RTW Investments, L.P. is 10% Owner at Milestone Pharmaceuticals Inc. (MIST). They have made 25 open-market trades across 11 companies since 2019, most recently 2026-04-27.
CIK 0001493215
19 open-market purchases totalling $131.7M since 2019, against 6 sales. Across 19 scored buys the stock is down 18.4% at ninety days, and 24.1 points behind the S&P over the same stretch.
19 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 42% | 37% | 32% |
| Avg Move | -8.4% | -11.1% | -18.4% |
| Alpha | -8.1% | -12.8% | -24.1% |
| Scored | 19 | 19 | 19 |
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 33% | 50% | 50% |
| Avg Move | +1.5% | -3.1% | +17.5% |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| OBIO | SELL | 2026-04-27 | 2026-04-29 | $4.13 | $132 | +2.1% | +1.6% | +0.7% |
| KLRA | BUY | 2026-04-20 | 2026-04-22 | $16.00 | $8.0M | +3.2% | -12.5% | -23.8% |
| OBIO | BUY | 2025-04-29 | 2025-04-29 | $2.53 | $253K | +1.1% | +8.0% | +29.8% |
| DMTK | SELL | 2022-11-04 | 2022-11-08 | $1.77 | $177K | +25.4% | +27.0% | +182.2% |
| RCKT | BUY | 2022-10-06 | 2022-10-11 | $14.75 | $20.0M | +1.4% | +4.0% | +8.5% |
| LABP | SELL | 2022-09-23 | 2022-09-27 | $0.69 | $414K | +3.1% | -45.2% | -32.9% |
| MIST | SELL | 2022-09-07 | 2022-09-09 | $8.71 | $27.1M | -3.4% | -5.6% | -51.3% |
| MIST | BUY | 2022-09-07 | 2022-09-09 | $8.71 | $13.6M | -3.4% | -5.6% | -51.3% |
| RCOR | BUY | 2022-01-18 | 2022-01-20 | $8.00 | $356K | -0.7% | -25.5% | -44.7% |
| RCOR | BUY | 2022-01-04 | 2022-01-06 | $8.00 | $1.2M | -3.2% | -21.6% | -49.3% |
| RCOR | BUY | 2021-12-29 | 2022-01-03 | $8.00 | $37K | -6.9% | -19.3% | -48.8% |
| RCOR | BUY | 2021-09-02 | 2021-09-07 | $10.00 | $8.0M | +18.4% | -6.3% | -2.5% |
| TARS | SELL | 2021-05-07 | 2021-05-07 | $29.98 | $13.5M | +1.3% | +18.2% | -15.9% |
| LABP | BUY | 2021-02-04 | 2021-02-08 | $16.00 | $10.0M | +8.9% | -3.0% | -20.6% |
| ATHA | BUY | 2020-09-18 | 2020-09-22 | $17.00 | $12.8M | -3.1% | +18.2% | +83.6% |
| RNA | BUY | 2020-06-16 | 2020-06-16 | $18.00 | $17.1M | -10.6% | -14.8% | +20.6% |
| MIST | BUY | 2020-03-18 | 2020-03-19 | $10.77 | $156K | -86.1% | -82.7% | -69.3% |
| DMTK | BUY | 2020-03-03 | 2020-03-05 | $14.61 | $1.0M | -24.2% | -22.4% | -2.6% |
| MIST | BUY | 2020-03-02 | 2020-03-19 | $18.95 | $3.0M | -86.1% | -82.7% | -69.3% |
| MIST | BUY | 2019-12-30 | 2020-01-02 | $15.50 | $353K | +12.3% | +37.6% | -88.7% |
| MIST | BUY | 2019-11-20 | 2019-11-22 | $16.00 | $6.4M | -9.0% | -13.4% | +16.8% |
| STOK | SELL | 2019-11-08 | 2019-11-12 | $28.70 | $943K | -19.3% | -14.5% | +22.6% |
| MIST | BUY | 2019-10-01 | 2019-10-03 | $17.72 | $255K | -3.0% | +8.2% | -15.9% |
| MIST | BUY | 2019-05-09 | 2019-05-09 | $15.00 | $10.0M | +26.8% | +22.7% | +4.6% |
| RCKT | BUY | 2019-04-16 | 2019-04-18 | $17.50 | $19.3M | +5.4% | +0.7% | -26.8% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| CRGX | 5,175,832 | $23.1M |
| ATHA | 1,918,913 | $13.0M |
| RCOR | 3,000,803 | $9.6M |
| MIST | 4,315,102 | $3.1M |
| DMTK | 3,118,666 | $293K |
| Total | $599.1M |
Shares reported on the most recent Form 4, priced at the 2026-04-29 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Scored | 6 | 6 | 6 |