William Blair & Company
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William Blair & Company’s Aehr Test Systems AEHR Stock Holding History

William Blair & Company’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 		$1.71M Buy
+17,838
New +$1.63M ﹤0.01% 816

Other funds holding AEHR

BlackRock
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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

William Blair & Company's AEHR Position: Q2 2026 in Review

William Blair & Company opened a new position in Aehr Test Systems (AEHR) in Q2 2026: 17,838 shares worth $1.71M. The stake represents ﹤0.01% of the portfolio and ranks #816 among its holdings.

262 funds tracked by Wall St. Rank hold AEHR as of Q2 2026.

  • William Blair & Company held 17,838 shares of Aehr Test Systems worth $1.71M as of Q2 2026.
  • Aehr Test Systems was a new William Blair & Company position in Q2 2026.
  • Aehr Test Systems made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #816 holding.
  • 262 funds tracked by Wall St. Rank held Aehr Test Systems as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.