Position in MPWR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$136,282,797
+$14,258,644 QoQ
Shares Held
124,647
-7.4% QoQ
Ownership
0.254%
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 80%
Shared 0%
None 20%
Common Shares in MPWR Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Mar 31, 2026ALLIANCEBERNSTEIN L.P. holds $34,309,645,892 across 45 Semiconductors names. MPWR ranks #16 (0.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
98,528,485 | $17,183,367,783 | |
| 2 | AVGO |
Broadcom Inc.
|
24,873,857 | $7,698,707,480 | |
| 3 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
8,482,882 | $2,866,789,971 | |
| 4 | TXN |
Texas Instruments Inc
|
7,631,442 | $1,481,568,149 | |
| 5 | QCOM |
Qualcomm Inc/De
|
6,301,487 | $811,505,495 | |
| 6 | MU |
Micron Technology Inc
|
1,720,961 | $581,409,464 | |
| 7 | NXPI |
NXP Semiconductors N.V.
|
2,697,003 | $530,932,010 | |
| 8 | AMD |
Advanced Micro Devices Inc
|
2,576,111 | $524,058,260 |
All Filings in MPWR
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $136,282,797 | 124,647 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $122,024,153 | 134,631 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $258,426,409 | 280,703 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $229,752,787 | 314,136 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $189,895,891 | 327,418 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $203,072,623 | 343,202 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $411,370,142 | 444,965 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $409,468,616 | 498,331 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $198,872,221 | 293,573 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $206,411,400 | 327,232 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $166,144,902 | 359,621 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $176,547,164 | 326,800 | Shares | Defined | 2023-08-15 | |
| 2023-03-31 | $226,321,663 | 452,155 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $187,687,701 | 530,776 | Shares | Defined | 2023-02-15 | |
| 2022-09-30 | $164,105,625 | 451,584 | Shares | Defined | 2022-11-15 | |
| 2022-06-30 | $198,075,542 | 515,768 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $292,614,914 | 602,485 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $308,131,451 | 624,595 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $305,826,294 | 630,986 | Shares | Defined | 2021-11-10 | |
| 2021-06-30 | $265,391,122 | 710,647 | Shares | Defined | 2021-07-30 | |
| 2021-03-31 | $230,788,826 | 653,404 | Shares | Defined | 2021-05-06 | |
| 2020-12-31 | $209,659,716 | 572,481 | Shares | Defined | 2021-02-08 | |
| 2020-09-30 | $76,681,085 | 274,243 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $119,949,729 | 506,117 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $86,691,865 | 517,687 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||