Summit Therapeutics Inc. (SMMT) Stock Price History
Historical prices from 2015 to 2026
- 1M
- -17.6%
- 3M
- -18.8%
- YTD
- -20.0%
- 1Y
- -34.3%
- 3Y
- +78.3%
- 5Y
- +14.4%
Loading 10-year price history...
SMMT Historical Performance
SMMT Annual Returns
Year-by-year price performance · 2015–2026
- 2015 annual price return
- +12.9%
- 2016 annual price return
- -22.2%
- 2017 annual price return
- +30.8%
- 2018 annual price return
- -89.7%
- 2019 annual price return
- +33.3%
- 2020 annual price return
- +219.7%
- 2021 annual price return
- -48.0%
- 2022 annual price return
- +50.7%
- 2023 annual price return
- -47.8%
- 2024 annual price return
- +576.1%
- 2025 annual price return
- -4.7%
- 2026 annual price return
- -5.3%
SMMT Stock Price Trajectory (2015–2026)
As of June 28, 2026, Summit Therapeutics Inc. (SMMT) trades at $14.01, representing a -34.3% return over the past year. The stock has delivered a +121.3% total return over five years (+14.4% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $36.91 on April 24, 2025. From this peak, SMMT has corrected -62.0%, currently trading 21% below its 200-day moving average, suggesting potential weakness.
When compared to Healthcare sector peers KYMR (+136.5% 1Y), RVMD (+385.8% 1Y), and TNGX (+539.6% 1Y), SMMT has underperformed the peer group average. Compare SMMT vs KYMR →
SMMT Historical Price Data · from 2015
Rows 1–50 of 2,846| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-06-26 | 14.00 | 14.25 | 13.88 | 14.01 | 0 | -1.20% |
| 2026-06-25 | 14.22 | 14.53 | 14.05 | 14.18 | 4.58M | -0.49% |
| 2026-06-24 | 14.25 | 14.76 | 14.17 | 14.25 | 6.67M | 0.00% |
| 2026-06-23 | 14.13 | 14.81 | 13.93 | 14.25 | 5.81M | -0.21% |
| 2026-06-22 | 13.78 | 14.39 | 13.70 | 14.28 | 7.32M | +3.85% |
| 2026-06-18 | 14.38 | 14.60 | 13.56 | 13.75 | 7.26M | -2.27% |
| 2026-06-17 | 13.99 | 14.49 | 13.83 | 14.07 | 5.69M | +1.37% |
| 2026-06-16 | 14.15 | 14.24 | 13.75 | 13.88 | 5.37M | -1.77% |
| 2026-06-15 | 14.44 | 14.58 | 13.70 | 14.13 | 8.52M | +0.86% |
| 2026-06-12 | 13.00 | 14.18 | 12.92 | 14.01 | 9.74M | +7.11% |
| 2026-06-11 | 13.65 | 13.69 | 13.06 | 13.08 | 9.23M | +0.23% |
| 2026-06-10 | 13.22 | 14.05 | 12.55 | 13.05 | 8.58M | -8.68% |
| 2026-06-09 | 14.47 | 14.68 | 14.03 | 14.29 | 4.76M | +1.28% |
| 2026-06-08 | 14.94 | 14.97 | 13.81 | 14.11 | 5.46M | -4.47% |
| 2026-06-05 | 15.27 | 15.27 | 14.65 | 14.77 | 6.42M | -0.47% |
| 2026-06-04 | 14.96 | 15.21 | 14.42 | 14.84 | 5.22M | -1.53% |
| 2026-06-03 | 14.75 | 15.11 | 14.27 | 15.07 | 4.35M | +1.41% |
| 2026-06-02 | 15.42 | 15.54 | 14.17 | 14.86 | 9.38M | -5.41% |
| 2026-06-01 | 16.70 | 16.84 | 15.17 | 15.71 | 19.13M | -10.43% |
| 2026-05-29 | 17.59 | 18.50 | 17.38 | 17.54 | 7.19M | +0.75% |
| 2026-05-28 | 17.25 | 17.87 | 16.32 | 17.41 | 4.34M | +0.29% |
| 2026-05-27 | 17.18 | 17.50 | 17.02 | 17.36 | 2.20M | +2.12% |
| 2026-05-26 | 16.58 | 17.11 | 15.90 | 17.00 | 4.78M | +2.29% |
| 2026-05-22 | 16.47 | 17.40 | 16.47 | 16.62 | 6.85M | -4.87% |
| 2026-05-21 | 17.86 | 17.96 | 17.18 | 17.47 | 3.20M | -2.35% |
| 2026-05-20 | 16.13 | 17.93 | 16.13 | 17.89 | 4.56M | +12.87% |
| 2026-05-19 | 15.75 | 16.01 | 15.56 | 15.85 | 2.55M | -1.06% |
| 2026-05-18 | 16.87 | 16.97 | 15.55 | 16.02 | 4.37M | -5.04% |
| 2026-05-15 | 17.78 | 17.95 | 16.84 | 16.87 | 2.67M | -7.00% |
| 2026-05-14 | 18.54 | 18.81 | 17.79 | 18.14 | 1.97M | -3.46% |
| 2026-05-13 | 18.79 | 19.05 | 18.43 | 18.79 | 2.08M | -0.84% |
| 2026-05-12 | 18.38 | 19.08 | 18.29 | 18.95 | 2.21M | +1.55% |
| 2026-05-11 | 18.15 | 19.41 | 18.15 | 18.66 | 3.89M | +3.21% |
| 2026-05-08 | 17.46 | 18.15 | 17.06 | 18.08 | 3.85M | +5.42% |
| 2026-05-07 | 17.92 | 18.15 | 16.83 | 17.15 | 2.70M | -3.92% |
| 2026-05-06 | 17.72 | 18.19 | 17.23 | 17.85 | 3.82M | +1.77% |
| 2026-05-05 | 17.00 | 17.77 | 16.55 | 17.54 | 4.48M | +3.30% |
| 2026-05-04 | 16.33 | 17.42 | 16.00 | 16.98 | 6.44M | +5.37% |
| 2026-05-01 | 16.02 | 16.81 | 15.14 | 16.11 | 18.00M | -24.91% |
| 2026-04-30 | 20.95 | 22.38 | 20.85 | 21.46 | 3.66M | +3.02% |
| 2026-04-29 | 21.61 | 21.61 | 20.55 | 20.83 | 2.72M | -2.02% |
| 2026-04-28 | 22.03 | 22.39 | 21.25 | 21.26 | 2.90M | -3.89% |
| 2026-04-27 | 22.08 | 22.55 | 21.81 | 22.12 | 3.68M | +0.18% |
| 2026-04-24 | 22.28 | 22.36 | 21.45 | 22.08 | 5.21M | -0.85% |
| 2026-04-23 | 23.83 | 24.72 | 22.14 | 22.27 | 4.96M | -9.40% |
| 2026-04-22 | 26.64 | 26.77 | 23.43 | 24.58 | 8.23M | -6.82% |
| 2026-04-21 | 25.22 | 29.23 | 24.92 | 26.38 | 10.18M | +5.02% |
| 2026-04-20 | 24.50 | 25.44 | 23.74 | 25.12 | 3.32M | -0.12% |
| 2026-04-17 | 24.55 | 25.48 | 24.06 | 25.15 | 4.88M | +2.99% |
| 2026-04-16 | 21.34 | 24.54 | 21.26 | 24.42 | 6.75M | +15.63% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
SMMT — Frequently Asked Questions
Quick answers to the most common questions about buying SMMT stock.
How has SMMT stock performed recently?
SMMT declined -34.3% over the past year, below its 5-year annualized CAGR of +14.4%. The stock trades below its 200-day moving average, reflecting the downtrend.
What is SMMT's all-time high price?
Summit Therapeutics Inc. reached $36.91 on 2025-04-24. The 52-week high is $30.98. Current 1-year return of -34.3% places the stock further from historical peaks.
Where can I download SMMT historical price data?
This page provides SMMT daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2015-2026, downloadable in CSV format.