$CNM

$42.35 -$0.03 (0.07%) Close

$CNM Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 186.6M shares outstanding

Who owns CNM?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 45.3%

BlackRock, Inc. 9.8% · Capital World Investors 6.2%

Institutional ownership

100.0%

0 pts vs last qtr

Institutional holders

450

-24 vs last qtr

Net shares bought

+4.4M

by institutions in Q2 2026

New / sold out

62 / 86

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

FMR LLC +3.6M
Jupiter Topco LLC NEW +3.4M

Biggest sellers in Q2 2026

Janus Henderson Group PLC SOLD OUT −3.4M
Pictet Asset Management Holding SA −1.6M

Who is planning to sell?

Notices of proposed sale, last 12 months

$54.3M

9 notices from 5 people

Shares covered

1.0M

0.56% of the company

Arranged in advance

41%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

LeClair Stephen O Former director $23.8M
Stephen O. LeClair Former director 10b5-1 $20.3M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2022–FY2026

−19.1%

−5.15% a year

Each share's claim on the business

+23.5%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$1.68B vs $77M

over 5 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years56% 1–3 years31% Under 1 year13%

Quarterly turnover

15.0%

of institutional shares changed hands

Top 10 managers, median time held

4.8 years

Super Investors

Investment managers reporting CNM on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	18.4M	9.84%	−848.3K (−4.4%)	2021	0.0%
Shares held by quarter Peak holding22.3M (Q4'24) Change over 8 quarters−2.4M Share of the company9.840% BlackRock, Inc.'s full portfolio →
CW Capital World Investors	11.5M	6.15%	−98.3K (−0.8%)	2025	0.1%
Shares held by quarter Peak holding11.6M (Q1'26) Change over 8 quarters+11.5M Share of the company6.150% Capital World Investors's full portfolio →

BlackRock, Inc.

18.4M

% of company

9.84%

Change vs last qtr

−848.3K (−4.4%)

Held since

2021

Capital World Investors

11.5M

% of company

6.15%

Change vs last qtr

−98.3K (−0.8%)

Held since

2025

28 more super investors behind a free account

See every manager holding Core & Main Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting CNM on Form N-PORT; together they hold 43.3% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Mid-Cap ETF iShares Trust	$311M	6.4M	3.45%	0.25%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$288M	6.0M	3.20%	0.01%	June 30, 2026

iShares Core S&P Mid-Cap ETF

iShares Trust

Position value

$311M

% of company

3.45%

% of the fund

0.25%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$288M

% of company

3.20%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Core & Main Inc and how much of the fund the position is.

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