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
2024 Q1	–	Sell	-100,200	Closed	-$19.9M	–	549
2023 Q4	$19.9M	Hold	100,200	–	–	0.17%	117
2023 Q3	$17M	Buy	+100,200	New	+$18.2M	0.1%	160
2020 Q3	–	Sell	-11,600	Closed	-$2.31M	–	913
2020 Q2	$2.31M	Buy	+11,600	New	+$2.25M	0.03%	313
2020 Q1	–	Sell	-3,500	Closed	-$676K	–	831
2019 Q4	$676K	Sell	3,500 -20,200	-85%	-$3.83M	0.01%	640
2019 Q3	$4.69M	Buy	+23,700	New	+$4.75M	0.03%	345
2017 Q4	–	Sell	-290,000	Closed	-$37.3M	–	1602
2017 Q3	$37.3M	Buy	+290,000	New	+$38.1M	0.16%	104
2017 Q2	–	Sell	-250,000	Closed	-$31.3M	–	1681
2017 Q1	$31.3M	Buy	+250,000	New	+$30.6M	0.24%	103
2016 Q2	–	Sell	-120,000	Closed	-$13.4M	–	873
2016 Q1	$13.4M	Buy	+120,000	New	+$12.7M	0.21%	118

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.