Mariner
CNM icon

Mariner’s Core & Main CNM Stock Holding History

Mariner’s Portfolio CNM Stock Details CNM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.5M Buy
+50,698
New +$2.73M ﹤0.01% 1416
2025
Q4 		– Sell
-17,071
Closed -$919K – 3587
2025
Q3 		$919K Buy
17,071
+2,227
+15% +$135K ﹤0.01% 1976
2025
Q2 		$896K Buy
14,844
+5,430
+58% +$290K ﹤0.01% 1875
2025
Q1 		$455K Buy
9,414
+1,839
+24% +$95.3K ﹤0.01% 2279
2024
Q4 		$386K Buy
7,575
+1,415
+23% +$66.7K ﹤0.01% 2398
2024
Q3 		$274K Sell
6,160
-2,381
-28% -$114K ﹤0.01% 2661
2024
Q2 		$418K Buy
8,541
+1,645
+24% +$91.4K ﹤0.01% 2182
2024
Q1 		$395K Buy
6,896
+483
+8% +$22.1K ﹤0.01% 2220
2023
Q4 		$259K Buy
+6,413
New +$217K ﹤0.01% 2469

Other funds holding CNM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Select Equity Group
Select Equity Group New York $19.5B AUM 17.33% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $94.8B AUM 24.11% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Royal London Asset Management
Royal London Asset Management United Kingdom $47.7B AUM 29.41% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Mariner's CNM Position: Q1 2026 in Review

Mariner opened a new position in Core & Main (CNM) in Q1 2026: 50,698 shares worth $2.5M. The stake represents ﹤0.01% of the portfolio and ranks #1416 among its holdings. This is a return to the name: Mariner previously reported a position in CNM as recently as Q3 2025.

Mariner first reported a position in CNM in Q4 2023 and has held it in 9 quarters since. 470 funds tracked by Wall St. Rank hold CNM as of Q1 2026.

  • Mariner held 50,698 shares of Core & Main worth $2.5M as of Q1 2026.
  • Core & Main was a new Mariner position in Q1 2026.
  • Core & Main made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #1416 holding.
  • Mariner first reported a position in Core & Main in Q4 2023 and has held it in 9 quarters since.
  • 470 funds tracked by Wall St. Rank held Core & Main as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.