HORIZON KINETICS ASSET MANAGEMENT LLC

Position in AEHR — Aehr Test Systems

CIK 1056823 NEW YORK, NY

Back to AEHR Full portfolio

Position in AEHR

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

Position Value

$800,928

+$370,881 QoQ

Shares Held

21,600

+1.4% QoQ

Ownership

0.069%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2025

3 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)

Position in Semiconductor Equipment & Materials

Technology · as of Mar 31, 2026

HORIZON KINETICS ASSET MANAGEMENT LLC holds $1,118,674 across 2 Semiconductor Equipment & Materials names. AEHR ranks #1 (71.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	AEHR	Aehr Test Systems This page	21,600	$800,928
2	KLAC	Kla Corp	2,158	$317,746

All Filings in AEHR

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3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$800,928	21,600	+1.4%	Shares	Defined	2026-05-15
2025-12-31	$430,047	21,300	+38.3%	Shares	Defined	2026-02-11
2025-09-30	$463,694	15,400	—	Shares	Defined	2025-11-14
No filing history on record for this holder in this stock.