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O'Brien Greene & Co’s Ecolab ECL Stock Holding History

O'Brien Greene & Co’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 		$850K Hold
3,194
– – 0.24% 59
2025
Q4 		$838K Hold
3,194
– – 0.25% 57
2025
Q3 		$875K Sell
3,194
-86
-3% -$23.4K 0.27% 54
2025
Q2 		$884K Hold
3,280
– – 0.29% 55
2025
Q1 		$832K Sell
3,280
-2
-0.1% -$504 0.28% 56
2024
Q4 		$769K Buy
3,282
+32
+1% +$7.96K 0.25% 64
2024
Q3 		$830K Sell
3,250
-35
-1% -$8.56K 0.26% 63
2024
Q2 		$782K Buy
3,285
+35
+1% +$8.09K 0.25% 63
2024
Q1 		$750K Hold
3,250
– – 0.25% 68
2023
Q4 		$645K Hold
3,250
– – 0.23% 71
2023
Q3 		$551K Hold
3,250
– – 0.2% 76
2023
Q2 		$607K Hold
3,250
– – 0.21% 71
2023
Q1 		$538K Hold
3,250
– – 0.2% 76
2022
Q4 		$473K Sell
3,250
-6,632
-67% -$974K 0.18% 87
2022
Q3 		$1.43M Buy
9,882
+6,588
+200% +$1.07M 0.19% 79
2022
Q2 		$506K Sell
3,294
-875
-21% -$145K 0.19% 81
2022
Q1 		$736K Sell
4,169
-22,976
-85% -$4.32M 0.24% 68
2021
Q4 		$6.37M Sell
27,145
-460
-2% -$104K 2.09% 18
2021
Q3 		$5.76M Buy
27,605
+165
+0.6% +$36.2K 2.1% 16
2021
Q2 		$5.65M Sell
27,440
-440
-2% -$95.6K 2.02% 18
2021
Q1 		$5.97M Sell
27,880
-227
-0.8% -$48.3K 2.36% 14
2020
Q4 		$6.08M Sell
28,107
-425
-1% -$88.8K 2.5% 11
2020
Q3 		$5.7M Buy
28,532
+130
+0.5% +$26K 2.71% 11
2020
Q2 		$5.65M Sell
28,402
-225
-0.8% -$43.6K 2.99% 6
2020
Q1 		$4.46M Sell
28,627
-72
-0.3% -$13.5K 2.97% 8
2019
Q4 		$5.54M Buy
28,699
+660
+2% +$125K 2.81% 8
2019
Q3 		$5.55M Buy
28,039
+124
+0.4% +$24.9K 2.98% 6
2019
Q2 		$5.51M Sell
27,915
-1,300
-4% -$242K 2.89% 5
2019
Q1 		$5.16M Buy
29,215
+460
+2% +$74.7K 2.6% 8
2018
Q4 		$4.24M Buy
+28,755
New +$4.39M 2.52% 9

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

O'Brien Greene & Co's ECL Position: Q1 2026 in Review

O'Brien Greene & Co held its Ecolab (ECL) position steady in Q1 2026 at 3,194 shares worth $850K. The position accounts for 0.24% of the portfolio, ranked #59.

O'Brien Greene & Co first reported a position in ECL in Q4 2018 and has held it in 30 quarters since. The position peaked at $6.37M in Q4 2021. 1,691 funds tracked by Wall St. Rank hold ECL as of Q1 2026.

  • O'Brien Greene & Co held 3,194 shares of Ecolab worth $850K as of Q1 2026.
  • O'Brien Greene & Co left its Ecolab share count unchanged in Q1 2026.
  • Ecolab made up 0.24% of O'Brien Greene & Co's portfolio in Q1 2026, its #59 holding.
  • O'Brien Greene & Co first reported a position in Ecolab in Q4 2018 and has held it in 30 quarters since.
  • O'Brien Greene & Co's Ecolab position peaked at $6.37M in Q4 2021.
  • 1,691 funds tracked by Wall St. Rank held Ecolab as of Q1 2026.

Based on O'Brien Greene & Co's 13F filing for Q1 2026, filed 6 May 2026.