 29,232 | $17.4K | 0.00% | +29,232 | New |
| Rhumbline Advisers | 30,412 | $18.2K | 0.00% | −72,734−70.5% | Reduced |
| Barclays PLC | 31,029 | $18.5K | 0.00% | −14,094−31.2% | Reduced |
| Vanguard Global Advisers, LLC | 33,414 | $19.9K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 33,946 | $20.3K | 0.00% | +17,964+112.4% | Added |
| LPL Financial LLC | 35,549 | $21.2K | 0.00% | 00.0% | Unchanged |
| Hobbs Group Advisors, LLC | 35,992 | $21.5K | 0.01% | +16,573+85.3% | Added |
| Point72 Asset Management, L.P. | 37,278 | $22.2K | 0.00% | +37,278 | New |
| Wealth Enhancement Advisory Services, LLC | 43,948 | $23.9K | 0.00% | +28,370+182.1% | Added |
| Creative Planning | 41,593 | $24.8K | 0.00% | +31,085+295.8% | Added |
| Virtu Financial LLC | 46,921 | $28.0K | 0.00% | +6,873+17.2% | Added |
| Tower Research Capital LLC (TRC) | 48,768 | $29.1K | 0.00% | +31,342+179.9% | Added |
| Alpha Wealth Funds, LLC | 50,000 | $29.9K | 0.02% | +50,000 | New |
| ADAR1 Capital Management, LLC | 50,685 | $30.2K | 0.00% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 50,880 | $30.4K | 0.00% | +50,880 | New |
| Kingswood Wealth Advisors, LLC | 52,000 | $31.0K | 0.00% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 53,531 | $31.9K | 0.00% | +38,326+252.1% | Added |
| Hohimer Wealth Management, LLC | 55,000 | $32.8K | 0.00% | −45,000−45.0% | Reduced |
| Mariner, LLC | 58,658 | $35.0K | 0.00% | +58,658 | New |
| HSBC Holdings PLC | 66,185 | $38.4K | 0.00% | +47,971+263.4% | Added |
| Dimensional Fund Advisors LP | 90,861 | $54.1K | 0.00% | −1,010−1.1% | Reduced |
| HRT Financial LP | 126,681 | $75.0K | 0.00% | +126,681 | New |
| Qube Research & Technologies Ltd | 126,996 | $75.8K | 0.00% | +126,996 | New |
| Group One Trading, L.P. | 138,878 | $82.9K | 0.00% | −45,136−24.5% | Reduced |
| JPMorgan Chase & Co | 150,666 | $85.3K | 0.00% | +108,679+258.8% | Added |
| Renaissance Technologies LLC | 165,222 | $98.6K | 0.00% | +124,700+307.7% | Added |
| Bank of America Corp | 207,468 | $123.7K | 0.00% | −96,091−31.7% | Reduced |
| Northern Trust Corp | 220,141 | $131.4K | 0.00% | −490,964−69.0% | Reduced |
| XTX Topco Ltd | 226,678 | $135.3K | 0.00% | +115,255+103.4% | Added |
| Marshall Wace, LLP | 368,120 | $220.9K | 0.00% | +230,002+166.5% | Added |
| State Street Corp | 494,951 | $295.4K | 0.00% | −1,259,448−71.8% | Reduced |
| Vanguard Fiduciary Trust Co | 576,125 | $343.9K | 0.00% | −75,707−11.6% | Reduced |
| Goldman Sachs Group Inc | 641,208 | $382.7K | 0.00% | +357,972+126.4% | Added |
| Millennium Management LLC | 656,051 | $391.5K | 0.00% | −985,195−60.0% | Reduced |
| Susquehanna International Group, LLP | 747,039 | $445.8K | 0.00% | −119,705−13.8% | Reduced |
| Geode Capital Management, LLC | 1,177,020 | $702.7K | 0.00% | −1,208,465−50.7% | Reduced |
| Citadel Advisors LLC | 1,242,067 | $741.3K | 0.00% | +1,194,695+2,521.9% | Added |
| Two Sigma Investments, LP | 1,245,147 | $743.1K | 0.00% | +100,582+8.8% | Added |
| Morgan Stanley | 1,343,636 | $801.9K | 0.00% | +118,169+9.6% | Added |
| UBS Group AG | 1,531,151 | $914.1K | 0.00% | −2,336,062−60.4% | Reduced |
| Jane Street Group, LLC | 1,721,297 | $1.03M | 0.00% | +1,672,795+3,448.9% | Added |
| Kalehua Capital Management LLC | 1,788,167 | $1.07M | 0.61% | +1,788,167 | New |
| BlackRock, Inc. | 1,827,332 | $1.09M | 0.00% | −4,616,572−71.6% | Reduced |
| FMR LLC | 2,471,418 | $1.47M | 0.00% | −12,235,425−83.2% | Reduced |
| AQR Capital Management LLC | 2,610,548 | $1.56M | 0.00% | +2,114,530+426.3% | Added |
| Gsa Capital Partners LLP | 3,454,863 | $2.06M | 0.13% | +1,770,277+105.1% | Added |
| Vanguard Capital Management LLC | 3,808,091 | $2.27M | 0.00% | −4,041−0.1% | Reduced |
| Federated Hermes, Inc. | 8,509,678 | $5.08M | 0.01% | −2,000,000−19.0% | Reduced |
| 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 |