Managers / Q4 2024 · view latest →
Rock Springs Capital Management LP
CIK 0001595725 · 650 SOUTH EXETER STREET, SUITE 1070, BALTIMORE, MD, 21202 · 4102200129
Reported Value
$2.6B
Q4 2024
Positions
107
Filings on Record
30
2019–present window
Filed
Feb 14, 2025
original filing
Summary
Rock Springs Capital Management Lp reported $2.6B in U.S.-listed holdings across 107 positions for Q4 2024.
Its largest position, ARGX, represents 5.4% of the portfolio.
Compared with Q3 2024, the fund opened 10 new positions and exited 12.
Reported Value by Quarter
13F Reported Value
Portfolio Composition
By security type
Composition data arrives with ticker enrichment.
Quarter-over-Quarter Changes full breakdown →
Holdings — Q4 2024
Filing History
| Quarter | Reported Value | Positions | Filed | Type | Links |
|---|---|---|---|---|---|
| Q1 2026 | $1.7B | 100 | May 15, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q4 2025 | $2.0B | 99 | Feb 17, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q3 2025 | $1.7B | 93 | Nov 14, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q2 2025 | $1.6B | 93 | Aug 14, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q1 2025 | $1.7B | 96 | May 15, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q4 2024 | $2.6B | 107 | Feb 14, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q3 2024 | $3.1B | 109 | Nov 14, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q2 2024 | $3.3B | 112 | Aug 14, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q1 2024 | $3.9B | 114 | May 15, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q4 2023 | $4.1B | 104 | Feb 14, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q3 2023 | $3.7B | 120 | Nov 14, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q2 2023 | $4.2B | 123 | Aug 14, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q1 2023 | $4.2B | 121 | May 15, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q4 2022 | $4.16T | 120 | Feb 14, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q3 2022 | $3.9B | 128 | Nov 14, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q2 2022 | $3.4B | 131 | Aug 15, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q1 2022 | $4.0B | 135 | May 16, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q4 2021 | $4.3B | 136 | Feb 14, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q3 2021 | $4.8B | 153 | Nov 15, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q2 2021 | $5.1B | 156 | Aug 16, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q1 2021 | $4.6B | 151 | May 17, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q4 2020 | $4.7B | 155 | Feb 16, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q3 2020 | $3.9B | 148 | Nov 16, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q2 2020 | $3.6B | 143 | Aug 14, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q1 2020 | $2.4B | 131 | May 15, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q4 2019 | $3.2B | 130 | Feb 14, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q3 2019 | $2.5B | 138 | Nov 14, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q2 2019 | $2.8B | 135 | Aug 14, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q1 2019 | $2.6B | 131 | May 15, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q4 2018 | $2.1B | 133 | Feb 14, 2019 | 13F-HR | changes · EDGAR ↗ |
13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.