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Jeff Yass’s Aehr Test Systems AEHR Stock Holding History

Jeff Yass’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
Q2 		$114M Buy
1,191,400
+374,800
+46% +$34.2M 0.01% 878
2026
Q1 		$30.3M Sell
816,600
-379,000
-32% -$12.1M ﹤0.01% 1732
2025
Q4 		$24.1M Buy
1,195,600
+265,200
+29% +$6.41M ﹤0.01% 2020
2025
Q3 		$28M Buy
930,400
+594,600
+177% +$12.9M ﹤0.01% 1862
2025
Q2 		$4.34M Buy
335,800
+248,800
+286% +$2.37M ﹤0.01% 4245
2025
Q1 		$634K Sell
87,000
-255,100
-75% -$2.82M ﹤0.01% 8378
2024
Q4 		$5.69M Buy
342,100
+215,600
+170% +$2.87M ﹤0.01% 3407
2024
Q3 		$1.63M Sell
126,500
-247,900
-66% -$3.58M ﹤0.01% 5725
2024
Q2 		$4.18M Buy
374,400
+24,100
+7% +$281K ﹤0.01% 3733
2024
Q1 		$4.34M Buy
350,300
+110,900
+46% +$1.85M ﹤0.01% 3867
2023
Q4 		$6.35M Sell
239,400
-128,100
-35% -$3.74M ﹤0.01% 3318
2023
Q3 		$16.8M Sell
367,500
-109,700
-23% -$5.09M ﹤0.01% 1938
2023
Q2 		$19.7M Buy
477,200
+167,900
+54% +$5.51M ﹤0.01% 1741
2023
Q1 		$9.59M Sell
309,300
-20,200
-6% -$651K ﹤0.01% 2515
2022
Q4 		$6.62M Buy
329,500
+246,100
+295% +$5.26M ﹤0.01% 2817
2022
Q3 		$1.18M Buy
83,400
+3,000
+4% +$40.4K ﹤0.01% 6218
2022
Q2 		$603K Buy
80,400
+25,900
+48% +$215K ﹤0.01% 7805
2022
Q1 		$554K Sell
54,500
-170,500
-76% -$2.18M ﹤0.01% 8714
2021
Q4 		$5.44M Sell
225,000
-160,700
-42% -$3.14M ﹤0.01% 3597
2021
Q3 		$5.26M Buy
+385,700
New +$2.77M ﹤0.01% 3857

Other funds holding AEHR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Jeff Yass's AEHR Position: Q2 2026 in Review

Jeff Yass reduced its Aehr Test Systems (AEHR) stake by 92% in Q2 2026, selling an estimated $16.9M and leaving 16,850 shares worth $1.62M. The position accounts for ﹤0.01% of the portfolio, ranked #6986.

Jeff Yass first reported a position in AEHR in Q1 2018 and has held it in 24 quarters since. The position peaked at $15M in Q1 2023. 262 funds tracked by Wall St. Rank hold AEHR as of Q2 2026.

  • Jeff Yass held 16,850 shares of Aehr Test Systems worth $1.62M as of Q2 2026.
  • Jeff Yass sold 185,189 Aehr Test Systems shares in Q2 2026, an estimated $16.9M.
  • Aehr Test Systems made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #6986 holding.
  • Jeff Yass first reported a position in Aehr Test Systems in Q1 2018 and has held it in 24 quarters since.
  • Jeff Yass's Aehr Test Systems position peaked at $15M in Q1 2023.
  • 262 funds tracked by Wall St. Rank held Aehr Test Systems as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.