Shell Asset Management Co
- SEC CIK
- 0001211028
- Latest filing
- Nov 7, 2025
MPWR holding history
Monolithic Power Systems, Inc. in every 13F filed by Shell Asset Management Co, 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)
- 503
- Value
- $463.0K
- % of portfolio
- <0.1%
- Quarters held
- 18
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q3 2025 | 503 | $463.0K | <0.1% | −4,661−90.3% | Reduced | Holders |
| Q2 2025 | 5,164 | $3.78M | 0.1% | −1,863−26.5% | Reduced | Holders |
| Q1 2025 | 7,027 | $4.08M | 0.2% | +1,814+34.8% | Added | Holders |
| Q4 2024 | 5,213 | $3.08M | 0.1% | +4,779+1,101.2% | Added | Holders |
| Q3 2024 | 434 | $401.0K | <0.1% | – | No prior filing | Holders |
| Q2 2024 | – | – | – | – | Not filed | Holders |
| Q1 2024 | 434 | $357.0K | <0.1% | −44−9.2% | Reduced | Holders |
| Q4 2023 | 478 | $302.0K | <0.1% | −144−23.2% | Reduced | Holders |
| Q3 2023 | 622 | $287.0K | <0.1% | −10−1.6% | Reduced | Holders |
| Q2 2023 | 632 | $341.0K | <0.1% | −665−51.3% | Reduced | Holders |
| Q1 2023 | 1,297 | $649.0K | <0.1% | −5−0.4% | Reduced | Holders |
| Q4 2022 | 1,302 | $460.0K | <0.1% | −281−17.8% | Reduced | Holders |
| Q3 2022 | 1,583 | $575.0K | <0.1% | −414−20.7% | Reduced | Holders |
| Q2 2022 | 1,997 | $767.0K | <0.1% | +4+0.2% | Added | Holders |
| Q1 2022 | 1,993 | $968.0K | <0.1% | −458−18.7% | Reduced | Holders |
| Q4 2021 | 2,451 | $1.21M | <0.1% | +12+0.5% | Added | Holders |
| Q3 2021 | 2,439 | $1.18M | <0.1% | −636−20.7% | Reduced | Holders |
| Q2 2021 | 3,075 | $1.15M | <0.1% | +160+5.5% | Added | Holders |
| Q1 2021 | 2,915 | $1.03M | <0.1% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.