Wetherby Asset Management Inc
- SEC CIK
- 0001279627
- Latest filing
- Nov 14, 2025
MPWR holding history
Monolithic Power Systems, Inc. in every 13F filed by Wetherby Asset Management Inc, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
MPWR overviewAll 13F holders of MPWRFull Q3 2025 holdings
- Shares (Q3 2025)
- 549
- Value
- $505.4K
- % of portfolio
- <0.1%
- Quarters held
- 16
- Since Q2 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q3 2025 | 549 | $505.4K | <0.1% | +73+15.3% | Added | Holders |
| Q2 2025 | 476 | $348.1K | <0.1% | – | No prior filing | Holders |
| Q1 2025 | – | – | – | – | Not filed | Holders |
| Q4 2024 | 449 | $265.9K | <0.1% | −103−18.7% | Reduced | Holders |
| Q3 2024 | 552 | $510.7K | <0.1% | +29+5.5% | Added | Holders |
| Q2 2024 | 523 | $429.7K | <0.1% | −3−0.6% | Reduced | Holders |
| Q1 2024 | 526 | $356.3K | <0.1% | +1+0.2% | Added | Holders |
| Q4 2023 | 525 | $331.2K | <0.1% | +28+5.6% | Added | Holders |
| Q3 2023 | 497 | $229.6K | <0.1% | +6+1.2% | Added | Holders |
| Q2 2023 | 491 | $265.3K | <0.1% | +23+4.9% | Added | Holders |
| Q1 2023 | 468 | $234.3K | <0.1% | +468 | New | Holders |
| Q4 2022 | 0 | $0 | 0.0% | −783−100.0% | Sold out | Holders |
| Q3 2022 | 783 | $285.0K | <0.1% | −54−6.5% | Reduced | Holders |
| Q2 2022 | 837 | $321.0K | <0.1% | +77+10.1% | Added | Holders |
| Q1 2022 | 760 | $369.0K | <0.1% | +119+18.6% | Added | Holders |
| Q4 2021 | 641 | $316.0K | <0.1% | +12+1.9% | Added | Holders |
| Q3 2021 | 629 | $305.0K | <0.1% | +3+0.5% | Added | Holders |
| Q2 2021 | 626 | $234.0K | <0.1% | +626 | New | Holders |