BUFFALO BUSINESS & ESTATE SERVICES LTD
Position in MPWR — Monolithic Power Systems, Inc.
CIK 2103405
ORCHARD PARK, NY
Position in MPWR
as of Jun 30, 2026
· filed Jul 23, 2026
Position Value
$532,208
+$34,734 QoQ
Shares Held
385
-15.4% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
#185
of 374 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in MPWR Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Jun 30, 2026BUFFALO BUSINESS & ESTATE SERVICES LTD holds $115,292,456 across 10 Semiconductors names. MPWR ranks #6 (0.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
444,013 | $88,842,561 | |
| 2 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
24,224 | $11,568,655 | |
| 3 | AVGO |
Broadcom Inc.
|
29,650 | $11,200,287 | |
| 4 | AMD |
Advanced Micro Devices Inc
|
1,673 | $971,862 | |
| 5 | MRVL |
Marvell Technology, Inc.
|
1,921 | $572,246 | |
| 6 | MPWR |
Monolithic Power Systems, Inc.
This page
|
385 | $532,208 | |
| 7 | ALAB |
Astera Labs, Inc.
|
1,044 | $504,272 | |
| 8 | RMBS |
Rambus Inc
|
3,152 | $418,396 |
All Filings in MPWR
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $532,208 | 385 | Principal | Sole | 2026-07-23 | |
| 2026-03-31 | $497,474 | 455 | Shares | Sole | 2026-04-17 | |
| 2025-12-31 | $488,528 | 539 | Shares | Sole | 2026-01-21 | |
| No filing history on record for this holder in this stock. | ||||||