Group One Trading
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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 		$6.72M Sell
181,100
-171,700
-49% -$5.49M 0.01% 1093
2025
Q4 		$7.12M Buy
352,800
+35,700
+11% +$863K 0.01% 1201
2025
Q3 		$9.55M Buy
317,100
+148,300
+88% +$3.21M 0.02% 933
2025
Q2 		$2.18M Buy
168,800
+21,100
+14% +$201K ﹤0.01% 2056
2025
Q1 		$1.08M Buy
147,700
+43,800
+42% +$484K ﹤0.01% 2402
2024
Q4 		$1.73M Buy
103,900
+10,500
+11% +$140K ﹤0.01% 2055
2024
Q3 		$1.2M Buy
93,400
+15,800
+20% +$228K ﹤0.01% 2142
2024
Q2 		$867K Buy
77,600
+14,500
+23% +$169K ﹤0.01% 2112
2024
Q1 		$782K Sell
63,100
-43,000
-41% -$717K ﹤0.01% 2306
2023
Q4 		$2.81M Buy
106,100
+41,200
+63% +$1.2M 0.01% 1576
2023
Q3 		$2.97M Buy
64,900
+300
+0.5% +$13.9K 0.01% 1319
2023
Q2 		$2.66M Buy
64,600
+1,400
+2% +$45.9K 0.01% 1440
2023
Q1 		$1.96M Sell
63,200
-139,000
-69% -$4.48M 0.01% 1547
2022
Q4 		$4.06M Buy
202,200
+103,200
+104% +$2.21M 0.01% 1289
2022
Q3 		$1.4M Buy
99,000
+36,600
+59% +$493K ﹤0.01% 2229
2022
Q2 		$468K Sell
62,400
-381,800
-86% -$3.17M ﹤0.01% 3484
2022
Q1 		$4.51M Sell
444,200
-61,000
-12% -$780K ﹤0.01% 1627
2021
Q4 		$12.2M Buy
505,200
+364,100
+258% +$7.11M 0.01% 967
2021
Q3 		$1.93M Buy
+141,100
New +$1.01M ﹤0.01% 2693

Other funds holding AEHR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
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
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
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Baillie Gifford & Co
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
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.