As of the most recent data (June 2026), IMSR shows a operating income of $-39M. That compares with $-13M in the prior-year period — down 202.7% year over year. Scroll down for historical charts and peer comparison views.

Compared with the year-ago period, IMSR's operating income is now $-39M (was $-13M) — a 202.7% year-over-year decrease. Pairing that YoY change with peer averages gives a clearer picture of whether Terrestrial Energy is outperforming or lagging.

Tracking IMSR's operating income over time shows whether Terrestrial Energy is scaling, shrinking, or reshaping that part of the business. The current reading is $-39M That compares with $-13M in the prior-year period — down 202.7% year over year. Multi-quarter patterns matter more than any single print, which is why this page emphasizes history and peer comparison charts.

Besides this operating income page, Stockcircle has Terrestrial Energy's full stock overview, other financial metrics, insider and congress trade tabs, and tools to follow the stock. Together they help you connect operating income (currently $-39M) with ownership activity and broader fundamentals.