Rock Springs Capital Management LP
CIK 0001595725 · BALTIMORE, MD · Quarter end: 2026-06-30 · Filed on: 2026-08-14 · Open the SEC source ↗
Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$2.05B
2026 Q2
Positions
104
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
44.0%
Est. Net Flow (Q)
—
2026 Q2
Top Holdings
RVMD
REVOLUTION MEDICINES INC
10.1%
TVTX
TRAVERE THERAPEUTICS INC
6.0%
LLY
ELI LILLY & CO
5.8%
MDGL
MADRIGAL PHARMACEUTICALS INC
4.6%
MIRM
MIRUM PHARMACEUTICALS INC
4.6%
RYTM
RHYTHM PHARMACEUTICALS INC
3.8%
KYMR
KYMERA THERAPEUTICS INC
2.5%
ARGX
ARGENX SE
2.4%
New / Increased
No prior quarter data
Reduced / Exited
No prior quarter data
Read the 2026-Q2 quarterly report · 13F Filing Calendar
13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.