# RAPPORT THERAPEUTICS INC COM

RAPPORT THERAPEUTICS INC COM is a security (CUSIP 75383L102) tracked across SEC portfolio filings. 150 institutional managers reported $1.6B on Form 13F as of 2026-06-30; 18 registered fund positions totaling $260.4M via N-PORT as of 2026-05-31.

## Summary

- Issuer: RAPPORT THERAPEUTICS INC
- Class: COM
- CUSIP: 75383L102
- Asset category: EC
- 13F holders: 150
- 13F value: $1.6B
- 13F period: 2026-06-30
- N-PORT fund positions: 18
- N-PORT value: $260.4M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 150 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| FMR LLC | BOSTON, MA | $224.3M | 7,168,939 |
| TRV GP V, LLC | Boston, MA | $223.3M | 7,135,233 |
| [ARCH Venture Management, LLC](https://search.stillhousedata.com/firm/158196) | CHICAGO, IL | $116.7M | 3,728,738 |
| Capital International Investors | Los Angeles, CA | $96.9M | 3,097,973 |
| [Cormorant Asset Management, LP](https://search.stillhousedata.com/firm/167820) | BOSTON, MA | $92.5M | 2,957,521 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $92.1M | 2,942,251 |
| BlackRock, Inc. | New York, NY | $78.4M | 2,505,955 |
| JOHNSON & JOHNSON | NEW BRUNSWICK, NJ | $74.4M | 1,784,517 |
| Sofinnova Investments, Inc. | Menlo Park, CA | $59.6M | 1,904,408 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $55.2M | 1,817,757 |
| [Polar Capital Holdings Plc](https://search.stillhousedata.com/firm/136133) | London, X0 | $51.4M | 1,642,461 |
| [BAKER BROS. ADVISORS LP](https://search.stillhousedata.com/firm/158149) | NEW YORK, NY | $48.4M | 1,547,090 |
| Vestal Point Capital, LP | NEW YORK, NY | $44.9M | 1,436,229 |
| TRV GP VI, LLC | Boston, MA | $30.3M | 969,218 |
| UBS ASSET MANAGEMENT AMERICAS INC | CHICAGO, IL | $28.8M | 918,866 |

## Top fund holders (N-PORT)

_Showing 15 of 18 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [SMALLCAP World Fund Inc](https://search.stillhousedata.com/fund/S000009599) | SMALLCAP World Fund Inc | $113.7M | 14.03% |
| [Fidelity Growth Company Fund](https://search.stillhousedata.com/fund/S000007119) | Fidelity Mt. Vernon Street Trust | $89.0M | 9.01% |
| [T. Rowe Price Health Sciences Fund, Inc.](https://search.stillhousedata.com/fund/S000002088) | T. ROWE PRICE HEALTH SCIENCES FUND, INC. | $18.8M | 17.27% |
| [T. Rowe Price Small-Cap Value Fund, Inc.](https://search.stillhousedata.com/fund/S000002121) | T. ROWE PRICE SMALL-CAP VALUE FUND, INC. | $11.4M | 12.36% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $10.0M | 1.23% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $6.0M | 3.40% |
| [VANGUARD U.S. MOMENTUM FACTOR ETF](https://search.stillhousedata.com/fund/S000061302) | VANGUARD WELLINGTON FUND | $2.6M | 14.17% |
| [Small Cap Core Portfolio](https://search.stillhousedata.com/fund/S000051867) | Bernstein Fund Inc | $2.3M | 31.71% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $1.8M | 2.37% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $1.4M | 2.90% |
| [T. Rowe Price Health Sciences Portfolio](https://search.stillhousedata.com/fund/S000002083) | T. ROWE PRICE EQUITY SERIES, INC. | $1.2M | 17.58% |
| [Bridge Builder Tax Managed Small/Mid Cap Fund](https://search.stillhousedata.com/fund/S000076295) | Bridge Builder Trust | $627K | 2.07% |
| [Fidelity Nasdaq Composite Index ETF](https://search.stillhousedata.com/fund/S000006011) | Fidelity Commonwealth Trust | $625K | 0.57% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $555K | 0.09% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $453K | 0.15% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/75383L102.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.