Skip to main content

ACK Asset Management LLC

SEC CIK
0001510940
Latest filing
Aug 13, 2026

CNM holding history

Core & Main, Inc. in every 13F filed by ACK Asset Management LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

CNM overviewAll 13F holders of CNMFull Q2 2026 holdings

Shares (Q2 2026)
1,090,000
Value
$52.6M
% of portfolio
6.1%
Quarters held
10
Since Q1 2023
Holdings of CNM by ACK Asset Management LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20261,090,000$52.6M6.1%+190,000+21.1%AddedHolders
Q1 2026900,000$44.5M5.5%00.0%UnchangedHolders
Q4 2025900,000$46.8M5.9%00.0%UnchangedHolders
Q3 2025900,000$48.4M6.1%+900,000NewHolders
Q3 20240$00.0%−1,352,000−100.0%Sold outHolders
Q2 20241,352,000$66.2M8.2%00.0%UnchangedHolders
Q1 20241,352,000$77.4M9.0%00.0%UnchangedHolders
Q4 20231,352,000$54.6M6.6%+47,000+3.6%AddedHolders
Q3 20231,305,000$37.6M5.5%+150,000+13.0%AddedHolders
Q2 20231,155,000$36.2M4.5%+330,000+40.0%AddedHolders
Q1 2023825,000$19.1M2.9%+825,000NewHolders