PRICE T ROWE ASSOCIATES INC /MD/
Position in MPWR — Monolithic Power Systems, Inc.
CIK 80255
BALTIMORE, MD
Position in MPWR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$1,380,850,755
-$152,161,109 QoQ
Shares Held
1,262,954
-25.3% QoQ
Ownership
2.57%
of shares outstanding
% of Portfolio
0.16%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 95%
Shared 0%
None 5%
Common Shares in MPWR Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Mar 31, 2026PRICE T ROWE ASSOCIATES INC /MD/ holds $115,031,310,437 across 46 Semiconductors names. MPWR ranks #10 (1.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
370,102,688 | $64,545,908,787 | |
| 2 | AVGO |
Broadcom Inc.
|
84,470,754 | $26,144,543,069 | |
| 3 | AMD |
Advanced Micro Devices Inc
|
28,846,470 | $5,868,237,391 | |
| 4 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
8,160,104 | $2,757,707,145 | |
| 5 | ADI |
Analog Devices Inc
|
8,074,677 | $2,568,877,740 | |
| 6 | INTC |
Intel Corp
|
52,061,046 | $2,297,453,959 | |
| 7 | TXN |
Texas Instruments Inc
|
11,674,491 | $2,266,485,682 | |
| 8 | MU |
Micron Technology Inc
|
5,338,563 | $1,803,580,123 |
All Filings in MPWR
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,380,850,755 | 1,262,954 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $1,533,011,864 | 1,691,394 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $1,448,901,390 | 1,573,798 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $1,527,709,468 | 2,088,804 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $1,180,103,284 | 2,034,731 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $904,295,701 | 1,528,301 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $1,214,706,096 | 1,313,906 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $1,362,744,775 | 1,658,486 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $1,463,201,457 | 2,159,962 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $1,383,023,627 | 2,192,561 | Shares | Sole | 2024-02-16 | |
| 2023-09-30 | $838,362,756 | 1,814,638 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $1,307,497,058 | 2,420,260 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $1,668,999,073 | 3,334,397 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $1,291,187,465 | 3,651,445 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $633,653,674 | 1,743,681 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $563,153,567 | 1,466,393 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $731,005,710 | 1,505,118 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $807,036,080 | 1,635,895 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $735,617,253 | 1,517,738 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $151,453,020 | 405,551 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $321,969,281 | 911,552 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $673,055,662 | 1,837,795 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $260,647,688 | 932,183 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $187,400,640 | 790,720 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $142,823,117 | 852,879 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||