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 		$38.5M Buy
400,732
+259,441
+184% +$23.7M ﹤0.01% 1829
2026
Q1 		$5.24M Sell
141,291
-79,488
-36% -$2.54M ﹤0.01% 4264
2025
Q4 		$4.46M Sell
220,779
-2,494
-1% -$60.3K ﹤0.01% 4459
2025
Q3 		$6.72M Buy
+223,273
New +$4.83M ﹤0.01% 3850
2024
Q4 		– Sell
-5,543
Closed -$73.9K – 14414
2024
Q3 		$71.2K Sell
5,543
-346,537
-98% -$5.01M ﹤0.01% 11534
2024
Q2 		$3.93M Buy
352,080
+257,407
+272% +$3M ﹤0.01% 4128
2024
Q1 		$1.17M Sell
94,673
-172,748
-65% -$2.88M ﹤0.01% 6601
2023
Q4 		$7.09M Buy
267,421
+137,647
+106% +$4.01M ﹤0.01% 3303
2023
Q3 		$5.93M Buy
129,774
+74,982
+137% +$3.48M ﹤0.01% 3384
2023
Q2 		$2.26M Buy
54,792
+45,645
+499% +$1.5M ﹤0.01% 4951
2023
Q1 		$284K Sell
9,147
-74,565
-89% -$2.4M ﹤0.01% 9488
2022
Q4 		$1.68M Sell
83,712
-84,128
-50% -$1.8M ﹤0.01% 5802
2022
Q3 		$2.37M Sell
167,840
-1,328
-0.8% -$17.9K ﹤0.01% 5270
2022
Q2 		$1.27M Sell
169,168
-31,478
-16% -$262K ﹤0.01% 6478
2022
Q1 		$2.04M Buy
200,646
+189,533
+1,706% +$2.42M ﹤0.01% 6050
2021
Q4 		$269K Sell
11,113
-338,073
-97% -$6.6M ﹤0.01% 11152
2021
Q3 		$4.77M Buy
349,186
+322,269
+1,197% +$2.31M ﹤0.01% 4397
2021
Q2 		$74K Buy
+26,917
New +$64.4K ﹤0.01% 13122
2019
Q1 		– Sell
-10,727
Closed -$15K – 9196
2018
Q4 		$15K Sell
10,727
-3,340
-24% -$6.24K ﹤0.01% 8836
2018
Q3 		$31K Buy
+14,067
New +$34.8K ﹤0.01% 8918
2016
Q3 		– Sell
-12,012
Closed -$19K – 7176
2016
Q2 		$19K Buy
+12,012
New +$16.9K ﹤0.01% 6622

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.