Latest Period
Q2 2026
Security Snapshot
Terrestrial Energy Inc. /DE/ - *W EXP 10/28/203 (IMSRW) Institutional Ownership
CUSIP: 881454110
13F Institutional Holders and Ownership History from Q3 2025 to Q2 2026
Institutions Reporting
23
Shares (Excl. Options)
10,566,586
Price
$3.38
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- Security type / class
- Equity / *W EXP 10/28/203
- Symbol
- IMSRW on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 10,566,586
- Total 13F value
- $35,384,691
- Portfolio coverage rank
- 0%
- Share change
- -21,570
- Value change
- -$34,961
- Number of holders
- 23
- SEC-reported price per share
- $2.63
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
1 identity field
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- IMSRW - Terrestrial Energy Inc. /DE/ - *W EXP 10/28/203 is tracked under CUSIP 881454110.
- 23 institutions reported positions in Q2 2026.
- Schedule 13D/13G significant owner rows are not currently available.
Change
- Holder count moved from 25 to 23 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $27,306,006 to $35,384,691.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 23 institutions filings for Q2 2026.
Security key
881454110
Latest holder period
Q2 2026
13F holders
23
13D/G owners
0
CIK / CUSIP context first
Open Q2 2026 holders
IMSRW full holder history
Terrestrial Energy Inc. /DE/ SEC filings
Terrestrial Energy Inc. /DE/ company facts
Terrestrial Energy Inc. /DE/ insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 881454110:
As of 30 Jun 2026, 23 institutional investors reported holding 10,566,586 shares of Terrestrial Energy Inc. /DE/ - *W EXP 10/28/203 (IMSRW).
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
4
Latest
Q2 2026
Rows shown
1-4 of 4