Calamos Advisors LLC

SEC CIK: 0001316507
Latest filing: Jul 31, 2026

SEC filings (opens in a new tab)

IMSR holding history

Terrestrial Energy Inc. in every 13F filed by Calamos Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

IMSR overview All 13F holders of IMSR Full Q2 2026 holdings

Shares (Q3 2025): 0; Sold out in Q3 2025
Value: $0
% of portfolio: 0.0%
Quarters held: 2; Since Q1 2025

Holdings of IMSR by Calamos Advisors LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q3 2025	0	$0	0.0%	−500,000−100.0%	Sold out	Holders
Q2 2025	500,000	$5.55M	<0.1%	00.0%	Unchanged	Holders
Q1 2025	500,000	$5.29M	<0.1%	+500,000	New	Holders