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
ENS
ENS

ENS

COM
$66.01 M
8 %

584,324

MTRN
MTRN

MTRN

COM
$63.40 M
8 %

524,800

---

GVA

COM
$59.76 M
8 %

545,000

ATRO
ATRO

ATRO

COM
$56.10 M
7 %

1,230,000

WMS
WMS

WMS

COM
$54.09 M
7 %

390,000

JBT
JBT

JBTM

COM
$49.23 M
6 %

350,546

CNM
CNM

CNM

COM
$48.45 M
6 %

900,000

ATS
ATS

ATS

COM
$48.37 M
6 %

1,846,196

AIN
AIN

AIN

COM
$40.51 M
5 %

760,000

---

JHX

COM
$40.34 M
5 %

2,100,000

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