Rock Springs Capital Management LP - Portfolio Stock Holdings

Rock Springs Capital Management LP disclosed 101 stock positions in a recent SEC 13F filing. $1,691,465,518 of stock holdings were filed, with the largest holdings including RVMD, LLY, and MDGL. This filing represented positions held on March 31, 2026, and was filed on May 15, 2026.

We estimate the fund has a total AUM of $2,426,287,072 and has 17 employees, per a recent ADV filing. Most of the fund’s AUM appears to come from pooled investment vehicles.