Rock Springs Capital Management LP Portfolio Holdings

Rock Springs Capital Management LP

  • $1.67 Billion
  • Q1 2025

Rock Springs Capital Management LP has filed its 13F form on May 15, 2025 for Q1 2025 where it was disclosed a total value porftolio of $1.67 Billion distributed in 96 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Argenx Se with a value of $104M, Eli Lilly & CO with a value of $93.7M, Blueprint Medicines Corp with a value of $89.2M, Madrigal Pharmaceuticals, Inc. with a value of $55.2M, and Unitedhealth Group Inc with a value of $52.6M.

Examining the 13F form we can see an decrease of $833M in the current position value, from $2.51B to 1.67B.

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 $1.67 Billion
Healthcare: $1.67 Billion

Stock Holdings Table

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$31.3B
$104 Million 6.22% of portfolio
175,750
Q1 2025 Reduced 23.45%
$720B
$93.7 Million 5.6% of portfolio
113,500
Q1 2025 Reduced 21.45%
$5.94B
$89.2 Million 5.33% of portfolio
1,007,569
Q1 2025 Reduced 8.14%
$4.99B
$55.2 Million 3.3% of portfolio
166,698
Q1 2025 Reduced 37.15%
$273B
$52.6 Million 3.15% of portfolio
100,500
Q1 2025 Reduced 42.9%
$1.36B
$52.3 Million 3.13% of portfolio
2,921,196
Q1 2025 Reduced 41.27%
$2.44B
$50.5 Million 3.02% of portfolio
1,394,434
Q1 2025 Reduced 19.85%
$199B
$50.5 Million 3.02% of portfolio
102,000
Q1 2025 Reduced 52.78%
$10.6B
$45.7 Million 2.73% of portfolio
171,000
Q1 2025 Reduced 28.75%
$3.46B
$45.3 Million 2.71% of portfolio
1,281,640
Q1 2025 Added 5.64%
$3.34B
$44.2 Million 2.64% of portfolio
834,188
Q1 2025 Reduced 28.26%
$1.66B
$42.9 Million 2.56% of portfolio
951,765
Q1 2025 Reduced 35.32%
$1.84B
$41.3 Million 2.47% of portfolio
980,751
Q1 2025 Added 9.88%
$9.11B
$39.4 Million 2.35% of portfolio
515,900
Q1 2025 Reduced 6.2%
$35.1B
$38.7 Million 2.31% of portfolio
143,250
Q1 2025 Reduced 44.09%
$8.79B
$33.7 Million 2.01% of portfolio
216,000
Q1 2025 Reduced 29.18%
$1.84B
$31.3 Million 1.87% of portfolio
931,681
Q1 2025 Reduced 25.58%
$11.6B
$30.9 Million 1.84% of portfolio
279,000
Q1 2025 Reduced 61.28%
$3.05B
$30.3 Million 1.81% of portfolio
427,532
Q1 2025 Reduced 0.57%
$1.01B
$30.1 Million 1.8% of portfolio
6,950,000
Q1 2025 Reduced 6.88%
$1.35B
$29.4 Million 1.75% of portfolio
1,148,336
Q1 2025 Reduced 43.71%
$152B
$27.9 Million 1.67% of portfolio
277,000
Q1 2025 Reduced 39.78%
$1.83B
$27.2 Million 1.63% of portfolio
672,759
Q1 2025 Reduced 28.92%
$33B
$27.2 Million 1.62% of portfolio
397,650
Q1 2025 Added 12.65%
$3.55B
$26.8 Million 1.6% of portfolio
975,803
Q1 2025 Added 7.34%
$4.23B
$26.6 Million 1.59% of portfolio
254,300
Q1 2025 Reduced 36.03%
$856M
$25.5 Million 1.53% of portfolio
2,695,700
Q1 2025 Added 30.86%
$1.56B
$24.5 Million 1.46% of portfolio
761,541
Q1 2025 Added 6.24%
$1.64B
$21.7 Million 1.3% of portfolio
794,437
Q1 2025 Reduced 23.18%
$9.98B
$20.8 Million 1.24% of portfolio
480,000
Q1 2025 Added 6.67%
$2.33B
$20.7 Million 1.23% of portfolio
681,100
Q1 2025 Added 16.73%
$4.74B
$19.2 Million 1.15% of portfolio
995,000
Q1 2025 Reduced 5.6%
$48.2B
$18.5 Million 1.1% of portfolio
255,000
Q1 2025 Reduced 53.21%
$1.19B
$18.2 Million 1.09% of portfolio
354,376
Q1 2025 Added 219.58%
$17.7B
$17.5 Million 1.05% of portfolio
130,000
Q1 2025 Added 0.62%
$4.65B
$17.4 Million 1.04% of portfolio
512,932
Q1 2025 Added 0.16%
$2B
$16.5 Million 0.98% of portfolio
475,000
Q4 2024 Reduced 10.8%
$4.31B
$15.8 Million 0.94% of portfolio
99,250
Q1 2025 Reduced 23.65%
$1.67B
$15.6 Million 0.93% of portfolio
1,909,362
Q1 2025 Reduced 26.55%
$1.68B
$15.2 Million 0.91% of portfolio
835,000
Q1 2025 Reduced 9.24%
$281M
$15 Million 0.9% of portfolio
6,684,247
Q1 2025 Reduced 30.37%
$940M
$14.7 Million 0.88% of portfolio
812,653
Q1 2025 Reduced 33.51%
$2.93B
$13.8 Million 0.82% of portfolio
1,050,000
Q4 2024 Added 3.82%
$16B
$13.5 Million 0.81% of portfolio
60,250
Q1 2025 Reduced 64.3%
$574M
$12.5 Million 0.75% of portfolio
520,796
Q1 2025 Added 6.75%
$143B
$12.1 Million 0.72% of portfolio
58,800
Q1 2025 New
$3.09B
$10.2 Million 0.61% of portfolio
159,300
Q1 2025 Reduced 48.2%
$1.55B
$10 Million 0.6% of portfolio
342,180
Q1 2025 Reduced 27.36%
$537M
$9.79 Million 0.59% of portfolio
623,402
Q1 2025 Reduced 19.57%

Summary

  • Portfolio
  • No. of Stocks 96
  • Current Value $1.67 Billion
  • Prior Value $2.51 Billion
  • Filing
  • Period Q1 2025
  • Filing Date May 15, 2025
  • Form Type 13F-HR
  • Activity in Q1 2025
  • New Purchases 6 stocks
  • Additional Purchases 25 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 47 stocks
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