Core & Main

CNM • NYSE

Core & Main is a industrial - distribution company in the industrials sector on NYSE, led by Mark R. Witkowski, with a market cap of $10.9B. As of Q3 2025, 109% of shares are held by 411 institutional investors, with BlackRock, Inc. as the largest holder at 9.98%.

CEOMark R. Witkowski

Market Cap$10.9B

Industrial - Distribution

Industrials

Employees5.0K

Websitecoreandmain.com

Country

United States of America

Overview

Overview of institutional ownership in CNM as of Q3 2025 with a market cap of $10.3B

All Institutions

Institutions: 411
Value Held: $11.1B
Shares Held: 207.2M
Avg Position: $27.1M
Median Position: $1.4M

Hedge Funds

Hedge Funds: 59
Value Held: $2.3B
Shares Held: 43.4M
Avg Position: $39.6M
Median Position: $14.0M

Ownership Breakdown

Institutional (non-HF)

85.83%

$8.8B

Hedge Funds

22.77%

$2.3B

Retail & Other

Based on market cap of $10.3B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in CNM as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
BlackRock, Inc. Institution	Laurence D. Fink CEO	$1.0B 0.02% of portfolio	9.98% 19.0M shares	Q3 2021 Held for 4y 3m	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$953.1M 0.01% of portfolio	9.28% 17.7M shares	Q3 2021 Held for 4y 3m	$6.69T
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$725.0M 0.04% of portfolio	7.06% 13.5M shares	Q3 2021 Held for 4y 3m	$1.65T
Select Equity Group, L.P. Hedge Fund•Multi-Strategy	George Stabler Loening Chairman	$521.7M 2.14% of portfolio	5.08% 9.7M shares	Q3 2021 Held for 4y 3m	$24.4B
Pictet Asset Management Holding SA Long Only Manager	Elizabeth Retta Dillon CEO	$448.3M 0.43% of portfolio	4.37% 8.3M shares	Q3 2023 Held for 2y 3m	$103.68B
FMR LLC Institution	-	$334.9M 0.02% of portfolio	3.26% 6.2M shares	Q1 2022 Held for 3y 9m	$1.92T
C Capital World Investors Institution	-	$320.2M 0.04% of portfolio	3.12% 5.9M shares	Q2 2025 Held for 6 months	$730.00B
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$305.7M 0.01% of portfolio	2.98% 5.7M shares	Q3 2021 Held for 4y 3m	$2.88T
D D1 Capital Partners L.P. Hedge Fund•Long/Short	Jeremy Louis Katz President	$278.7M 3.07% of portfolio	2.71% 5.2M shares	Q1 2025 Held for 9 months	$9.1B
HENDERSON GROUP PLC Institution	Ali Dibadj CEO	$277.7M 0.13% of portfolio	2.70% 5.2M shares	Q3 2021 Held for 4y 3m	$218.74B

Net Capital Flow

Institutional buying and selling activity for CNM in Q3 2025

Traded: +$209.6M
Buyers: 201
Sellers: 233
Total Bought: +$1.3B
Total Sold: −$1.1B
Avg Position: $23.0M

Biggest Buyers

Institution	Net Bought	Current Position
C Capital World Investors Institution	+$239.1M +4.4M shares	$320.2M 5.9M shares
Holocene Advisors, LP Hedge Fund•Long/Short	+$100.8M +1.9M shares	$100.8M 1.9M shares
A AMF Pensionsforsakring AB Institution	+$72.3M +1.3M shares	$72.3M 1.3M shares
Z Zurich Insurance Group Ltd/FI Institution	+$67.3M +1.2M shares	$67.3M 1.2M shares
Schonfeld Strategic Advisors LLC Hedge Fund•Multi-Strategy	+$55.1M +1.0M shares	$74.3M 1.4M shares
Bornite Capital Management LP Hedge Fund•Long/Short	+$53.8M +1.0M shares	$53.8M 1.0M shares
ACK Asset Management LLC Hedge Fund•Long/Short	+$48.4M +900.0K shares	$48.4M 900.0K shares
D DENDUR CAPITAL LP Hedge Fund•Event Driven	+$48.3M +898.0K shares	$48.3M 898.0K shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$43.6M +810.2K shares	$63.6M 1.2M shares
ROYAL LONDON ASSET MANAGEMENT LTD Digital Asset Manager	+$39.0M +725.0K shares	$272.2M 5.1M shares

Biggest Sellers

Institution	Net Sold	Current Position
MORGAN STANLEY RIA/Wealth	−$127.4M −2.4M shares	$725.0M 13.5M shares
A Artemis Investment Management LLP Institution	−$100.2M −1.7M shares	Sold Off 0 shares
Select Equity Group, L.P. Hedge Fund•Multi-Strategy	−$95.5M −1.8M shares	$521.7M 9.7M shares
Anomaly Capital Management, LP Hedge Fund•Long/Short	−$67.4M −1.3M shares	$132.9M 2.5M shares
A Amundi Institution	−$53.5M −1.0M shares	$123.3M 2.3M shares
A AMERICAN CENTURY COMPANIES INC Institution	−$51.5M −956.1K shares	$7.1M 131.6K shares
D D1 Capital Partners L.P. Hedge Fund•Long/Short	−$45.0M −836.0K shares	$278.7M 5.2M shares
S Swedbank AB Institution	−$34.9M −648.9K shares	$64.5M 1.2M shares
Point72 Asset Management, L.P. Hedge Fund•Multi-Strategy	−$33.3M −618.5K shares	$30.2M 560.3K shares
I Impax Asset Management Group plc Long Only Manager	−$33.1M −614.8K shares	$139.6M 2.6M shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited CNM in Q3 2025

New Positions: 32
New Value: $208.4M
Exited Positions: 71
Exited Value: $253.2M

New Positions

Institution	Position Value
A AMF Pensionsforsakring AB Institution	$72.3M 1.3M shares
D DENDUR CAPITAL LP Hedge Fund•Event Driven	$48.3M 898.0K shares
T Tribune Investment Group LP Hedge Fund•Event Driven	$18.0M 335.0K shares
Kinetic Partners Management, LP Hedge Fund•Long/Short	$17.1M 317.9K shares
Rockefeller Capital Management L.P. Long Only Manager	$13.3M 248.0K shares
K KINGDON CAPITAL MANAGEMENT, L.L.C. Hedge Fund•Long/Short	$8.1M 150.0K shares
M Mediolanum International Funds Ltd Institution	$7.4M 137.7K shares
RPg Family Wealth Advisory, LLC RIA/Wealth	$4.2M 78.8K shares
NIA IMPACT ADVISORS, LLC Long Only Manager	$3.6M 66.4K shares
Intrinsic Edge Capital Management LLC Hedge Fund•Multi-Strategy	$3.2M 60.0K shares

Exited Positions

Institution	Previous Position
A Artemis Investment Management LLP Institution	$100.2M 1.7M shares
Allspring Global Investments Holdings, LLC Long Only Manager	$25.5M 415.4K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$19.6M 325.3K shares
Governors Lane LP Hedge Fund•Event Driven	$12.5M 207.3K shares
RIPOSTE CAPITAL LLC Hedge Fund•Long/Short	$12.1M 200.0K shares
NORDEA INVESTMENT MANAGEMENT AB Institution	$9.3M 154.8K shares
WELLINGTON MANAGEMENT CO LLP Long Only Manager	$8.8M 146.5K shares
A AXA Institution	$7.7M 127.4K shares
Y Y-Intercept Ltd Institution	$7.0M 116.5K shares
Q Qube Research & Technologies Ltd Institution	$5.3M 88.6K shares

Options Activity

Institutions with the largest Call and Put options positions in CNM as of Q3 2025

Call Positions: 19
Call Value: $85.0M
Put Positions: 9
Put Value: $21.6M

Call Positions

Institution	Position Value
M MAPLELANE CAPITAL, LLC Hedge Fund•Long/Short	$21.5M 4.0K contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$14.1M 2.6K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$8.5M 1.6K contracts
T Twin Tree Management, LP Hedge Fund•Vol Arbitrage	$7.5M 1.4K contracts
TIG Advisors, LLC Hedge Fund•Multi-Strategy	$5.4M 1.0K contracts
P PEAK6 LLC Institution	$5.3M 976.0 contracts
J JANE STREET GROUP, LLC Institution	$3.6M 667.0 contracts
LEUCADIA NATIONAL CORP Institution	$3.2M 600.0 contracts
W WOLVERINE TRADING, LLC Institution	$3.0M 564.0 contracts
UBS Group AG Institution	$2.9M 543.0 contracts

Put Positions

Institution	Position Value
T Twin Tree Management, LP Hedge Fund•Vol Arbitrage	$8.9M 1.7K contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$6.1M 1.1K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$2.7M 505.0 contracts
TIG Advisors, LLC Hedge Fund•Multi-Strategy	$1.3M 250.0 contracts
Pentwater Capital Management LP Hedge Fund•Event Driven	$1.1M 200.0 contracts
W WOLVERINE TRADING, LLC Institution	$627.5K 117.0 contracts
J JANE STREET GROUP, LLC Institution	$624.4K 116.0 contracts
Walleye Trading LLC RIA/Wealth	$140.0K 26.0 contracts
P PEAK6 LLC Institution	- - contracts

Most Committed Institutions

Institutions with CNM as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
C Camrose Capital Investment Partners LLP Institution	-	15.61% $67.3M	0.66% 1.2M shares	Q4 2024 Held for 1 year	$430.9M
CDAM Ltd Hedge Fund•Value	Adam Chamberlain CEO	11.29% $62.6M	0.61% 1.2M shares	Q1 2024 Held for 1y 9m	$554.4M
T Tribune Investment Group LP Hedge Fund•Event Driven	Bogdan George Cosmaciuc CIO	8.74% $18.0M	0.18% 335.0K shares	Q3 2025 Held for 3 months	$206.4M
ACK Asset Management LLC Hedge Fund•Long/Short	Richard Scott Meisenberg Managing Partner	5.77% $48.4M	0.47% 900.0K shares	Q3 2025 Held for 3 months	$839.5M
Sea Cliff Partners Management, LP Hedge Fund•Long/Short	Marcello Richard Pantuliano Partner	5.45% $14.9M	0.15% 277.0K shares	Q4 2024 Held for 1 year	$273.5M
D DENDUR CAPITAL LP Hedge Fund•Event Driven	Malcolm Andrew Levine CIO	5.39% $48.3M	0.47% 898.0K shares	Q3 2025 Held for 3 months	$897.0M
Bornite Capital Management LP Hedge Fund•Long/Short	Daniel A. Dreyfus CIO	5.13% $53.8M	0.52% 1.0M shares	Q1 2025 Held for 9 months	$1.0B
Pembroke Management, LTD Long Only Manager	Nicolas Gilles Chevalier CEO	4.86% $48.9M	0.48% 909.2K shares	Q2 2023 Held for 2y 6m	$1.0B
F Forest Avenue Capital Management LP Hedge Fund•Long/Short	Tarigh Nmn Yusufi Founder	4.83% $67.2M	0.65% 1.2M shares	Q4 2023 Held for 2 years	$1.4B
Stenahm Asset Managment Ltd Fund of Funds	Giulio Battaglia CEO	4.12% $7.2M	0.07% 133.0K shares	Q2 2025 Held for 6 months	$173.9M

Hedge Fund Spotlight

Discover hedge funds investing in CNM

Hill City Capital, LP

Hedge Fund • Value

Portfolio ManagerHerbert Anselem Frazier

Portfolio Value: $2.4B
Positions: 23
Last Reported: Q3 2025

Sector Allocation

Position in Core & Main

Market Value: $41.7M
Shares Held: 775.5K
Portfolio Weight: 1.71%
Owned Since: 2023-Q2

Top Holding	Sector	Market Value	Weight
1 First Solar FSLR	Solar Energy	$460.9M	18.84%
2 MasTec MTZ	Engineering & Construction Industrials	$458.6M	18.75%
3 Dycom Industries DY	Engineering & Construction Industrials	$294.6M	12.05%