Core & Main, Inc. CNM
We take great care to ensure that the data presented and summarized in this overview for Core & Main, Inc. is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding CNM
View all-
Black Rock Inc. New York, NY22MShares$1.04 Billion0.02% of portfolio
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Vanguard Group Inc Valley Forge, PA17.7MShares$835 Million0.01% of portfolio
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Morgan Stanley New York, NY13.5MShares$635 Million0.05% of portfolio
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Select Equity Group, L.P. New York, NY9.69MShares$457 Million2.56% of portfolio
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Pictet Asset Management Holding Sa Carouge, V88.33MShares$393 Million0.46% of portfolio
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Capital World Investors Los Angeles, CA5.95MShares$280 Million0.05% of portfolio
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State Street Corp Boston, MA5.68MShares$268 Million0.01% of portfolio
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D1 Capital Partners L.P. New York, NY5.18MShares$244 Million4.31% of portfolio
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Janus Henderson Group PLC London, X05.16MShares$243 Million0.13% of portfolio
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Royal London Asset Management LTD United Kingdom, X05.06MShares$238 Million0.61% of portfolio
Latest Institutional Activity in CNM
Top Purchases
Top Sells
About CNM
Core & Main, Inc. distributes water, wastewater, storm drainage, and fire protection products and related services to municipalities, private water companies, and professional contractors in the municipal, non-residential, and residential end markets in the United States. Its products include pipes, valves, hydrants, fittings, and other products and services; storm drainage products, such as corrugated piping systems, retention basins, inline drains, manholes, grates, geosynthetics, and other related products; fire protection products, including fire protection pipes, sprinkler heads and other devices, fire suppression systems, and related accessories, as well as fabrication services; and meter products, such as smart meter products, installation, software and other services. The company's specialty products and services are used in the maintenance, repair, replacement, and construction of water and fire protection infrastructure. Core & Main, Inc. was founded in 1874 and is headquartered in St. Louis, Missouri.
Insider Transactions at CNM
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Sep 12
2025
|
John Weldon Stephens Chief Accounting Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
12,717
+43.03%
|
$254,340
$20.81 P/Share
|
|
Sep 03
2025
|
Carla D Harper Senior VP, Human Resources |
BUY
Grant, award, or other acquisition
|
Direct |
2,091
+15.09%
|
-
|
|
Aug 18
2025
|
Mark R Witkowski Chief Executive Officer |
SELL
Open market or private sale
|
Direct |
100,000
-73.61%
|
$6,400,000
$64.08 P/Share
|
|
Aug 18
2025
|
Mark R Witkowski Chief Executive Officer |
BUY
Conversion of derivative security
|
Direct |
100,000
+42.4%
|
-
|
|
Jul 22
2025
|
Michael G. Huebert President |
SELL
Payment of exercise price or tax liability
|
Direct |
1,337
-7.88%
|
$86,905
$65.03 P/Share
|
|
Jul 22
2025
|
Robyn L Bradbury Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
5,000
-36.89%
|
$320,000
$64.51 P/Share
|
|
Jul 22
2025
|
Robyn L Bradbury Chief Financial Officer |
BUY
Conversion of derivative security
|
Direct |
5,000
+26.95%
|
-
|
|
Jul 18
2025
|
James G Castellano Director |
SELL
Open market or private sale
|
Indirect |
43,994
-100.0%
|
$2,683,634
$61.98 P/Share
|
|
Jul 18
2025
|
James G Castellano Director |
BUY
Conversion of derivative security
|
Indirect |
34,674
+44.08%
|
-
|
|
Jul 18
2025
|
Orvin T Kimbrough Director |
SELL
Open market or private sale
|
Direct |
23,962
-63.19%
|
$1,461,682
$61.77 P/Share
|
|
Jul 18
2025
|
Orvin T Kimbrough Director |
BUY
Conversion of derivative security
|
Direct |
23,957
+38.72%
|
-
|
|
Jul 18
2025
|
Orvin T Kimbrough Director |
BUY
Other acquisition or disposition
|
Direct |
5
+0.04%
|
-
|
|
Jul 18
2025
|
Orvin T Kimbrough Director |
SELL
Other acquisition or disposition
|
Indirect |
5
-62.5%
|
-
|
|
Jul 17
2025
|
Mark R Witkowski Chief Executive Officer |
SELL
Open market or private sale
|
Direct |
100,000
-48.4%
|
$6,100,000
$61.38 P/Share
|
|
Jul 17
2025
|
Mark R Witkowski Chief Executive Officer |
BUY
Conversion of derivative security
|
Direct |
100,000
+42.4%
|
-
|
|
Jul 07
2025
|
Stephen O Le Clair Executive Chair |
SELL
Open market or private sale
|
Direct |
44,972
-38.87%
|
$2,743,292
$61.91 P/Share
|
|
Jul 07
2025
|
Stephen O Le Clair Executive Chair |
BUY
Exercise of conversion of derivative security
|
Direct |
44,972
+27.99%
|
$899,440
$20.81 P/Share
|
|
Jul 03
2025
|
Stephen O Le Clair Executive Chair |
SELL
Open market or private sale
|
Direct |
80,028
-53.08%
|
$4,961,736
$62.27 P/Share
|
|
Jul 03
2025
|
Stephen O Le Clair Executive Chair |
BUY
Exercise of conversion of derivative security
|
Direct |
80,028
+34.68%
|
$1,600,560
$20.81 P/Share
|
|
Jul 01
2025
|
Robyn L Bradbury Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
25,000
-33.16%
|
$1,500,000
$60.88 P/Share
|
Last 12 Months Summary
| Grant, award, or other acquisition | 65.4K shares |
|---|---|
| Conversion of derivative security | 902K shares |
| Exercise of conversion of derivative security | 249K shares |
| Other acquisition or disposition | 82 shares |
| Bona fide gift | 9.32K shares |
| Payment of exercise price or tax liability | 23K shares |
|---|---|
| Open market or private sale | 1.15M shares |
| Other acquisition or disposition | 82 shares |
| Bona fide gift | 9.32K shares |