Penbrook Management LLC

Position in AEHR — Aehr Test Systems

CIK 1381055 NEW YORK, NY

Position in AEHR

as of Jun 30, 2026 · filed Jul 23, 2026 Compact

Position Value

$499,512

-$2,448,904 QoQ

Shares Held

5,200

-93.5% QoQ

Ownership

0.016%

of shares outstanding

% of Portfolio

0.32%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2023

10 quarters on record

Voting authority Sole 0% Shared 0% None 100%

Technology · as of Jun 30, 2026

Penbrook Management LLC holds $6,700,528 across 5 Semiconductor Equipment & Materials names. AEHR ranks #4 (7.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PLAB	Photronics Inc	89,055	$2,896,959
2	ACLS	Axcelis Technologies Inc	10,895	$2,064,057
3	KLIC	Kulicke & Soffa Industries Inc	7,100	$949,696
4	AEHR	Aehr Test Systems This page	5,200	$499,512
5	TER	Teradyne, Inc	600	$290,304

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$499,512	5,200	-93.5%	Shares	Sole	2026-07-23
2026-03-31	$2,948,416	79,515	-30.8%	Shares	Sole	2026-04-21
2025-12-31	$2,319,831	114,900	-1.2%	Shares	Sole	2026-01-06
2025-09-30	$3,500,287	116,250	-7.9%	Shares	Sole	2025-10-22
2025-06-30	$1,632,412	126,250	+205.1%	Shares	Sole	2025-07-28
2025-03-31	$301,623	41,375	+22.3%	Shares	Sole	2025-04-01
2024-12-31	$562,509	33,825	+25.3%	Shares	Sole	2025-01-23
2024-09-30	$346,950	27,000	-2.1%	Shares	Sole	2024-10-15
2024-06-30	$308,068	27,580	+241.3%	Shares	Sole	2024-07-24
2023-12-31	$214,362	8,080	—	Shares	Sole	2024-01-16
No filing history on record for this holder in this stock.