Renaissance Technologies LLC

SEC CIK: 0001037389
Latest filing: Aug 13, 2026

SEC filings (opens in a new tab)

IMSR holding history

Terrestrial Energy Inc. in every 13F filed by Renaissance Technologies 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 (Q2 2026): 183,800
Value: $1.30M
% of portfolio: <0.1%
Quarters held: 3; Since Q4 2025

Holdings of IMSR by Renaissance Technologies LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	183,800	$1.30M	<0.1%	−224,100−54.9%	Reduced	Holders
Q1 2026	407,900	$2.45M	<0.1%	+235,100+136.1%	Added	Holders
Q4 2025	172,800	$1.06M	<0.1%	+172,800	New	Holders