Position in GOSS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$529,522
-$9,598,054 QoQ
Shares Held
1,609,492
-50.7% QoQ
Ownership
0.329%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2022
15 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in GOSS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Rock Springs Capital Management LP holds $1,502,002,537 across 70 Biotechnology names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RVMD |
Revolution Medicines, Inc.
|
1,105,210 | $206,983,728 | |
| 2 | TVTX |
Travere Therapeutics, Inc.
|
2,179,069 | $123,792,909 | |
| 3 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
174,999 | $93,965,713 | |
| 4 | MIRM |
Mirum Pharmaceuticals, Inc.
|
798,145 | $93,438,835 | |
| 5 | RYTM |
Rhythm Pharmaceuticals, Inc.
|
692,598 | $76,899,155 | |
| 6 | KYMR |
Kymera Therapeutics, Inc.
|
453,156 | $51,963,398 | |
| 7 | ARGX |
Argenx SE
|
52,750 | $48,939,867 | |
| 8 | ASND |
Ascendis Pharma A/S
|
168,750 | $45,009,000 |
All Filings in GOSS
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $529,522 | 1,609,492 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $10,127,576 | 3,266,960 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $8,592,104 | 3,266,960 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $4,018,360 | 3,266,960 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $3,593,656 | 3,266,960 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $2,956,598 | 3,266,960 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $3,221,222 | 3,266,960 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $2,943,530 | 3,266,960 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $3,855,012 | 3,266,960 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $2,982,734 | 3,266,960 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $2,721,377 | 3,266,960 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $1,320,328 | 1,100,274 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $1,386,345 | 1,100,274 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $816,024 | 376,048 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $19,011,804 | 1,586,962 | Shares | Sole | 2022-11-14 | |
| No filing history on record for this holder in this stock. | ||||||