# RA CAPITAL MANAGEMENT, LP

RA CAPITAL MANAGEMENT, LP of BOSTON, MA is an SEC-registered investment adviser.

## Registration

- CRD: 160174
- Type: SEC-registered investment adviser
- SEC file number: 801-73980
- Location: 200 BERKELEY STREET, 18TH FLOOR, BOSTON, MA, 02116
- Phone: 617-778-2500
- Latest filing: 2026-03-31
- Regulatory AUM: $16.4B
- Discretionary AUM: $16.4B
- Clients: 185
- Accounts: 13

## Business model

- Compensation: % of AUM, Performance
- Clients served: Pooled vehicles, Investment cos

## Officers, owners & control persons (28)

_Showing 25 of 28 people._

| Name | Role | Location |
| --- | --- | --- |
| [Michael Saulnier](https://search.stillhousedata.com/person/64718) | CHIEF FINANCIAL OFFICER | Boston, MA |
| [Peter Nmn Kolchinsky](https://search.stillhousedata.com/person/687552) | PORTFOLIO MANAGER; TRUSTEE | — |
| [Richard H Mi Only Aldrich](https://search.stillhousedata.com/person/687553) | PARTNER | — |
| [Rajeev Mahesh Shah](https://search.stillhousedata.com/person/687554) | PORTFOLIO MANAGER; TRUSTEE | — |
| [Christopher James Caliri](https://search.stillhousedata.com/person/687555) | CHIEF INFORMATION OFFICER | — |
| [Eric Paul Rose](https://search.stillhousedata.com/person/687556) | CHIEF COMPLIANCE OFFICER | — |
| [Sarah Watt Burgess Reed](https://search.stillhousedata.com/person/687557) | GENERAL COUNSEL | — |
| [Christopher Lee Gorgone](https://search.stillhousedata.com/person/687558) | HEAD OF CAPITAL FORMATION AND INVESTOR RELATIONS | — |
| [ALDRICH RICHARD H](https://search.stillhousedata.com/person/768687) | CLASS C MEMBER | — |
| [ROSE ERIC PAUL](https://search.stillhousedata.com/person/776174) | CHIEF COMPLIANCE OFFICER | — |
| [WU KAI C](https://search.stillhousedata.com/person/790481) | CHIEF FINANCIAL OFFICER | — |
| [KASSIAN NATASHA MARIA](https://search.stillhousedata.com/person/794027) | GENERAL COUNSEL, CHIEF COMPLIANCE OFFICER | — |
| [DANIELS DIANA LYNN](https://search.stillhousedata.com/person/801077) | CHIEF OPERATING OFFICER; DIRECTOR OF OPERATIONS AND CHIEF COMPLIANCE OFFICER; OPERATIONS MANAGER AND CHIEF COMPLIANCE OFFICER | — |
| [MEISNER DEREK MICHAEL](https://search.stillhousedata.com/person/823310) | GENERAL COUNSEL, CHIEF COMPLIANCE OFFICER | — |
| [WOLF CHRISTOPHER JAMES](https://search.stillhousedata.com/person/826418) | CHIEF FINANCIAL OFFICER | — |
| [KOLCHINSKY PETER NMN](https://search.stillhousedata.com/person/826777) | MANAGING MEMBER, PORTFOLIO MANAGER; PORTFOLIO MANAGER; TRUSTEE | — |
| [SHAH RAJEEV MAHESH](https://search.stillhousedata.com/person/826778) | CLASS B MEMBER, PORTFOLIO MANAGER; PORTFOLIO MANAGER; TRUSTEE | — |
| [MCGRATH NICHOLAS MYLES](https://search.stillhousedata.com/person/836665) | GENERAL COUNSEL, CHIEF COMPLIANCE OFFICER | — |
| [REED SARAH WATT BURGESS](https://search.stillhousedata.com/person/836697) | GENERAL COUNSEL | — |
| [ALDRICH RICHARD H MI ONLY](https://search.stillhousedata.com/person/840375) | CLASS C MEMBER; PARTNER | — |
| [WU KAI CHEONG](https://search.stillhousedata.com/person/840376) | CHIEF FINANCIAL OFFICER | — |
| [BOELHOUWER PIETER JAMES ALEXANDER](https://search.stillhousedata.com/person/850766) | MANAGING DIRECTOR OF STRATEGY AND OPERATIONS | — |
| [CALIRI CHRISTOPHER JAMES](https://search.stillhousedata.com/person/851818) | CHIEF INFORMATION OFFICER | — |
| [SAULNIER MICHAEL](https://search.stillhousedata.com/person/864453) | CHIEF FINANCIAL OFFICER | — |
| [Peter (Nmn) Kolchinsky](https://search.stillhousedata.com/person/995967) | PORTFOLIO MANAGER; TRUSTEE | — |


## Disclosures (3)

| Initiated | Type | Allegations | Status | Amount |
| --- | --- | --- | --- | --- |
| 2014-09-16 | regulatory | THE REGULATORY ACTION STEMS FROM ALLEGATIONS THAT THE ADVISER VIOLATED RULE 105 OF REGULATION M OF THE SECURITIES EXCHANGE ACT OF 1934 (THE "EXCHANGE ACT"). | Final | $905K |


## Private funds (6)

Mix: Hedge Fund 1 · Venture Capital Fund 5

| Fund | Type | Formed | Owners | GAV | Min investment |
| --- | --- | --- | --- | --- | --- |
| RA CAPITAL HEALTHCARE FUND, LP | Hedge Fund | Delaware | 987 | $14.5B | $2.0M |
| RA CAPITAL NEXUS III FUND, L.P. | Venture Capital Fund | Delaware | 234 | $971.9M | $10.0M |
| RA CAPITAL NEXUS II FUND, L.P. | Venture Capital Fund | Delaware | 199 | $331.9M | $10.0M |
| RA CAPITAL NEXUS FUND IV, L.P. | Venture Capital Fund | Cayman Islands | 53 | $195.7M | $1.0M |
| RA CAPITAL NEXUS FUND, L.P. | Venture Capital Fund | Delaware | 98 | $195.1M | $10.0M |
| RA CAPITAL PLANETARY HEALTH FUND, LP | Venture Capital Fund | Delaware | 32 | $118.1M | — |


## Branch offices (4)

| City | State | Employees | Phone |
| --- | --- | --- | --- |
| NEW YORK | NY | 4 | 9172703927 |
| NEW YORK | NY | 4 | 9172703927 |
| SAN FRANCISCO | CA | 2 | 650-995-3006 |
| SAN FRANCISCO | CA | 2 | 650-995-3006 |


## Fund service providers (1)

- administrator: SS&C TECHNOLOGIES, INC. — 6 funds

## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/160174/brochure
- Similar advisers: https://search.stillhousedata.com/firm/160174/similar
- Related entities: https://search.stillhousedata.com/firm/160174/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/160174

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Source: public SEC Form ADV 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.