WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Position in MRVL — Marvell Technology, Inc.
CIK 1644956
CHICAGO, IL
Position in MRVL
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$17,552,572
+$7,692,937 QoQ
Shares Held
58,923
-40.8% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#415
of 2,206 holders
Holding Since
Mar 2025
6 quarters on record
Voting authority
Sole 97%
Shared 0%
None 3%
Common Shares in MRVL Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Jun 30, 2026WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $6,354,141,039 across 17 Semiconductors names. MRVL ranks #13 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
4,936,408 | $2,357,480,368 | |
| 2 | NVDA |
Nvidia Corp
|
8,599,021 | $1,720,578,111 | |
| 3 | AVGO |
Broadcom Inc.
|
2,056,135 | $776,704,996 | |
| 4 | AMD |
Advanced Micro Devices Inc
|
763,517 | $443,534,660 | |
| 5 | POWI |
Power Integrations Inc
|
2,382,007 | $199,516,906 | |
| 6 | DIOD |
Diodes Inc /Del/
|
1,682,686 | $184,153,155 | |
| 7 | LSCC |
Lattice Semiconductor Corp
|
1,160,417 | $177,497,384 | |
| 8 | SYNA |
SYNAPTICS Inc
|
1,239,622 | $153,998,241 |
All Filings in MRVL
Export CSV
6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $17,552,572 | 58,923 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $9,859,635 | 99,542 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $9,214,296 | 108,429 | Shares | Sole | 2026-02-09 | |
| 2025-09-30 | $1,569,923 | 18,674 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $1,192,192 | 15,403 | Shares | Sole | 2025-07-29 | |
| 2025-03-31 | $915,053 | 14,862 | Shares | Sole | 2025-05-09 | |
| No filing history on record for this holder in this stock. | ||||||