0000899140-24-000847.txt : 20240813 0000899140-24-000847.hdr.sgml : 20240813 20240813113353 ACCESSION NUMBER: 0000899140-24-000847 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20240630 FILED AS OF DATE: 20240813 DATE AS OF CHANGE: 20240813 EFFECTIVENESS DATE: 20240813 FILER: COMPANY DATA: COMPANY CONFORMED NAME: ACK Asset Management LLC CENTRAL INDEX KEY: 0001510940 ORGANIZATION NAME: IRS NUMBER: 203467522 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-14060 FILM NUMBER: 241199672 BUSINESS ADDRESS: STREET 1: 777 WEST PUTNAM AVENUE, SUITE 300 CITY: GREENWICH STATE: CT ZIP: 06830 BUSINESS PHONE: 914 220-8340 MAIL ADDRESS: STREET 1: 777 WEST PUTNAM AVENUE, SUITE 300 CITY: GREENWICH STATE: CT ZIP: 06830 13F-HR 1 primary_doc.xml X0202 13F-HR LIVE 0001510940 XXXXXXXX 06-30-2024 06-30-2024 false ACK Asset Management LLC

777 WEST PUTNAM AVENUE, SUITE 300 GREENWICH CT 06830

13F HOLDINGS REPORT 028-14060 N Andres Aguirre 914-358-3299 /s/ Andres Aguirre Greenwich CT 08-13-2024 0 19 810285950 INFORMATION TABLE 2 informationtable.xml ROG COM 775133101 71159900 590000 SH SOLE 590000 0 0 DY COM 267475101 90370980 535500 SH SOLE 535500 0 0 ENS COM 29275Y102 74016800 715000 SH SOLE 715000 0 0 MTZ COM 576323109 82628377 772300 SH SOLE 772300 0 0 MTRN COM 576690101 54659715 505500 SH SOLE 505500 0 0 GVA COM 387328107 51125250 825000 SH SOLE 825000 0 0 ATS COM 00217Y104 64620000 2000000 SH SOLE 2000000 0 0 CLFD COM 18482P103 26799200 695000 SH SOLE 695000 0 0 CNM COM 21874C102 66166880 1352000 SH SOLE 1352000 0 0 ESI COM 28618M106 40680000 1500000 SH SOLE 1500000 0 0 CECO COM 125141101 23691620 821200 SH SOLE 821200 0 0 THRY COM 886029206 4365900 245000 SH SOLE 245000 0 0 NEOG COM 640491106 25936422 1659400 SH SOLE 1659400 0 0 ARRY COM 04271T100 43933320 4282000 SH SOLE 4282000 0 0 ATRO COM 046433108 41261800 2060000 SH SOLE 2060000 0 0 MIR COM 60471A101 35416009 3297580 SH SOLE 3297580 0 0 MDA-TC COM 55293N109 2115227 211600 SH SOLE 211600 0 0 FIP COM 35953C106 8845750 1025000 SH SOLE 1025000 0 0 LUNA COM 550351100 2492800 779000 SH SOLE 779000 0 0