PEAK6’s ESCO Technologies ESE Stock Holding History

PEAK6’s Portfolio ESE Stock Details ESE Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-900	Closed	-$190K	–	2975
2025 Q3	$190K	Buy	+900	New	+$178K	﹤0.01%	2484

Other funds holding ESE

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

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

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return

PEAK6's ESE Position: Q2 2026 in Review

PEAK6 reduced its ESCO Technologies (ESE) stake by 33% in Q2 2026, selling an estimated $313 and leaving 2 shares worth $598. The position accounts for ﹤0.01% of the portfolio, ranked #2633.

PEAK6 first reported a position in ESE in Q3 2025 and has held it in 3 quarters since. The position peaked at $762 in Q1 2026. 449 funds tracked by Wall St. Rank hold ESE as of Q2 2026.

PEAK6 held 2 shares of ESCO Technologies worth $598 as of Q2 2026.
PEAK6 sold 1 ESCO Technologies share in Q2 2026, an estimated $313.
ESCO Technologies made up ﹤0.01% of PEAK6's portfolio in Q2 2026, its #2633 holding.
PEAK6 first reported a position in ESCO Technologies in Q3 2025 and has held it in 3 quarters since.
PEAK6's ESCO Technologies position peaked at $762 in Q1 2026.
449 funds tracked by Wall St. Rank held ESCO Technologies as of Q2 2026.

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