AdvisorCensus / Financial advisors / Massachusetts / Boston / RA Capital Management, LP
RA Capital Management, LP is an SEC-registered investment advisory firm in Boston, MA, registered since 2012, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated March 31, 2026.
Quick answers
From the filingHow is RA Capital Management, LP compensated?
On its Form ADV (Item 5.E, October 2026), RA Capital Management, LP reports these compensation arrangements: a percentage of assets under its management; performance-based fees.
Where is RA Capital Management, LP located?
RA Capital Management, LP's principal office is in Boston, MA, according to its Form ADV; the April 2026 filing also lists 2 other offices (Schedule D, Section 1.F).
Is RA Capital Management, LP registered with the SEC or a state?
RA Capital Management, LP is an SEC-registered investment advisory firm, registered since 2012. Status as filed: Approved. CRD 160174.
How much does RA Capital Management, LP manage?
RA Capital Management, LP reports $16,401,931,385 in regulatory assets under management in its Form ADV filing dated March 31, 2026 (100% discretionary).
How have RA Capital Management, LP's assets and staff changed since 2021?
In the Form ADV data for RA Capital Management, LP: Regulatory assets under management: $11,529,102,378 in the October 2021 data and $16,401,931,385 in the October 2026 data, up 42%. Total employees: 99 in October 2021 and 185 in October 2026. Assets under management move with markets as well as with clients coming and going.
What types of clients does RA Capital Management, LP serve?
By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (12); corporations or other businesses not listed above (1).
Which custodians does RA Capital Management, LP use?
RA Capital Management, LP's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists National Financial Services LLC as a custodian holding 10% or more of its separately managed account assets.
Does RA Capital Management, LP report any disciplinary disclosures?
Reports 3 disclosure items on Form ADV Item 11: yes answers to 11.C(2) (SEC or CFTC finding of a violation), 11.C(4) (SEC or CFTC order), and 11.C(5) (SEC or CFTC civil money penalty or cease-and-desist order). Each question covers the firm and its advisory affiliates, and one event can produce several yes answers. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/160174
What changed in RA Capital Management, LP's recent Form ADV filings?
In the April 2026 filing data: Employees performing advisory functions went from 96 to 95. Regulatory assets under management went from $12,629,842,282 to $16,401,931,385 (+30%). Updated its list of owners and control persons (Schedule A).
From the Form ADV filing
Every figure below is as the firm filed it with regulators, as of October 2026.
How the firm is compensated
Item 5.E- A percentage of assets under your management
- Performance-based fees
Item 5.E lists how the firm is compensated for its advice; Items 5.B, 6.A, and 7.A show whether its people or related companies can also earn commissions. Percentage of assets, fixed, hourly, subscription, and performance-based fees come from clients (a performance-based fee depends on investment results); commissions come with a sale or a trade, often from the company behind the product. How fees, commissions, and other arrangements differ
Fees and minimums
Form ADV Part 2AThe brochure lists different fees for different services or strategies. See the firm's brochure (dated March 31, 2026) for its fees and any account minimum, on the SEC's IAPD site.
Regulatory assets under management
Item 5.F$16,401,931,385 as of October 2026, filing dated March 31, 2026.
A measure of scale, not skill or returns. Discretionary means the firm decides trades; non-discretionary means clients approve each one. What assets under management means
Who the firm serves
Item 5.DA firm with no individual clients is an institutional manager even if it manages billions; the mix tells you whom the practice is built around.
Advisory services
Item 5.G- Portfolio management for pooled investment vehicles (other than investment companies)
- Portfolio management for businesses (other than small businesses) or institutional clients
Registration and firm details
Items 1, 2, 5- Registration
- SEC-registered investment adviser. Status as filed: Approved.
- Registered since
- 2012 (14 years)
- Employees
- Total: 185. Performing investment advisory functions: 95.
- Wrap fee program participation
- No.
- Custodians (Schedule D, Section 5.K(3))
-
Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.
- Other offices (Schedule D, Section 1.F)
-
2 other offices, as of the April 2026 filing
- States registered or notice-filed
-
4 states or jurisdictions
SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration
Disclosures
Item 113 Reports 3 disclosure items on Form ADV Item 11. View on IAPD.
Questions answered yes on this filing
Regulatory matters Items 11.C to 11.G
- 11.C(2) Has the SEC or the CFTC ever found that the firm or an advisory affiliate was involved in a violation of SEC or CFTC regulations or statutes?
- 11.C(4) Has the SEC or the CFTC ever entered an order against the firm or an advisory affiliate in connection with investment-related activity?
- 11.C(5) Has the SEC or the CFTC ever imposed a civil money penalty on the firm or an advisory affiliate, or ordered the firm or an advisory affiliate to cease and desist from an activity?
Each question covers the firm and its advisory affiliates: its current employees other than clerical staff, its officers, partners, and directors, and anyone who controls the firm or is controlled by it. One event can produce yes answers to several questions. SEC-registered advisers and exempt reporting advisers may leave out events more than ten years old, and may answer 11.A(2) and 11.B(2) for pending charges only. What happened, and who was involved, is on the Disclosure Reporting Pages of the IAPD record. Reading a firm's disclosures
Assets and staff over time
Items 5.A, 5.F| Data period | Assets under management | Employees | Filing dated |
|---|---|---|---|
| October 2026 | $16,401,931,385 | 185 | March 31, 2026 |
| October 2025 | $12,629,842,282 | 160 | March 31, 2025 |
| October 2024 | $11,323,065,361 | 130 | March 29, 2024 |
| October 2023 | $9,650,336,033 | 122 | April 3, 2023 |
| October 2022 | $10,147,001,376 | 113 | March 31, 2022 |
| October 2021 | $11,529,102,378 | 99 | March 31, 2021 |
Regulatory assets under management: $11,529,102,378 in the October 2021 data and $16,401,931,385 in the October 2026 data, up 42%.
Total employees: 99 in October 2021 and 185 in October 2026.
As filed in each year's data for the same month. Assets under management move with markets as well as with clients coming and going; they measure scale, not skill or returns. Most firms update these figures once a year.
Changes in the filing
Last 12 months- April 2026
- Employees performing advisory functions went from 96 to 95.
- Regulatory assets under management went from $12,629,842,282 to $16,401,931,385 (+30%).
- Updated its list of owners and control persons (Schedule A).
Compared month to month from the SEC's monthly adviser data and the state compilation feed. Owners and control persons are summarized, never named.
Websites listed on Form ADV
Item 1.ISource: Form ADV, as of October 2026. Values appear as filed; a value the firm did not report is shown as "Not reported."
Cite this page
AdvisorCensus. RA Capital Management, LP (CRD 160174): Form ADV filing data as of October 2026. https://advisorcensus.com/firm/ra-capital-management-lp-boston-ma-160174