| Owner | Title | From | %Ownership |
|---|---|---|---|
| Rock Springs Capital LLC | General Partner | 03/2013 | < 5% |
| Bussard, Gordon, Margraf ("Mark") | Member/limited Partner | 03/2013 | 25-50% |
| Mcphail, Graham, Morgan | Member/limited Partner | 03/2013 | 25-50% |
| Jenner, Kris, Harlan | Member/limited Partner | 03/2013 | 25-50% |
| Bussard, Gordon, Margraf ("Mark") | Member | 03/2013 | 25-50% |
| Mcphail, Graham, Morgan | Member | 03/2013 | 25-50% |
| Jenner, Kris, Harlan | Member | 03/2013 | 25-50% |
| Etoh, Nnamdi, C | Chief Financial Officer | 01/2021 | < 5% |
| O'connor, Aidan, Hugh | Chief Compliance Officer and General Counsel | 10/2022 | < 5% |
| Fund structure | AUM | Fund type |
|---|---|---|
| Rock Springs Capital | $5.88 bn | |
| Four Pines Master Fund LP | $167.40 mm | Hedge Fund |
| Four Pines Onshore Fund LP | ||
| Four Pines Offshore Fund LP | ||
| Rock Springs Capital Master Fund LP | $4.28 bn | Hedge Fund |
| Rock Springs Capital Fund LP | ||
| Rock Springs Capital Offshore Fund LP |
