ARTV Artiva Biotherapeutics Inc.
Health Care, filed as ARTIVA BIOTHERAPEUTICS INC (COM), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab
- 2 Owners
- Max 0.1%
- $26M
- 2 new
In 2026 Q2 Nathan Fischel and Andreas Halvorsen opened positions in Artiva Biotherapeutics.
Who owns this now
Largest portfolio weights among holders, up to 0.1% (Nathan Fischel, Dafna Capital Management). Not free-float ownership.
Who owns ARTV
Sorted by value, long equity only, as of 2026 Q2.
| History | |||||
|---|---|---|---|---|---|
| Andreas Halvorsen, Viking Global Investors | New 0.07% | 2,604,166 | $25M | History | |
| Nathan Fischel, Dafna Capital Management | New 0.12% | 67,101 | $651K | History |
Insider trades
Open-market buys and sales by ARTV's executives, directors and 10% owners in the last 12 months, from their Form 4s
- $109M bought by 2 insiders
- None no sales outside a trading plan
- $569K sold by 2 insiders under 10b5-1 plans
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Fred Aslan CEOPlanned sale$169K 23,463 shares at $7.20 1.5% of stakeTraded Oct 6 Filed Oct 7
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Fred Aslan CEOPlanned sale$256K 23,429 shares at $10.92 1.6% of stakeTraded Sep 8 Filed Sep 9
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Subhashis Banerjee Chief Medical OfficerPlanned sale$99K 8,222 shares at $12.01 5.5% of stakeTraded Aug 27 Filed Aug 31
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Subhashis Banerjee Chief Medical OfficerPlanned sale$5,148 429 shares at $12.00 0.3% of stakeTraded Aug 18 Filed Aug 19
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Ra Capital Management, L.P. Director, +5 joint filersBuy$456K 45,768 shares at $9.96 +0.3% to stakeTraded Jul 29–31 Filed Jul 31
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Ra Capital Management, L.P. Director, +5 joint filersBuy$413K 41,319 shares at $9.99 +0.2% to stakeTraded Jul 24 Filed Jul 28
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Ra Capital Management, L.P. Director, +5 joint filersBuy$2.6M 264,586 shares at $9.76 +1.6% to stakeTraded Jul 21–23 Filed Jul 23
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Ra Capital Management, L.P. Director, +5 joint filersBuy$58K 6,522 shares at $8.94 +<0.1% to stakeTraded Jul 13 Filed Jul 23
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Ra Capital Management, L.P. Director, +5 joint filersBuy$1.4M 160,354 shares at $8.93 +1% to stakeTraded Jul 16–17 Filed Jul 20
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Ra Capital Management, L.P. Director, +5 joint filersBuy$135K 15,102 shares at $8.97 +0.1% to stakeTraded Jul 10 Filed Jul 14
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Ra Capital Management, L.P. Director, +5 joint filersBuy$292K 32,876 shares at $8.89 +0.2% to stakeTraded Jun 25–26 Filed Jun 29
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Ra Capital Management, L.P. Director, +5 joint filersBuy$4.6M 531,326 shares at $8.66 +3.3% to stakeTraded Jun 12–16 Filed Jun 16
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Ra Capital Management, L.P. Director, +5 joint filersBuy$7.7M 1,027,722 shares at $7.44 +6.8% to stakeTraded Jun 9–11 Filed Jun 11
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GC Corp. 10% owner, +1 joint filerBuy$16.5M 1,432,291 shares at $11.52Traded May 11 Filed May 28
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Ra Capital Management, L.P. Director, +5 joint filersBuy$75M 6,510,416 shares at $11.52 +75% to stakeTraded May 11 Filed May 13
Also filed in the last 12 months, not counted as buying or selling: 17 stock grants, 13 sales to cover taxes, 9 share withholdings for taxes, and 2 option exercises.
SEC filings
Recent issuer filings from EDGAR, 7 shown.
Financials
US-GAAP annual figures by fiscal year, as tagged in Form 10-K. Each value links to its SEC filing.
Balance sheet
Ownership over time
13Fs that reported it each quarter. Click a bar for that quarter’s holders.