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Rock Springs Capital Management LP

Rock Springs Capital Management LP is an Investment Adviser institutional filer with the SEC under CIK 1595725, reporting 104 portfolio positions, with 20 historical 13F filings on file. Most recent reporting period: 2026-06-30.

A Form 13F reports a manager's US-listed stock and option positions only. It does not include real estate, private funds, bonds, cash or non-US holdings, so a 13F portfolio value is not the firm's total assets under management (AUM).

  • State of incorporation: DE
  • Filing type: 13F-HR
  • Latest reporting period: 2026-06-30
  • Last filed: 2026-08-14

Top 10 portfolio positions

The largest reported holdings in Rock Springs Capital Management LP's most recent 13F filing, ranked by reported market value.

  1. REVOLUTION MEDICINES INC (RVMD)
  2. TRAVERE THERAPEUTICS INC (TVTX)
  3. ELI LILLY & CO (LLY)
  4. MADRIGAL PHARMACEUTICALS INC (MDGL)
  5. MIRUM PHARMACEUTICALS INC (MIRM)
  6. RHYTHM PHARMACEUTICALS INC (RYTM)
  7. KYMERA THERAPEUTICS INC (KYMR)
  8. ARGENX SE (ARGX)
  9. ASCENDIS PHARMA A/S (ASND)
  10. XENON PHARMACEUTICALS INC (XENE)
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