JANE STREET GROUP, LLC

Position in AEHR — Aehr Test Systems

CIK 1595888 NEW YORK, NY

Back to AEHR Full portfolio

Position in AEHR

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$10,272,828

+$5,418,386 QoQ

Shares Held

277,045

+15.2% QoQ

Ownership

0.881%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2021

19 quarters on record

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

Common Shares in AEHR Over Time

Shares Held

Position Value (USD)

Derivatives in AEHR

reported options exposure · as of Mar 31, 2026

CallValue

$3,889,692

CallShares

104,900

PutValue

$7,241,724

PutShares

195,300

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 Semiconductor Equipment & Materials

Technology · as of Mar 31, 2026

JANE STREET GROUP, LLC holds $1,638,407,095 across 21 Semiconductor Equipment & Materials names. AEHR ranks #11 (0.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AMAT	Applied Materials Inc /De	1,192,278	$407,508,696
2	ASML	Asml Holding NV	254,217	$335,777,438
3	Q	Qnity Electronics, Inc.	1,742,261	$201,022,073
4	LRCX	Lam Research Corp	699,544	$149,464,570
5	AXTI	Axt Inc	2,426,232	$138,246,698
6	ONTO	Onto Innovation Inc.	604,688	$124,003,367
7	AMKR	Amkor Technology, Inc.	2,329,820	$104,911,793
8	FORM	Formfactor Inc	925,617	$89,775,591

All Filings in AEHR

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38 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,889,692	104,900	-62.1%	Call	Defined	2026-05-12
2026-03-31	$10,272,828	277,045	+41.9%	Shares	Defined	2026-05-12
2026-03-31	$7,241,724	195,300	-18.8%	Put	Defined	2026-05-12
2025-12-31	$4,854,442	240,438	-8.9%	Shares	Defined	2026-02-12
2025-12-31	$5,330,160	264,000	+78.0%	Call	Defined	2026-02-12
2025-12-31	$2,994,177	148,300	-48.8%	Put	Defined	2026-02-12
2025-09-30	$8,728,889	289,900	+27.6%	Call	Defined	2025-11-14
2025-09-30	$6,840,992	227,200	+459.6%	Put	Defined	2025-11-14
2025-06-30	$524,958	40,600	-72.2%	Call	Defined	2025-08-14
2025-06-30	$1,886,252	145,882	+125.5%	Shares	Defined	2025-08-14
2025-06-30	$836,571	64,700	+104.1%	Put	Defined	2025-08-14
2025-03-31	$231,093	31,700	-22.5%	Put	Defined	2025-05-19
2025-03-31	$298,161	40,900	+107.6%	Call	Defined	2025-05-19
2025-03-31	$143,591	19,697	-79.8%	Shares	Defined	2025-05-19
2024-12-31	$1,621,425	97,500	-35.0%	Put	Defined	2025-02-14
2024-12-31	$2,496,163	150,100	+391.6%	Call	Defined	2025-02-14
2024-12-31	$507,797	30,535	-44.6%	Shares	Defined	2025-02-14
2024-09-30	$708,035	55,100	-45.3%	Put	Defined	2024-11-15
2024-09-30	$1,295,280	100,800	+31.9%	Call	Defined	2024-11-15
2024-09-30	$981,931	76,415	-56.1%	Shares	Defined	2024-11-15
2024-06-30	$1,942,886	173,938	+46.7%	Shares	Defined	2024-08-15
2024-03-31	$1,470,179	118,563	-24.1%	Shares	Defined	2024-05-16
2023-12-31	$4,145,736	156,266	-19.1%	Shares	Defined	2024-02-15
2023-06-30	$7,971,150	193,240	-18.3%	Shares	Defined	2023-08-14
2023-03-31	$7,339,145	236,594	+274.1%	Shares	Defined	2023-05-16
2022-12-31	$1,271,043	63,236	-77.5%	Shares	Defined	2023-02-15
2022-09-30	$3,969,812	281,547	+942.4%	Shares	Defined	2022-11-15
2022-06-30	$202,567	27,009	-47.6%	Shares	Defined	2022-08-16
2022-03-31	$523,240	51,500	-71.0%	Put	Defined	2022-05-17
2022-03-31	$1,802,129	177,375	+80.6%	Shares	Defined	2022-05-17
2022-03-31	$997,712	98,200	-15.3%	Call	Defined	2022-05-17
2021-12-31	$2,801,977	115,880	-60.8%	Shares	Defined	2022-02-15
2021-12-31	$7,147,608	295,600	+157.7%	Call	Defined	2022-02-15
2021-12-31	$2,773,446	114,700	+60.9%	Put	Defined	2022-02-15
2021-09-30	$973,245	71,300	-77.9%	Put	Defined	2021-11-16
2021-09-30	$4,413,604	323,341	+104.5%	Shares	Defined	2021-11-16
2021-09-30	$2,158,065	158,100	+1200.2%	Call	Defined	2021-11-16
2021-03-31	$30,643	12,160	—	Shares	Defined	2021-05-18
No filing history on record for this holder in this stock.