SUSQUEHANNA INTERNATIONAL GROUP, LLP

Position in ESE — Esco Technologies Inc

CIK 1446194 BALA CYNWYD, PA

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Position in ESE

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$3,243,070

-$268,673 QoQ

Shares Held

11,526

-35.9% QoQ

Ownership

0.044%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

23 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in ESE Over Time

Shares Held

Position Value (USD)

Derivatives in ESE

reported options exposure · as of Mar 31, 2026

CallValue

$1,069,206

CallShares

3,800

PutValue

$393,918

PutShares

1,400

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 Mar 31, 2026

SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $143,442,080 across 18 Scientific & Technical Instruments names. ESE ranks #7 (2.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	COHR	Coherent Corp.	408,976	$97,422,172
2	MKSI	Mks Inc	36,583	$8,407,138
3	KEYS	Keysight Technologies, Inc.	18,480	$5,218,197
4	TDY	Teledyne Technologies Inc	7,054	$4,267,740
5	TRMB	Trimble Inc.	64,725	$4,222,011
6	ST	Sensata Technologies Holding plc	100,928	$3,554,684
7	ESE	Esco Technologies Inc This page	11,526	$3,243,070
8	GRMN	Garmin Ltd	12,418	$2,881,100

All Filings in ESE

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38 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$393,918	1,400	-87.9%	Put	Other	2026-05-15
2026-03-31	$3,243,070	11,526	+203.3%	Shares	Other	2026-05-15
2026-03-31	$1,069,206	3,800	-77.2%	Call	Other	2026-05-15
2025-12-31	$3,263,013	16,700	-7.1%	Call	Other	2026-02-17
2025-12-31	$3,511,743	17,973	+755.9%	Shares	Other	2026-02-17
2025-09-30	$443,331	2,100	-29.8%	Put	Other	2025-11-14
2025-09-30	$631,852	2,993	-82.1%	Shares	Other	2025-11-14
2025-09-30	$3,525,537	16,700	+626.1%	Call	Other	2025-11-14
2025-06-30	$441,301	2,300	-93.2%	Call	Other	2025-08-14
2025-06-30	$6,495,950	33,856	+7.7%	Shares	Other	2025-08-14
2025-03-31	$5,002,732	31,440	+173.7%	Shares	Other	2025-05-14
2024-12-31	$1,530,183	11,487	+81.6%	Shares	Other	2025-02-14
2024-09-30	$816,056	6,327	+201.3%	Shares	Defined	2024-11-14
2024-06-30	$220,584	2,100	-69.7%	Call	Defined	2024-08-15
2024-06-30	$728,662	6,937	-9.5%	Shares	Defined	2024-08-15
2024-03-31	$820,645	7,666	+219.4%	Shares	Defined	2024-05-07
2024-03-31	$256,920	2,400	-60.7%	Put	Defined	2024-05-07
2024-03-31	$653,005	6,100	+205.0%	Call	Defined	2024-05-07
2023-12-31	$234,060	2,000	-85.1%	Put	Defined	2024-02-14
2023-12-31	$1,570,190	13,417	+332.8%	Shares	Defined	2024-02-14
2023-12-31	$362,793	3,100	-72.7%	Call	Defined	2024-02-14
2023-09-30	$1,184,140	11,338	-34.4%	Shares	Defined	2023-11-14
2023-06-30	$1,791,347	17,286	-10.1%	Shares	Defined	2023-08-11
2023-03-31	$1,834,930	19,224	+141.7%	Shares	Defined	2023-05-16
2022-12-31	$696,205	7,953	-13.3%	Shares	Defined	2023-02-14
2022-09-30	$673,518	9,171	+132.6%	Shares	Defined	2022-11-14
2022-03-31	$275,694	3,943	-6.3%	Shares	Defined	2022-05-16
2021-12-31	$378,587	4,207	+27.4%	Shares	Defined	2022-04-05
2021-06-30	$309,854	3,303	-54.2%	Shares	Defined	2021-08-11
2021-03-31	$785,314	7,212	-46.8%	Shares	Defined	2021-05-17
2020-12-31	$1,400,592	13,569	+299.1%	Shares	Defined	2021-03-26
2020-12-31	$350,948	3,400	-60.2%	Call	Defined	2021-03-26
2020-09-30	$688,868	8,551	+94.3%	Shares	Defined	2020-11-16
2020-09-30	$354,464	4,400	-29.0%	Call	Defined	2020-11-16
2020-06-30	$524,086	6,200	-12.5%	Call	Defined	2020-08-14
2020-06-30	$598,895	7,085	-43.9%	Shares	Defined	2020-08-14
2020-03-31	$958,439	12,626	-0.6%	Shares	Defined	2020-05-15
2020-03-31	$964,057	12,700	—	Call	Defined	2020-05-15
No filing history on record for this holder in this stock.