Latest Period
Q1 2026
Security Snapshot
Core & Main, Inc. - Class A Common Stock (CNM) Institutional Ownership
CUSIP: 21874C102
13F Institutional Holders and Ownership History from Q3 2021 to Q1 2026
Institutions Reporting
466
Shares (Excl. Options)
194,667,664
Price
$49.40
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- Security type / class
- Equity / Class A Common Stock
- Symbol
- CNM on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 194,667,664
- Total 13F value
- $9,616,270,038
- Portfolio coverage rank
- 0.01%
- Share change
- -5,310,762
- Value change
- -$288,245,260
- Number of holders
- 466
- Shares outstanding
- 187,813,000
- SEC-reported price per share
- $49.17
- Insider filing price
- $49.17
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- CNM - Core & Main, Inc. - Class A Common Stock is tracked under CUSIP 21874C102.
- 466 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 437 to 466 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $10,412,885,540 to $9,616,270,038.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 466 institutions filings for Q1 2026.
Security key
21874C102
Latest holder period
Q1 2026
13F holders
466
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
CNM full holder history
Core & Main, Inc. SEC filings
Core & Main, Inc. company facts
Core & Main, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 21874C102:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
CNM
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 10% | +1% | $938,120,375 | +$766,589 | 18,990,291 | +0.08% | BlackRock, Inc. | 31 Mar 2026 |
| Select Equity Group, L.P. | 4.1% | -20% | $440,489,433 | -$108,397,182 | 7,778,376 | -20% | Select Equity Group, L.P. | 31 Dec 2025 |
| MORGAN STANLEY | 2.7% | -54% | $250,504,979 | -$365,507,142 | 5,070,951 | -59% | Morgan Stanley | 31 Mar 2026 |
As of 31 Mar 2026, 466 institutional investors reported holding 194,667,664 shares of Core & Main, Inc. - Class A Common Stock (CNM). This represents 104% of the company’s total 187,813,000 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
69%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 10% | 19,206,024 | +1.5% | 0.02% | $948,777,609 |
| Capital World Investors | 6.2% | 11,571,392 | +84% | 0.08% | $571,626,765 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.5% | 8,465,825 | 0% | 0.01% | $418,211,755 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4.2% | 7,819,539 | 0% | 0.02% | $386,285,227 |
| Select Equity Group, L.P. | 3.9% | 7,254,207 | -6.7% | 1.9% | $358,357,826 |
| Pictet Asset Management Holding SA | 3.5% | 6,514,667 | -12% | 0.34% | $321,778,313 |
| FIRST TRUST ADVISORS LP | 3.3% | 6,130,840 | +15% | 0.22% | $302,863,438 |
| STATE STREET CORP | 3.1% | 5,779,777 | +0.81% | 0.01% | $285,520,984 |
| ROYAL LONDON ASSET MANAGEMENT LTD | 3.1% | 5,752,701 | +1.1% | 0.6% | $284,183,429 |
| MORGAN STANLEY | 2.9% | 5,435,680 | -63% | 0.02% | $268,522,771 |
| FMR LLC | 2.9% | 5,403,379 | -15% | 0.01% | $266,926,946 |
| D. E. Shaw & Co., Inc. | 2% | 3,843,372 | +55% | 0.15% | $189,862,576 |
| GEODE CAPITAL MANAGEMENT, LLC | 2% | 3,751,130 | +2.9% | 0.01% | $185,349,054 |
| JANUS HENDERSON GROUP PLC | 1.8% | 3,377,281 | -27% | 0.08% | $166,867,185 |
| Amundi | 1.6% | 3,050,565 | -0.39% | 0.04% | $150,748,468 |
| Impax Asset Management Group plc | 1.5% | 2,851,367 | -0.74% | 0.98% | $140,857,530 |
| Point72 Asset Management, L.P. | 1.5% | 2,841,248 | +309% | 0.24% | $140,357,651 |
| KBC Group NV | 1.5% | 2,737,992 | +4.5% | 0.34% | $135,257,000 |
| BESSEMER GROUP INC | 1.4% | 2,663,161 | +2.8% | 0.21% | $131,561,000 |
| DIMENSIONAL FUND ADVISORS LP | 1.4% | 2,661,022 | +6.1% | 0.03% | $131,425,130 |
| Invesco Ltd. | 1.4% | 2,645,256 | -9.3% | 0.02% | $130,675,648 |
| FIDUCIARY MANAGEMENT INC /WI/ | 1.3% | 2,482,510 | -5% | 1.5% | $122,635,994 |
| Camrose Capital Investment Partners LLP | 1.2% | 2,267,608 | +31% | 15% | $112,019,835 |
| SPRUCE HOUSE INVESTMENT MANAGEMENT LLC | 1.1% | 2,150,000 | 0% | 3.8% | $106,210,000 |
| Findlay Park Partners LLP | 1.1% | 1,996,728 | 1.4% | $98,638,363 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
19
Latest
Q1 2026
Rows shown
1-19 of 19
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 194,667,664 | $9,616,270,038 | -$288,245,260 | $49.40 | 466 |
| 2025 Q4 | 200,299,717 | $10,412,885,540 | -$538,817,954 | $51.97 | 437 |
| 2025 Q3 | 210,269,421 | $11,316,032,155 | +$160,358,338 | $53.83 | 423 |
| 2025 Q2 | 206,593,764 | $12,451,777,024 | +$16,448,311 | $60.35 | 440 |
| 2025 Q1 | 206,390,826 | $9,970,106,869 | +$277,240,890 | $48.31 | 414 |
| 2024 Q4 | 200,333,779 | $10,199,303,695 | -$44,316,455 | $50.91 | 411 |
| 2024 Q3 | 200,141,178 | $8,883,403,777 | +$49,910,370 | $44.40 | 384 |
| 2024 Q2 | 199,179,245 | $9,747,046,100 | -$33,313,850 | $48.94 | 415 |
| 2024 Q1 | 198,927,102 | $11,385,192,475 | +$307,264,581 | $57.25 | 425 |
| 2023 Q4 | 209,499,753 | $8,465,834,615 | -$470,507,405 | $40.41 | 360 |
| 2023 Q3 | 222,065,159 | $6,408,350,454 | -$91,228,352 | $28.85 | 261 |
| 2023 Q2 | 224,130,631 | $7,023,915,738 | -$641,868,605 | $31.34 | 220 |
| 2023 Q1 | 245,214,520 | $5,664,008,330 | +$44,987,697 | $23.10 | 176 |
| 2022 Q4 | 243,601,230 | $4,705,019,420 | +$160,071,505 | $19.31 | 162 |
| 2022 Q3 | 237,274,411 | $5,396,150,930 | -$12,519,080 | $22.74 | 166 |
| 2022 Q2 | 237,855,860 | $5,304,172,633 | +$3,775,394 | $22.30 | 133 |
| 2022 Q1 | 237,438,833 | $5,743,687,734 | +$108,546,525 | $24.19 | 136 |
| 2021 Q4 | 232,652,432 | $7,058,397,620 | +$44,279,207 | $30.34 | 116 |
| 2021 Q3 | 231,793,757 | $6,075,305,689 | +$5,967,781,689 | $26.21 | 86 |