Atyr PharmaATYR
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 87 institutions reported holding Atyr Pharma Inc. (ATYR) in their 13F filings, up 10 from Q4 2024. 25 opened new positions and 16 sold out. The largest holders were Federated Hermes, Inc. ($44.3M), FMR LLC ($38.9M) and Vanguard Group Inc. ($12.1M). 4 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Atyr Pharma Inc.
- CUSIP
- 002120202
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 25 | $8.1M |
| Exits | 16 | $11.5M |
All 13F filers, Q4 2024 → Q1 2025: 13,017,397 shares bought and 6,124,570 shares sold, net +6,892,827 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 87 holders
| Federated Hermes, Inc. | 0.10% | No change | 14,666,600 | $44.3M |
| FMR LLC | 0.00% | Add +6.6% | 12,893,529 | $38.9M |
| Vanguard Group Inc. | 0.00% | Add +11.2% | 4,006,735 | $12.1M |
| Octagon Capital Advisors LP | 2.33% | Add +294.7% | 3,552,000 | $10.7M |
| Point72 Asset Management | 0.03% | Reduce -41.8% | 2,844,099 | $8.6M |
| Tikvah Management LLC | 2.58% | No change | 2,460,833 | $7.4M |
| Susquehanna International Group, LLP | 0.01% | Add +120.0% | 1,733,081 | $5.2M |
| Woodline Partners LP | 0.03% | Reduce -0.1% | 1,681,595 | $5.1M |
| UBS Group AG | 0.00% | Add +613.1% | 1,637,186 | $4.9M |
| Millennium Management | 0.00% | Add +334.5% | 1,599,041 | $4.8M |
| BlackRock, Inc. | 0.00% | Add +4.5% | 1,593,981 | $4.8M |
| Alyeska Investment Group, L.P. | 0.02% | Reduce -0.0% | 1,277,897 | $3.9M |
| Geode Capital Management, LLC | 0.00% | Add +4.1% | 927,800 | $2.8M |
| Marshall Wace, LLP | 0.00% | New | 838,452 | $2.5M |
| Ally Bridge Group (NY) LLC | 2.12% | Add +11.1% | 777,020 | $2.3M |
| Integral Health Asset Management, LLC | 0.23% | Add +86.7% | 700,000 | $2.1M |
| Tang Capital Management LLC | 0.11% | No change | 671,134 | $2.0M |
| MAI Capital Management | 0.02% | Add +306100.0% | 658,330 | $2.0M |
| Erste Asset Management GmbH | 0.02% | New | 600,000 | $1.8M |
| Renaissance Technologies | 0.00% | Reduce -16.4% | 479,955 | $1.4M |
| Qube Research & Technologies Ltd | 0.00% | Reduce -3.6% | 414,592 | $1.3M |
| Goldman Sachs Group Inc. | 0.00% | Add +46.0% | 382,317 | $1.2M |
| State Street Corp. | 0.00% | Add +22.2% | 367,310 | $1.1M |
| Gsa Capital Partners LLP | 0.09% | Add +21.1% | 332,324 | $1.0M |
| Bank of America Corp. | 0.00% | Add +216.1% | 288,311 | $871K |
| Morgan Stanley | 0.00% | Add +537.4% | 262,679 | $793K |
| Citadel Advisors | 0.00% | Add +2011.5% | 261,007 | $788K |
| Barclays PLC | 0.00% | Add +48.7% | 237,091 | $716K |
| Squarepoint Ops LLC | 0.00% | Add +783.9% | 235,242 | $710K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -6.3% | 228,094 | $689K |
| Balyasny Asset Management L.P. | 0.00% | Add +412.6% | 227,142 | $686K |
| Knott David M Jr | 0.32% | Reduce -27.5% | 223,407 | $675K |
| Northern Trust Corp. | 0.00% | Add +2.2% | 186,617 | $564K |
| HRT Financial LP | 0.00% | New | 182,135 | $550K |
| Jane Street Group, LLC | 0.00% | Reduce -12.3% | 174,507 | $527K |
| Dauntless Investment Group, LLC | 1.90% | New | 170,689 | $515K |
| Wellington Management Group LLP | 0.00% | New | 168,742 | $510K |
| Wells Fargo & Company | 0.00% | Add +59.0% | 168,219 | $508K |
| OMERS ADMINISTRATION Corp | 0.00% | Add +7.3% | 148,100 | $447K |
| Main Street Financial Solutions, LLC | 0.04% | New | 134,250 | $405K |
| Schonfeld Strategic Advisors LLC | 0.00% | Add +61.4% | 102,706 | $310K |
| Simplex Trading, LLC | 0.01% | Add +635.9% | 96,852 | $292K |
| Group One Trading LLC | 0.01% | Add +1138.5% | 89,671 | $271K |
| Jain Global LLC | 0.01% | New | 88,143 | $266K |
| Quantessence Capital LLC | 0.05% | New | 61,621 | $186K |
| Jefferies Financial Group Inc. | 0.00% | No change | 55,600 | $168K |
| Brevan Howard Capital Management LP | 0.00% | New | 53,209 | $161K |
| LMR Partners LLP | 0.00% | New | 52,087 | $157K |
| Alliancebernstein L.P. | 0.00% | New | 51,917 | $157K |
| ExodusPoint Capital Management, LP | 0.00% | Add +187.3% | 48,227 | $146K |
| Cannon Global Investment Management, LLC | 0.40% | New | 47,500 | $143K |
| Wolverine Trading, LLC | 0.00% | Add +140.4% | 45,327 | $142K |
| Verition Fund Management LLC | 0.00% | New | 45,451 | $137K |
| D.A. Davidson & Co. | 0.00% | Add +3.1% | 40,200 | $121K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.6% | 39,911 | $121K |
| Kingswood Wealth Advisors, LLC | 0.01% | Reduce -21.3% | 37,000 | $110K |
| J. Goldman & Co LP | 0.00% | Reduce -90.0% | 30,131 | $91K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -16.2% | 27,544 | $83K |
| Royal Bank of Canada | 0.00% | Reduce -89.7% | 24,705 | $75K |
| Apollon Wealth Management, LLC | 0.00% | New | 23,500 | $71K |
| Farther Finance Advisors, LLC | 0.00% | No change | 24,423 | $70K |
| American Century Companies Inc. | 0.00% | Reduce -74.2% | 22,703 | $69K |
| Two Sigma Investments, LP | 0.00% | Add +2.8% | 22,239 | $67K |
| Twinbeech Capital LP | 0.00% | New | 21,434 | $65K |
| Prelude Capital Management, LLC | 0.01% | Add +111.5% | 21,318 | $64K |
| Capula Management Ltd | 0.00% | New | 21,126 | $64K |
| XTX Topco Ltd | 0.00% | Add +74.9% | 19,556 | $59K |
| Engineers Gate Manager LP | 0.00% | New | 19,288 | $58K |
| Capstone Investment Advisors, LLC | 0.00% | New | 18,420 | $56K |
| Catalyst Funds Management Pty Ltd | 0.01% | New | 17,953 | $54K |
| Boothbay Fund Management, LLC | 0.00% | No change | 14,568 | $44K |
| Raymond James Financial Inc. | 0.00% | Add +29.5% | 13,850 | $42K |
| United Bank | 0.01% | New | 13,830 | $42K |
| Hudson Bay Capital Management LP | 0.00% | New | 13,320 | $40K |
| Y-Intercept (Hong Kong) Ltd | 0.00% | New | 12,583 | $38K |
| Two Sigma Securities, LLC | 0.01% | New | 11,935 | $36K |
| Alterna Wealth Management, Inc. | 0.02% | No change | 10,000 | $30K |
| Leonteq Securities AG | 0.00% | New | 2,500 | $8K |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 1,396 | $4K |
| Point72 Asia (Singapore) Pte. Ltd. | 0.00% | Add +1.7% | 1,255 | $4K |
| Sachetta, LLC | 0.00% | Add +107.5% | 830 | $3K |
| Lanark Financial, Inc. | 0.00% | — | 700 | $2K |
| PFS Partners, LLC | 0.00% | No change | 340 | $1K |
| Continuum Advisory, LLC | 0.00% | No change | 210 | $634 |
| Caldwell Sutter Capital, Inc. | 0.00% | No change | 52 | $157 |
| Strategic Investment Solutions, Inc. | 0.00% | No change | 8 | $24 |
| Citigroup Inc. | 0.00% | Reduce -100.0% | 1 | $3 |
"% of holder's portfolio" is ATYR's weight in each manager's 13F, not the share of Atyr Pharma Inc. the manager owns.