Laurion Capital Management’s Ecolab ECL Stock Holding History

Laurion 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
2025 Q3	–	Sell	-1,704	Closed	-$459K	–	306
2025 Q2	$459K	Buy	+1,704	New	+$433K	0.01%	259
2023 Q4	–	Sell	-33,543	Closed	-$6.03M	–	513
2023 Q3	$5.68M	Buy	+33,543	New	+$6.1M	0.03%	269
2021 Q3	–	Sell	-1,257	Closed	-$259K	–	738
2021 Q2	$259K	Buy	+1,257	New	+$273K	﹤0.01%	616
2020 Q4	–	Sell	-17,800	Closed	-$3.56M	–	715
2020 Q3	$3.56M	Sell	17,800 -6,260	-26%	-$1.25M	0.04%	255
2020 Q2	$4.79M	Buy	+24,060	New	+$4.66M	0.05%	229
2020 Q1	–	Sell	-22,959	Closed	-$4.43M	–	830
2019 Q4	$4.43M	Buy	22,959 +18,714	+441%	+$3.55M	0.03%	323
2019 Q3	$841K	Buy	+4,245	New	+$851K	0.01%	674
2018 Q3	–	Sell	-2,043	Closed	-$287K	–	1262
2018 Q2	$287K	Buy	+2,043	New	+$295K	﹤0.01%	1100
2017 Q4	–	Sell	-49,869	Closed	-$6.41M	–	1601
2017 Q3	$6.41M	Buy	+49,869	New	+$6.56M	0.03%	438

Other funds holding ECL

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Gates Foundation Trust Kirkland, Washington $31.7B AUM 20.52% 1-Year Est. Return

Aristotle Capital Management Los Angeles, California $47.8B AUM 13.38% 1-Year Est. Return

Pictet Asset Management Carouge, Switzerland $94.8B AUM 24.11% 1-Year Est. Return

Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

Laurion Capital Management's ECL Position: Q3 2025 in Review

Laurion Capital Management sold out of Ecolab (ECL) in Q3 2025, closing a stake of 1,704 shares — an estimated $459K sold.

Laurion Capital Management first reported a position in ECL in Q3 2017 and held it in 9 quarters. The position peaked at $6.41M in Q3 2017. 1,618 funds tracked by Wall St. Rank hold ECL as of Q3 2025.

Laurion Capital Management reported no remaining Ecolab position as of Q3 2025 after selling out during the quarter.
Laurion Capital Management sold 1,704 Ecolab shares in Q3 2025, an estimated $459K.
Laurion Capital Management first reported a position in Ecolab in Q3 2017 and held it in 9 quarters.
Laurion Capital Management's Ecolab position peaked at $6.41M in Q3 2017.
1,618 funds tracked by Wall St. Rank held Ecolab as of Q3 2025.

Based on Laurion Capital Management's 13F filing for Q3 2025, filed 17 Nov 2025.