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Equibles

PEAK6 LLC

Position in ESE — Esco Technologies Inc

CIK 1389958 AUSTIN, TX
Back to ESE Full portfolio

Position in ESE

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$700
-$144 QoQ
Shares Held
2
-33.3% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ESE Over Time

Shares Held

Position Value (USD)

Derivatives in ESE

reported options exposure · as of Jun 30, 2026
CallValue
$10,501,200
CallShares
30,000
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Scientific & Technical Instruments

Technology · as of Jun 30, 2026

PEAK6 LLC holds $26,492,297 across 8 Scientific & Technical Instruments names. ESE ranks #7 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 COHR
Coherent Corp.
 29,202 $11,519,312
2 VPG
Vishay Precision Group, Inc.
 69,809 $10,465,067
3 ARBE
Arbe Robotics Ltd.
 4,135,197 $3,432,213
4 CGNX
Cognex Corp
 14,805 $1,072,178
5 TDY
Teledyne Technologies Inc
 2 $1,333
6 KEYS
Keysight Technologies, Inc.
 3 $1,050
7 ESE
Esco Technologies Inc
This page 		2 $700
8 MKSI
Mks Inc
 1 $444

All Filings in ESE

Export CSV
7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $10,501,200 30,000
2026-06-30 $700 2
2026-03-31 $8,441,100 30,000
2026-03-31 $844 3
2025-09-30 $189,999 900
2025-09-30 $443,331 2,100
2025-09-30 $633 3