§ 13F · FUND PROFILE
Rock Springs Capital Management LP.
Institutional filer · behavioral pattern: Other. Summary pending.
AUM · $1.7B (13F)Positions · 93Turnover · — · Q1Filed · May 15, 2026
CONCENTRATION
—
Top 10 holdings
NEW BUYS
0
+$44M deployed
EXITS
0
No exits
SECTOR SHIFT
—
No prior quarter data
3YR HIT RATE
—
Top-5 overlap
§ 01 · TOP HOLDINGS
The book · Q1 2026
FILED MAY 15, 2026
| # | Ticker | Name | Shares | $ value | % port | Δ Q1 |
|---|---|---|---|---|---|---|
| 1 | RVMD | REVOLUTION MEDICINES INC | 1.21M | $118M | 6.9% | −9% |
| 2 | LLY | ELI LILLY & CO | 99K | $91M | 5.4% | −6% |
| 3 | MDGL | MADRIGAL PHARMACEUTICALS INC | 171K | $90M | 5.3% | +22% |
| 4 | MIRM | MIRUM PHARMACEUTICALS INC | 811K | $75M | 4.4% | +6% |
| 5 | ARGX | ARGENX SE | 99K | $72M | 4.2% | −5% |
| 6 | RYTM | RHYTHM PHARMACEUTICALS INC | 690K | $60M | 3.5% | −1% |
| 7 | INSM | INSMED INC | 314K | $51M | 3.0% | −2% |
| 8 | ASND | ASCENDIS PHARMA A/S | 194K | $44M | 2.6% | −5% |
| 9 | XENE | XENON PHARMACEUTICALS INC | 763K | $44M | 2.6% | −3% |
| 10 | TVTX | TRAVERE THERAPEUTICS INC | 1.48M | $44M | 2.6% | −33% |
§ 02 · SECTOR ALLOCATION
Where the money is
Sector data pending
§ 03 · THE ROCK SIGNAL
AC read
Rock Springs Capital Management LP is a Other fund managing $1.7 billion in assets. The fund runs a portfolio of 93 positions.
Read the full dossier →§ 04 · FILING HISTORY
Q-by-Q deltas
2 FILINGS
Q1 2026
Steady book
+0 buys · −0 exits · 0 changed
Q4 2025
Steady book
+0 buys · −0 exits · 0 changed
Q3 2025
Steady book
+0 buys · −0 exits · 0 changed
Q1 2025
Steady book
+0 buys · −0 exits · 0 changed