13F Filings History of ACK Asset Management LLC

Latest 13F report
Q3 2025 - 14 Nov 2025
Value $
$799,134,177
Signature - Title
Andres Aquirre - CCO
Location
Greenwich, CT
Summary
This page shows a list of all the recent 13F filings made by ACK Asset Management LLC. Form 13F is required to be filed within 45 days of the end of a calendar quarter. ACK Asset Management LLC reported 20 stock holdings with total value $799,134,177 as of Q3 2025. Top holdings included ENS, MTRN, GVA, ATRO, and WMS.

Notify me when ACK Asset Management LLC files a new 13F portfolio report.

⭐ Subscribe ⭐
Holdings Value
Quarter Holdings Value $ Bought Sold Net Top Holdings Form Type Filing Time
Q3 2025 20 $799,134,177 +$268,515,955 -$297,146,954 -$28,630,999 ENS, MTRN, GVA, ATRO, WMS 13F-HR 14 Nov 2025, 16:52
Q2 2025 21 $761,426,347 +$231,156,429 -$222,004,924 +$9,151,505 ATRO, ATS, DY, GVA, ENS 13F-HR 13 Aug 2025, 09:16
Q1 2025 20 $608,959,301 +$55,614,356 -$114,905,237 -$59,290,881 DY, ENS, MTZ, ATS, ATRO 13F-HR 13 May 2025, 09:17
Q4 2024 22 $746,424,192 +$169,325,085 -$222,751,228 -$53,426,143 DY, MTZ, ATS, ENS, ROG 13F-HR 13 Feb 2025, 09:58
Q3 2024 18 $809,196,810 +$92,150,436 -$126,023,967 -$33,873,531 DY, MTZ, ENS, ROG, ATS 13F-HR 13 Nov 2024, 12:01
Q2 2024 19 $810,285,950 +$213,683,850 -$259,422,164 -$45,738,314 DY, MTZ, ENS, ROG, CNM 13F-HR 13 Aug 2024, 11:33
Q1 2024 20 $858,303,468 +$55,865,790 -$74,645,620 -$18,779,830 CNM, DY, ATKR, MTZ, ENS 13F-HR 14 May 2024, 10:05
Q4 2023 21 $831,322,503 +$180,762,292 -$88,731,074 +$92,031,218 MTRN, DY, MTZ, ENS, ATKR 13F-HR 13 Feb 2024, 12:06
Q3 2023 24 $688,243,000 +$41,829,582 -$57,539,182 -$15,709,600 ENS, ATKR, ATS, MTRN, ROG 13F-HR 13 Nov 2023, 12:13
Q2 2023 25 $802,904,000 +$112,599,618 -$51,638,006 +$60,961,612 ENS, MTZ, ROG, ATS, ATKR Restatement 14 Aug 2023, 21:06
Q1 2023 23 $655,113,000 +$100,181,595 -$12,461,382 +$87,720,213 ROG, MTRN, ENS, EME, DY 13F-HR 12 May 2023, 11:43
Q4 2022 25 $544,615,000 +$203,794,872 -$29,693,088 +$174,101,784 MTRN, EME, ROG, ENS, DY 13F-HR 14 Feb 2023, 13:06
Q3 2022 23 $377,516,000 +$79,662,691 -$42,156,175 +$37,506,516 EME, MTRN, ENS, ATSAFXXXX, ALNT 13F-HR 14 Nov 2022, 08:30
Q2 2022 21 $357,318,000 +$97,872,322 -$33,757,669 +$64,114,653 MTRN, VMI, EME, ATSAFXXXX, JBT 13F-HR 15 Aug 2022, 12:25
Q1 2022 24 $460,955,000 $0 ENS, MTRN, BLDR, TGI, VMI 13F-HR 13 May 2022, 12:00
Q4 2021 13 $213,825,000 $0 $0 $0 ENS, RMBL, TGI, ATSAFXXXX, MBUU 13F-HR 14 Feb 2022, 10:49
Q3 2021 21 $292,739,000 +$63,131,276 -$26,549,473 +$36,581,803 ENS, TGI, RMBL, MTRN, THRM 13F-HR 12 Nov 2021, 12:38
Q2 2021 18 $187,553,000 $0 $0 $0 TGI, MTRN, THRM, ATSAFXXXX, VMI 13F-HR 13 Jul 2021, 12:02
Q1 2021 9 $100,084,000 $0 $0 $0 TGI, MTRN, THRY, ATCX, ATSAFXXXX 13F-HR 14 May 2021, 12:00
Q4 2020 9 $42,477,000 $0 ATSAFXXXX, JBT, DOOR, BBCP, ACAM 13F-HR 12 Feb 2021, 13:59
Q3 2020 14 $144,528,000 $0 DY, ROG, ENS, ALNT, BBCP 13F-HR 13 Nov 2020, 11:40
Q2 2020 13 $156,682,000 $0 DY, ROG, ENS, PWR, ALNT 13F-HR 13 Aug 2020, 14:40
Q1 2020 9 $57,336,000 $0 PWR, BMCH, LUNA, KW, RP 13F-HR 14 May 2020, 14:21
Q4 2019 17 $259,647,000 +$259,647,022 +$259,647,022 DY, ENS, ATSG, PWR, BBCP 13F-HR 12 Feb 2020, 15:12
Q3 2019 18 $280,697,000 +$128,027,104 -$7,425,697 +$120,601,407 ENS, ATSG, PWR, BBCP, DY Restatement 13 Nov 2019, 11:33
Q2 2019 20 $269,809,000 +$163,264,702 -$13,071,498 +$150,193,204 BBCP, ENS, USCR, BMCH, BLD 13F-HR 14 Aug 2019, 11:26
Q1 2019 24 $309,211,010 +$134,861,544 -$25,197,675 +$109,663,869 ATRO, ROG, WMS, PWR, SAIC 13F-HR 13 May 2019, 16:09
Q4 2018 28 $292,208,215 +$82,135,030 -$24,733,897 +$57,401,133 ATRO, DY, ATSG, ENS, WMS 13F-HR 12 Feb 2019, 12:29
Q3 2018 26 $363,960,000 +$42,176,419 -$32,039,838 +$10,136,581 ATRO, ENS, WMS, ROG, DY 13F-HR 09 Nov 2018, 14:00
Q2 2018 25 $289,307,000 +$86,069,154 -$36,681,027 +$49,388,127 ATRO, ENS, ROG, PLYA, ATSG 13F-HR 13 Aug 2018, 11:13
Q1 2018 29 $397,649,000 +$101,396,705 -$11,583,408 +$89,813,297 WMS, DY, ATRO, ENS, MCRN 13F-HR 14 May 2018, 14:31
Q4 2017 32 $445,362,000 +$169,336,997 -$59,788,455 +$109,548,542 DY, ATRO, WMS, MCRN, GWR 13F-HR 12 Feb 2018, 14:08
Q3 2017 30 $362,190,000 +$92,367,180 -$47,994,028 +$44,373,152 DY, EXP, ATRO, KW, ROG 13F-HR 13 Nov 2017, 10:00
Q2 2017 33 $443,172,000 +$133,969,950 -$51,415,317 +$82,554,633 DY, ROG, USCR, WMS, KW 13F-HR 14 Aug 2017, 13:21
Q1 2017 24 $285,725,000 +$147,483,765 -$405,040 +$147,078,725 WMS, ROG, GWR, VMI, KW 13F-HR 12 May 2017, 10:22
Q4 2016 30 $339,994,000 +$121,538,069 -$30,648,338 +$90,889,731 DY, MRCY, LDOS, BMCH, WMS 13F-HR 13 Feb 2017, 10:54
Q3 2016 31 $329,908,000 +$89,230,271 -$37,051,091 +$52,179,180 DY, MRCY, WMS, BMCH, ROG 13F-HR 10 Nov 2016, 15:54
Q2 2016 27 $336,452,000 +$110,069,302 -$18,858,836 +$91,210,466 DY, WMS, MRCY, EXP, BMCH 13F-HR 15 Aug 2016, 12:35
Q1 2016 26 $254,148,000 +$125,685,987 -$30,209,344 +$95,476,643 EXP, DY, MRCY, WAGE, WMS 13F-HR 13 May 2016, 17:34
Q4 2015 21 $195,088,000 +$68,532,962 -$30,817,926 +$37,715,036 USCR, MRCY, CSU, DY, WAGE 13F-HR 11 Feb 2016, 14:10
Q3 2015 22 $238,895,000 +$62,526,988 -$50,849,671 +$11,677,317 USCR, BKD, DY, LBYYQ, MRCY 13F-HR 13 Nov 2015, 17:46
Q2 2015 32 $357,749,000 +$119,151,026 -$24,461,358 +$94,689,668 DY, USCR, LBYYQ, CLH, PWR 13F-HR 11 Aug 2015, 16:26
Q1 2015 33 $316,552,021 +$127,538,054 -$10,553,963 +$116,984,091 LBYYQ, WMS, DY, CLH, USCR 13F-HR 14 May 2015, 16:36
Q4 2014 32 $277,314,025 +$59,629,600 -$57,505,446 +$2,124,154 LBYYQ, BKD, DY, WMS, USCR 13F-HR 12 Feb 2015, 15:36
Q3 2014 29 $278,377,000 +$63,856,272 -$11,271,809 +$52,584,463 DY, LBYYQ, BKD, ROG, USCR 13F-HR 14 Nov 2014, 11:57
Q2 2014 31 $332,746,000 +$80,327,783 -$2,456,271 +$77,871,512 ROG, DY, LBYYQ, BKD, USCR 13F-HR 04 Aug 2014, 17:07
Q1 2014 31 $303,678,000 +$100,117,466 -$17,172,359 +$82,945,107 DY, ROG, LBYYQ, BKD, TRIB 13F-HR 09 May 2014, 10:05
Q4 2013 34 $303,177,000 $0 ROG, BKD, LBYYQ, DY, ATRO 13F-HR 11 Feb 2014, 08:56