CNMCore & Main, Inc.

$40.36-21% 1Y

Who owns CNM

447 institutions reported holding CNM for 2026Q2, together 102% of the company, fewer than the 468 a quarter earlier.

447

Institutions reporting a position · as of 2026Q2 · down from 468 the quarter before

Shares held by institutions
200.3M

Shares held by institutions · 102% of the company · long US equity positions only, as reported on Form 13F

Reported value
$9.66B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
32%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
20
New positions
63
Positions exited
84
Added to
148
Reduced
167
Top 10 holdersof the company
47%
Shares sold shortsettled Sep 15, 2026
10.2M
Short interestof shares outstanding
5.2%
Days to coverat the average daily volume
3.1
Change in the short positionsince the Aug 31, 2026 count
−9.6%
Institutional ownership by quarter, 2021Q3 to 2026Q2
QuarterFilersSharesReported value
2026Q2447200.3M$9.66B
2026Q1468194.8M$9.65B
2025Q4431200.2M$10.4B
2025Q3423206.4M$11.1B
2025Q2441203.1M$12.2B
2025Q1416203.3M$9.82B
2024Q4410196.9M$10.0B
2024Q3385197.8M$8.78B
2024Q2416197.6M$9.67B
2024Q1424197.4M$11.3B
2023Q4360207.3M$8.38B
2023Q3259219.8M$6.34B
2023Q2218221.9M$6.95B
2023Q1177243.1M$5.62B
2022Q4165241.6M$4.67B
2022Q3167238.4M$5.36B
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.18.4M9.4%$886M
VANGUARD GROUP INC18.3M9.3%$882M
Capital World Investors11.5M5.9%$554M
FMR LLC9.0M4.6%$432M
FIRST TRUST ADVISORS LP6.2M3.2%$302M
MORGAN STANLEY6.0M3.1%$291M
STATE STREET CORP5.9M3.0%$285M
Select Equity Group, L.P.5.8M3.0%$282M
ROYAL LONDON ASSET MANAGEMENT LTD5.5M2.8%$265M
Pictet Asset Management Holding SA5.0M2.5%$239M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 202610.2M5.2%3.1
Aug 31, 202611.3M5.8%5.8
Aug 14, 202610.8M5.5%6.0
Jul 31, 202611.3M5.8%6.1
Jul 15, 202610.4M5.3%4.4
Jun 30, 20269.4M4.8%2.9
Jun 15, 20268.7M4.5%3.1
May 29, 20269.3M4.7%4.8
May 15, 20269.0M4.6%4.3
Apr 30, 20267.9M4.0%2.5
Apr 15, 20267.9M4.0%3.3
Mar 31, 20268.1M4.1%2.4

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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