Group One Trading’s Monolithic Power Systems MPWR Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $2.3M | Sell |
2,100
-2,000
| -49% | -$2.19M | ﹤0.01% | 1946 |
|
|
2025
Q4 | $3.72M | Hold |
4,100
| – | – | 0.01% | 1759 |
|
|
2025
Q3 | $3.77M | Sell |
4,100
-2,000
| -33% | -$1.62M | 0.01% | 1743 |
|
|
2025
Q2 | $4.46M | Buy |
6,100
+4,600
| +307% | +$2.93M | 0.01% | 1409 |
|
|
2025
Q1 | $870K | Buy |
+1,500
| New | +$945K | ﹤0.01% | 2580 |
|
|
2024
Q4 | – | Sell |
-200
| Closed | -$185K | – | 7700 |
|
|
2024
Q3 | $185K | Sell |
200
-2,300
| -92% | -$1.99M | ﹤0.01% | 3686 |
|
|
2024
Q2 | $2.05M | Sell |
2,500
-500
| -17% | -$361K | 0.01% | 1439 |
|
|
2024
Q1 | $2.03M | Sell |
3,000
-500
| -14% | -$334K | 0.01% | 1468 |
|
|
2023
Q4 | $2.21M | Buy |
3,500
+2,400
| +218% | +$1.25M | 0.01% | 1788 |
|
|
2023
Q3 | $508K | Sell |
1,100
-8,900
| -89% | -$4.55M | ﹤0.01% | 2893 |
|
|
2023
Q2 | $5.4M | Buy |
10,000
+9,900
| +9,900% | +$4.7M | 0.02% | 897 |
|
|
2023
Q1 | $50.1K | Sell |
100
-1,100
| -92% | -$506K | ﹤0.01% | 4846 |
|
|
2022
Q4 | $424K | Buy |
+1,200
| New | +$431K | ﹤0.01% | 3197 |
|
|
2022
Q3 | – | Sell |
-1,800
| Closed | -$691K | – | 7970 |
|
|
2022
Q2 | $691K | Sell |
1,800
-1,600
| -47% | -$676K | ﹤0.01% | 3123 |
|
|
2022
Q1 | $1.65M | Buy |
3,400
+2,500
| +278% | +$1.09M | ﹤0.01% | 2590 |
|
|
2021
Q4 | $444K | Sell |
900
-1,000
| -53% | -$516K | ﹤0.01% | 4266 |
|
|
2021
Q3 | $921K | Sell |
1,900
-9,800
| -84% | -$4.46M | ﹤0.01% | 3501 |
|
|
2021
Q2 | $4.37M | Sell |
11,700
-1,200
| -9% | -$422K | 0.01% | 1820 |
|
|
2021
Q1 | $4.56M | Buy |
12,900
+11,500
| +821% | +$4.19M | 0.01% | 1608 |
|
|
2020
Q4 | $513K | Buy |
1,400
+400
| +40% | +$128K | ﹤0.01% | 3240 |
|
|
2020
Q3 | $280K | Sell |
1,000
-800
| -44% | -$208K | ﹤0.01% | 3373 |
|
|
2020
Q2 | $427K | Buy |
1,800
+1,100
| +157% | +$223K | ﹤0.01% | 2765 |
|
|
2020
Q1 | $117K | Buy |
+700
| New | +$120K | ﹤0.01% | 3175 |
|
|
2019
Q2 | – | Sell |
-1,000
| Closed | -$135K | – | 5226 |
|
|
2019
Q1 | $135K | Buy |
+1,000
| New | +$131K | ﹤0.01% | 2970 |
|
|
2018
Q4 | – | Sell |
-200
| Closed | -$25K | – | 5202 |
|
|
2018
Q3 | $25K | Buy |
+200
| New | +$27.9K | ﹤0.01% | 4311 |
|
|
2017
Q4 | – | Sell |
-1,000
| Closed | -$107K | – | 5074 |
|
|
2017
Q3 | $107K | Hold |
1,000
| – | – | ﹤0.01% | 3198 |
|
|
2017
Q2 | $96K | Buy |
+1,000
| New | +$95.3K | ﹤0.01% | 3133 |
|
|
2016
Q3 | – | Sell |
-1,200
| Closed | -$82K | – | 4760 |
|
|
2016
Q2 | $82K | Sell |
1,200
-2,000
| -63% | -$131K | ﹤0.01% | 2993 |
|
|
2016
Q1 | $204K | Buy |
+3,200
| New | +$191K | ﹤0.01% | 2302 |
|
Other funds holding MPWR
VCM
VPM
Group One Trading's MPWR Position: Q1 2026 in Review
Group One Trading sold out of Monolithic Power Systems (MPWR) in Q1 2026, closing a stake of 929 shares — an estimated $1.01M sold.
Group One Trading first reported a position in MPWR in Q2 2013 and held it in 19 quarters. The position peaked at $2.77M in Q3 2025. 1,114 funds tracked by Wall St. Rank hold MPWR as of Q1 2026.
- Group One Trading reported no remaining Monolithic Power Systems position as of Q1 2026 after selling out during the quarter.
- Group One Trading sold 929 Monolithic Power Systems shares in Q1 2026, an estimated $1.01M.
- Group One Trading first reported a position in Monolithic Power Systems in Q2 2013 and held it in 19 quarters.
- Group One Trading's Monolithic Power Systems position peaked at $2.77M in Q3 2025.
- 1,114 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q1 2026.
Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.