Stolper Co

SEC CIK: 0001808195
Latest filing: Jul 14, 2026

SEC filings (opens in a new tab)

ALSN holding history

Allison Transmission Holdings Inc in every 13F filed by Stolper Co, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

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

Shares (Q2 2026): 85,388
Value: $9.63M
% of portfolio: 2.5%
Quarters held: 4; Since Q3 2025

Holdings of ALSN by Stolper Co, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	85,388	$9.63M	2.5%	+3,118+3.8%	Added	Holders
Q1 2026	82,270	$9.63M	3.2%	+8,991+12.3%	Added	Holders
Q4 2025	73,279	$7.17M	2.1%	−2,327−3.1%	Reduced	Holders
Q3 2025	75,606	$6.42M	1.9%	+75,606	New	Holders