Position in MPWR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$890,239
+$2,439 QoQ
Shares Held
644
-20.7% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.16%
of 13F equity value
Holder Rank
#664
of 1,235 holders
Holding Since
Jun 2022
16 quarters on record
Voting authority
Sole 81%
Shared 0%
None 19%
Common Shares in MPWR Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Jun 30, 2026American Trust holds $32,172,395 across 13 Semiconductors names. MPWR ranks #6 (2.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
44,594 | $8,922,813 | |
| 2 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
18,550 | $8,858,923 | |
| 3 | AVGO |
Broadcom Inc.
|
17,793 | $6,721,305 | |
| 4 | TXN |
Texas Instruments Inc
|
8,594 | $2,561,613 | |
| 5 | AMD |
Advanced Micro Devices Inc
|
2,303 | $1,337,835 | |
| 6 | MPWR |
Monolithic Power Systems, Inc.
This page
|
644 | $890,239 | |
| 7 | MU |
Micron Technology Inc
|
706 | $814,928 | |
| 8 | QCOM |
Qualcomm Inc/De
|
2,440 | $450,887 |
All Filings in MPWR
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $890,239 | 644 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $887,800 | 812 | Shares | Sole | 2026-05-01 | |
| 2025-12-31 | $853,791 | 942 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $890,258 | 967 | Shares | Sole | 2025-11-17 | |
| 2025-06-30 | $279,387 | 382 | Shares | Sole | 2025-09-03 | |
| 2024-12-31 | $255,022 | 431 | Shares | Sole | 2025-02-18 | |
| 2024-09-30 | $403,082 | 436 | Shares | Sole | 2024-11-29 | |
| 2024-06-30 | $355,787 | 433 | Shares | Sole | 2024-09-12 | |
| 2024-03-31 | $335,322 | 495 | Shares | Sole | 2024-06-11 | |
| 2023-12-31 | $386,668 | 613 | Shares | Sole | 2024-02-21 | |
| 2023-09-30 | $313,698 | 679 | Shares | Defined | 2023-11-15 | |
| 2023-06-30 | $454,333 | 841 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $379,409 | 758 | Shares | Defined | 2023-05-22 | |
| 2022-12-31 | $276,169 | 781 | Shares | Defined | 2023-02-16 | |
| 2022-09-30 | $216,586 | 596 | Shares | Defined | 2022-12-02 | |
| 2022-06-30 | $235,032 | 612 | Shares | Defined | 2022-10-03 | |
| No filing history on record for this holder in this stock. | ||||||