ZEVENBERGEN CAPITAL INVESTMENTS LLC
Position in MPWR — Monolithic Power Systems, Inc.
CIK 1276918
EDMONDS, WA
Position in MPWR
as of Jun 30, 2026
· filed Jul 16, 2026
Position Value
$108,659,025
+$19,101,634 QoQ
Shares Held
78,604
-4.0% QoQ
Ownership
0.160%
of shares outstanding
% of Portfolio
6.08%
of 13F equity value
Holder Rank
#5
of 374 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 86%
Shared 0%
None 14%
Common Shares in MPWR Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Jun 30, 2026ZEVENBERGEN CAPITAL INVESTMENTS LLC holds $670,209,741 across 7 Semiconductors names. MPWR ranks #3 (16.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AMD |
Advanced Micro Devices Inc
|
411,585 | $239,093,842 | |
| 2 | MU |
Micron Technology Inc
|
173,965 | $200,806,059 | |
| 3 | MPWR |
Monolithic Power Systems, Inc.
This page
|
78,604 | $108,659,025 | |
| 4 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
108,665 | $51,895,143 | |
| 5 | MRVL |
Marvell Technology, Inc.
|
89,657 | $26,707,923 | |
| 6 | ARM |
Arm Holdings PLC /Uk
|
60,965 | $21,616,360 | |
| 7 | QCOM |
Qualcomm Inc/De
|
115,977 | $21,431,389 |
All Filings in MPWR
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $108,659,025 | 78,604 | Shares | Sole | 2026-07-16 | |
| 2026-03-31 | $89,557,391 | 81,911 | Shares | Sole | 2026-04-09 | |
| 2025-12-31 | $73,757,764 | 81,378 | Shares | Sole | 2026-01-15 | |
| 2025-09-30 | $68,742,347 | 74,668 | Shares | Sole | 2025-10-09 | |
| 2025-06-30 | $31,030,990 | 42,428 | Shares | Sole | 2025-07-07 | |
| 2025-03-31 | $24,755,286 | 42,683 | Shares | Sole | 2025-05-12 | |
| 2024-12-31 | $25,391,622 | 42,913 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $39,682,313 | 42,923 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $42,709,283 | 51,978 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $35,813,840 | 52,868 | Shares | Sole | 2024-05-07 | |
| 2023-12-31 | $33,505,772 | 53,118 | Shares | Sole | 2024-02-08 | |
| 2023-09-30 | $23,819,796 | 51,558 | Shares | Sole | 2023-11-01 | |
| 2023-06-30 | $27,934,212 | 51,708 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $24,901,865 | 49,750 | Shares | Sole | 2023-05-11 | |
| 2022-12-31 | $17,590,329 | 49,745 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $18,279,020 | 50,300 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $5,409,203 | 14,085 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $6,670,814 | 13,735 | Shares | Sole | 2022-05-12 | |
| 2021-12-31 | $7,358,016 | 14,915 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $7,216,885 | 14,890 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $5,598,015 | 14,990 | Shares | Sole | 2021-08-11 | |
| 2021-03-31 | $5,374,090 | 15,215 | Shares | Sole | 2021-05-12 | |
| 2020-12-31 | $5,348,789 | 14,605 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $3,630,735 | 12,985 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $3,288,375 | 13,875 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $3,286,402 | 19,625 | Shares | Sole | 2020-05-12 | |
| No filing history on record for this holder in this stock. | ||||||