Citadel Advisors
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Citadel Advisors’s Aehr Test Systems AEHR Stock Holding History

Citadel Advisors’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 		$71.4M Buy
743,000
+591,400
+390% +$54M 0.01% 1238
2026
Q1 		$5.62M Sell
151,600
-136,000
-47% -$4.35M ﹤0.01% 4154
2025
Q4 		$5.81M Sell
287,600
-29,900
-9% -$723K ﹤0.01% 4047
2025
Q3 		$9.56M Buy
317,500
+197,200
+164% +$4.27M ﹤0.01% 3350
2025
Q2 		$1.56M Sell
120,300
-29,000
-19% -$276K ﹤0.01% 6187
2025
Q1 		$1.09M Buy
149,300
+91,600
+159% +$1.01M ﹤0.01% 6775
2024
Q4 		$960K Sell
57,700
-5,600
-9% -$74.7K ﹤0.01% 7107
2024
Q3 		$813K Sell
63,300
-25,200
-28% -$364K ﹤0.01% 7270
2024
Q2 		$989K Sell
88,500
-183,200
-67% -$2.13M ﹤0.01% 6601
2024
Q1 		$3.37M Buy
271,700
+55,200
+25% +$920K ﹤0.01% 4592
2023
Q4 		$5.74M Sell
216,500
-86,600
-29% -$2.53M ﹤0.01% 3589
2023
Q3 		$13.9M Sell
303,100
-9,000
-3% -$417K ﹤0.01% 2284
2023
Q2 		$12.9M Sell
312,100
-193,200
-38% -$6.34M ﹤0.01% 2358
2023
Q1 		$15.7M Buy
505,300
+353,100
+232% +$11.4M ﹤0.01% 2210
2022
Q4 		$3.06M Sell
152,200
-71,000
-32% -$1.52M ﹤0.01% 4718
2022
Q3 		$3.15M Buy
223,200
+187,100
+518% +$2.52M ﹤0.01% 4720
2022
Q2 		$271K Sell
36,100
-40,500
-53% -$336K ﹤0.01% 10029
2022
Q1 		$778K Sell
76,600
-116,000
-60% -$1.48M ﹤0.01% 8283
2021
Q4 		$4.66M Buy
192,600
+96,600
+101% +$1.89M ﹤0.01% 4433
2021
Q3 		$1.31M Buy
+96,000
New +$690K ﹤0.01% 7439

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

Citadel Advisors's AEHR Position: Q2 2026 in Review

Citadel Advisors increased its Aehr Test Systems (AEHR) stake by 184% in Q2 2026, buying an estimated $23.7M and bringing the position to 400,732 shares worth $38.5M. The position accounts for ﹤0.01% of the portfolio, ranked #1829.

Citadel Advisors first reported a position in AEHR in Q2 2016 and has held it in 21 quarters since. 262 funds tracked by Wall St. Rank hold AEHR as of Q2 2026.

  • Citadel Advisors held 400,732 shares of Aehr Test Systems worth $38.5M as of Q2 2026.
  • Citadel Advisors bought 259,441 Aehr Test Systems shares in Q2 2026, an estimated $23.7M.
  • Aehr Test Systems made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #1829 holding.
  • Citadel Advisors first reported a position in Aehr Test Systems in Q2 2016 and has held it in 21 quarters since.
  • 262 funds tracked by Wall St. Rank held Aehr Test Systems as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.