Mark R. Witkowski owns 0.35% of Core & Main
667,369 shares as of the March 12, 2026 filing, worth $28M at the latest close.
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Free.
The stake
0.35%
worth $28M at the latest close
Stake rank
#1,024
by dollar value of the stake
Last sale
427 days ago
Aug 18, 2025
Last buy
None
no purchases since 2023
Mark R. Witkowski owns 0.35% of Core & Main, Inc.: 667,369 of 190,494,050 shares, worth about $28M at the 2026-10-16 close. The stake has moved from 0.42% in 2021 to 0.35% on 2026-08-02, across 8 sales and 0 purchases that moved it since 2016. The last trade that moved it was a planned sale of $6.4M on 2025-08-18.
How the stake is held
each class as its filings last stated it