West Oak Capital’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 | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q3 | – | Sell |
-55
| Closed | -$402 | – | 294 |
|
|
2025
Q2 | $402 | Hold |
55
| – | – | 0.02% | 176 |
|
|
2025
Q1 | $319 | Hold |
55
| – | – | 0.01% | 195 |
|
|
2024
Q4 | $325K | Hold |
55
| – | – | 0.01% | 194 |
|
|
2024
Q3 | $508 | Hold |
55
| – | – | 0.01% | 182 |
|
|
2024
Q2 | $45.2K | Hold |
55
| – | – | 0.02% | 189 |
|
|
2024
Q1 | $37K | Hold |
55
| – | – | 0.02% | 184 |
|
|
2023
Q4 | $32K | Hold |
55
| – | – | 0.02% | 191 |
|
|
2023
Q3 | $25K | Hold |
55
| – | – | 0.01% | 196 |
|
|
2023
Q2 | $29.7K | Hold |
55
| – | – | 0.01% | 189 |
|
|
2023
Q1 | $27.5K | Buy |
+55
| New | +$25.3K | 0.01% | 191 |
|
|
2022
Q4 | – | Sell |
-55
| Closed | -$20K | – | 312 |
|
|
2022
Q3 | $20K | Hold |
55
| – | – | 0.01% | 200 |
|
|
2022
Q2 | $21K | Hold |
55
| – | – | 0.01% | 203 |
|
|
2022
Q1 | $27K | Hold |
55
| – | – | 0.01% | 205 |
|
|
2021
Q4 | $27K | Sell |
55
-20
| -27% | -$10.3K | 0.01% | 216 |
|
|
2021
Q3 | $36K | Hold |
75
| – | – | 0.01% | 200 |
|
|
2021
Q2 | $28K | Hold |
75
| – | – | 0.01% | 219 |
|
|
2021
Q1 | $26K | Sell |
75
-25
| -25% | -$9.11K | 0.01% | 216 |
|
|
2020
Q4 | $37K | Hold |
100
| – | – | 0.02% | 195 |
|
|
2020
Q3 | $28K | Hold |
100
| – | – | 0.02% | 184 |
|
|
2020
Q2 | $24K | Hold |
100
| – | – | 0.01% | 197 |
|
|
2020
Q1 | $17K | Hold |
100
| – | – | 0.01% | 202 |
|
|
2019
Q4 | $18K | Hold |
100
| – | – | 0.01% | 212 |
|
|
2019
Q3 | $16K | Hold |
100
| – | – | 0.01% | 219 |
|
|
2019
Q2 | $14K | Hold |
100
| – | – | 0.01% | 235 |
|
|
2019
Q1 | $14K | Hold |
100
| – | – | 0.01% | 227 |
|
|
2018
Q4 | $11.6K | Hold |
100
| – | – | 0.01% | 239 |
|
|
2018
Q3 | $12.6K | Hold |
100
| – | – | 0.01% | 253 |
|
|
2018
Q2 | $13.4K | Hold |
100
| – | – | 0.01% | 246 |
|
|
2018
Q1 | $11.6K | Sell |
100
-25
| -20% | -$2.96K | 0.01% | 265 |
|
|
2017
Q4 | $14K | Hold |
125
| – | – | 0.01% | 233 |
|
|
2017
Q3 | $13.3K | Hold |
125
| – | – | 0.01% | 263 |
|
|
2017
Q2 | $12.1K | Hold |
125
| – | – | 0.01% | 279 |
|
|
2017
Q1 | $11.5K | Buy |
+125
| New | +$11.1K | 0.01% | 292 |
|
Other funds holding MPWR
West Oak Capital's MPWR Position: Q3 2025 in Review
West Oak Capital sold out of Monolithic Power Systems (MPWR) in Q3 2025, closing a stake of 55 shares — an estimated $402 sold.
West Oak Capital first reported a position in MPWR in Q1 2017 and held it in 33 quarters. The position peaked at $325K in Q4 2024. 980 funds tracked by Wall St. Rank hold MPWR as of Q3 2025.
- West Oak Capital reported no remaining Monolithic Power Systems position as of Q3 2025 after selling out during the quarter.
- West Oak Capital sold 55 Monolithic Power Systems shares in Q3 2025, an estimated $402.
- West Oak Capital first reported a position in Monolithic Power Systems in Q1 2017 and held it in 33 quarters.
- West Oak Capital's Monolithic Power Systems position peaked at $325K in Q4 2024.
- 980 funds tracked by Wall St. Rank held Monolithic Power Systems as of Q3 2025.
Based on West Oak Capital's 13F filing for Q3 2025, filed 3 Oct 2025.