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CITADEL ADVISORS LLC

Position in IMSR — Terrestrial Energy Inc. /DE/

CIK 1423053 MIAMI, FL

Position in IMSR

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$71,231
-$7,598,703 QoQ
Shares Held
10,061
-99.2% QoQ
Ownership
0.009%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#79
of 107 holders
Holding Since
Jun 2025
5 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in IMSR Over Time

Shares Held

Position Value (USD)

Derivatives in IMSR

reported options exposure · as of Jun 30, 2026
CallValue
$4,138,968
CallShares
584,600
PutValue
$1,496,004
PutShares
211,300

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Utilities - Regulated Electric

Utilities · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $3,204,689,172 across 41 Utilities - Regulated Electric names. IMSR ranks #41 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in IMSR

Export CSV
14 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,138,968 584,600
2026-06-30 $1,496,004 211,300
2026-06-30 $71,231 10,061
2026-03-31 $3,375,410 562,100
2026-03-31 $755,429 125,800
2026-03-31 $7,669,934 1,277,258
2025-12-31 $667,823 109,300
2025-12-31 $14,076,193 2,303,796
2025-12-31 $1,677,195 274,500
2025-12-31 $12,398,460 2,029,208
2025-09-30 HOND 108,600
2025-09-30 HOND 201,100
2025-09-30 HOND 1,030,421
2025-06-30 HOND 69,721