# RAPT THERAPEUTICS INC (RAPT)

> Institutional ownership reported to the SEC as of Q4 2025, from Form 13F filings. Source: https://holderbook.com/stocks/RAPT/

- Reporting holders: 104
- Reported value: $1.0B
- Held through calls: 2.1%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Medicxi Ventures Management (Jersey) Ltd](https://holderbook.com/funds/1715579-medicxi-ventures-management-jersey-ltd/) | $94.6M | 2,794,000 | 11.3% | 2 |
| [TCG Crossover Management, LLC](https://holderbook.com/funds/1839948-tcg-crossover-management-llc/) | $87.5M | 2,582,408 | 2.9% | 3 |
| [FCPM III SERVICES B.V.](https://holderbook.com/funds/2013410-fcpm-iii-services-b-v/) | $62.1M | 1,833,333 | 8.1% | 3 |
| [ORBIMED ADVISORS LLC](https://holderbook.com/funds/1055951-orbimed-advisors-llc/) | $55.6M | 1,642,891 | 1.1% | 3 |
| [RTW INVESTMENTS, LP](https://holderbook.com/funds/1493215-rtw-investments-lp/) | $55.5M | 1,637,165 | 0.6% | 3 |
| [Foresite Capital Management VI LLC](https://holderbook.com/funds/2013341-foresite-capital-management-vi-llc/) | $52.9M | 1,562,500 | 16.0% | 3 |
| [Siren, L.L.C.](https://holderbook.com/funds/2005245-siren-l-l-c/) | $46.6M | 1,375,000 | 1.4% | 2 |
| [VANGUARD GROUP INC](https://holderbook.com/funds/102909-vanguard-group-inc/) | $40.2M | 1,186,791 | 0.0% | 3 |
| [Frazier Life Sciences Management, L.P.](https://holderbook.com/funds/1892134-frazier-life-sciences-management-l-p/) | $33.3M | 983,333 | 0.9% | 1 |
| [Ikarian Capital, LLC](https://holderbook.com/funds/1778253-ikarian-capital-llc/) | $32.4M | 665,271 | 2.5% | 2 |
| [BRAIDWELL LP](https://holderbook.com/funds/1920938-braidwell-lp/) | $31.5M | 929,694 | 1.0% | 1 |
| [Redmile Group, LLC](https://holderbook.com/funds/1425738-redmile-group-llc/) | $30.0M | 885,927 | 2.2% | 3 |
| [PERCEPTIVE ADVISORS LLC](https://holderbook.com/funds/1224962-perceptive-advisors-llc/) | $28.0M | 825,890 | 0.5% | 3 |
| [Soleus Capital Management, L.P.](https://holderbook.com/funds/1802630-soleus-capital-management-l-p/) | $25.9M | 764,000 | 1.0% | 2 |
| [Nantahala Capital Management, LLC](https://holderbook.com/funds/1472322-nantahala-capital-management-llc/) | $25.5M | 754,153 | 0.8% | 3 |
| [Caligan Partners LP](https://holderbook.com/funds/1727492-caligan-partners-lp/) | $21.8M | 644,400 | 1.8% | 1 |
| [STATE STREET CORP](https://holderbook.com/funds/93751-state-street-corp/) | $21.7M | 639,804 | 0.0% | 3 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $21.5M | 591,802 | 0.0% | 3 |
| [GREAT POINT PARTNERS LLC](https://holderbook.com/funds/1281446-great-point-partners-llc/) | $19.7M | 581,187 | 6.4% | 1 |
| [Octagon Capital Advisors LP](https://holderbook.com/funds/1839435-octagon-capital-advisors-lp/) | $19.4M | 574,000 | 2.4% | 1 |
| [ADAR1 Capital Management, LLC](https://holderbook.com/funds/1940272-adar1-capital-management-llc/) | $17.3M | 509,679 | 1.3% | 3 |
| [BlackRock, Inc.](https://holderbook.com/funds/2012383-blackrock-inc/) | $16.5M | 486,153 | 0.0% | 3 |
| [SUSQUEHANNA INTERNATIONAL GROUP, LLP](https://holderbook.com/funds/1446194-susquehanna-international-group-llp/) | $16.0M | 424,862 | 0.0% | 3 |
| [BOONE CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/1882053-boone-capital-management-llc/) | $15.9M | 470,456 | 5.0% | 2 |
| [BOOTHBAY FUND MANAGEMENT, LLC](https://holderbook.com/funds/1549230-boothbay-fund-management-llc/) | $15.9M | 390,747 | 0.2% | 2 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q4 2025 | 104 | $1.0B |
| Q3 2025 | 65 | $435.4M |
| Q2 2025 | 52 | $136.1M |
| Q1 2025 | 91 | $160.0M |
| Q4 2024 | 94 | $200.4M |
| Q3 2024 | 93 | $60.2M |
| Q2 2024 | 108 | $102.8M |
| Q1 2024 | 129 | $343.9M |
| Q4 2023 | 114 | $943.7M |
| Q3 2023 | 99 | $599.8M |
| Q2 2023 | 100 | $649.1M |
| Q1 2023 | 105 | $705.2M |

