Rock Springs Capital Management LP
Position in MDGL — Madrigal Pharmaceuticals, Inc.
CIK 1595725
Baltimore, MD
Position in MDGL
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$89,512,846
+$8,207,700 QoQ
Shares Held
170,999
+22.5% QoQ
Ownership
0.742%
of shares outstanding
% of Portfolio
5.29%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in MDGL Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Rock Springs Capital Management LP holds $1,246,050,197 across 66 Biotechnology names. MDGL ranks #2 (7.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RVMD |
Revolution Medicines, Inc.
|
1,209,465 | $117,620,471 | |
| 2 | MDGL |
Madrigal Pharmaceuticals, Inc.
This page
|
170,999 | $89,512,846 | |
| 3 | MIRM |
Mirum Pharmaceuticals, Inc.
|
811,294 | $74,947,339 | |
| 4 | ARGX |
Argenx SE
|
98,500 | $71,929,625 | |
| 5 | RYTM |
Rhythm Pharmaceuticals, Inc.
|
689,748 | $59,987,383 | |
| 6 | INSM |
INSMED Inc
|
314,300 | $51,394,336 | |
| 7 | ASND |
Ascendis Pharma A/S
|
194,000 | $44,373,620 | |
| 8 | XENE |
Xenon Pharmaceuticals Inc.
|
763,020 | $44,369,613 |
All Filings in MDGL
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $89,512,846 | 170,999 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $81,305,146 | 139,618 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $63,178,580 | 137,746 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $42,459,181 | 140,296 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $55,215,378 | 166,698 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $81,836,466 | 265,212 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $55,827,017 | 263,062 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $68,778,999 | 245,499 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $76,355,014 | 285,931 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $45,852,343 | 198,169 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $28,677,728 | 196,369 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $46,019,358 | 199,218 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $84,335,793 | 348,121 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $101,042,120 | 348,121 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $20,633,350 | 317,485 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $22,725,576 | 317,485 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $26,835,820 | 273,500 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $22,828,956 | 269,400 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $20,944,875 | 262,500 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $25,570,125 | 262,500 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $30,236,745 | 258,500 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $28,544,898 | 256,768 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $30,189,239 | 254,268 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $28,795,851 | 254,268 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $16,690,000 | 250,000 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||