aTYR PHARMA INC - ATYR
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| FMR LLC | History | Added to | 14,706,843 | 11,471 | 0.0% | 0.0% | 1 | +8,848 | 0.06% | Q1 2026 | May 15, 2026 |
| FEDERATED HERMES, INC. | History | No change | 10,509,678 | 8,197 | 0.01% | 0.01% | 2 | 0 | 0.0% | Q1 2026 | May 11, 2026 |
| BlackRock, Inc. | History | Reduced | 6,443,904 | 5,026 | 0.0% | 0.0% | 3 | -105,795 | -1.62% | Q1 2026 | May 13, 2026 |
| VANGUARD GROUP INC | History | No change | 4,961,871 | 3,885 | 0.0% | 0.0% | 4 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| UBS Group AG | History | Added to | 3,867,213 | 3,016 | 0.0% | 0.0% | 5 | +2,241,916 | 137.94% | Q1 2026 | May 05, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 3,812,132 | 2,973 | 0.0% | — | 6 | +3,812,132 | New | Q1 2026 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 2,385,485 | 1,861 | 0.0% | 0.0% | 7 | +101,768 | 4.46% | Q1 2026 | May 15, 2026 |
| STATE STREET CORP | History | Added to | 1,754,399 | 1,368 | 0.0% | 0.0% | 8 | +29,556 | 1.71% | Q1 2026 | May 15, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Reduced | 1,684,586 | 1,314 | 0.08% | 0.18% | 9 | -946,052 | -35.96% | Q1 2026 | May 08, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | New | 1,641,246 | 1,280 | 0.0% | — | 10 | +1,641,246 | New | Q1 2026 | May 15, 2026 |
| MORGAN STANLEY | History | Reduced | 1,225,467 | 955 | 0.0% | 0.0% | 11 | -177,542 | -12.65% | Q1 2026 | May 15, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Added to | 1,144,565 | 892 | 0.0% | 0.0% | 12 | +690,122 | 151.86% | Q1 2026 | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 1,132,344 | 883 | 0.0% | 0.0% | 13 | +43,001 | 3.95% | Q1 2026 | May 15, 2026 |
| TWO SIGMA ADVISERS, LP | History | No change | 841,350 | 658 | 0.0% | 0.0% | 14 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| NORTHERN TRUST CORP | History | Added to | 711,105 | 554 | 0.0% | 0.0% | 15 | +8,919 | 1.27% | Q1 2026 | May 14, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 651,832 | 508 | 0.0% | — | 16 | +651,832 | New | Q1 2026 | May 08, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | History | New | 569,227 | 443 | 0.0% | — | 17 | +569,227 | New | Q1 2026 | May 08, 2026 |
| JANE STREET GROUP, LLC | History | Reduced | 501,402 | 391 | 0.0% | 0.0% | 18 | -21,947 | -4.19% | Q1 2026 | May 12, 2026 |
| AQR CAPITAL MANAGEMENT LLC | History | Reduced | 496,018 | 386 | 0.0% | 0.0% | 19 | -273,802 | -35.57% | Q1 2026 | May 15, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 303,559 | 236 | 0.0% | 0.0% | 20 | +176,859 | 139.59% | Q1 2026 | May 15, 2026 |
| GOLDMAN SACHS GROUP INC | History | Reduced | 283,236 | 220 | 0.0% | 0.0% | 21 | -62,351 | -18.04% | Q1 2026 | May 15, 2026 |
| Nuveen, LLC | History | Added to | 229,284 | 178 | 0.0% | 0.0% | 22 | +1,343 | 0.59% | Q1 2026 | Apr 30, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Reduced | 210,737 | 164 | 0.0% | 0.0% | 23 | -11,030 | -4.97% | Q1 2026 | May 15, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 203,372 | 158 | 0.0% | 0.0% | 24 | -177,628 | -46.62% | Q1 2026 | May 15, 2026 |
| Bank of New York Mellon Corp | History | Reduced | 193,531 | 150 | 0.0% | 0.0% | 25 | -1 | -0.0% | Q1 2026 | May 05, 2026 |
| GROUP ONE TRADING LLC | History | Reduced | 184,014 | 143 | 0.0% | 0.0% | 26 | -7,034 | -3.68% | Q1 2026 | May 13, 2026 |
| MARSHALL WACE, LLP | History | New | 138,118 | 107 | 0.0% | — | 27 | +138,118 | New | Q1 2026 | May 14, 2026 |
| XTX Topco Ltd | History | Added to | 111,423 | 86 | 0.0% | 0.0% | 28 | +32,058 | 40.39% | Q1 2026 | May 15, 2026 |
| DEUTSCHE BANK AG\ | History | Reduced | 103,326 | 80 | 0.0% | 0.0% | 29 | -17,015 | -14.14% | Q1 2026 | May 06, 2026 |
| RHUMBLINE ADVISERS | History | Added to | 103,146 | 80 | 0.0% | 0.0% | 30 | +3,384 | 3.39% | Q1 2026 | May 12, 2026 |
| HOHIMER WEALTH MANAGEMENT, LLC | History | New | 100,000 | 78 | 0.01% | — | 31 | +100,000 | New | Q1 2026 | Apr 30, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Reduced | 91,871 | 71 | 0.0% | 0.0% | 32 | -5,626 | -5.77% | Q1 2026 | May 07, 2026 |
| VICTORY CAPITAL MANAGEMENT INC | History | Reduced | 88,436 | 68 | 0.0% | 0.0% | 33 | -93,530 | -51.4% | Q1 2026 | May 15, 2026 |
| ALLIANCEBERNSTEIN L.P. | History | No change | 64,480 | 50 | 0.0% | 0.0% | 34 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| KINGSWOOD WEALTH ADVISORS, LLC | History | No change | 52,000 | 40 | 0.0% | 0.0% | 35 | 0 | 0.0% | Q1 2026 | Apr 28, 2026 |
| ADAR1 Capital Management, LLC | History | No change | 50,685 | 39 | 0.0% | 0.0% | 36 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Redhawk Wealth Advisors, Inc. | History | New | 49,150 | 38 | 0.0% | — | 37 | +49,150 | New | Q1 2026 | Apr 15, 2026 |
| WELLS FARGO & COMPANY/MN | History | Reduced | 46,540 | 36 | 0.0% | 0.0% | 38 | -70,177 | -60.13% | Q1 2026 | May 11, 2026 |
| Invesco Ltd. | History | Added to | 46,354 | 36 | 0.0% | 0.0% | 40 | +121 | 0.26% | Q1 2026 | May 12, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | No change | 46,126 | 36 | 0.0% | 0.0% | 39 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| BARCLAYS PLC | History | Reduced | 45,123 | 35 | 0.0% | 0.0% | 41 | -129,059 | -74.09% | Q1 2026 | May 14, 2026 |
| Belpointe Asset Management LLC | History | Added to | 45,738 | 35 | 0.0% | 0.0% | 43 | +35,300 | 338.19% | Q1 2026 | Apr 28, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | Added to | 46,073 | 35 | 0.0% | 0.0% | 42 | +4,229 | 10.11% | Q1 2026 | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | New | 40,522 | 31 | 0.0% | — | 45 | +40,522 | New | Q1 2026 | May 14, 2026 |
| Virtu Financial LLC | History | Reduced | 40,048 | 31 | 0.0% | 0.0% | 44 | -38,905 | -49.28% | Q1 2026 | May 14, 2026 |
| JPMORGAN CHASE & CO | History | Reduced | 41,987 | 30 | 0.0% | 0.0% | 46 | -68,386 | -61.96% | Q1 2026 | May 13, 2026 |
| CWM, LLC | History | Added to | 36,010 | 28 | 0.0% | 0.0% | 47 | +28,032 | 351.37% | Q1 2026 | May 14, 2026 |
| LPL Financial LLC | History | Added to | 35,549 | 27 | 0.0% | 0.0% | 48 | +5,449 | 18.1% | Q1 2026 | May 06, 2026 |
| Vanguard Global Advisers, LLC | History | New | 33,414 | 26 | 0.0% | — | 50 | +33,414 | New | Q1 2026 | May 08, 2026 |
| SEI INVESTMENTS CO | History | No change | 33,829 | 26 | 0.0% | 0.0% | 49 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | No change | 27,500 | 21 | 0.0% | 0.0% | 51 | 0 | 0.0% | Q1 2026 | May 06, 2026 |
| Rockefeller Capital Management L.P. | History | No change | 28,118 | 21 | 0.0% | 0.0% | 52 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| INTECH INVESTMENT MANAGEMENT LLC | History | Reduced | 26,187 | 20 | 0.0% | 0.0% | 53 | -5,587 | -17.58% | Q1 2026 | May 08, 2026 |
| Police & Firemen's Retirement System of New Jersey | History | No change | 26,081 | 20 | 0.0% | 0.0% | 54 | 0 | 0.0% | Q1 2026 | Apr 29, 2026 |
| DIADEMA PARTNERS LP | History | Reduced | 24,700 | 19 | 0.0% | 0.0% | 56 | -2,600 | -9.52% | Q1 2026 | May 15, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 25,278 | 19 | 0.0% | 0.0% | 55 | -1,240 | -4.68% | Q1 2026 | May 12, 2026 |
| Neuberger Berman Group LLC | History | Added to | 21,743 | 16 | 0.0% | 0.0% | 57 | +1,289 | 6.3% | Q1 2026 | May 14, 2026 |
| Hobbs Group Advisors, LLC | History | New | 19,419 | 15 | 0.0% | — | 59 | +19,419 | New | Q1 2026 | May 20, 2026 |
| RBF Capital, LLC | History | No change | 20,000 | 15 | 0.0% | 0.0% | 58 | 0 | 0.0% | Q1 2026 | May 18, 2026 |
| Vanguard Personalized Indexing Management, LLC | History | New | 16,669 | 13 | 0.0% | — | 64 | +16,669 | New | Q1 2026 | May 14, 2026 |
| TrinityBridge Ltd | History | New | 16,200 | 13 | 0.0% | — | 63 | +16,200 | New | Q1 2026 | May 12, 2026 |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | History | New | 15,578 | 13 | 0.0% | — | 62 | +15,578 | New | Q1 2026 | Apr 08, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 17,426 | 13 | 0.0% | 0.0% | 61 | +3,697 | 26.93% | Q1 2026 | May 15, 2026 |
| HSBC HOLDINGS PLC | History | Added to | 18,214 | 13 | 0.0% | 0.0% | 60 | +2,078 | 12.88% | Q1 2026 | Apr 30, 2026 |
| TRUST CO OF TOLEDO NA /OH/ | History | New | 16,640 | 12 | 0.0% | — | 66 | +16,640 | New | Q1 2026 | Apr 15, 2026 |
| Steward Partners Investment Advisory, LLC | History | New | 16,600 | 12 | 0.0% | — | 68 | +16,600 | New | Q1 2026 | May 08, 2026 |
| CAPTRUST FINANCIAL ADVISORS | History | New | 15,982 | 12 | 0.0% | — | 67 | +15,982 | New | Q1 2026 | May 14, 2026 |
| RAYMOND JAMES FINANCIAL INC | History | Added to | 16,601 | 12 | 0.0% | 0.0% | 65 | +640 | 4.01% | Q1 2026 | May 14, 2026 |
| MERCER GLOBAL ADVISORS INC /ADV | History | New | 15,205 | 11 | 0.0% | — | 69 | +15,205 | New | Q1 2026 | May 15, 2026 |
| PRUDENTIAL FINANCIAL INC | History | New | 14,660 | 11 | 0.0% | — | 70 | +14,660 | New | Q1 2026 | May 13, 2026 |
| ProShare Advisors LLC | History | Reduced | 13,905 | 10 | 0.0% | 0.0% | 72 | -3,619 | -20.65% | Q1 2026 | Apr 24, 2026 |
| MAI Capital Management | History | Reduced | 13,504 | 10 | 0.0% | 0.0% | 71 | -1,735 | -11.39% | Q1 2026 | May 15, 2026 |
| Pasadena Private Wealth, LLC | History | New | 12,228 | 9 | 0.0% | — | 76 | +12,228 | New | Q1 2026 | Apr 22, 2026 |
| ROYAL BANK OF CANADA | History | Added to | 11,146 | 9 | 0.0% | 0.0% | 73 | +5,893 | 112.18% | Q1 2026 | May 15, 2026 |
| Apollon Wealth Management, LLC | History | Reduced | 11,900 | 9 | 0.0% | 0.0% | 75 | -1,000 | -7.75% | Q1 2026 | Apr 22, 2026 |
| Crossmark Global Holdings, Inc. | History | No change | 12,666 | 9 | 0.0% | 0.0% | 74 | 0 | 0.0% | Q1 2026 | May 11, 2026 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | History | New | 10,552 | 8 | 0.0% | — | 80 | +10,552 | New | Q1 2026 | May 15, 2026 |
| Creative Planning | History | New | 10,508 | 8 | 0.0% | — | 82 | +10,508 | New | Q1 2026 | May 12, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | History | New | 10,330 | 8 | 0.0% | — | 81 | +10,330 | New | Q1 2026 | May 15, 2026 |
| VOYA INVESTMENT MANAGEMENT LLC | History | Reduced | 10,338 | 8 | 0.0% | 0.0% | 77 | -6,256 | -37.7% | Q1 2026 | May 12, 2026 |
| Russell Investments Group, Ltd. | History | Added to | 11,361 | 8 | 0.0% | 0.0% | 78 | +4,156 | 57.68% | Q1 2026 | May 08, 2026 |
| Gladstone Institutional Advisory LLC | History | No change | 11,300 | 8 | 0.0% | 0.0% | 79 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| GAMMA Investing LLC | History | New | 7,739 | 6 | 0.0% | — | 86 | +7,739 | New | Q1 2026 | Apr 06, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | Added to | 8,196 | 6 | 0.0% | — | 83 | +7,718 | 1614.64% | Q1 2026 | May 08, 2026 |
| Legal & General Group Plc | History | Reduced | 7,920 | 6 | 0.0% | 0.0% | 84 | -1,650 | -17.24% | Q1 2026 | May 08, 2026 |
| Ameritas Investment Partners, Inc. | History | No change | 8,881 | 6 | 0.0% | 0.0% | 85 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| My Portfolio Guide, LLC | History | New | 7,000 | 5 | 0.0% | — | 88 | +7,000 | New | Q1 2026 | May 05, 2026 |
| Persistent Asset Partners Ltd | History | New | 55 | 5 | 0.0% | — | 87 | +55 | New | Q1 2026 | May 12, 2026 |
| IFP Advisors, Inc | History | New | 6,001 | 4 | 0.0% | — | 91 | +6,001 | New | Q1 2026 | Apr 13, 2026 |
| CITIGROUP INC | History | Added to | 5,891 | 4 | 0.0% | 0.0% | 89 | +2,821 | 91.89% | Q1 2026 | May 11, 2026 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | Reduced | 5,190 | 4 | 0.0% | 0.0% | 90 | -711 | -12.05% | Q1 2026 | May 15, 2026 |
| OSAIC HOLDINGS, INC. | History | New | 5,000 | 3 | 0.0% | — | 92 | +5,000 | New | Q1 2026 | May 15, 2026 |
| SIMPLEX TRADING, LLC | History | Reduced | 1,335 | 1 | 0.0% | 0.0% | 94 | -24,892 | -94.91% | Q1 2026 | May 14, 2026 |
| FNY Investment Advisers, LLC | History | Reduced | 1,515 | 1 | 0.0% | 0.0% | 95 | -3,333 | -68.75% | Q1 2026 | Apr 15, 2026 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | History | New | 2,011 | 1 | 0.0% | — | 100 | +2,011 | New | Q1 2026 | May 13, 2026 |
| Ares Financial Consulting, LLC | History | New | 2,000 | 1 | 0.0% | — | 102 | +2,000 | New | Q1 2026 | Apr 02, 2026 |
| NFSG Corp | History | Reduced | 2,079 | 1 | 0.0% | 0.0% | 96 | -1,521 | -42.25% | Q1 2026 | May 05, 2026 |
| Essential Partners LLC | History | Added to | 1,618 | 1 | 0.0% | — | 99 | +1,443 | 824.57% | Q1 2026 | May 21, 2026 |
| TOTH FINANCIAL ADVISORY CORP | History | New | 1,400 | 1 | 0.0% | — | 101 | +1,400 | New | Q1 2026 | Apr 16, 2026 |
| Farther Finance Advisors, LLC | History | Reduced | 1,320 | 1 | 0.0% | 0.0% | 97 | -905 | -40.67% | Q1 2026 | Apr 07, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | No change | 1,500 | 1 | 0.0% | 0.0% | 93 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Vision Retirement, LLC | History | No change | 1,500 | 1 | 0.0% | 0.0% | 98 | 0 | 0.0% | Q1 2026 | May 07, 2026 |
| Rosalind Advisors, Inc. | History | Closed out | 0 | 0 | — | 4.78% | — | -1,039,080 | -100.0% | Q1 2026 | May 14, 2026 |
| Tikvah Management LLC | History | Closed out | 0 | 0 | — | 0.1% | — | -460,833 | -100.0% | Q1 2026 | May 14, 2026 |
| TWO SIGMA SECURITIES, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -39,006 | -100.0% | Q1 2026 | May 15, 2026 |
| SG Americas Securities, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -24,032 | -100.0% | Q1 2026 | Apr 16, 2026 |
| Dauntless Investment Group, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -14,000 | -100.0% | Q1 2026 | May 14, 2026 |
| R Squared Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -11,255 | -100.0% | Q1 2026 | Apr 29, 2026 |
| AMALGAMATED BANK | History | Closed out | 0 | 0 | — | 0.0% | — | -3,014 | -100.0% | Q1 2026 | May 08, 2026 |
| NISA INVESTMENT ADVISORS, LLC | History | New | 974 | 0 | — | — | — | +974 | New | Q1 2026 | Apr 30, 2026 |
| Allworth Financial LP | History | New | 366 | 0 | — | — | — | +366 | New | Q1 2026 | May 14, 2026 |
| NATIXIS | History | Closed out | 0 | 0 | — | — | — | -280 | -100.0% | Q1 2026 | May 14, 2026 |
| EverSource Wealth Advisors, LLC | History | Added to | 415 | 0 | — | — | — | +254 | 157.76% | Q1 2026 | May 15, 2026 |
| Sterling Capital Management LLC | History | Reduced | 742 | 0 | — | — | — | -192 | -20.56% | Q1 2026 | Apr 22, 2026 |
| ROTHSCHILD INVESTMENT LLC | History | Added to | 287 | 0 | — | — | — | +178 | 163.3% | Q1 2026 | May 07, 2026 |
| Wealth Preservation Advisors, LLC | History | New | 157 | 0 | — | — | — | +157 | New | Q1 2026 | May 15, 2026 |
| Caitong International Asset Management Co., Ltd | History | Reduced | 1 | 0 | — | — | — | -133 | -99.25% | Q1 2026 | May 11, 2026 |
| True Wealth Design, LLC | History | New | 72 | 0 | — | — | — | +72 | New | Q1 2026 | Apr 13, 2026 |
| SJS Investment Consulting Inc. | History | New | 42 | 0 | — | — | — | +42 | New | Q1 2026 | Apr 23, 2026 |
| Root Financial Partners, LLC | History | New | 9 | 0 | — | — | — | +9 | New | Q1 2026 | Apr 24, 2026 |
| CALDWELL SUTTER CAPITAL, INC. | History | No change | 52 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 05, 2026 |
| MCF Advisors LLC | History | No change | 400 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 11, 2026 |
| Larson Financial Group LLC | History | No change | 150 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |