Terrestrial Energy Inc. (IMSR)

Price$5.15Cached quote
IMSRNasdaq
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Financial charts

Net income

Total cash / debt

CashTotal debt

Financial statements

3 annual periodsNewest to oldest
202520242023
Revenue$0$248,357$18,614
Research & development$9.8M$5.2M$7.2M
Operating expenses$25.2M$10.6M$13.8M
Operating income−$25.2M−$10.4M−$13.8M
Operating margin—−4,168.81%−74,224.67%
EBITDA−$24.0M−$9.1M−$11.9M
EBITDA margin—−3,662.93%−63,921.16%
Net income−$28.0M−$11.5M−$13.9M
Net profit margin—−4,624.56%−74,720.44%
Basic EPSper basic share-$0.39-$0.19-$0.23
Diluted EPSper diluted share-$0.39-$0.19-$0.23

Owners

Reported shareholders

Reference date Jun 30, 2026
Sella Roberto Marco · ≈16.79% of listed sharesIrish Simon · ≈6.25% of listed sharesVANGUARD CAPITAL MANAGEMENT LLC · 4.13% of listed sharesHCM Investor Holdings II, LLC / Matthews Shawn · ≈3.98% of listed sharesEXCHANGE TRADED CONCEPTS, LLC · 2.61% of listed sharesUBS Group AG · 2.14% of listed sharesHRT FINANCIAL LP · 1.36% of listed sharesBlackRock, Inc. · 1.30% of listed sharesJPMORGAN CHASE & CO · 1.17% of listed sharesGEODE CAPITAL MANAGEMENT, LLC · 0.84% of listed sharesLMR Partners LLP · 0.84% of listed sharesD. E. Shaw & Co., Inc. · 0.81% of listed sharesHudson Bay Capital Management LP · 0.71% of listed sharesPacer Advisors, Inc. · 0.69% of listed sharesSUSQUEHANNA INTERNATIONAL GROUP, LLP · 0.69% of listed sharesWINTON GROUP Ltd · 0.61% of listed sharesMORGAN STANLEY · 0.50% of listed sharesVerition Fund Management LLC · 0.45% of listed sharesVANGUARD FIDUCIARY TRUST CO · 0.44% of listed sharesVennlight Capital Management, LP · 0.43% of listed shares
≈16.79%of listed shares
Sella Roberto Marco13.89M shares · Oct 29, 2025
View holders
Top 20 reported holders of IMSR
Holder% owned
Sella Roberto Marco
≈16.79%13.89M shares
Irish Simon
≈6.25%5.17M shares
VANGUARD CAPITAL MANAGEMENT LLC
4.13%3.41M shares
HCM Investor Holdings II, LLC / Matthews Shawn
≈3.98%3.29M shares
EXCHANGE TRADED CONCEPTS, LLC
2.61%2.16M shares
UBS Group AG
2.14%1.77M shares
HRT FINANCIAL LP
1.36%1.13M shares
BlackRock, Inc.
1.30%1.07M shares
JPMORGAN CHASE & CO
1.17%966.8K shares
GEODE CAPITAL MANAGEMENT, LLC
0.84%693.93K shares
LMR Partners LLP
0.84%690.7K shares
D. E. Shaw & Co., Inc.
0.81%667.97K shares
Hudson Bay Capital Management LP
0.71%589.29K shares
Pacer Advisors, Inc.
0.69%574.62K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP
0.69%571.83K shares
WINTON GROUP Ltd
0.61%504K shares
MORGAN STANLEY
0.50%412.82K shares
Verition Fund Management LLC
0.45%374.96K shares
VANGUARD FIDUCIARY TRUST CO
0.44%365.77K shares
Vennlight Capital Management, LP
0.43%353.01K shares

Percentages use 82.72M shares of this listed class outstanding on Jun 30, 2026. ≈ compares the latest reported holding with a share total from a different date; it is not a confirmed current stake.

Gray completes the 100% scale. Reported positions may overlap; holders have different reporting dates.

Source: SEC Form 3/A ↗Updated Sep 29, 2026 · Quarterly data

Insider buys & sells

Jul 1, 2024–Jun 30, 2026
Buys0$0.00 disclosed value
Sells (SEC code S)0$0.00 disclosed value
0 recent transactions
No insider transactions transactions were reported in the stored SEC coverage.

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