Cornerstone Planning Group LLC

SEC CIK: 0001822587
Latest filing: Jul 29, 2026

SEC filings (opens in a new tab)

ASPN holding history

Aspen Aerogels Inc in every 13F filed by Cornerstone Planning Group LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

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

Shares (Q2 2026): 750
Value: $3.98K
% of portfolio: <0.1%
Quarters held: 4; Since Q3 2025

Holdings of ASPN by Cornerstone Planning Group LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	750	$3.98K	<0.1%	00.0%	Unchanged	Holders
Q1 2026	750	$3.10K	<0.1%	00.0%	Unchanged	Holders
Q4 2025	750	$2.57K	<0.1%	+675+900.0%	Added	Holders
Q3 2025	75	$565	<0.1%	+75	New	Holders