Companies / Artiva Biotherapeutics, Inc.
Artiva Biotherapeutics, Inc.
Nasdaq: ARTVCIK 1817241SAN DIEGO, CA
Financials · FY2025
Ownership
48.9M shares outstanding · as of Jul 31, 2026
Ownership
| Insiders | 39.94% | 19,528,602 |
| Institutions | 15.56% | 7,607,904 |
| Public float | 44.49% | 21,753,615 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 13
View all →| Insider | % of shares | Shares |
|---|---|---|
RA Capital Management, L.P.Director · 10% owner | 34.35% | 16,795,919 |
Aslan FredCEOPresident and CEO · Director | 3.20% | 1,562,198 |
Bush JenniferCOO, CLO, Secy, Compliance Off | 0.71% | 346,710 |
Horan ChristopherChief Tech Operations Officer | 0.61% | 300,452 |
Huston Thad AllenChief Financial Officer | 0.45% | 220,000 |
Banerjee SubhashisChief Medical Officer | 0.31% | 152,000 |
Raymon HeatherSVP, Research and Development | 0.31% | 151,323 |
Kolchinsky PeterDirector · 10% owner | — | — |
RA Capital Healthcare Fund LPDirector · 10% owner | — | — |
RA Capital Nexus Fund III, L.P.Director | — | — |
Institutional holders 36
View all →| Holder | Value | % of shares |
|---|---|---|
| $63.46M | 20.15% | |
| $10.10M | 4.81% | |
| $6.91M | 3.29% | |
| $6.74M | 1.42% | |
| $2.78M | 1.33% | |
| $2.23M | 1.06% | |
| $1.61M | 0.34% | |
| $1.28M | 0.61% | |
| $1.06M | 0.50% | |
| $832.7K | 0.40% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | — | $4.68M | +482K +226.87% | 694,726 1.42% of shares | low |
| Q2 2026 as of | State Street Corporation 13F manager | Add | — | $1.26M | +130K +362.72% | 165,764 0.34% of shares | low |
| Q1 2026 as of | Millennium Management LLC 13F manager | Trim | — | $-604.2K | -94K -43.22% | 123,270 0.25% of shares | low |
| Q2 2026 as of | Quadrature Capital Ltd 13F manager | New | — | $478.6K | +49K | 49,345 0.10% of shares | low |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | Exit | — | $-341.3K | -80K -100.00% | — | low |
| Q3 2024 as of | Barclays PLC 13F manager | New | — | $303.1K | +20K | 19,616 0.04% of shares | low |
| Q1 2026 as of | Renaissance Technologies LLC 13F manager | Trim | — | $-232.9K | -36K -31.12% | 80,038 0.16% of shares | low |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Trim | — | $-192.1K | -30K -20.59% | 115,041 0.24% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Viking Global Investors LP | Passive13G | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| ARTV | — | 04317A107 |