Investment adviser · CRD 160174

RA CAPITAL MANAGEMENT, LP

BOSTON, MA, United States · Form ADV filed Mar 31, 2026

Regulatory AUM: $16.4B
Client accounts: 13
Employees: 185
Advisory professionals: 95

How this adviser has changed

Annual filings

Regulatory assets under management

Up to five fiscal years, using the latest annual update available at the selected filing date. Asset changes can reflect acquisitions, client flows, and valuations; they are not investment returns.

Annual adviser history and sources
Fiscal year	Regulatory AUM	Employees	Filed
2021	$10,147,001,376	113	Mar 31, 2022
2022	$9,650,336,033	122	Mar 31, 2023
2023	$11,323,065,361	130	Mar 29, 2024
2024	$12,629,842,282	160	Mar 31, 2025
2025	$16,401,931,385	185	Mar 31, 2026

Who they report serving

Form ADV · Item 5.D

Client types and their share of reported regulatory assets.

Client type	Clients	Regulatory assets	Share of AUM
Pooled investment vehicles	12	$16,339,781,065	99.6%
Corporations & businesses	Fewer than 5	$62,150,320	0.4%

Filing source

Form ADV 2086721 · Mar 31, 2026 · Item 5.D

Reported by RA CAPITAL MANAGEMENT, LP (CRD 160174).

Annual Updating Amendment for Registered Adviser · fiscal year 2025.

Official IAPD profile (latest public filing). Historical values on this page come from the SEC/IAPD filing archive; the public profile may show a newer filing.

J.P. MORGAN

Custodian · funds reporting this exact name in the selected filing

These are reported-name connections within this adviser's filing, not a verified global provider identity or market-wide client count.

Private funds & service providers

6 detailed fund records

Largest reported gross asset value first; unreported values last. Gross asset value is fund-level disclosure, distinct from adviser AUM and Form D fundraising. Master and feeder funds may overlap.

RA CAPITAL HEALTHCARE FUND, LPHedge Fund · Master$14.5BGross asset value

Form D fundraising filings

View filings for the issuers linked by this fund’s reported Form D file numbers.

Fund administrator SS&C TECHNOLOGIES, INC. WINDSOR, Connecticut, United States Investor statements: Yes (provided to all investors) Related to adviser: No Other funds reporting this name →

Auditor KPMG LLP BOSTON, Massachusetts, United States Other funds reporting this name →

Custodian BOFA SECURITIES, INC. NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →

Custodian GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →

Custodian J.P. MORGAN NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →

Custodian NATIONAL FINANCIAL SERVICES LLC BOSTON, Massachusetts, United States Related to adviser: No Other funds reporting this name →

See filing for more → Showing the first 6 providers by role and name. IAPD may show a newer filing.

Provider details

Annual audit: Yes
Prime brokers: Yes
Custodians: Yes
Administrator other than the adviser: Yes
External marketing: No

KPMG LLP
PCAOB 185

BOFA SECURITIES, INC.
SEC 8-69787

GOLDMAN SACHS & CO. LLC
SEC 8-129

NATIONAL FINANCIAL SERVICES LLC
SEC 8-26740

Fund details & source

Fund ID: 805-7177603803
Reported beneficial owners: 987
Minimum commitment: $2M
Form D file number: 021-74043
Form D file number: 021-100507

Form ADV 2086721 · Mar 31, 2026 · Schedule D 7.B.(1)

Reported by RA CAPITAL MANAGEMENT, LP (CRD 160174).

Annual Updating Amendment for Registered Adviser · fiscal year 2025.

Official IAPD profile (latest public filing). Historical values on this page come from the SEC/IAPD filing archive; the public profile may show a newer filing.

RA CAPITAL NEXUS III FUND, L.P.Venture Capital Fund · Master$972MGross asset value

Form D fundraising filings

View filings for the issuers linked by this fund’s reported Form D file numbers.

Fund administrator SS&C TECHNOLOGIES, INC. WINDSOR, Connecticut, United States Investor statements: Yes (provided to all investors) Related to adviser: No Other funds reporting this name →

Auditor KPMG LLP BOSTON, Massachusetts, United States Other funds reporting this name →

Custodian GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →

Custodian J.P. MORGAN NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →

Custodian NATIONAL FINANCIAL SERVICES LLC BOSTON, Massachusetts, United States Related to adviser: No Other funds reporting this name →

Prime broker GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States Other funds reporting this name →

See filing for more → Showing the first 6 providers by role and name. IAPD may show a newer filing.

Provider details

Annual audit: Yes
Prime brokers: Yes
Custodians: Yes
Administrator other than the adviser: Yes
External marketing: No

KPMG LLP
PCAOB 185

GOLDMAN SACHS & CO. LLC
SEC 8-129

NATIONAL FINANCIAL SERVICES LLC
SEC 8-26740

GOLDMAN SACHS & CO. LLC
CRD 361 · SEC 8-129

Fund details & source

Fund ID: 805-4817804283
Reported beneficial owners: 234
Minimum commitment: $10M
Form D file number: 021-415889
Form D file number: 021-415892

Form ADV 2086721 · Mar 31, 2026 · Schedule D 7.B.(1)

Reported by RA CAPITAL MANAGEMENT, LP (CRD 160174).

Annual Updating Amendment for Registered Adviser · fiscal year 2025.

Official IAPD profile (latest public filing). Historical values on this page come from the SEC/IAPD filing archive; the public profile may show a newer filing.

RA CAPITAL NEXUS II FUND, L.P.Venture Capital Fund · Master$332MGross asset value