Ranked by reported Q4 2025 13F market value
Share of total reported institutional value in RAPT held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Medicxi Ventures Management (Jersey) Ltd | 2.8M | $94.6M | 0.0% | 54.837% | 11.33% |
| 2 | TCG Crossover Management, LLC | 2.6M | $87.5M | +57.8% | 50.684% | 2.89% |
| 3 | FCPM III SERVICES B.V. | 1.8M | $62.1M | +432.6% | 35.982% | 8.14% |
| 4 | ORBIMED ADVISORS LLC | 1.6M | $55.6M | +51.2% | 32.244% | 1.14% |
| 5 | RTW INVESTMENTS, LP | 1.6M | $55.5M | +11.3% | 32.132% | 0.56% |
| 6 | Foresite Capital Management VI LLC | 1.6M | $52.9M | 0.0% | 30.667% | 16.00% |
| 7 | Siren, L.L.C. | 1.4M | $46.6M | +136.9% | 26.987% | 1.39% |
| 8 | VANGUARD GROUP INC | 1.2M | $40.2M | +70.5% | 23.293% | 0.00% |
| 9 | Frazier Life Sciences Management, L.P. | 983K | $33.3M | β | 19.299% | 0.89% |
| 10 | Ikarian Capital, LLC | 955K | $32.4M | +20.9% | 18.749% | 3.02% |
| 11 | BRAIDWELL LP | 930K | $31.5M | β | 18.247% | 1.01% |
| 12 | Redmile Group, LLC | 886K | $30.0M | +60.3% | 17.388% | 2.21% |
| 13 | PERCEPTIVE ADVISORS LLC | 826K | $28.0M | +349.1% | 16.209% | 0.51% |
| 14 | Soleus Capital Management, L.P. | 764K | $25.9M | +42.0% | 14.995% | 1.10% |
| 15 | Nantahala Capital Management, LLC | 754K | $25.5M | +21.0% | 14.801% | 0.98% |
| 16 | Caligan Partners LP | 644K | $21.8M | β | 12.647% | 1.80% |
| 17 | STATE STREET CORP | 640K | $21.7M | +1611.5% | 12.557% | 0.00% |
| 18 | CITADEL ADVISORS LLC | 634K | $21.5M | β | 12.447% | 0.01% |
| 19 | GREAT POINT PARTNERS LLC | 581K | $19.7M | β | 11.407% | 6.38% |
| 20 | Octagon Capital Advisors LP | 574K | $19.4M | β | 11.266% | 2.43% |
| 21 | ADAR1 Capital Management, LLC | 510K | $17.3M | +0.4% | 10.003% | 1.27% |
| 22 | BlackRock, Inc. | 486K | $16.5M | +443.2% | 9.541% | 0.00% |
| 23 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 472K | $16.0M | +940.9% | 9.271% | 0.00% |
| 24 | BOONE CAPITAL MANAGEMENT LLC | 470K | $15.9M | -39.9% | 9.233% | 5.00% |
| 25 | BOOTHBAY FUND MANAGEMENT, LLC | 470K | $15.9M | +63.6% | 9.233% | 0.28% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in RAPT β a direct measure of their conviction.
Filings activity in RAPT during Q4 2025, grouped by how each filer changed its position.
Institutions that opened a new RAPT position in Q4 2025
Institutions that fully closed their RAPT position in Q4 2025
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q4 2025 | 104 | +60% | 199.99% | +53.46 pp | $1.04B | +140% |
| Q3 2025 | 65 | +30% | 146.53% | +100.92 pp | $433M | +221% |
| Q2 2025 | 50 | 45% | 45.61% | 8.19 pp | $135M | 15% |
| Q1 2025 | 91 | +1.1% | 53.80% | 13.07 pp | $159M | 20% |
| Q4 2024 | 90 | 4.3% | 66.87% | +47.40 pp | $198M | +244% |
| Q3 2024 | 94 | 5.1% | 19.47% | 12.24 pp | $58M | 39% |
| Q2 2024 | 99 | 15% | 31.71% | 58.13 pp | $94M | 65% |
| Q1 2024 | 117 | β | 89.84% | β | $266M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying RAPT stock.
Based on Q4 2025 13F filings, institutional ownership of RAPT Therapeutics, Inc. stands at 200.0%, held across 104 reporting institutions.
Medicxi Ventures Management (Jersey) Ltd is the largest reported institutional holder of RAPT, with approximately 2,794,000 shares worth $0.09B as of Q4 2025.
Yes β 2 widely-followed marquee investors appear among the top 25 institutional holders of RAPT, including CITADEL ADVISORS LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for RAPT is 79 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
49 institutions opened new positions in RAPT during Q4 2025, while 10 fully exited. 48 added to existing positions and 6 trimmed.
RAPT institutional ownership rose by 53.46 percentage points quarter-over-quarter, with a net change of +39 holders.
The top 10 institutions account for 54.0% of all reported 13F value in RAPT, and the top 25 account for 85.4%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
RAPT Therapeutics, Inc. (RAPT) Institutional Ownership