ACK Asset Management LLC

Q3 2025 13F Holdings

  • Location
    greenwich, CT
  • Num holdings

    20

  • Value ($000)

    $799,134

  • Date Filed
    11/14/2025
  • Form type
    13F-HR
  • CIK
    0001510940
  • All SEC filings
  • Note
    Holdings aggregated across “other managers” listed in original SEC filing, see here for detailed holdings broken out by other managers
Compare Q3 2025 to
Select Quarter
Issuer Name
Class
CUSIP
VALUE
%
Shares
Principal
Option Type
E
ENS

ENS

COM
$66.01M
8 %

584,324

M
MTRN

MTRN

COM
$63.40M
8 %

524,800

---

GVA

COM
$59.76M
8 %

545,000

A
ATRO

ATRO

COM
$56.10M
7 %

1,230,000

W
WMS

WMS

COM
$54.09M
7 %

390,000

J
JBT

JBTM

COM
$49.23M
6 %

350,546

C
CNM

CNM

COM
$48.45M
6 %

900,000

A
ATS

ATS

COM
$48.37M
6 %

1,846,196

A
AIN

AIN

COM
$40.51M
5 %

760,000

---

JHX

COM
$40.34M
5 %

2,100,000

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