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 monthly returns
Summit Therapeutics Inc. Common Stock has averaged 5.50% per month, positive in 45% of months. Month-by-month returns for Summit Therapeutics Inc. Common Stock (SMMT) below, through August 14, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.
Average month
+5.5%
128 months
Best month
+431.3%
Dec 2022
Worst month
-81.6%
Jun 2018
Positive months
45%
of all months
Summit Therapeutics Inc. Common Stock monthly returns#
| Month | Path | Total return |
|---|---|---|
| Aug 2026 | +2.3% | |
| Jul 2026 | -10.6% | |
| Jun 2026 | -16.9% | |
| May 2026 | -18.3% | |
| Apr 2026 | +13.2% | |
| Mar 2026 | +14.3% | |
| Feb 2026 | +14.6% | |
| Jan 2026 | -17.2% | |
| Dec 2025 | -2.2% | |
| Nov 2025 | -5.4% | |
| Oct 2025 | -8.5% | |
| Sep 2025 | -12.8% |
Monthly total return (since Sep 2021)
-400%-200%+0%+200%+400%
20222023202420252026
Methodology#
Monthly returns are total returns (dividends reinvested), computed from SMMT's split- and dividend-adjusted month-end closes. The table shows the most recent 120 months and the bar chart the most recent 60. 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 monthly return?
- Summit Therapeutics Inc. Common Stock (SMMT) has averaged about 5.50% per month, positive in roughly 45% of months. The best month was Dec 2022 (+431.3%) and the worst was Jun 2018 (-81.6%).