Swiss National Bank’s Aehr Test Systems AEHR Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$2.13M Buy
57,500
+1,200
+2% +$38.4K ﹤0.01% 1819
2025
Q4
$1.14M Buy
+56,300
New +$1.36M ﹤0.01% 2120
2024
Q2
Sell
-53,900
Closed -$668K 2462
2024
Q1
$668K Hold
53,900
﹤0.01% 2391
2023
Q4
$1.43M Sell
53,900
-5,300
-9% -$155K ﹤0.01% 2043
2023
Q3
$2.71M Buy
59,200
+600
+1% +$27.8K ﹤0.01% 1655
2023
Q2
$2.42M Buy
58,600
+2,200
+4% +$72.2K ﹤0.01% 1765
2023
Q1
$1.75M Sell
56,400
-6,600
-10% -$213K ﹤0.01% 1916
2022
Q4
$1.27M Buy
+63,000
New +$1.35M ﹤0.01% 2205

Other funds holding AEHR

Swiss National Bank's AEHR Position: Q1 2026 in Review

Swiss National Bank increased its Aehr Test Systems (AEHR) stake by 2.1% in Q1 2026, buying an estimated $38.4K and bringing the position to 57,500 shares worth $2.13M. The position accounts for ﹤0.01% of the portfolio, ranked #1819.

Swiss National Bank first reported a position in AEHR in Q4 2022 and has held it in 8 quarters since. The position peaked at $2.71M in Q3 2023. 191 funds tracked by Wall St. Rank hold AEHR as of Q1 2026.

  • Swiss National Bank held 57,500 shares of Aehr Test Systems worth $2.13M as of Q1 2026.
  • Swiss National Bank bought 1,200 Aehr Test Systems shares in Q1 2026, an estimated $38.4K.
  • Aehr Test Systems made up ﹤0.01% of Swiss National Bank's portfolio in Q1 2026, its #1819 holding.
  • Swiss National Bank first reported a position in Aehr Test Systems in Q4 2022 and has held it in 8 quarters since.
  • Swiss National Bank's Aehr Test Systems position peaked at $2.71M in Q3 2023.
  • 191 funds tracked by Wall St. Rank held Aehr Test Systems as of Q1 2026.

Based on Swiss National Bank's 13F filing for Q1 2026, filed 7 May 2026.