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
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 $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

Citadel Advisors's AEHR Position: Q1 2026 in Review

Citadel Advisors reduced its Aehr Test Systems (AEHR) stake by 36% in Q1 2026, selling an estimated $2.54M and leaving 141,291 shares worth $5.24M. The position accounts for ﹤0.01% of the portfolio, ranked #4264.

Citadel Advisors first reported a position in AEHR in Q2 2016 and has held it in 20 quarters since. The position peaked at $7.09M in Q4 2023. 191 funds tracked by Wall St. Rank hold AEHR as of Q1 2026.

  • Citadel Advisors held 141,291 shares of Aehr Test Systems worth $5.24M as of Q1 2026.
  • Citadel Advisors sold 79,488 Aehr Test Systems shares in Q1 2026, an estimated $2.54M.
  • Aehr Test Systems made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #4264 holding.
  • Citadel Advisors first reported a position in Aehr Test Systems in Q2 2016 and has held it in 20 quarters since.
  • Citadel Advisors's Aehr Test Systems position peaked at $7.09M in Q4 2023.
  • 191 funds tracked by Wall St. Rank held Aehr Test Systems as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.