Core & Main, Inc. (CNM) ownership: Top institutional holder: BlackRock, Inc. ($948.78M). Insider activity: Net Seller (0 buys, 20 sells). 8 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 19206024.00 | $948.78M | 2026-03-31 |
| VANGUARD GROUP INC | 17598217.00 | $914.58M | 2025-12-31 |
| Capital World Investors | 11571392.00 | $571.63M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 8465825.00 | $418.21M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7819539.00 | $386.29M | 2026-03-31 |
| Select Equity Group, L.P. | 7254207.00 | $358.36M | 2026-03-31 |
| Pictet Asset Management Holding SA | 6514667.00 | $321.78M | 2026-03-31 |
| FIRST TRUST ADVISORS LP | 6130840.00 | $302.86M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-04-17 | |
| Sell | null | 2026-04-17 | |
| Sell | null | 2026-04-17 | |
| Sell | null | 2026-04-17 | |
| Sell | null | 2026-04-17 | |
| Sell | null | 2026-04-17 | |
| Sell | null | 2026-04-07 | |
| Sell | null | 2026-04-01 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.