Group One Trading’s Aehr Test Systems AEHR Stock Holding History

Group One Trading’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	$473K	Buy	+12,758	New	+$408K	﹤0.01%	3398
2025 Q4	–	Sell	-8,064	Closed	-$195K	–	8010
2025 Q3	$243K	Buy	+8,064	New	+$175K	﹤0.01%	4472
2025 Q1	–	Sell	-7,137	Closed	-$78.9K	–	7504
2024 Q4	$119K	Sell	7,137 -13,948	-66%	-$186K	﹤0.01%	4371
2024 Q3	$271K	Buy	+21,085	New	+$305K	﹤0.01%	3352
2024 Q2	–	Sell	-27,819	Closed	-$324K	–	6633
2024 Q1	$345K	Sell	27,819 -203,389	-88%	-$3.39M	﹤0.01%	3089
2023 Q4	$6.13M	Buy	231,208 +66,350	+40%	+$1.94M	0.02%	986
2023 Q3	$7.53M	Sell	164,858 -79,044	-32%	-$3.66M	0.03%	680
2023 Q2	$10.1M	Sell	243,902 -3,556	-1%	-$117K	0.03%	506
2023 Q1	$7.68M	Buy	247,458 +178,130	+257%	+$5.74M	0.03%	620
2022 Q4	$1.39M	Sell	69,328 -246,923	-78%	-$5.28M	﹤0.01%	2136
2022 Q3	$4.46M	Buy	+316,251	New	+$4.26M	0.01%	1249
2021 Q4	–	Sell	-216,253	Closed	-$4.22M	–	8118
2021 Q3	$2.95M	Buy	+216,253	New	+$1.55M	﹤0.01%	2256

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

Group One Trading's AEHR Position: Q1 2026 in Review

Group One Trading opened a new position in Aehr Test Systems (AEHR) in Q1 2026: 12,758 shares worth $473K. The stake represents ﹤0.01% of the portfolio and ranks #3398 among its holdings. This is a return to the name: Group One Trading previously reported a position in AEHR as recently as Q3 2025.

Group One Trading first reported a position in AEHR in Q3 2021 and has held it in 12 quarters since. The position peaked at $10.1M in Q2 2023. 191 funds tracked by Wall St. Rank hold AEHR as of Q1 2026.

Group One Trading held 12,758 shares of Aehr Test Systems worth $473K as of Q1 2026.
Aehr Test Systems was a new Group One Trading position in Q1 2026.
Aehr Test Systems made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #3398 holding.
Group One Trading first reported a position in Aehr Test Systems in Q3 2021 and has held it in 12 quarters since.
Group One Trading's Aehr Test Systems position peaked at $10.1M in Q2 2023.
191 funds tracked by Wall St. Rank held Aehr Test Systems as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.