CNM

Core & Main Inc-Class A$45.78 2.51%
IndustrialsUSCUSIP 21874C102· EOD Jul 16, 2026◍ Confluence graph
Tracked 13F Holders
341
+27 QoQ
13F Value (tracked)
$7.8B
Insider Net · 180d
-$68K
1↑ 1↓
Recent Filings
15
Smart-money sentimentBearish
BearishBullish
13F funds (latest Q)33 adding · 27 trimming
Insider net (180d)-$68K

Price & smart-money activity

$45.78 2.51%5Y +128.9%
$15.34$29.10$42.87$56.63$70.392021202220232024202520262724124391231433103516392543826355327712675864899688285474984758429639375858810983112106101279
Hover for who · click for detailEnd-of-day closing prices52w $44.29 – $66.98
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Ask your agent what changed in CNM

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/CNM/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for CNM.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

Top institutional holders

341 tracked 13F filers
1 source-reported value row is withheld because the reported units do not agree with same-security peers. Share counts remain visible and unchanged.
#FundPosition valueSharesLast moveAs ofHistory
1BlackRock, Inc.
$948.8M
19.2M
+1.5%
Added · +278K sh
Q1 2026
2VANGUARD CAPITAL MANAGEMENT LLC
$418.2M
8.5M
New
+8.5M sh
Q1 2026
3VANGUARD PORTFOLIO MANAGEMENT LLC
$386.3M
7.8M
New
+7.8M sh
Q1 2026
4Pictet Asset Management Holding SA
$321.8M
6.5M
−12%
Reduced · −927K sh
Q1 2026
5FIRST TRUST ADVISORS LP
$302.9M
6.1M
+15%
Added · +813K sh
Q1 2026
6STATE STREET CORP
$285.5M
5.8M
+0.8%
Added · +46K sh
Q1 2026
7ROYAL LONDON ASSET MANAGEMENT LTD
$284.2M
5.8M
+1.1%
Added · +64K sh
Q1 2026
8MORGAN STANLEY
$268.5M
5.4M
−63%
Reduced · −9.2M sh
Q1 2026
9FMR LLC
$266.9M
5.4M
−15%
Reduced · −951K sh
Q1 2026
10D. E. Shaw & Co., Inc.
$189.9M
3.8M
+55%
Added · +1.4M sh
Q1 2026
11GEODE CAPITAL MANAGEMENT, LLC
$185.3M
3.8M
+2.9%
Added · +106K sh
Q1 2026
12JANUS HENDERSON GROUP PLC
$166.9M
3.4M
−27%
Reduced · −1.2M sh
Q1 2026
13Amundi
$150.7M
3.1M
−0.4%
Reduced · −12K sh
Q1 2026
14Impax Asset Management Group plc
$140.9M
2.9M
−0.7%
Reduced · −21K sh
Q1 2026
15Point72 Asset Management, L.P.
$140.4M
2.8M
+309%
Added · +2.1M sh
Q1 2026
16DIMENSIONAL FUND ADVISORS LP
$131.4M
2.7M
+6.1%
Added · +152K sh
Q1 2026
17FIDUCIARY MANAGEMENT INC /WI/
$122.6M
2.5M
−5.0%
Reduced · −130K sh
Q1 2026
18SPRUCE HOUSE INVESTMENT MANAGEMENT LLC
$106.2M
2.1M
Held
Q1 2026
19NORGES BANK
$108.3M
2.1M
+8.1%
Added · +156K sh
Q4 2025
20Findlay Park Partners LLP
$98.6M
2.0M
New
+2.0M sh
Q1 2026
21CHARLES SCHWAB INVESTMENT MANAGEMENT INC
$96.5M
2.0M
+5.0%
Added · +93K sh
Q1 2026
22Forest Avenue Capital Management LP
$89.3M
1.8M
−3.8%
Reduced · −72K sh
Q1 2026
23SAMLYN CAPITAL, LLC
$87.5M
1.8M
−38%
Reduced · −1.1M sh
Q1 2026
24JPMORGAN CHASE & CO
$84.1M
1.8M
−5.6%
Reduced · −104K sh
Q1 2026
25ALLIANCEBERNSTEIN L.P.
$88.2M
1.7M
−5.3%
Reduced · −94K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Fund activity: latest quarter

Opened (NEW)
6
funds
Added
27
funds
Reduced
27
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$195K
1 insiders
Sells · 180d
$263K
1 insiders
Net
-$68K
4 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Jul 6, 2026Hope James DDirectorBuy (P)2K$95K
Jun 23, 2026NEWMAN MARGARETDirectorGrant (A)3K$0
Jun 23, 2026Hardwick M SusanDirectorGrant (A)3K$0
Jun 23, 2026Gipson Dennis GDirectorGrant (A)3K$0
Jun 23, 2026Buck Robert MDirectorGrant (A)3K$0
Jun 23, 2026MAZZARELLA KATHLEEN MDirectorGrant (A)3K$0
Jun 23, 2026Hope James DDirectorGrant (A)3K$0
Jun 23, 2026Kimbrough Orvin TDirectorGrant (A)3K$0
Jun 23, 2026Amirthalingam BhavaniDirectorGrant (A)3K$0
Jun 23, 2026Castellano James GDirectorGrant (A)3K$0
Jun 22, 2026Harper Carla DSenior VP, Human ResourcesTax withholding (F)568$27K
Apr 17, 2026Bradbury Robyn LChief Financial OfficerConversion (C)5K$0

Institutional ownership over time

344 funds+79 since Q3 2024
0172344Q3 2024Q1 2025Q3 2025Q1 2026
funds holding aggregate valuelatest $7.7B · 1 values withheld

Funds that own CNM also own

CompanyCo-held byCombined value
MICROSOFT CORPMSFT160 funds$65.8B
NVIDIA CORPNVDA159 funds$95.5B
AMAZON.COM INCAMZN159 funds$50.8B
BROADCOM INCAVGO156 funds$33.7B
ELI LILLY & COLLY154 funds$16.8B
ALPHABET INC-CL AGOOGL153 funds$43.0B
META PLATFORMS INC-CLASS AMETA152 funds$29.4B
APPLE INCAAPL151 funds$73.9B
JPMORGAN CHASE & COJPM151 funds$21.1B
VISA INC-CLASS A SHARESV151 funds$14.6B
MASTERCARD INC - AMA149 funds$12.2B
BANK OF AMERICA CORPBAC148 funds$6.8B

Ranked by how many of CNM's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

15 shown

Browse more

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for CNM. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.