ACK Asset Management LLC Q3 2025 Filing

Filed November 14, 2025

Portfolio Value

$799.1B

Holdings

20

Report Date

Q3 2025

Filing Type

13F-HR

All Holdings (20 positions)

#StockSharesValue% PortfolioType
1
ENSENS
584,324$66.0B8.26%
2
MTRNMTRN
524,800$63.4B7.93%
3
GVAGVA
545,000$59.8B7.48%
4
ATROATRO
1,230,000$56.1B7.02%
5
WMSWMS
390,000$54.1B6.77%
6
JBTJBTM
350,546$49.2B6.16%
7
CNMCNM
900,000$48.4B6.06%
8
ATSATS
1,846,196$48.4B6.05%
9
AINAIN
760,000$40.5B5.07%
10
JHXJHX
2,100,000$40.3B5.05%
11
HLIOHLIO
770,000$40.1B5.02%
12
SITESITE
280,000$36.1B4.51%
13
ASTEASTE
701,500$33.8B4.22%
14
APOGAPOG
708,000$30.8B3.86%
15
MBCMBC
2,300,000$30.3B3.79%
16
CTRICTRI
1,375,000$29.1B3.64%
17
CLFDCLFD
625,200$21.5B2.69%
18
EXPEXP
90,000$21.0B2.62%
19
NPKINPKI
1,576,808$17.8B2.23%
20
CTOSCTOS
1,925,000$12.4B1.55%