Position in MPWR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$68,874,489
+$9,755,346 QoQ
Shares Held
62,994
-3.4% QoQ
Ownership
0.128%
of shares outstanding
% of Portfolio
0.21%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2021
20 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in MPWR Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Mar 31, 2026BAMCO INC /NY/ holds $1,073,180,373 across 11 Semiconductors names. MPWR ranks #5 (6.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
2,919,758 | $509,205,795 | |
| 2 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
636,267 | $215,026,432 | |
| 3 | AVGO |
Broadcom Inc.
|
523,219 | $161,941,512 | |
| 4 | INDI |
indie Semiconductor, Inc.
|
23,337,826 | $75,147,799 | |
| 5 | MPWR |
Monolithic Power Systems, Inc.
This page
|
62,994 | $68,874,489 | |
| 6 | SITM |
SITIME Corp
|
116,961 | $40,392,481 | |
| 7 | MU |
Micron Technology Inc
|
3,347 | $1,130,750 | |
| 8 | LSCC |
Lattice Semiconductor Corp
|
7,292 | $676,405 |
All Filings in MPWR
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $68,874,489 | 62,994 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $59,119,143 | 65,227 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $44,371,165 | 48,196 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $37,315,007 | 51,020 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $28,885,903 | 49,805 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $5,031,225 | 8,503 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $25,807,417 | 27,915 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $24,191,902 | 29,442 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $21,430,859 | 31,636 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $22,514,430 | 35,693 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $16,158,912 | 34,976 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $17,827,590 | 33,000 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $16,298,082 | 32,561 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $11,471,462 | 32,441 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $9,710,774 | 26,722 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $3,181,387 | 8,284 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $1,050,040 | 2,162 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $1,030,073 | 2,088 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $954,334 | 1,969 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $440,671 | 1,180 | Shares | Defined | 2021-08-13 | |
| No filing history on record for this holder in this stock. | ||||||