Artiva BiotherapeuticsARTV
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 34 institutions reported holding Artiva Biotherapeutics Inc. (ARTV) in their 13F filings, down 6 from Q3 2025. 5 opened new positions and 12 sold out. The largest holders were Ra Capital Management, L.P. ($42.3M), 5AM Venture Management, LLC ($10.1M) and Venrock Adviser, LLC ($6.9M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Artiva Biotherapeutics Inc.
- CUSIP
- 04317A107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 5 | $726K |
| Exits | 12 | $3.0M |
All 13F filers, Q3 2025 → Q4 2025: 433,290 shares bought and 1,929,254 shares sold, net −1,495,964 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 34 holders
| Ra Capital Management, L.P. | 0.43% | No change | 9,853,302 | $42.3M |
| 5AM Venture Management, LLC | 3.17% | No change | 2,353,304 | $10.1M |
| Venrock Adviser, LLC | 0.34% | No change | 1,609,569 | $6.9M |
| venBio Partners LLC | 1.29% | Reduce -43.6% | 648,507 | $2.8M |
| Franklin Resources Inc. | 0.00% | No change | 520,327 | $2.2M |
| Revelation Capital Management, LLC | 1.54% | — | 299,311 | $1.3M |
| Vanguard Group Inc. | 0.00% | Add +54.6% | 246,006 | $1.1M |
| Millennium Management | 0.00% | Reduce -17.2% | 217,097 | $931K |
| BlackRock, Inc. | 0.00% | Reduce -27.8% | 212,538 | $912K |
| Wellington Management Group LLP | 0.00% | No change | 194,108 | $833K |
| Two Sigma Investments, LP | 0.00% | Add +611.4% | 144,864 | $621K |
| Renaissance Technologies | 0.00% | Add +46.8% | 116,200 | $498K |
| Geode Capital Management, LLC | 0.00% | Reduce -8.8% | 101,117 | $434K |
| Alyeska Investment Group, L.P. | 0.00% | No change | 100,000 | $429K |
| Marshall Wace, LLP | 0.00% | New | 79,559 | $341K |
| Jane Street Group, LLC | 0.00% | New | 40,671 | $174K |
| UBS Group AG | 0.00% | Add +74.4% | 36,873 | $158K |
| State Street Corp. | 0.00% | Reduce -40.1% | 35,824 | $154K |
| Bridgeway Capital Management, LLC | 0.00% | No change | 35,000 | $150K |
| Scientech Research LLC | 0.07% | New | 27,757 | $119K |
| Morgan Stanley | 0.00% | Reduce -36.8% | 27,072 | $116K |
| OMERS ADMINISTRATION Corp | 0.00% | New | 21,100 | $91K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -75.8% | 12,060 | $52K |
| Prelude Capital Management, LLC | 0.00% | Reduce -25.3% | 10,691 | $46K |
| Russell Investments Group, Ltd. | 0.00% | No change | 5,491 | $24K |
| FMR LLC | 0.00% | Reduce -27.7% | 3,558 | $15K |
| Wells Fargo & Company | 0.00% | Reduce -11.8% | 1,500 | $6K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -89.0% | 1,103 | $5K |
| BNP Paribas Financial Markets | 0.00% | Reduce -99.5% | 542 | $2K |
| Mark Sheptoff Financial Planning, LLC | 0.00% | No change | 400 | $2K |
| Royal Bank of Canada | 0.00% | Reduce -59.6% | 339 | $1K |
| JPMorgan Chase & Co. | 0.00% | Reduce -95.3% | 187 | $802 |
| Bank of America Corp. | 0.00% | Reduce -99.3% | 113 | $484 |
| Osaic Holdings, Inc. | 0.00% | New | 32 | $137 |
"% of holder's portfolio" is ARTV's weight in each manager's 13F, not the share of Artiva Biotherapeutics Inc. the manager owns.