0000899140-23-000897.txt : 20230815 0000899140-23-000897.hdr.sgml : 20230815 20230814200620 ACCESSION NUMBER: 0000899140-23-000897 CONFORMED SUBMISSION TYPE: 13F-HR/A PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20230630 FILED AS OF DATE: 20230815 DATE AS OF CHANGE: 20230814 EFFECTIVENESS DATE: 20230815 FILER: COMPANY DATA: COMPANY CONFORMED NAME: ACK Asset Management LLC CENTRAL INDEX KEY: 0001510940 IRS NUMBER: 203467522 FILING VALUES: FORM TYPE: 13F-HR/A SEC ACT: 1934 Act SEC FILE NUMBER: 028-14060 FILM NUMBER: 231172906 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/A 1 primary_doc.xml X0202 13F-HR/A LIVE 0001510940 XXXXXXXX 06-30-2023 06-30-2023 true 1 RESTATEMENT 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 08-14-2023 0 23 802904 INFORMATION TABLE 2 informationtable.xml AMOT COM 019330109 32248 807400 SH SOLE 807400 0 0 ATKR COM 047649108 56138 360000 SH SOLE 360000 0 0 ATRO COM 046433108 28301 1425000 SH SOLE 1425000 0 0 ATS COM 00217Y104 56292 1221341 SH SOLE 1221341 0 0 CNM COM 21874C102 36198 1155000 SH SOLE 1155000 0 0 EME COM 29084Q100 55434 300000 SH SOLE 300000 0 0 ENS COM 29275Y102 62128 572500 SH SOLE 572500 0 0 ERII COM 29270J100 24523 877400 SH SOLE 877400 0 0 HLIO COM 42328H109 41967 635000 SH SOLE 635000 0 0 LUNA COM 550351100 16816 1843859 SH SOLE 1843859 0 0 MCFT COM 57637H103 16045 523500 SH SOLE 523500 0 0 MDA COM 55292X108 12768 2070000 SH SOLE 2070000 0 0 MTRN COM 576690101 54873 480500 SH SOLE 480500 0 0 MTZ COM 576323109 60755 515000 SH SOLE 515000 0 0 NEOG COM 640491106 43500 2000000 SH SOLE 2000000 0 0 ONEW COM 68280L101 11401 314600 SH SOLE 314600 0 0 ROG COM 775133101 59914 370000 SH SOLE 370000 0 0 SLCA COM 90346E107 9098 750000 SH SOLE 750000 0 0 SMRT COM 83193G107 22616 5905000 SH SOLE 5905000 0 0 THRY COM 886029206 22153 900509 SH SOLE 900509 0 0 TITN COM 88830R101 19470 660000 SH SOLE 660000 0 0 VMI COM 920253101 14553 50000 SH SOLE 50000 0 0 ZWS COM 98983L108 45713 1700000 SH SOLE 1700000 0 0