A number of large investors have recently made changes to their positions in AEHR. GAMMA Investing LLC increased its holdings in shares of Aehr Test Systems by 1,753.1% in the 1st quarter. GAMMA Investing LLC now owns 7,079 shares of the semiconductor company's stock valued at $52,000 after purchasing an additional 6,697 shares in the last quarter. Rhumbline Advisers increased its holdings in shares of Aehr Test Systems by 5.7% in the 1st quarter. Rhumbline Advisers now owns 40,212 shares of the semiconductor company's stock valued at $293,000 after purchasing an additional 2,165 shares in the last quarter. XTX Topco Ltd purchased a new position in shares of Aehr Test Systems in the 1st quarter valued at about $267,000. Charles Schwab Investment Management Inc. increased its holdings in shares of Aehr Test Systems by 4.8% in the 1st quarter.