MCM
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Mattern Capital Management’s Ecolab ECL Stock Holding History

Mattern Capital Management’s Portfolio ECL Stock Details ECL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$9.45M Sell
35,517
-259
-0.7% -$73.1K 1.13% 36
2025
Q4 		$9.39M Sell
35,776
-35
-0.1% -$9.32K 1.11% 37
2025
Q3 		$9.81M Sell
35,811
-500
-1% -$136K 1.15% 30
2025
Q2 		$9.78M Buy
36,311
+190
+0.5% +$48.3K 1.18% 32
2025
Q1 		$9.16M Sell
36,121
-861
-2% -$217K 1.17% 37
2024
Q4 		$8.67M Sell
36,982
-28
-0.1% -$6.96K 1.13% 46
2024
Q3 		$9.45M Sell
37,010
-211
-0.6% -$51.6K 1.19% 35
2024
Q2 		$8.86M Sell
37,221
-395
-1% -$91.3K 1.22% 29
2024
Q1 		$8.69M Sell
37,616
-1,989
-5% -$422K 1.18% 38
2023
Q4 		$7.86M Buy
39,605
+651
+2% +$117K 1.14% 48
2023
Q3 		$6.6M Buy
38,954
+1,663
+4% +$302K 1.07% 51
2023
Q2 		$6.96M Buy
37,291
+1,075
+3% +$185K 1.13% 43
2023
Q1 		$5.99M Buy
36,216
+960
+3% +$150K 1.06% 58
2022
Q4 		$5.13M Buy
35,256
+4,576
+15% +$672K 0.95% 77
2022
Q3 		$4.43M Buy
30,680
+219
+0.7% +$35.5K 0.92% 70
2022
Q2 		$4.68M Buy
30,461
+4,647
+18% +$771K 0.93% 75
2022
Q1 		$4.56M Buy
25,814
+1,493
+6% +$280K 0.82% 78
2021
Q4 		$5.71M Buy
24,321
+684
+3% +$155K 1% 65
2021
Q3 		$4.93M Buy
23,637
+639
+3% +$140K 0.97% 67
2021
Q2 		$4.74M Buy
22,998
+1,035
+5% +$225K 0.94% 69
2021
Q1 		$4.7M Buy
21,963
+882
+4% +$188K 1.02% 61
2020
Q4 		$4.56M Buy
21,081
+434
+2% +$90.7K 1.08% 54
2020
Q3 		$4.13M Buy
20,647
+111
+0.5% +$22.2K 1.08% 56
2020
Q2 		$4.09M Buy
20,536
+276
+1% +$53.4K 1.19% 45
2020
Q1 		$3.16M Buy
20,260
+429
+2% +$80.6K 1.07% 56
2019
Q4 		$3.83M Buy
+19,831
New +$3.76M 1.06% 56

Other funds holding ECL

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Gates Foundation Trust
Gates Foundation Trust Kirkland, Washington $31.7B AUM 20.52% 1-Year Est. Return
Aristotle Capital Management
Aristotle Capital Management Los Angeles, California $47.8B AUM 13.38% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return

Mattern Capital Management's ECL Position: Q1 2026 in Review

Mattern Capital Management reduced its Ecolab (ECL) stake by 0.72% in Q1 2026, selling an estimated $73.1K and leaving 35,517 shares worth $9.45M. The position accounts for 1.13% of the portfolio, ranked #36.

Mattern Capital Management first reported a position in ECL in Q4 2019 and has held it in 26 quarters since. The position peaked at $9.81M in Q3 2025. 1,691 funds tracked by Wall St. Rank hold ECL as of Q1 2026.

  • Mattern Capital Management held 35,517 shares of Ecolab worth $9.45M as of Q1 2026.
  • Mattern Capital Management sold 259 Ecolab shares in Q1 2026, an estimated $73.1K.
  • Ecolab made up 1.13% of Mattern Capital Management's portfolio in Q1 2026, its #36 holding.
  • Mattern Capital Management first reported a position in Ecolab in Q4 2019 and has held it in 26 quarters since.
  • Mattern Capital Management's Ecolab position peaked at $9.81M in Q3 2025.
  • 1,691 funds tracked by Wall St. Rank held Ecolab as of Q1 2026.

Based on Mattern Capital Management's 13F filing for Q1 2026, filed 4 May 2026.