Stocks › CNM
Core & Main, Inc.
CNM·NYSE·
United States·USD
United States·USD$42.10
+0.28 (+0.67%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
CNM
Core & Main, Inc. · NYSE
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
CNMS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of CNM by members of U.S. Congress · 21 on record · 8 in the last 12 months
Whale Activity
Position changes in CNM reported for 2026-06-30 by 24 tracked institutional filers
- Increased6
- New2
- Held0
- Decreased2
- Closed0
- No prior filing14
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 18.4M | $885.8M | decreased |
| VANGUARD CAPITAL MANAGEMENT LLC | 8.5M | $411.0M | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 8.3M | $398.1M | increased |
| ROYAL LONDON ASSET MANAGEMENT LTD | 5.5M | $264.8M | — |
| D. E. Shaw & Co., Inc. | 4.6M | $220.9M | increased |
| Point72 Asset Management, L.P. | 3.1M | $148.6M | increased |
| FIDUCIARY MANAGEMENT INC /WI/ | 2.3M | $111.4M | — |
| Liontrust Investment Partners LLP | 1.7M | $81.4M | — |
| RENAISSANCE TECHNOLOGIES LLC | 1.4M | $68.0M | increased |
| SAMLYN CAPITAL, LLC | 1.3M | $61.9M | — |
| Hill City Capital, LP | 1.0M | $49.6M | — |
| CITADEL ADVISORS LLC | 985.7K | $47.6M | increased |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by CNM insiders, by quarter · Form 4
Recent Insider Transactions
502 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Hope James DDirector · Director | Purchase | +2,067 | $46.01 | $95K | Jul 6, 2026 | Form 4 ↗ |
| Castellano James GDirector | Grant / award | +2,799 | $0.00 | $0 | Jun 23, 2026 | Form 4 ↗ |
| NEWMAN MARGARETDirector | Grant / award | +2,799 | $0.00 | $0 | Jun 23, 2026 | Form 4 ↗ |
| Hardwick M SusanDirector | Grant / award | +2,799 | $0.00 | $0 | Jun 23, 2026 | Form 4 ↗ |
| MAZZARELLA KATHLEEN MDirector | Grant / award | +2,799 | $0.00 | $0 | Jun 23, 2026 | Form 4 ↗ |
| Hope James DDirector | Grant / award | +2,799 | $0.00 | $0 | Jun 23, 2026 | Form 4 ↗ |
| Amirthalingam BhavaniDirector | Grant / award | +2,799 | $0.00 | $0 | Jun 23, 2026 | Form 4 ↗ |
| Gipson Dennis GDirector | Grant / award | +2,799 | $0.00 | $0 | Jun 23, 2026 | Form 4 ↗ |
| Kimbrough Orvin TDirector | Grant / award | +2,799 | $0.00 | $0 | Jun 23, 2026 | Form 4 ↗ |
| Buck Robert MDirector | Grant / award | +2,799 | $0.00 | $0 | Jun 23, 2026 | Form 4 ↗ |
| Harper Carla DSenior VP, Human Resources | Tax withholding | −568 | $47.25 | $27K | Jun 22, 2026 | Form 4 ↗ |
| Bradbury Robyn LChief Financial Officer | Sale | −3,353 | $52.84 | $177K | Apr 17, 2026 | Form 4 ↗ |
| Bradbury Robyn LChief Financial Officer | Sale | −1,647 | $51.94 | $86K | Apr 17, 2026 | Form 4 ↗ |
| Bradbury Robyn LChief Financial Officer | Conversion | +5,000 | $0.00 | $0 | Apr 17, 2026 | Form 4 ↗ |
| Hope James DDirector | Purchase | +1,972 | $50.70 | $100K | Apr 7, 2026 | Form 4 ↗ |
| Hardwick M SusanDirector | Grant / award | +580 | $0.00 | $0 | Apr 1, 2026 | Form 4 ↗ |
| Giles Jeffrey DEVP, Corporate Development | Grant / award | +3,021 | $0.00 | $0 | Mar 12, 2026 | Form 4 ↗ |
| Bradbury Robyn LChief Financial Officer | Grant / award | +4,824 | $0.00 | $0 | Mar 12, 2026 | Form 4 ↗ |
| Witkowski Mark RChief Executive Officer · Director | Grant / award | +18.4K | $0.00 | $0 | Mar 12, 2026 | Form 4 ↗ |
| Cowles Bradford APresident | Grant / award | +7,086 | $0.00 | $0 | Mar 12, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding CNM · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF iShares Trust | 6.4M | $310.7M | 0.25% | Jun 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 6.0M | $288.5M | 0.01% | Jun 30, 2026 |
| First Trust RBA American Industrial Renaissance ETF First Trust Exchange-Traded Fund VI | 4.9M | $237.2M | 2.06% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 4.3M | $208.2M | 0.11% | Jun 30, 2026 |
| SMALLCAP World Fund Inc | 4.1M | $199.3M | 0.21% | Jun 30, 2026 |
| VANGUARD SMALL-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS | 2.5M | $120.0M | 0.26% | Jun 30, 2026 |
| Capital World Growth & Income Fund | 2.3M | $112.9M | 0.07% | May 31, 2026 |
| Fidelity Low-Priced Stock Fund Fidelity Puritan Trust | 2.4M | $107.0M | 0.43% | Jul 31, 2026 |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 2.2M | $104.1M | 0.11% | Jun 30, 2026 |
| Janus Henderson Contrarian Fund Janus Investment Fund | 1.7M | $82.2M | 1.50% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list CNM's shares (CUSIP 21874C102), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- Capital World InvestorsSCHEDULE 13G · passive (13G) · 11.6M shares6.2%
May 14, 2026 · ↗ - Morgan Stanley Investment Management Inc.SCHEDULE 13G/A · passive (13G) · 3.3M shares1.8%
May 11, 2026 · ↗ - Morgan StanleySCHEDULE 13G/A · passive (13G) · 5.1M shares2.7%
May 11, 2026 · ↗ - Morgan Stanley Investment Management Inc.SCHEDULE 13G/A · passive (13G) · 10.5M shares5.5%
Nov 7, 2025 · ↗ - Morgan StanleySCHEDULE 13G/A · passive (13G) · 12.5M shares6.5%
Nov 7, 2025 · ↗ - Morgan StanleySCHEDULE 13G · passive (13G) · 9.9M shares5.2%
May 5, 2025 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming Core & Main, Inc. as client
No lobbying filings found naming Core & Main, Inc. as the client.
Government Contracts
Federal awards to Core & Main, Inc. · USAspending
No federal contract awards found for Core & Main, Inc..
U.S. Patents
Recent USPTO applications naming Core & Main, Inc.
No USPTO patent applications found for Core & Main, Inc..
Annual Financials
From CNM's 10-K filings · XBRL
No annual XBRL figures on record for CNM. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
No stock splits in CNM's price history.
Material Events (8-K)
Corporate events filed with the SEC
- 8-K · Items 2.02, 9.01Results of operationsSep 9, 2026
EDGAR ↗ - 8-K · Items 1.01, 9.01Material agreementJul 2, 2026
EDGAR ↗ - 8-K · Items 8.01, 9.01Other eventsJun 25, 2026
EDGAR ↗ - 8-K · Items 5.07, 9.01Shareholder voteJun 23, 2026
EDGAR ↗ - 8-K · Items 8.01, 9.01Other eventsJun 22, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsJun 10, 2026
EDGAR ↗
About Core & Main, Inc.
From SEC EDGAR company records
Industry (SIC 5099)Wholesale-Durable Goods, NEC
SectorConsumer
HeadquartersST. LOUIS, MO
IncorporatedDE
SEC CIK0001856525 ↗