Atyr PharmaATYR
13F holders, Q4 2025 (December 31)84holders −19
15new positions
34sold out
1famous investor
$1.02avg. 13F price*
At the end of Q4 2025, 84 institutions reported holding Atyr Pharma Inc. (ATYR) in their 13F filings, down 19 from Q3 2025. 15 opened new positions and 34 sold out. The largest holders were Rosalind Advisors, Inc. ($13.6M), FMR LLC ($11.5M) and Federated Hermes, Inc. ($8.2M). One famous investor held it Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Atyr Pharma Inc.
- CUSIP
- 002120202
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 15 | $1.5M |
| Exits | 34 | $4.1M |
All 13F filers, Q3 2025 → Q4 2025: 5,921,143 shares bought and 12,978,835 shares sold, net −7,057,692 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 84 holders
| Rosalind Advisors, Inc. | 4.96% | No change | 1,039,080 | $13.6M |
| FMR LLC | 0.00% | No change | 14,697,995 | $11.5M |
| Federated Hermes, Inc. | 0.01% | Reduce -0.3% | 10,509,678 | $8.2M |
| BlackRock, Inc. | 0.00% | Add +1.2% | 6,549,699 | $5.1M |
| Vanguard Group Inc. | 0.00% | Reduce -11.9% | 4,961,871 | $3.9M |
| Gsa Capital Partners LLP | 0.18% | Add +272.2% | 2,630,638 | $2.1M |
| Geode Capital Management, LLC | 0.00% | Add +4.8% | 2,283,717 | $1.8M |
| State Street Corp. | 0.00% | Reduce -58.9% | 1,724,843 | $1.4M |
| UBS Group AG | 0.00% | Reduce -63.9% | 1,625,297 | $1.3M |
| Morgan Stanley | 0.00% | Add +97.5% | 1,403,009 | $1.1M |
| Two Sigma Advisers, LP | 0.00% | New | 841,350 | $659K |
| AQR Capital Management | 0.00% | New | 769,820 | $603K |
| Susquehanna International Group, LLP | 0.00% | Add +503.7% | 764,743 | $599K |
| Northern Trust Corp. | 0.00% | Add +4.2% | 702,186 | $550K |
| Tikvah Management LLC | 0.10% | No change | 460,833 | $361K |
| Two Sigma Investments, LP | 0.00% | Add +115.4% | 454,443 | $356K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -49.8% | 345,587 | $271K |
| Nuveen, LLC | 0.00% | No change | 227,941 | $179K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -15.1% | 221,767 | $174K |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.1% | 193,532 | $152K |
| Group One Trading LLC | 0.00% | Add +1008.2% | 191,048 | $150K |
| Jane Street Group, LLC | 0.00% | Reduce -17.4% | 188,149 | $147K |
| Victory Capital Management Inc. | 0.00% | Reduce -5.6% | 181,966 | $142K |
| Barclays PLC | 0.00% | Reduce -49.0% | 174,182 | $136K |
| Bank of America Corp. | 0.00% | Reduce -28.7% | 126,700 | $99K |
| Deutsche Bank AG | 0.00% | Add +3779.5% | 120,341 | $94K |
| Wells Fargo & Company | 0.00% | Add +5.1% | 116,717 | $91K |
| JPMorgan Chase & Co. | 0.00% | Add +4.3% | 110,373 | $86K |
| Rhumbline Advisers | 0.00% | Reduce -18.5% | 99,762 | $78K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -54.6% | 97,497 | $76K |
| XTX Topco Ltd | 0.00% | Reduce -74.6% | 79,365 | $62K |
| Virtu Financial LLC | 0.00% | New | 78,953 | $62K |
| Alliancebernstein L.P. | 0.00% | No change | 64,480 | $50K |
| Kingswood Wealth Advisors, LLC | 0.00% | New | 52,000 | $41K |
| ADAR1 Capital Management, LLC | 0.00% | Reduce -71.0% | 50,685 | $40K |
| Invesco Ltd. | 0.00% | Add +0.8% | 46,233 | $36K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 46,126 | $36K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -15.5% | 41,844 | $33K |
| Two Sigma Securities, LLC | 0.00% | New | 39,006 | $31K |
| Sei Investments Co. | 0.00% | No change | 33,829 | $26K |
| Intech Investment Management LLC | 0.00% | No change | 31,774 | $25K |
| LPL Financial LLC | 0.00% | New | 30,100 | $24K |
| Rockefeller Capital Management L.P. | 0.00% | No change | 28,118 | $22K |
| New York State Common Retirement Fund | 0.00% | No change | 27,500 | $22K |
| BNP Paribas Financial Markets | 0.00% | Add +28.1% | 26,518 | $21K |
| Simplex Trading, LLC | 0.00% | New | 26,227 | $21K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 26,081 | $20K |
| SG Americas Securities, LLC | 0.00% | Add +12.0% | 24,032 | $19K |
| Neuberger Berman Group LLC | 0.00% | New | 20,454 | $16K |
| RBF Capital, LLC | 0.00% | No change | 20,000 | $16K |
| ProShare Advisors LLC | 0.00% | Add +17.8% | 17,524 | $14K |
| Voya Investment Management LLC | 0.00% | No change | 16,594 | $13K |
| Raymond James Financial Inc. | 0.00% | Add +5.3% | 15,961 | $12K |
| HSBC Holdings PLC | 0.00% | Reduce -0.0% | 16,136 | $12K |
| MAI Capital Management | 0.00% | Reduce -33.3% | 15,239 | $12K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -59.4% | 13,729 | $11K |
| Apollon Wealth Management, LLC | 0.00% | Reduce -35.2% | 12,900 | $10K |
| Crossmark Global Holdings, Inc. | 0.00% | New | 12,666 | $10K |
| Gladstone Institutional Advisory LLC | 0.00% | Reduce -15.0% | 11,300 | $9K |
| R Squared Ltd | 0.00% | New | 11,255 | $9K |
| Belpointe Asset Management LLC | 0.00% | No change | 10,438 | $8K |
| Legal & General Group Plc | 0.00% | No change | 9,570 | $7K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 8,881 | $7K |
| Cwm, LLC | 0.00% | Add +41889.5% | 7,978 | $6K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -3.5% | 7,205 | $6K |
| Royal Bank of Canada | 0.00% | Reduce -64.8% | 5,253 | $5K |
| California State Teachers Retirement System | 0.00% | Add +8.6% | 5,901 | $5K |
| FNY Investment Advisers, LLC | 0.00% | Add +585.7% | 4,800 | $3K |
| NFSG Corp | 0.00% | Add +620.0% | 3,600 | $3K |
| Citigroup Inc. | 0.00% | Reduce -46.3% | 3,070 | $2K |
| Amalgamated Bank | 0.00% | Add +1.4% | 3,014 | $2K |
| Farther Finance Advisors, LLC | 0.00% | Add +6.0% | 2,225 | $2K |
| Vision Retirement, LLC | 0.00% | — | 1,500 | $1K |
| Jones Financial Companies LLLP | 0.00% | New | 1,500 | $1K |
| Sterling Capital Management LLC | 0.00% | Add +54.9% | 934 | $731 |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -41.1% | 478 | $374 |
| MCF Advisors LLC | 0.00% | No change | 400 | $314 |
| Natixis | 0.00% | New | 280 | $219 |
| Essential Partners LLC | 0.00% | New | 175 | $137 |
| EverSource Wealth Advisors, LLC | 0.00% | New | 161 | $126 |
| Larson Financial Group LLC | 0.00% | No change | 150 | $117 |
| Rothschild Investment LLC | 0.00% | New | 109 | $85 |
| Caitong International Asset Management Co., Ltd | 0.00% | No change | 67 | $52 |
| Caldwell Sutter Capital, Inc. | 0.00% | No change | 52 | $41 |
"% of holder's portfolio" is ATYR's weight in each manager's 13F, not the share of Atyr Pharma Inc. the manager owns.