Castalian Partners, LLC

SEC CIK: 0001976319
Latest filing: Aug 12, 2025

SEC filings (opens in a new tab)

AMTM holding history

Amentum Holdings, Inc. in every 13F filed by Castalian Partners, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

AMTM overview All 13F holders of AMTM Full Q2 2025 holdings

Shares (Q2 2025): 0; Sold out in Q2 2025
Value: $0
% of portfolio: 0.0%
Quarters held: 2; Since Q4 2024

Holdings of AMTM by Castalian Partners, LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2025	0	$0	0.0%	−304,500−100.0%	Sold out	Holders
Q1 2025	304,500	$5.54M	24.3%	−695,500−69.6%	Reduced	Holders
Q4 2024	1,000,000	$21.0M	19.9%	–	No prior filing	Holders