PEAK6’s Ecolab ECL Stock Holding History

PEAK6’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	$4.79M	Buy	+18,000	New	+$5.08M	0.01%	920
2025 Q3	–	Sell	-500	Closed	-$135K	–	3062
2025 Q2	$135K	Sell	500 -900	-64%	-$229K	﹤0.01%	2561
2025 Q1	$355K	Sell	1,400 -200	-13%	-$50.4K	﹤0.01%	2213
2024 Q4	$375K	Buy	+1,600	New	+$398K	﹤0.01%	2292

Other funds holding ECL

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

JP Morgan Chase New York $1.56T AUM 27.86% 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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return

PEAK6's ECL Position: Q1 2026 in Review

PEAK6 increased its Ecolab (ECL) stake by 73% in Q1 2026, buying an estimated $827K and bringing the position to 6,919 shares worth $1.84M. The position accounts for ﹤0.01% of the portfolio, ranked #1412.

PEAK6 first reported a position in ECL in Q2 2025 and has held it in 3 quarters since. 1,691 funds tracked by Wall St. Rank hold ECL as of Q1 2026.

PEAK6 held 6,919 shares of Ecolab worth $1.84M as of Q1 2026.
PEAK6 bought 2,931 Ecolab shares in Q1 2026, an estimated $827K.
Ecolab made up ﹤0.01% of PEAK6's portfolio in Q1 2026, its #1412 holding.
PEAK6 first reported a position in Ecolab in Q2 2025 and has held it in 3 quarters since.
1,691 funds tracked by Wall St. Rank held Ecolab as of Q1 2026.

Based on PEAK6's 13F filing for Q1 2026, filed 14 May 2026.