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 Q2	$2.84M	Buy	10,177 +3,258	+47%	+$858K	0.01%	1128
2026 Q1	$1.84M	Buy	6,919 +2,931	+73%	+$827K	﹤0.01%	1412
2025 Q4	$1.05M	Buy	+3,988	New	+$1.06M	﹤0.01%	1748
2025 Q3	–	Sell	-1,805	Closed	-$486K	–	3061
2025 Q2	$486K	Buy	+1,805	New	+$459K	﹤0.01%	2134

Other funds holding ECL

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Gates Foundation Trust Kirkland, Washington $34.4B AUM 26.34% 1-Year Est. Return

UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return

Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return

PEAK6's ECL Position: Q2 2026 in Review

PEAK6 increased its Ecolab (ECL) stake by 47% in Q2 2026, buying an estimated $858K and bringing the position to 10,177 shares worth $2.84M. The position accounts for 0.01% of the portfolio, ranked #1128.

PEAK6 first reported a position in ECL in Q2 2025 and has held it in 4 quarters since. 1,705 funds tracked by Wall St. Rank hold ECL as of Q2 2026.

PEAK6 held 10,177 shares of Ecolab worth $2.84M as of Q2 2026.
PEAK6 bought 3,258 Ecolab shares in Q2 2026, an estimated $858K.
Ecolab made up 0.01% of PEAK6's portfolio in Q2 2026, its #1128 holding.
PEAK6 first reported a position in Ecolab in Q2 2025 and has held it in 4 quarters since.
1,705 funds tracked by Wall St. Rank held Ecolab as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.