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13F-HR filed by ACK Asset Management LLC

ACK Asset Management LLC filed this 13F-HR for the quarter ended 2021-03-31, filed 2021-05-14, with 23 holding rows worth $251,380,000.

Accession
0001567619-21-010008
Filed
2021-05-14
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q1 2021

A holdings report, 23 entries on the cover page, a total value of $251,380,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $251,380,000 with VALUE read as thousands by filing date, 13F file number 028-14060. The quarter's positions are built on this report. The resolved quarter.

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
ROGERS CORP COM775133101Stock191,000$20,472,000thousands by filing date
TRIUMPH GROUP INC NEW896818101COM1,340,000$19,785,000thousands by filing date
DYCOM INDS INC COM267475101Stock435,225$18,144,000thousands by filing date
ENERSYS COM29275Y102Stock280,000$17,030,000thousands by filing date
ALLIENT INC019330109COM418,700$15,025,000thousands by filing date
GENTHERM INC37253A103COM290,000$14,068,000thousands by filing date
MATERION CORP576690101COM270,000$14,007,000thousands by filing date
THRYV HLDGS INC886029206COM NEW675,000$13,156,000thousands by filing date
ATLAS TECHNICAL CONSULTANTS049430101COM1,500,000$12,270,000thousands by filing date
ATA001940105COM725,000$11,684,000thousands by filing date
BUILDERS FIRSTSOURCE INC COM12008R107Stock771,253$11,421,000thousands by filing date
VALMONT INDS INC COM920253101Stock83,690$11,389,000thousands by filing date
JBT MAREL CORPORATION477839104COM80,000$8,665,000thousands by filing date
LYDALL INC550819106COMMON STOCK550,000$8,621,000thousands by filing date
MASONITE INTERNATIONAL CORP575385109COMMON STOCK-FO90,000$8,130,000thousands by filing date
LUNA INNOVATIONS INC550351100COM1,212,400$7,991,000thousands by filing date
NVE CORP COM NEW629445206Stock119,000$7,613,000thousands by filing date
TITAN MACHY INC88830R101COM520,000$7,480,000thousands by filing date
U S SILICA HLDGS INC90346E103COM1,825,000$7,476,000thousands by filing date
MASTERCRAFT BOAT HOLDINGS IN57637H103COMMON STOCK435,965$6,387,000thousands by filing date
GENESIS PK ACQUISITION CORPG38245109SHS CL A450,200$4,774,000thousands by filing date
AGILYSYS INC00847J105COM175,000$3,775,000thousands by filing date
TRANSCAT INC893529107COM125,000$2,017,000thousands by filing date

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001567619-21-010008this filing2021-05-14acceptance time not in the bulk data set