IMSR Short Interest (April 15, 2026 Update)
Short interest for IMSR was 3.3M as of April 15, 2026, +0.6% from the prior report.
This page tracks IMSR short interest over time, including historical values, changes between reports, and days to cover.
Terrestrial Energy Inc. Common | IMSR | R | Latest report: April 15, 2026
At the latest settlement date of April 15, 2026, Terrestrial Energy Inc. Common (IMSR) showed reported short interest of 3,276,068 shares. That compared with 3,255,139 shares in the prior report, a change of 20.9K shares, or +0.6%. The latest reported days to cover was 2.16, based on average daily volume of 1.5M.
The historical data currently tracked for IMSR includes 12 reported entries from October 31, 2025 to April 15, 2026. The table below shows each reported settlement date currently included for this symbol.
Extreme edge-case readings may reflect unusually low reported average volume.
| Settlement Date | Short Interest | Prior Short Interest | Change Shares | Change % | Average Daily Volume | Days to Cover |
|---|---|---|---|---|---|---|
| April 15, 2026 | 3,276,068 | 3,255,139 | 20.9K | +0.6% | 1.5M | 2.16 |
| March 31, 2026 | 3,255,139 | 3,296,337 | -41.2K | -1.2% | 1.8M | 1.77 |
| March 13, 2026 | 3,296,337 | 3,686,500 | -390.2K | -10.6% | 1.2M | 2.81 |
| February 27, 2026 | 3,686,500 | 3,697,779 | -11.3K | -0.3% | 1.4M | 2.71 |
| February 13, 2026 | 3,697,779 | 3,089,469 | 608.3K | +19.7% | 2.0M | 1.83 |
| January 30, 2026 | 3,089,469 | 3,770,596 | -681.1K | -18.1% | 4.5M | 1 |
| January 15, 2026 | 3,770,596 | 3,024,640 | 746.0K | +24.7% | 5.8M | 1 |
| December 31, 2025 | 3,024,640 | 1,611,109 | 1.4M | +87.7% | 2.0M | 1.53 |
| December 15, 2025 | 1,611,109 | 1,224,234 | 386.9K | +31.6% | 1.5M | 1.08 |
| November 28, 2025 | 1,224,234 | 1,906,165 | -681.9K | -35.8% | 2.0M | 1 |
| November 14, 2025 | 1,906,165 | 2,558,429 | -652.3K | -25.5% | 1.8M | 1.07 |
| October 31, 2025 | 2,558,429 | 1,212,762 | 1.3M | +111.0% | 3.5M | 1 |