0000899140-23-001054.txt : 20231113 0000899140-23-001054.hdr.sgml : 20231113 20231113121323 ACCESSION NUMBER: 0000899140-23-001054 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20230930 FILED AS OF DATE: 20231113 DATE AS OF CHANGE: 20231113 EFFECTIVENESS DATE: 20231113 FILER: COMPANY DATA: COMPANY CONFORMED NAME: ACK Asset Management LLC CENTRAL INDEX KEY: 0001510940 IRS NUMBER: 203467522 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-14060 FILM NUMBER: 231396921 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 09-30-2023 09-30-2023 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 11-08-2023 0 21 688243 INFORMATION TABLE 2 informationtable.xml ALNT COM 019330109 24965 807400 SH SOLE 807400 0 0 ARRY COM 04271T100 18862 850000 SH SOLE 850000 0 0 ATKR COM 047649108 53708 360000 SH SOLE 360000 0 0 ATRO COM 046433108 23869 1505000 SH SOLE 1505000 0 0 ATS COM 00217Y104 52054 1221341 SH SOLE 1221341 0 0 CNM COM 21874C102 37649 1305000 SH SOLE 1305000 0 0 EME COM 29084Q100 48390 230000 SH SOLE 230000 0 0 ENS COM 29275Y102 54199 572500 SH SOLE 572500 0 0 ERII COM 29270J100 18610 877400 SH SOLE 877400 0 0 HLIO COM 42328H109 29682 535000 SH SOLE 535000 0 0 LUNA COM 550351100 10805 1843859 SH SOLE 1843859 0 0 MDA-TC COM 55292X108 20498 2419200 SH SOLE 2419200 0 0 MTRN COM 576690101 48968 480500 SH SOLE 480500 0 0 MTZ COM 576323109 36345 505000 SH SOLE 505000 0 0 NEOG COM 640491106 37080 2000000 SH SOLE 2000000 0 0 ROG COM 775133101 48644 370000 SH SOLE 370000 0 0 SMRT COM 83193G107 15412 5905000 SH SOLE 5905000 0 0 THRY COM 886029206 16903 900509 SH SOLE 900509 0 0 TITN COM 88830R101 17543 660000 SH SOLE 660000 0 0 VMI COM 920253101 26423 110000 SH SOLE 110000 0 0 ZWS COM 98983L108 47634 1700000 SH SOLE 1700000 0 0