Position in MPWR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$4,811,648,571
+$1,207,047,602 QoQ
Shares Held
4,400,831
+10.7% QoQ
Ownership
8.96%
of shares outstanding
% of Portfolio
0.27%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 93.9898396461941.ToString("F0")%
Shared 0.ToString("F0")%
None 6.010160353805906.ToString("F0")%
Common Shares in MPWR Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Mar 31, 2026FMR LLC holds $291,582,319,209 across 56 Semiconductors names. MPWR ranks #7 (1.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
993,852,968 | $173,327,957,617 | |
| 2 | AVGO |
Broadcom Inc.
|
124,112,876 | $38,414,176,247 | |
| 3 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
60,393,190 | $20,409,878,557 | |
| 4 | MRVL |
Marvell Technology, Inc.
|
131,255,670 | $13,000,874,111 | |
| 5 | MU |
Micron Technology Inc
|
32,054,565 | $10,829,314,237 | |
| 6 | NXPI |
NXP Semiconductors N.V.
|
25,141,418 | $4,949,339,546 | |
| 7 | MPWR |
Monolithic Power Systems Inc
This page
|
4,400,831 | $4,811,648,571 | |
| 8 | ON |
On Semiconductor Corp
|
58,158,341 | $3,601,164,472 |
All Filings in MPWR
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $7,154,069,648 | 5,175,258 | Shares | Sole | 2026-07-08 | |
| 2026-03-31 | $4,811,648,571 | 4,400,831 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $3,604,600,969 | 3,977,008 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $3,281,893,787 | 3,564,796 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $2,481,355,850 | 3,392,704 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $2,029,181,245 | 3,498,709 | Shares | Defined | 2025-05-12 | |
| 2024-12-31 | $1,845,007,578 | 3,118,147 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $3,253,663,110 | 3,519,376 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $2,594,832,570 | 3,157,960 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $1,903,123,423 | 2,809,370 | Shares | Defined | 2024-05-13 | |
| 2023-12-31 | $1,594,690,684 | 2,528,125 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $1,655,716,986 | 3,583,803 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $1,434,199,360 | 2,654,794 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $879,523,359 | 1,757,149 | Shares | Defined | 2023-08-11 | |
| 2022-12-31 | $517,622,449 | 1,463,823 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $461,880,672 | 1,270,998 | Shares | Defined | 2022-11-10 | |
| 2022-06-30 | $305,649,369 | 795,879 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $170,970,043 | 352,022 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $171,146,042 | 346,920 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $143,820,064 | 296,732 | Shares | Defined | 2022-02-14 | |
| 2021-06-30 | $87,094,888 | 233,217 | Shares | Defined | 2021-08-13 | |
| 2021-03-31 | $130,217,929 | 368,670 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $62,921,243 | 171,808 | Shares | Defined | 2021-02-08 | |
| 2020-09-30 | $50,230,258 | 179,644 | Shares | Defined | 2020-11-13 | |
| 2020-06-30 | $68,822,904 | 290,392 | Shares | Defined | 2020-08-24 | |
| 2020-03-31 | $34,442,166 | 205,674 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||