Terrestrial Energy Inc. (IMSR) Stock Price History
Historical prices from 2025 to 2026
- 1M
- +3.6%
- 3M
- +17.0%
- YTD
- +15.8%
- 1Y
- -66.7%
- 3Y
- -30.7%
- 5Y
- -19.7%
Loading 10-year price history...
IMSR Historical Performance
IMSR Annual Returns
Year-by-year price performance · 2025–2026
- 2025 annual price return
- -73.1%
- 2026 annual price return
- +5.7%
IMSR Stock Price Trajectory (2025–2026)
As of June 16, 2026, Terrestrial Energy Inc. (IMSR) trades at $7.56, representing a -66.7% return over the past year. The stock has delivered a -66.7% total return over five years (-19.7% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $27.16 on October 20, 2025. From this peak, IMSR has corrected -72.2%.
When compared to Energy sector peers NNE (-27.6% 1Y), OKLO (-7.2% 1Y), and SMR (-74.9% 1Y), IMSR has underperformed the peer group average. Compare IMSR vs NNE →
IMSR Historical Price Data · from 2025
Rows 1–50 of 165| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-06-15 | 7.75 | 7.88 | 7.37 | 7.56 | 607K | +4.56% |
| 2026-06-12 | 7.33 | 7.72 | 7.16 | 7.23 | 2.00M | -0.14% |
| 2026-06-11 | 6.87 | 7.25 | 6.73 | 7.24 | 2.26M | +5.85% |
| 2026-06-10 | 7.06 | 7.24 | 6.78 | 6.84 | 1.84M | -4.47% |
| 2026-06-09 | 7.51 | 7.78 | 6.65 | 7.16 | 2.87M | -3.24% |
| 2026-06-08 | 7.75 | 7.78 | 7.32 | 7.40 | 2.23M | -1.99% |
| 2026-06-05 | 8.60 | 8.73 | 7.29 | 7.55 | 5.05M | -13.52% |
| 2026-06-04 | 8.50 | 9.08 | 8.26 | 8.73 | 2.34M | -0.46% |
| 2026-06-03 | 9.32 | 9.33 | 8.56 | 8.77 | 3.95M | -8.65% |
| 2026-06-02 | 9.35 | 9.95 | 9.15 | 9.60 | 4.46M | +1.16% |
| 2026-06-01 | 9.04 | 10.14 | 8.86 | 9.49 | 7.35M | +3.94% |
| 2026-05-29 | 8.10 | 9.25 | 7.61 | 9.13 | 6.48M | +11.89% |
| 2026-05-28 | 8.03 | 8.55 | 7.90 | 8.16 | 2.22M | -0.37% |
| 2026-05-27 | 8.14 | 8.65 | 7.96 | 8.19 | 2.79M | -0.97% |
| 2026-05-26 | 7.81 | 8.44 | 7.64 | 8.27 | 3.11M | +8.53% |
| 2026-05-22 | 7.00 | 8.07 | 7.00 | 7.62 | 4.32M | +9.96% |
| 2026-05-21 | 6.54 | 6.96 | 6.51 | 6.93 | 2.42M | +3.28% |
| 2026-05-20 | 6.30 | 6.73 | 6.10 | 6.71 | 3.20M | +8.05% |
| 2026-05-19 | 6.35 | 6.41 | 6.05 | 6.21 | 3.04M | -4.90% |
| 2026-05-18 | 7.25 | 7.26 | 6.38 | 6.53 | 3.11M | -10.55% |
| 2026-05-15 | 7.80 | 7.80 | 7.14 | 7.30 | 2.78M | -10.43% |
| 2026-05-14 | 7.15 | 8.35 | 7.00 | 8.15 | 5.70M | +14.47% |
| 2026-05-13 | 7.20 | 7.47 | 7.06 | 7.12 | 1.88M | -3.52% |
| 2026-05-12 | 7.52 | 7.59 | 6.95 | 7.38 | 2.82M | -3.66% |
| 2026-05-11 | 7.16 | 8.00 | 7.04 | 7.66 | 3.35M | +3.79% |
| 2026-05-08 | 7.51 | 7.53 | 7.03 | 7.38 | 2.57M | -0.14% |
| 2026-05-07 | 8.26 | 8.40 | 7.29 | 7.39 | 4.41M | -14.27% |
| 2026-05-06 | 7.95 | 8.64 | 7.62 | 8.62 | 8.92M | +19.89% |
| 2026-05-05 | 7.35 | 7.42 | 6.88 | 7.19 | 2.00M | -0.69% |
| 2026-05-04 | 7.42 | 7.64 | 7.19 | 7.24 | 868K | -4.49% |
| 2026-05-01 | 7.28 | 7.59 | 7.10 | 7.58 | 1.71M | +4.41% |
| 2026-04-30 | 6.90 | 7.42 | 6.90 | 7.26 | 2.16M | +6.76% |
| 2026-04-29 | 7.10 | 7.23 | 6.70 | 6.80 | 2.54M | -4.23% |
| 2026-04-28 | 7.40 | 7.44 | 7.03 | 7.10 | 2.54M | -6.46% |
| 2026-04-27 | 7.60 | 7.89 | 7.36 | 7.59 | 2.69M | -2.63% |
| 2026-04-24 | 7.87 | 8.23 | 7.25 | 7.79 | 3.64M | +0.71% |
| 2026-04-23 | 8.60 | 8.94 | 7.44 | 7.74 | 4.44M | -6.52% |
| 2026-04-22 | 7.32 | 8.30 | 7.30 | 8.28 | 3.16M | +16.78% |
| 2026-04-21 | 7.67 | 7.82 | 7.07 | 7.09 | 2.93M | -6.96% |
| 2026-04-20 | 7.45 | 7.93 | 7.27 | 7.62 | 3.03M | +0.20% |
| 2026-04-17 | 7.30 | 8.15 | 7.12 | 7.61 | 5.09M | +7.26% |
| 2026-04-16 | 7.36 | 7.39 | 6.89 | 7.09 | 1.97M | -0.98% |
| 2026-04-15 | 7.20 | 7.59 | 7.07 | 7.16 | 2.98M | +1.56% |
| 2026-04-14 | 7.00 | 7.25 | 6.83 | 7.05 | 2.14M | +6.98% |
| 2026-04-13 | 6.29 | 6.65 | 6.11 | 6.59 | 1.05M | +3.94% |
| 2026-04-10 | 6.30 | 6.42 | 6.15 | 6.34 | 1.15M | +1.60% |
| 2026-04-09 | 6.09 | 6.28 | 5.91 | 6.24 | 1.60M | +1.05% |
| 2026-04-08 | 6.33 | 6.45 | 6.03 | 6.17 | 1.87M | +3.78% |
| 2026-04-07 | 6.15 | 6.17 | 5.76 | 5.95 | 1.14M | -4.34% |
| 2026-04-06 | 6.20 | 6.30 | 6.15 | 6.22 | 778K | -0.32% |
What if you invested $1,000 in IMSR 10 years ago?
Total return calculator · dividends reinvested
Calculate ReturnsHow much would $100/month in IMSR be worth today?
Dollar cost averaging vs lump sum · see how regular investing compounds over time
Run the NumbersIs IMSR Undervalued Right Now?
DCF intrinsic value, peer multiples, and analyst estimates — see what the stock is really worth.
View ValuationIMSR vs XOM — which is the better buy?
Side-by-side revenue, margins, P/E and 10-year returns vs Exxon Mobil Corporation.
Compare NowIMSR — Frequently Asked Questions
Quick answers to the most common questions about buying IMSR stock.
How has IMSR stock performed recently?
IMSR declined -66.7% over the past year, below its 5-year annualized CAGR of -19.7%. The stock trades near its 200-day moving average, reflecting the downtrend.
What is IMSR's all-time high price?
Terrestrial Energy Inc. reached $27.16 on 2025-10-20. The 52-week high is $27.16. Current 1-year return of -66.7% places the stock further from historical peaks.
Where can I download IMSR historical price data?
This page provides IMSR daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2025-2026, downloadable in CSV format.