Position in MPWR
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$169,787,414
+$18,703,547 QoQ
Shares Held
155,291
-6.8% QoQ
Ownership
0.316%
of shares outstanding
% of Portfolio
0.20%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MPWR Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Mar 31, 2026SEI INVESTMENTS CO holds $8,444,490,342 across 50 Semiconductors names. MPWR ranks #8 (2.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
21,684,924 | $3,781,850,745 | |
| 2 | AVGO |
Broadcom Inc.
|
5,075,086 | $1,570,789,866 | |
| 3 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
2,591,510 | $875,800,803 | |
| 4 | AMD |
Advanced Micro Devices Inc
|
1,744,530 | $354,889,737 | |
| 5 | MU |
Micron Technology Inc
|
802,106 | $270,983,490 | |
| 6 | ADI |
Analog Devices Inc
|
643,745 | $204,801,033 | |
| 7 | QCOM |
Qualcomm Inc/De
|
1,429,355 | $184,072,336 | |
| 8 | MPWR |
Monolithic Power Systems, Inc.
This page
|
155,291 | $169,787,414 |
All Filings in MPWR
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $169,787,414 | 155,291 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $151,083,867 | 166,693 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $183,838,919 | 199,686 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $145,900,801 | 199,487 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $116,253,510 | 200,444 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $117,402,746 | 198,416 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $182,233,741 | 197,116 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $172,938,167 | 210,469 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $170,726,775 | 252,025 | Shares | Sole | 2024-05-07 | |
| 2023-12-31 | $167,366,749 | 265,333 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $132,699,336 | 287,228 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $154,142,744 | 285,328 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $119,091,478 | 237,926 | Shares | Defined | 2023-05-12 | |
| 2022-12-31 | $76,719,577 | 216,961 | Shares | Defined | 2023-02-10 | |
| 2022-09-30 | $74,427,226 | 204,808 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $76,942,413 | 200,350 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $81,745,286 | 168,311 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $76,622,041 | 155,316 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $70,955,212 | 146,396 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $17,165,255 | 45,964 | Shares | Sole | 2021-08-06 | |
| 2021-03-31 | $20,056,676 | 56,784 | Shares | Defined | 2021-05-12 | |
| 2020-12-31 | $18,286,595 | 49,932 | Shares | Defined | 2021-02-08 | |
| 2020-09-30 | $14,518,188 | 51,923 | Shares | Defined | 2020-12-04 | |
| 2020-06-30 | $11,093,259 | 46,807 | Shares | Defined | 2020-08-17 | |
| 2020-03-31 | $8,097,862 | 48,357 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||