United States · 
What does Rock Springs Capital invest in?
Rock Springs Capital invests most often at Series B and Series C (74% of the rounds on record), in sectors such as Healthcare.
Rock Springs Capital highlights
- 01
1 cheques in the last 12 months
- 02
Mostly Series B and Series C: 74% of its rounds
- 03
1 exits from the portfolio
What they do
Rock Springs Capital is a specialist healthcare investment firm managing $1.8B across two strategies.From their own website
- Type
- Hedge fund (from a list, unverified)
- Cheque size
- Not stated
- Stages
- GrowthSeedSeries A
- Sectors
- Healthcare
- Based in
- Baltimore, United States
- Cold pitches
- Not accepted
The record
Every round we can evidence, newest first36 appearances
- 2026
1 round
- Jun
- 2024
2 rounds
- May
- Jan
- 2023
1 round
- Feb
- 2021
2 rounds
- Aug
- Jun
- 2020
1 round
- Mar
- 2019
1 round
- Dec
- 2016
1 round
- Jun
- 2015
15 rounds
- Dec
- Nov
- Oct
- Sept
- Sept
- Sept
- Jul
- Jun
- May
- May
- Apr
- Apr
- Mar
- Mar
- Feb
- 2014
10 rounds
- Dec
- Dec
- Nov
- Oct
- Sept
- Aug
- Aug
- May
- May
- Apr
- 2013
1 round
- Nov
- 2012
1 round
- Nov
An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.
The team
Named by the firm itself, on a filing, its Form ADV or its company registration5 named
AHAidan Hugh O'ConnorChief Compliance Officer and General CounseliForm ADV
GMGordon Margraf ("mark") BussardMember/Limited PartneriForm ADV
GMGraham Margraff (Mark) McPhailMember/Limited PartneriForm ADV
KHKris Harlan JennerMember/Limited PartneriForm ADV
NCNnamdi C EtohChief Financial OfficeriForm ADV
We also hold 12 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.
What the register says
From the firm's own filings with the SEC, which it must file accurately by law
$2.4Bassets it managesOct 2026
Registeredinvestment adviserfull reporting to the SEC
- Legal name
- ROCK Springs Capital Management LP
- SEC number
- CRD 168648
Funds on its Form ADV
2 private funds, $5.8B in gross assets · filed Mar 2024
- Rock Springs Capital Master Fund L.P.Hedge635 investors$5.5B
- FOUR Pines Master Fund L.P.Hedge25 investors$264M
Exits from the portfolio
Companies it backed that were later bought or listed1 in all
Civitas TherapeuticsBought by Acorda Therapeutics$525MSept 2014
An exit counts when it came after the firm's first round in the company. From historical deal records.