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 		$14.4M Sell
389,100
-159,400
-29% -$5.1M ﹤0.01% 2732
2025
Q4 		$11.1M Buy
548,500
+18,100
+3% +$438K ﹤0.01% 3126
2025
Q3 		$16M Buy
530,400
+268,700
+103% +$5.82M ﹤0.01% 2613
2025
Q2 		$3.38M Sell
261,700
-160,200
-38% -$1.52M ﹤0.01% 4770
2025
Q1 		$3.08M Buy
421,900
+296,600
+237% +$3.28M ﹤0.01% 4722
2024
Q4 		$2.08M Buy
125,300
+42,000
+50% +$560K ﹤0.01% 5541
2024
Q3 		$1.07M Sell
83,300
-55,400
-40% -$801K ﹤0.01% 6745
2024
Q2 		$1.55M Buy
138,700
+23,700
+21% +$276K ﹤0.01% 5786
2024
Q1 		$1.43M Sell
115,000
-59,200
-34% -$987K ﹤0.01% 6184
2023
Q4 		$4.62M Sell
174,200
-47,900
-22% -$1.4M ﹤0.01% 3914
2023
Q3 		$10.1M Sell
222,100
-90,600
-29% -$4.2M ﹤0.01% 2677
2023
Q2 		$12.9M Sell
312,700
-245,600
-44% -$8.06M ﹤0.01% 2354
2023
Q1 		$17.3M Buy
558,300
+221,600
+66% +$7.14M ﹤0.01% 2079
2022
Q4 		$6.77M Buy
336,700
+170,800
+103% +$3.65M ﹤0.01% 3386
2022
Q3 		$2.34M Buy
165,900
+139,100
+519% +$1.87M ﹤0.01% 5298
2022
Q2 		$201K Sell
26,800
-152,800
-85% -$1.27M ﹤0.01% 10679
2022
Q1 		$1.82M Sell
179,600
-227,000
-56% -$2.9M ﹤0.01% 6289
2021
Q4 		$9.83M Buy
406,600
+288,800
+245% +$5.64M ﹤0.01% 3104
2021
Q3 		$1.61M Buy
+117,800
New +$846K ﹤0.01% 6914

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.