SMMT
Summit Therapeutics Inc. Common StockStock · Health Care$13.32−$0.68 (-4.86%)as of market close, Aug 14, 2026
☾ After hours:$13.35+0.00%3:59 PM ET
SMMT weekly returns
Summit Therapeutics Inc. Common Stock has averaged 1.38% per week, positive in 45% of weeks. Week-by-week returns for Summit Therapeutics Inc. Common Stock (SMMT) below, through August 14, 2026 — the table lists the most recent weeks; the bar chart plots the last 2 years.
Average week
+1.4%
597 weeks
Best week
+402.6%
Dec 9, 2022
Worst week
-80.2%
Jun 29, 2018
Positive weeks
45%
of all weeks
Summit Therapeutics Inc. Common Stock weekly returns#
| Week ending | Path | Total return |
|---|---|---|
| Aug 14, 2026 | -4.6% | |
| Aug 7, 2026 | +7.2% | |
| Jul 31, 2026 | -4.7% | |
| Jul 24, 2026 | -1.1% | |
| Jul 17, 2026 | -9.4% | |
| Jul 10, 2026 | -1.1% | |
| Jul 2, 2026 | +10.1% | |
| Jun 26, 2026 | +1.9% | |
| Jun 18, 2026 | -1.9% | |
| Jun 12, 2026 | -5.1% | |
| Jun 5, 2026 | -15.8% | |
| May 29, 2026 | +5.5% |
Weekly total return (since Aug 23, 2024)
-150%-100%-50%+0%+50%+100%+150%
20252026
Methodology#
Weekly returns are total returns (dividends reinvested), computed from SMMT's split- and dividend-adjusted weekly (ISO week) closes. The table shows the most recent 260 weeks and the bar chart the most recent 104. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.
See also: S&P 500 · Nasdaq-100 · Dow Jones · Russell 2000 · US Bond Market · Gold · Silver · Bitcoin · Ethereum
FAQ#
- What is Summit Therapeutics Inc. Common Stock's average weekly return?
- Summit Therapeutics Inc. Common Stock (SMMT) has averaged about 1.38% per week, positive in roughly 45% of weeks. The best week was Dec 9, 2022 (+402.6%) and the worst was Jun 29, 2018 (-80.2%).