Thompson Siegel & Walmsley’s Aehr Test Systems AEHR Stock Holding History

Thompson Siegel & Walmsley’s Portfolio AEHR Stock Details AEHR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-24,027	Closed	-$485K	–	420
2025 Q4	$485K	Sell	24,027 -4,663	-16%	-$113K	0.01%	347
2025 Q3	$864K	Buy	+28,690	New	+$621K	0.01%	322
2024 Q1	–	Sell	-51,979	Closed	-$1.38M	–	359
2023 Q4	$1.38M	Buy	51,979 +22,543	+77%	+$658K	0.02%	255
2023 Q3	$1.34M	Sell	29,436 -10,000	-25%	-$464K	0.02%	257
2023 Q2	$1.63M	Buy	39,436 +2,123	+6%	+$69.7K	0.03%	245
2023 Q1	$1.16M	Sell	37,313 -1,129	-3%	-$36.4K	0.02%	258
2022 Q4	$773K	Buy	+38,442	New	+$822K	0.01%	269

Other funds holding AEHR

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

AIC

AWM Investment Company New York $903M AUM 163.47% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

NCGI

Next Century Growth Investors Plymouth, Minnesota $1.38B AUM 102.34% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Thompson Siegel & Walmsley's AEHR Position: Q1 2026 in Review

Thompson Siegel & Walmsley sold out of Aehr Test Systems (AEHR) in Q1 2026, closing a stake of 24,027 shares — an estimated $485K sold.

Thompson Siegel & Walmsley first reported a position in AEHR in Q4 2022 and held it in 7 quarters. The position peaked at $1.63M in Q2 2023. 191 funds tracked by Wall St. Rank hold AEHR as of Q1 2026.

Thompson Siegel & Walmsley reported no remaining Aehr Test Systems position as of Q1 2026 after selling out during the quarter.
Thompson Siegel & Walmsley sold 24,027 Aehr Test Systems shares in Q1 2026, an estimated $485K.
Thompson Siegel & Walmsley first reported a position in Aehr Test Systems in Q4 2022 and held it in 7 quarters.
Thompson Siegel & Walmsley's Aehr Test Systems position peaked at $1.63M in Q2 2023.
191 funds tracked by Wall St. Rank held Aehr Test Systems as of Q1 2026.

Based on Thompson Siegel & Walmsley's 13F filing for Q1 2026, filed 11 May 2026.