Companies / Core & Main, Inc.
Core & Main, Inc.
Financials · FY2023
Ownership
193.5M shares outstanding · as of Jun 5, 2026
Ownership
Share classes
| Class A | 96.73% | |
| Class B | 3.27% |
| Insiders | 0.13% | 256,532 |
| Institutions | 105.75% | 204,637,809 |
| Public float | 0.00% | 0 |
Reported holdings exceed shares outstanding — public float shown as 0; some positions may overlap or lag.
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 11
View all →| Insider | % of shares | Shares |
|---|---|---|
LeClair Stephen OExecutive Chair · Director | 0.03% | 66,136 |
Witkowski Mark RCEOChief Executive Officer · Director | 0.03% | 51,119 |
Cowles Bradford APresident | 0.01% | 25,491 |
Huebert Michael G.President | 0.01% | 25,337 |
Stephens John WeldonChief Accounting Officer | <0.01% | 17,374 |
Mazzarella Kathleen MDirector | <0.01% | 16,757 |
Harper Carla DSenior VP, Human Resources | <0.01% | 13,874 |
Bradbury Robyn LChief Financial Officer | <0.01% | 12,500 |
Hope James DDirector | <0.01% | 9,738 |
Giles Jeffrey DEVP, Corporate Development | <0.01% | 9,681 |
Institutional holders 453
View all →| Holder | Value | % of shares |
|---|---|---|
| $914.58M | 9.09% | |
| $885.76M | 9.49% | |
| $758.08M | 7.54% | |
| $404.24M | 4.02% | |
| $386.78M | 3.85% | |
| $330.25M | 3.28% | |
| $327.03M | 3.25% | |
| $302.86M | 3.17% | |
| $295.64M | 2.94% | |
| $285.06M | 3.05% |
Activity
InsidersInstitutions
What insiders are doing in this stock (Form 4).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Mar 10, 2026 | LeClair Stephen O Executive | Other | Class A Common Stock | $152.1K | -3K -4.45% | 66,136 0.03% of shares | low |
| Apr 7, 2026 | Hope James D Director | Buy | Class A Common Stock | $100.0K | +2K +39.70% | 6,939 <0.01% of shares | medium |
| Mar 11, 2026 | Witkowski Mark R CEO | Other | Class A Common Stock | $82.8K | -2K -4.89% | 32,747 0.02% of shares | low |
| Mar 9, 2026 | LeClair Stephen O Executive | Other | Class A Common Stock | $75.9K | -2K -2.15% | 69,217 0.04% of shares | low |
| Mar 10, 2026 | Witkowski Mark R CEO | Other | Class A Common Stock | $46.3K | -937 -2.65% | 34,432 0.02% of shares | low |
| Mar 10, 2026 | Cowles Bradford A Executive | Other | Class A Common Stock | $36.6K | -741 -3.75% | 19,012 <0.01% of shares | low |
| Mar 11, 2026 | Cowles Bradford A Executive | Other | Class A Common Stock | $29.8K | -607 -3.19% | 18,405 <0.01% of shares | low |
| Mar 10, 2026 | Whittenburg Mark G Executive | Other | Class A Common Stock | $27.5K | -557 -5.92% | 8,856 <0.01% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Vanguard Group Inc | Passive13G/A | — |
| Select Equity Group, L.P. | Passive13G/A | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| CNM | — | 21874C102 |