Parallax Volatility Advisers’s ACM Research ACMR Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
2025
Q4
$826K Sell
2025
Q3
$932K Buy
2020
Q4
Sell
2020
Q3
$2.38M Buy
2020
Q2
Hold