Position in ARGX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$48,939,867
-$22,989,758 QoQ
Shares Held
52,750
-46.4% QoQ
Ownership
0.085%
of shares outstanding
% of Portfolio
2.39%
of 13F equity value
Holder Rank
#66
of 504 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ARGX 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. ARGX ranks #7 (3.3% of the industry book) .
| # | 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
This page
|
52,750 | $48,939,867 | |
| 8 | ASND |
Ascendis Pharma A/S
|
168,750 | $45,009,000 |
All Filings in ARGX
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $48,939,867 | 52,750 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $71,929,625 | 98,500 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $86,828,087 | 103,250 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $105,286,690 | 142,750 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $96,876,915 | 175,750 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $104,020,273 | 175,750 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $141,204,000 | 229,600 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $126,575,680 | 233,500 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $98,586,670 | 229,250 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $90,260,310 | 229,250 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $87,213,577 | 229,250 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $127,332,170 | 259,000 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $136,405,500 | 350,000 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $130,403,000 | 350,000 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $132,590,500 | 350,000 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $123,567,500 | 350,000 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $132,608,000 | 350,000 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $110,358,500 | 350,000 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $110,309,850 | 315,000 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $95,130,000 | 315,000 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $94,837,050 | 315,000 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $82,617,000 | 300,000 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $84,550,875 | 287,500 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $75,474,500 | 287,500 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $64,753,625 | 287,500 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $32,603,175 | 247,500 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||