Atyr PharmaATYR
13F holders, Q1 2026 (March 31)111holders +27
31new positions
7sold out
4famous investors
$0.78avg. 13F price*
At the end of Q1 2026, 111 institutions reported holding Atyr Pharma Inc. (ATYR) in their 13F filings, up 27 from Q4 2025. 31 opened new positions and 7 sold out. The largest holders were FMR LLC ($11.5M), Federated Hermes, Inc. ($8.2M) and BlackRock, Inc. ($5.0M). 4 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Atyr Pharma Inc.
- CUSIP
- 002120202
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 31 | $1.7M |
| Exits | 7 | $14.0M |
All 13F filers, Q4 2025 → Q1 2026: 5,732,822 shares bought and 3,776,126 shares sold, net +1,956,696 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 111 holders
| FMR LLC | 0.00% | Add +0.1% | 14,706,843 | $11.5M |
| Federated Hermes, Inc. | 0.01% | No change | 10,509,678 | $8.2M |
| BlackRock, Inc. | 0.00% | Reduce -1.6% | 6,443,904 | $5.0M |
| UBS Group AG | 0.00% | Add +137.9% | 3,867,213 | $3.0M |
| Vanguard Capital Management LLC | 0.00% | — | 3,812,132 | $3.0M |
| Geode Capital Management, LLC | 0.00% | Add +4.5% | 2,385,485 | $1.9M |
| State Street Corp. | 0.00% | Add +1.7% | 1,754,399 | $1.4M |
| Gsa Capital Partners LLP | 0.08% | Reduce -36.0% | 1,684,586 | $1.3M |
| Millennium Management | 0.00% | New | 1,641,246 | $1.3M |
| Morgan Stanley | 0.00% | Reduce -12.7% | 1,225,467 | $956K |
| Two Sigma Investments, LP | 0.00% | Add +151.9% | 1,144,565 | $893K |
| Susquehanna International Group, LLP | 0.00% | Add +13.3% | 866,744 | $676K |
| Northern Trust Corp. | 0.00% | Add +1.3% | 711,105 | $555K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 651,832 | $508K |
| Vanguard Portfolio Management LLC | 0.00% | — | 569,227 | $444K |
| AQR Capital Management | 0.00% | Reduce -35.6% | 496,018 | $387K |
| Bank of America Corp. | 0.00% | Add +139.6% | 303,559 | $237K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -18.0% | 283,236 | $221K |
| Nuveen, LLC | 0.00% | Add +0.6% | 229,284 | $179K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -5.0% | 210,737 | $164K |
| Bank of New York Mellon Corp | 0.00% | Reduce 0.0% | 193,531 | $151K |
| Group One Trading LLC | 0.00% | Reduce -3.7% | 184,014 | $144K |
| Marshall Wace, LLP | 0.00% | New | 138,118 | $108K |
| XTX Topco Ltd | 0.00% | Add +40.4% | 111,423 | $87K |
| Deutsche Bank AG | 0.00% | Reduce -14.1% | 103,326 | $81K |
| Rhumbline Advisers | 0.00% | Add +3.4% | 103,146 | $80K |
| Hohimer Wealth Management, LLC | 0.01% | New | 100,000 | $78K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -5.8% | 91,871 | $71K |
| Victory Capital Management Inc. | 0.00% | Reduce -51.4% | 88,436 | $69K |
| Alliancebernstein L.P. | 0.00% | No change | 64,480 | $50K |
| Kingswood Wealth Advisors, LLC | 0.00% | No change | 52,000 | $41K |
| ADAR1 Capital Management, LLC | 0.00% | No change | 50,685 | $40K |
| Redhawk Wealth Advisors, Inc. | 0.00% | New | 49,150 | $38K |
| Jane Street Group, LLC | 0.00% | Reduce -74.2% | 48,502 | $38K |
| Citadel Advisors | 0.00% | New | 47,372 | $37K |
| Wells Fargo & Company | 0.00% | Reduce -60.1% | 46,540 | $36K |
| Invesco Ltd. | 0.00% | Add +0.3% | 46,354 | $36K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 46,126 | $36K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +10.1% | 46,073 | $36K |
| Belpointe Asset Management LLC | 0.00% | Add +338.2% | 45,738 | $36K |
| Barclays PLC | 0.00% | Reduce -74.1% | 45,123 | $35K |
| Renaissance Technologies | 0.00% | New | 40,522 | $32K |
| Virtu Financial LLC | 0.00% | Reduce -49.3% | 40,048 | $31K |
| JPMorgan Chase & Co. | 0.00% | Reduce -62.0% | 41,987 | $31K |
| Cwm, LLC | 0.00% | Add +351.4% | 36,010 | $28K |
| LPL Financial LLC | 0.00% | Add +18.1% | 35,549 | $28K |
| Sei Investments Co. | 0.00% | No change | 33,829 | $26K |
| Vanguard Global Advisers, LLC | 0.00% | — | 33,414 | $26K |
| Rockefeller Capital Management L.P. | 0.00% | No change | 28,118 | $22K |
| New York State Common Retirement Fund | 0.00% | No change | 27,500 | $21K |
| Intech Investment Management LLC | 0.00% | Reduce -17.6% | 26,187 | $20K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 26,081 | $20K |
| BNP Paribas Financial Markets | 0.00% | Reduce -4.7% | 25,278 | $20K |
| Neuberger Berman Group LLC | 0.00% | Add +6.3% | 21,743 | $17K |
| RBF Capital, LLC | 0.00% | No change | 20,000 | $16K |
| Hobbs Group Advisors, LLC | 0.00% | New | 19,419 | $15K |
| HSBC Holdings PLC | 0.00% | Add +12.9% | 18,214 | $14K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +26.9% | 17,426 | $14K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | New | 15,578 | $13K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | New | 16,669 | $13K |
| TrinityBridge Ltd | 0.00% | New | 16,200 | $13K |
| Trust Co. of Toledo NA | 0.00% | New | 16,640 | $13K |
| Raymond James Financial Inc. | 0.00% | Add +4.0% | 16,601 | $13K |
| Steward Partners Investment Advisory, LLC | 0.00% | New | 16,600 | $13K |
| Captrust Financial Advisors | 0.00% | New | 15,982 | $12K |
| Mercer Global Advisors Inc. | 0.00% | New | 15,205 | $12K |
| Prudential Financial Inc. | 0.00% | New | 14,660 | $11K |
| ProShare Advisors LLC | 0.00% | Reduce -20.6% | 13,905 | $11K |
| MAI Capital Management | 0.00% | Reduce -11.4% | 13,504 | $11K |
| Crossmark Global Holdings, Inc. | 0.00% | No change | 12,666 | $10K |
| Pasadena Private Wealth, LLC | 0.00% | New | 12,228 | $10K |
| Apollon Wealth Management, LLC | 0.00% | Reduce -7.8% | 11,900 | $9K |
| Royal Bank of Canada | 0.00% | Add +112.2% | 11,146 | $9K |
| Russell Investments Group, Ltd. | 0.00% | Add +57.7% | 11,361 | $9K |
| Gladstone Institutional Advisory LLC | 0.00% | No change | 11,300 | $9K |
| Manufacturers Life Insurance Company, The | 0.00% | New | 10,552 | $8K |
| Creative Planning | 0.00% | New | 10,508 | $8K |
| Voya Investment Management LLC | 0.00% | Reduce -37.7% | 10,338 | $8K |
| Balyasny Asset Management L.P. | 0.00% | New | 10,330 | $8K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 8,881 | $7K |
| PNC Financial Services Group, Inc. | 0.00% | Add +1614.6% | 8,196 | $6K |
| Legal & General Group Plc | 0.00% | Reduce -17.2% | 7,920 | $6K |
| GAMMA Investing LLC | 0.00% | New | 7,739 | $6K |
| My Portfolio Guide, LLC | 0.00% | — | 7,000 | $5K |
| IFP Advisors, Inc | 0.00% | New | 6,001 | $5K |
| Citigroup Inc. | 0.00% | Add +91.9% | 5,891 | $5K |
| California State Teachers Retirement System | 0.00% | Reduce -12.1% | 5,190 | $4K |
| Osaic Holdings, Inc. | 0.00% | New | 5,000 | $4K |
| Ares Financial Consulting, LLC | 0.00% | New | 2,000 | $2K |
| NFSG Corp | 0.00% | Reduce -42.3% | 2,079 | $2K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | New | 2,011 | $2K |
| Essential Partners LLC | 0.00% | Add +824.6% | 1,618 | $1K |
| Vision Retirement, LLC | 0.00% | No change | 1,500 | $1K |
| Jones Financial Companies LLLP | 0.00% | No change | 1,500 | $1K |
| Farther Finance Advisors, LLC | 0.00% | Reduce -40.7% | 1,320 | $1K |
| Toth Financial Advisory Corp. | 0.00% | New | 1,400 | $1K |
| Simplex Trading, LLC | 0.00% | Reduce -94.9% | 1,335 | $1K |
| FNY Investment Advisers, LLC | 0.00% | Reduce -68.8% | 1,500 | $1K |
| Nisa Investment Advisors, LLC | 0.00% | New | 974 | $760 |
| Sterling Capital Management LLC | 0.00% | Reduce -20.6% | 742 | $579 |
"% of holder's portfolio" is ATYR's weight in each manager's 13F, not the share of Atyr Pharma Inc. the manager owns.