Artisan Partners Limited Partnership
Position in MPWR — Monolithic Power Systems, Inc.
CIK 1466153
Milwaukee, WI
Position in MPWR
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$164,956,994
+$25,502,632 QoQ
Shares Held
150,873
-1.9% QoQ
Ownership
0.307%
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%
Shared 0%
None 7%
Common Shares in MPWR Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Mar 31, 2026Artisan Partners Limited Partnership holds $3,342,336,425 across 16 Semiconductors names. MPWR ranks #8 (4.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AVGO |
Broadcom Inc.
|
2,054,574 | $635,911,198 | |
| 2 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
1,192,157 | $402,889,458 | |
| 3 | NVDA |
Nvidia Corp
|
2,098,045 | $365,899,048 | |
| 4 | AMD |
Advanced Micro Devices Inc
|
1,541,203 | $313,526,926 | |
| 5 | LSCC |
Lattice Semiconductor Corp
|
3,004,182 | $278,667,922 | |
| 6 | MTSI |
MACOM Technology Solutions Holdings, Inc.
|
1,047,159 | $232,542,599 | |
| 7 | ADI |
Analog Devices Inc
|
644,781 | $205,130,627 | |
| 8 | MPWR |
Monolithic Power Systems, Inc.
This page
|
150,873 | $164,956,994 |
All Filings in MPWR
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $164,956,994 | 150,873 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $139,454,362 | 153,862 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $177,452,439 | 192,749 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $151,868,862 | 207,647 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $198,268,482 | 341,854 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $212,288,350 | 358,777 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $238,170,614 | 257,621 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $295,064,466 | 359,099 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $262,301,088 | 387,206 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $447,822,261 | 709,950 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $362,250,504 | 784,092 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $464,959,213 | 860,669 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $406,590,644 | 812,304 | Shares | Sole | 2023-05-11 | |
| 2022-12-31 | $305,404,116 | 863,675 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $271,688,378 | 747,629 | Shares | Sole | 2022-11-10 | |
| 2022-06-30 | $296,827,588 | 772,908 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $383,210,262 | 789,018 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $313,885,159 | 636,258 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $217,174,929 | 448,079 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $172,550,705 | 462,045 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $163,537,289 | 463,003 | Shares | Sole | 2021-05-11 | |
| 2020-12-31 | $165,763,022 | 452,620 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $123,714,562 | 442,454 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $101,896,491 | 429,943 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $69,325,258 | 413,981 | Shares | Sole | 2020-05-12 | |
| No filing history on record for this holder in this stock. | ||||||