CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in MPWR — Monolithic Power Systems, Inc.
CIK 884546
SAN FRANCISCO, CA
Position in MPWR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$411,508,512
+$80,339,070 QoQ
Shares Held
376,374
+3.0% QoQ
Ownership
0.766%
of shares outstanding
% of Portfolio
0.07%
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, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $57,727,617,867 across 47 Semiconductors names. MPWR ranks #9 (0.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
160,788,892 | $28,041,582,764 | |
| 2 | AVGO |
Broadcom Inc.
|
33,710,329 | $10,433,683,927 | |
| 3 | TXN |
Texas Instruments Inc
|
25,927,676 | $5,033,599,017 | |
| 4 | QCOM |
Qualcomm Inc/De
|
30,864,702 | $3,974,756,323 | |
| 5 | AMD |
Advanced Micro Devices Inc
|
11,900,631 | $2,420,945,364 | |
| 6 | MU |
Micron Technology Inc
|
6,984,665 | $2,359,699,223 | |
| 7 | INTC |
Intel Corp
|
35,281,668 | $1,556,980,008 | |
| 8 | ADI |
Analog Devices Inc
|
2,976,872 | $947,062,058 |
All Filings in MPWR
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $411,508,512 | 376,374 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $331,169,442 | 365,384 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $329,506,262 | 357,910 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $251,566,196 | 343,961 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $194,865,160 | 335,986 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $192,789,469 | 325,823 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $290,537,068 | 314,264 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $253,586,059 | 308,619 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $199,374,867 | 294,315 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $180,564,559 | 286,256 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $127,991,556 | 277,038 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $140,608,363 | 260,275 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $127,731,801 | 255,188 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $88,385,526 | 249,952 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $87,915,181 | 241,924 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $89,745,155 | 233,687 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $109,968,151 | 226,421 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $110,341,641 | 223,667 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $105,754,267 | 218,194 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $114,564,376 | 306,773 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $106,094,394 | 300,372 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $87,517,983 | 238,970 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $66,405,697 | 237,494 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $55,033,296 | 232,208 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $38,701,010 | 231,106 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||