David Shaw’s ACM Research ACMR Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2021
Q1
Sell
-30,000
Closed -$813K 3989
2020
Q4
$813K Hold
30,000
﹤0.01% 3158
2020
Q3
$691K Sell
30,000
-120,000
-80% -$3.41M ﹤0.01% 3066
2020
Q2
$3.12M Buy
+150,000
New +$2.46M ﹤0.01% 2049

Other funds holding ACMR

David Shaw's ACMR Position: Q2 2026 in Review

David Shaw opened a new position in ACM Research (ACMR) in Q2 2026: 33,500 shares worth $4.25M. The stake represents ﹤0.01% of the portfolio and ranks #2532 among its holdings. This is a return to the name: David Shaw previously reported a position in ACMR as recently as Q4 2025.

David Shaw first reported a position in ACMR in Q3 2019 and has held it in 12 quarters since. The position peaked at $5.65M in Q1 2024. 374 funds tracked by Wall St. Rank hold ACMR as of Q2 2026.

  • David Shaw held 33,500 shares of ACM Research worth $4.25M as of Q2 2026.
  • ACM Research was a new David Shaw position in Q2 2026.
  • ACM Research made up ﹤0.01% of David Shaw's portfolio in Q2 2026, its #2532 holding.
  • David Shaw first reported a position in ACM Research in Q3 2019 and has held it in 12 quarters since.
  • David Shaw's ACM Research position peaked at $5.65M in Q1 2024.
  • 374 funds tracked by Wall St. Rank held ACM Research as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.