WELLINGTON MANAGEMENT GROUP LLP
Position in MPWR — Monolithic Power Systems, Inc.
CIK 902219
Boston, MA
Position in MPWR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$273,896,201
-$74,843,935 QoQ
Shares Held
250,511
-34.9% QoQ
Ownership
0.510%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 0%
Shared 97%
None 3%
Common Shares in MPWR Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Mar 31, 2026WELLINGTON MANAGEMENT GROUP LLP holds $53,826,742,414 across 36 Semiconductors names. MPWR ranks #12 (0.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
133,855,881 | $23,344,465,642 | |
| 2 | AVGO |
Broadcom Inc.
|
49,687,982 | $15,378,927,305 | |
| 3 | NXPI |
NXP Semiconductors N.V.
|
13,643,966 | $2,685,951,141 | |
| 4 | TXN |
Texas Instruments Inc
|
13,466,394 | $2,614,365,728 | |
| 5 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
7,597,163 | $2,567,461,231 | |
| 6 | AMD |
Advanced Micro Devices Inc
|
6,968,977 | $1,417,698,985 | |
| 7 | MU |
Micron Technology Inc
|
3,919,727 | $1,324,240,566 | |
| 8 | QCOM |
Qualcomm Inc/De
|
8,352,722 | $1,075,663,537 |
All Filings in MPWR
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $273,896,201 | 250,511 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $348,740,136 | 384,770 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $416,992,839 | 452,938 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $514,270,578 | 703,151 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $441,890,240 | 761,906 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $504,737,257 | 853,029 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $1,020,856,011 | 1,104,225 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $907,113,354 | 1,103,974 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $646,012,774 | 953,637 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $592,251,325 | 938,919 | Shares | Defined | 2024-02-12 | |
| 2023-09-30 | $394,198,266 | 853,243 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $457,055,646 | 846,039 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $170,198,113 | 340,029 | Shares | Defined | 2023-05-12 | |
| 2022-12-31 | $101,177,720 | 286,128 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $72,369,291 | 199,145 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $76,364,432 | 198,845 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $96,876,160 | 199,465 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $95,166,808 | 192,907 | Shares | Defined | 2022-02-11 | |
| 2021-09-30 | $95,995,233 | 198,059 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $74,455,098 | 199,371 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $105,167,216 | 297,747 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $105,530,637 | 288,154 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $396,321,449 | 1,417,408 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $475,155,375 | 2,004,875 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $346,684,900 | 2,070,255 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||