Ra Capital Management

Hedge Fund SEC-registered adviser

Legal name: Ra Capital Management, LP

Boston, MA Website LinkedIn X

AUM

$16.4B
Regulatory AUM

Private funds

6
Venture Capital 5 · Hedge Fund 1

Private fund assets

$16.3B
Gross asset value

Employees

185

Last Form D raise

Apr 2026
Most recent fund filing

From SEC Form ADV filing (filed Mar 31, 2026). View on SEC

Investment focus

As listed in industry directories; may be out of date.

Geographies
USA

People(3)

Owners and executive officers named on the firm's SEC Form ADV.

Funds(6)

Private funds reported on Form ADV, with amounts raised from the funds' SEC Form D filings.

FundTypeGross assetsRaised (Form D)InvestorsLast Form DRecency
Ra Capital Healthcare Fund, LPHedge Fund$14.5B$2.4B351Apr 2026Hot
Ra Capital Planetary Health Fund, LPVenture Capital$118.1M$122.2M25Jul 2025Cool
Ra Capital Nexus Fund IV, L.P.Venture Capital$195.7M——Apr 2025Cool
Ra Capital Nexus III Fund, L.P.Venture Capital$971.9M$881.0M74Oct 2021Cold
Ra Capital Nexus II Fund, L.P.Venture Capital$331.9M——Sep 2020Cold
Ra Capital Nexus Fund, L.P.Venture Capital$195.1M$128.9M25Jul 2019Cold

Board seats(3)

Companies whose SEC Form D filings name one of this firm's people as a director, matched by name and office ZIP code.

Adeo Health Science
Other Health CareBoston, MADirector: Peter Kolchinsky
$5.4M raised
Since Sep 2017
SEC Form D
Calimmune
BiotechnologyTucson, AZDirector: Peter Kolchinsky
$15.9M raised
Since May 2015
SEC Form D
Cellscape
OtherMountain View, CADirector: Peter Kolchinsky
$9.3M raised
Since Mar 2012
SEC Form D

Regulatory identifiers

CRD number
160174
SEC file number
801-73980
CIK
1346824

Sources