Oberweis Asset Management’s ACM Research ACMR Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Shares Change % | Capital Flow | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q2 | $6.4M | Sell |
246,960
-49,988
| -17% | -$1.29M | 0.28% | 124 |
|
|
2025
Q1 | $6.93M | Sell |
296,948
-188,252
| -39% | -$4.39M | 0.35% | 109 |
|
|
2024
Q4 | $7.33M | Buy |
485,200
+68,700
| +16% | +$1.04M | 0.35% | 111 |
|
|
2024
Q3 | $8.45M | Sell |
416,500
-24,630
| -6% | -$500K | 0.43% | 89 |
|
|
2024
Q2 | $10.2M | Hold |
441,130
| – | – | 0.62% | 57 |
|
|
2024
Q1 | $12.9M | Buy |
441,130
+47,730
| +12% | +$1.39M | 0.93% | 27 |
|
|
2023
Q4 | $7.69M | Buy |
393,400
+51,600
| +15% | +$1.01M | 0.72% | 38 |
|
|
2023
Q3 | $6.19M | Buy |
341,800
+56,200
| +20% | +$1.02M | 0.66% | 42 |
|
|
2023
Q2 | $3.74M | Buy |
285,600
+70,000
| +32% | +$916K | 0.45% | 83 |
|
|
2023
Q1 | $2.52M | Buy |
+215,600
| New | +$2.52M | 0.39% | 83 |
|
|
2022
Q2 | – | Sell |
-64,000
| Closed | -$1.32M | – | 160 |
|
|
2022
Q1 | $1.32M | Buy |
+64,000
| New | +$1.32M | 0.27% | 82 |
|
|
2021
Q2 | – | Sell |
-18,000
| Closed | -$485K | – | 159 |
|
|
2021
Q1 | $485K | Buy |
+18,000
| New | +$485K | 0.1% | 116 |
|
|
2020
Q4 | – | Sell |
-30,960
| Closed | -$713K | – | 134 |
|
|
2020
Q3 | $713K | Sell |
30,960
-73,440
| -70% | -$1.69M | 0.24% | 69 |
|
|
2020
Q2 | $2.17M | Buy |
104,400
+29,400
| +39% | +$611K | 0.85% | 21 |
|
|
2020
Q1 | $740K | Buy |
+75,000
| New | +$740K | 0.41% | 53 |
|