ARTV · Artiva Biotherapeutics, Inc. · Holdings
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Institutional Ownership Trend
Superinvestors Holding ARTV
All superinvestors →Holder Concentration
Across 72 13F filersWho Holds ARTV
Last 8 quarters through Sep 30, 2026 (filing window open)Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.
Jun 30, 2026, the newest closed quarter: 72 filers, like-for-like change +139.8%; actively managed books +136.6%; index-like books +287.8%.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 81.5% | 36 | +121.4% |
| Exempt adviser | 0.0% | 0 | -100.0% |
| Adviser | 13.7% | 4 | +963.9% |
| Bank | 1.1% | 9 | +763.9% |
| Non-US | 0.0% | 1 | +111.8% |
| Holding company | 2.3% | 5 | +107.4% |
| Benefit plan | 0.0% | 0 | -100.0% |
| Insurer | 0.0% | 0 | — |
| Unknown | 1.5% | 17 | +39.8% |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 6.1% | 11 | +287.8% |
| Systematic-like | 3.3% | 6 | +258.2% |
| Concentrated | 72.9% | 13 | +102.3% |
| Diversified active | 17.0% | 41 | +595.3% |
| Unknown | 0.7% | 1 | 0.0% |
| Not measured | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 70.8% | 33 | +86.1% |
| Medium turnover | 14.7% | 20 | +1031.2% |
| High turnover | 10.4% | 13 | +911.0% |
| Unknown | 4.1% | 6 | +209.9% |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 7.0% | 11 | +402.4% |
| Medium horizon | 21.2% | 14 | +74.1% |
| Long horizon | 60.5% | 40 | +119.5% |
| Unknown | 11.3% | 7 | +2015.2% |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 13.2% | 14 | +58.6% |
| $1B to $10B | 14.7% | 16 | +246.3% |
| $10B to $100B | 58.2% | 13 | +132.6% |
| $100B or more | 14.0% | 29 | +237.6% |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Individuals and high net worth | 0.1% | 2 | +2.4% |
| Pooled investment vehicles | 76.9% | 22 | +115.3% |
| Registered funds and BDCs | 4.0% | 7 | +314.9% |
| Insurance companies | 0.0% | 1 | new |
| Governments and sovereign funds | 0.0% | 1 | -90.1% |
| Other investment advisers | 0.0% | 0 | — |
| Diversified | 0.0% | 2 | new |
| Pension and profit sharing plans | 0.0% | 0 | — |
| Unknown | 19.0% | 37 | +289.1% |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 17.5% | 16 | +1352.3% |
| Private equity funds | 5.1% | 2 | +26.6% |
| Venture capital funds | 54.4% | 4 | +70.4% |
| Other private funds | 0.3% | 3 | +139.9% |
| Mixed private funds | 0.5% | 2 | new |
| Private funds, type not stated | 0.3% | 1 | +336.3% |
| No private funds | 3.4% | 8 | +349.8% |
| Real estate funds | 0.0% | 0 | — |
| Securitized asset funds | 0.0% | 0 | — |
| Unknown | 18.5% | 36 | +418.6% |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 99.3% | 62 | +138.6% |
| Outside the US | 0.7% | 10 | +764.4% |
The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.
How the mix is measured
Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.
Conviction and Crowding
72 13F filers, quarter ended Jun 30, 2026Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.
Managers in the top fifth by current three-year FundScore alpha were net buyers of $1,744,039 (2 buying, 0 selling).
Estimated Holder Cost Basis
Quarter ended Jun 30, 2026, on that quarter's share basisEstimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.
Estimated cost covers 96.5% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.
Shared Holders
Companies ARTV's active holders also own, quarter ended Jun 30, 2026| # | Company | Shared holders |
|---|---|---|
| 1 | VRCA Verrica Pharmaceuticals Inc. | 3 |
| 2 | BNTC Benitec Biopharma Inc. | 4 |
| 3 | ACHV Achieve Life Sciences, Inc. | 5 |
| 4 | OVID Ovid Therapeutics Inc. | 5 |
| 5 | MGNX Macrogenics Inc | 3 |
| 6 | ALXO Alx Oncology Holdings Inc | 4 |
| 7 | STRO Sutro Biopharma, Inc. | 4 |
| 8 | AQST Aquestive Therapeutics, Inc. | 5 |
| 9 | DMRA Damora Therapeutics, Inc. | 5 |
| 10 | SCYX Scynexis Inc | 3 |
Shareholder Targets
13F filers that own its peers but not ARTV, quarter ended Jun 30, 2026Found through its holder-overlap peers: VRCA, BNTC, ACHV, OVID, MGNX, ALXO, STRO, AQST, DMRA, SCYX, LXEO, MPLT, AVTX, IVA, ABEO, SABS, IPSC, ADCT, OBIO, TARA. 496 filers in all.
| # | Filer | In peers | Largest peers |
|---|---|---|---|
| 1 | Fairmount Funds Management LLC Registered adviser, Concentrated | $226,625,130 1 held | DMRA |
| 2 | Jupiter Topco LLC Unknown, Diversified active | $202,647,360 6 held | DMRA, OVID, BNTC |
| 3 | SUVRETTA CAPITAL MANAGEMENT, LLC Registered adviser, Diversified active | $187,325,387 3 held | BNTC, LXEO, ABEO |
| 4 | FCPM III SERVICES B.V. Unknown, Concentrated | $179,124,586 2 held | MPLT, DMRA |
| 5 | Affinity Asset Advisors, LLC Registered adviser, Diversified active | $173,937,366 9 held | AVTX, STRO, OVID |
| 6 | Avoro Capital Advisors LLC Registered adviser, Concentrated | $148,447,997 3 held | DMRA, AVTX, LXEO |
| 7 | Balyasny Asset Management L.P. Registered adviser, Systematic-like | $145,275,104 11 held | DMRA, STRO, OVID |
| 8 | NOVO HOLDINGS A/S Unknown, Concentrated | $132,128,532 1 held | MPLT |
| 9 | PERCEPTIVE ADVISORS LLC Registered adviser, Diversified active | $126,779,078 5 held | STRO, DMRA, SABS |
| 10 | TCG Crossover Management, LLC Unknown, Diversified active | $123,149,075 4 held | AVTX, IPSC, ADCT |
Fund Ownership of ARTV by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 2.60% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 0.25% | 122,635 |
| Index ETFs | 2.34% | 1,146,426 |
| Active ETFs | 0.21% | 105,062 |
| Active funds | 0.75% | 364,969 |
| Unclassified | 0.00% | 0 |
| All registered funds | 3.56% | 1,739,092 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Large RA CAPITAL MANAGEMENT, L.P. Registered adviser | $174,169,727 | 44.45% | 17,955,642 | Shares | 2026-08-14 | |
| Large VIKING GLOBAL INVESTORS LP Registered adviser | $25,260,410 | 6.45% | 2,604,166 | Shares | 2026-08-14 | |
| Large Blackstone Inc. Adviser | $23,313,338 | 5.95% | 2,403,437 | Shares | 2026-08-14 | |
| Small 5AM Venture Management, LLC Registered adviser | $22,827,048 | 5.83% | 2,353,304 | Shares | 2026-08-14 | |
| Mid Venrock Adviser, LLC Registered adviser | $19,822,881 | 5.06% | 2,043,596 | Shares | 2026-08-14 | |
| Mega FRANKLIN RESOURCES INC Adviser | $19,373,063 | 4.94% | 1,997,223 | Shares | 2026-08-13 | |
| Mid Caligan Partners LP Registered adviser | $16,840,276 | 4.30% | 1,736,111 | Shares | 2026-08-14 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC Registered adviser | $9,523,605 | 2.43% | 981,815 | Shares | 2026-08-13 | |
| Mid SAMSARA BIOCAPITAL, LLC Registered adviser | $9,262,151 | 2.36% | 954,861 | Shares | 2026-08-14 | |
| Small Blue Owl Capital Holdings LP Adviser | $8,483,057 | 2.17% | 874,542 | Shares | 2026-08-11 | |
| Small Propel Bio Management, LLC Registered adviser | $6,755,429 | 1.72% | 696,436 | Shares | 2026-08-13 | |
| Mega BlackRock, Inc. Holding company | $6,738,840 | 1.72% | 694,726 | Shares | 2026-08-07 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $5,910,947 | 1.51% | 609,376 | Shares | 2026-09-02 | |
| Small SILVERARC CAPITAL MANAGEMENT, LLC Registered adviser | $5,092,500 | 1.30% | 525,000 | Shares | 2026-08-13 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC Registered adviser | $3,432,296 | 0.88% | 353,845 | Shares | 2026-08-12 | |
| Mid BOOTHBAY FUND MANAGEMENT, LLC Registered adviser | $3,049,437 | 0.78% | 314,375 | Shares | 2026-08-14 | |
| Mid Nantahala Capital Management, LLC Registered adviser | $2,910,000 | 0.74% | 300,000 | Shares | 2026-08-19 | |
| Small Revelation Capital Management, LLC | $2,903,316 | 0.74% | 299,311 | Shares | 2026-08-14 | |
| Large Alyeska Investment Group, L.P. Registered adviser | $2,654,065 | 0.68% | 273,615 | Shares | 2026-08-14 | |
| Small ACUTA CAPITAL PARTNERS, LLC Adviser | $2,526,035 | 0.64% | 260,416 | Shares | 2026-08-14 | |
| Small KVP Capital Advisors, LP Registered adviser | $1,940,000 | 0.50% | 200,000 | Shares | 2026-08-13 | |
| Mega WELLINGTON MANAGEMENT GROUP LLP Holding company | $1,882,847 | 0.48% | 194,108 | Shares | 2026-08-14 | |
| Mega UBS Group AG Bank | $1,784,993 | 0.46% | 184,020 | Shares | 2026-08-13 | |
| Mid SEVEN GRAND MANAGERS, LLC Registered adviser | $1,697,500 | 0.43% | 175,000 | Shares | 2026-08-14 | |
| Mega STATE STREET CORP Bank | $1,607,910 | 0.41% | 165,764 | Shares | 2026-09-22 | |
| Large RENAISSANCE TECHNOLOGIES LLC Registered adviser | $1,464,700 | 0.37% | 151,000 | Shares | 2026-08-13 | |
| Mega VANGUARD FIDUCIARY TRUST CO | $1,439,412 | 0.37% | 148,393 | Shares | 2026-08-13 | |
| Mid ADAR1 Capital Management, LLC Registered adviser | $1,150,652 | 0.29% | 118,624 | Shares | 2026-08-14 | |
| Mid Simplify Asset Management Inc. Registered adviser | $983,143 | 0.25% | 101,355 | Shares | 2026-07-16 | |
| Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC Registered adviser | $824,500 | 0.21% | 85,000 | Shares | 2026-08-14 | |
| Mega TWO SIGMA INVESTMENTS, LP Registered adviser | $762,177 | 0.19% | 78,575 | Shares | 2026-08-14 | |
| Mega NORTHERN TRUST CORP Bank | $741,302 | 0.19% | 76,423 | Shares | 2026-08-13 | |
| Small DAFNA Capital Management LLC Registered adviser | $650,879 | 0.17% | 67,101 | Shares | 2026-08-14 | |
| Large Quadrature Capital Ltd | $478,646 | 0.12% | 49,345 | Shares | 2026-08-07 | |
| Mega DIMENSIONAL FUND ADVISORS LP Registered adviser | $434,705 | 0.11% | 44,815 | Shares | 2026-08-11 | |
| Mid XTX Topco Ltd | $412,337 | 0.11% | 42,509 | Shares | 2026-08-14 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC Registered adviser | $301,796 | 0.08% | 31,113 | Shares | 2026-08-13 | |
| Small Velan Capital Investment Management LP Registered adviser | $242,500 | 0.06% | 25,000 | Shares | 2026-08-14 | |
| Large ACADIAN ASSET MANAGEMENT LLC | $222,518 | 0.06% | 22,940 | Shares | 2026-08-13 | |
| Mid Atom Investors LP Registered adviser | $221,683 | 0.06% | 22,854 | Shares | 2026-08-14 | |
| Mid Y-Intercept (Hong Kong) Ltd Exempt adviser | $210,986 | 0.05% | 29,633 | Shares | 2026-10-16 | |
| Micro Spark Investment Management LLC Registered adviser | $160,050 | 0.04% | 16,500 | Shares | 2026-08-10 | |
| Mega GOLDMAN SACHS GROUP INC Holding company | $153,066 | 0.04% | 15,780 | Shares | 2026-08-14 | |
| Mid BAILARD, INC. Registered adviser | $147,384 | 0.04% | 20,700 | Shares | 2026-10-13 | |
| Large Squarepoint Ops LLC Registered adviser | $144,093 | 0.04% | 14,855 | Shares | 2026-08-14 | |
| Mega ALLIANCEBERNSTEIN L.P. Registered adviser | $135,606 | 0.03% | 13,980 | Shares | 2026-08-14 | |
| Mega Vanguard Global Advisers, LLC Registered adviser | $116,186 | 0.03% | 11,978 | Shares | 2026-08-13 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC Registered adviser | $115,391 | 0.03% | 11,896 | Shares | 2026-08-14 | |
| Large NEW YORK STATE COMMON RETIREMENT FUND | $59,170 | 0.02% | 6,100 | Shares | 2026-07-29 | |
| Mega Russell Investments Group, Ltd. | $56,851 | 0.01% | 5,861 | Shares | 2026-08-06 | |
| Mega WELLS FARGO & COMPANY/MN Bank | $53,156 | 0.01% | 5,480 | Shares | 2026-08-14 | |
| Small State of Wyoming | $44,503 | 0.01% | 4,588 | Shares | 2026-08-06 | |
| Mega JPMORGAN CHASE & CO Bank | $40,652 | 0.01% | 4,191 | Shares | 2026-08-12 | |
| Mega FMR LLC Holding company | $34,512 | 0.01% | 3,558 | Shares | 2026-08-13 | |
| Mega BARCLAYS PLC Bank | $32,358 | 0.01% | 3,336 | Shares | 2026-08-14 | |
| Mega ROYAL BANK OF CANADA Bank | $29,739 | 0.01% | 3,066 | Shares | 2026-08-14 | |
| Mega RHUMBLINE ADVISERS Registered adviser | $29,478 | 0.01% | 3,039 | Shares | 2026-08-12 | |
| Mega MORGAN STANLEY Holding company | $21,455 | 0.01% | 2,212 | Shares | 2026-08-13 | |
| Mega CITIGROUP INC Bank | $20,786 | 0.01% | 2,143 | Shares | 2026-08-03 | |
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $20,719 | 0.01% | 2,136 | Shares | 2026-08-14 | |
| Large Federation des caisses Desjardins du Quebec | $19,400 | 0.00% | 2,000 | Shares | 2026-08-14 | |
| Mid China Universal Asset Management Co., Ltd. | $15,520 | 0.00% | 1,600 | Shares | 2026-07-24 | |
| Mega BNP PARIBAS ARBITRAGE, SA Non-US | $11,135 | 0.00% | 1,148 | Shares | 2026-08-13 | |
| Mega Legal & General Group Plc | $5,490 | 0.00% | 566 | Shares | 2026-08-14 | |
| Large Steward Partners Investment Advisory, LLC Registered adviser | $4,850 | 0.00% | 500 | Shares | 2026-08-13 | |
| Mid Ameritas Investment Partners, Inc. Registered adviser | $4,083 | 0.00% | 421 | Shares | 2026-08-13 | |
| Small MARK SHEPTOFF FINANCIAL PLANNING, LLC | $3,880 | 0.00% | 400 | Shares | 2026-08-13 | |
| Mid GAMMA Investing LLC Registered adviser | $3,538 | 0.00% | 497 | Shares | 2026-10-08 | |
| Mid Tower Research Capital LLC (TRC) | $2,395 | 0.00% | 247 | Shares | 2026-08-11 | |
| Large US BANCORP \DE\ Bank | $2,279 | 0.00% | 235 | Shares | 2026-08-12 | |
| Mid Sterling Capital Management LLC Registered adviser | $2,249 | 0.00% | 316 | Shares | 2026-10-22 | |
| Mid EASTERN BANK | $1,103 | 0.00% | 155 | Shares | 2026-10-05 | |
| Mid Quarry LP | $911 | 0.00% | 94 | Shares | 2026-08-14 | |
| Small Caitong International Asset Management Co., Ltd | $126 | 0.00% | 13 | Shares | 2026-08-05 | |
| Mega JONES FINANCIAL COMPANIES LLLP | $106 | 0.00% | 11 | Shares | 2026-08-14 | |
| Small SJS Investment Consulting Inc. Registered adviser | $56 | 0.00% | 8 | Shares | 2026-10-26 | |
| Mid Root Financial Partners, LLC Registered adviser | $7 | 0.00% | 1 | Shares | 2026-10-21 |