Rock Springs Capital Management LP Portfolio Holdings

Rock Springs Capital Management LP

  • $1.5 Billion
  • Q3 2025

Rock Springs Capital Management LP has filed its 13F form on November 14, 2025 for Q3 2025 where it was disclosed a total value porftolio of $1.5 Billion distributed in 93 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Argenx Se with a value of $105M, Eli Lilly & CO with a value of $80.4M, Rhythm Pharmaceuticals, Inc. with a value of $72.4M, Madrigal Pharmaceuticals, Inc. with a value of $63.2M, and Revolution Medicines, Inc. with a value of $62.4M.

Examining the 13F form we can see an increase of $22.8M in the current position value, from $1.47B to 1.5B.

Rock Springs Capital Management LP is based out at Baltimore, MD

Below you can find more details about Rock Springs Capital Management LP portfolio as well as his latest detailed transactions.

Portfolio value $1.5 Billion
Healthcare: $1.48 Billion
ETFs: $15.2 Million

Stock Holdings Table Market Cap. of $50 Millions to $300 Millions

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$227M
$9.1 Million 0.61% of portfolio
4,570,649
Q3 2025 Added 2.36%
$168M
$8.76 Million 0.59% of portfolio
4,609,309
Q3 2025 Reduced 3.35%
$255M
$8.59 Million 0.57% of portfolio
3,266,960
Q3 2023 Added 196.92%
$238M
$7.18 Million 0.48% of portfolio
6,966,300
Q3 2025 Added 6.35%
$75.2M
$2.84 Million 0.19% of portfolio
1,270,000
Q1 2025 Reduced 20.22%
$146M
$19,000 0.0% of portfolio
13,430
Q3 2025 Reduced 98.64%

Summary

  • Portfolio
  • No. of Stocks 93
  • Current Value $1.5 Billion
  • Prior Value $1.47 Billion
  • Filing
  • Period Q3 2025
  • Filing Date November 14, 2025
  • Form Type 13F-HR
  • Activity in Q3 2025
  • New Purchases 9 stocks
  • Additional Purchases 24 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 35 stocks
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