RTW INVESTMENTS, LP
RTW INVESTMENTS, LP reported 84 positions worth $11.71B as of June 30, 2026 (13F filed August 14, 2026). Largest holding: MDGL (9.1%).
| # | Symbol | Company | Type | Value ↓ | % Port. | Shares | 1Y | YTD |
|---|---|---|---|---|---|---|---|---|
| ▸ 1 | MDGL | SH | $1.07B | 9.14% | 1,993,687 | — | — | |
| ▸ 2 | ARGX | SH | $658.2M | 5.62% | 709,446 | — | — | |
| ▸ 3 | PTCT | SH | $631.9M | 5.39% | 7,746,415 | — | — | |
| ▸ 4 | PTGX | SH | $620.4M | 5.30% | 5,061,175 | — | — | |
| ▸ 5 | CGON | SH | $605.0M | 5.16% | 8,514,590 | — | — | |
| ▸ 6 | INSM | SH | $516.3M | 4.41% | 4,842,880 | — | — | |
| ▸ 7 | TNGX | SH | $434.5M | 3.71% | 13,900,620 | — | — | |
| ▸ 8 | SYRE | SH | $377.5M | 3.22% | 4,251,996 | — | — | |
| ▸ 9 | CELC | SH | $345.8M | 2.95% | 3,304,903 | — | — | |
| ▸ 10 | ERAS | SH | $328.8M | 2.81% | 17,946,754 | — | — |
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Frequently Asked Questions
What stocks does RTW INVESTMENTS, LP hold as of Q2 2026?
RTW INVESTMENTS, LP reported 84 positions worth $11.71B in its Q2 2026 13F filing. Largest positions: MDGL (9.1%), ARGX (5.6%), PTCT (5.4%), PTGX (5.3%) and CGON (5.2%).
What did RTW INVESTMENTS, LP buy in Q2 2026?
No previous quarter is available yet; the comparison appears with the next filing.
What did RTW INVESTMENTS, LP sell in Q2 2026?
No previous quarter is available yet.
13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.