WESTFIELD CAPITAL MANAGEMENT CO LP
Position in AMD — Advanced Micro Devices Inc
CIK 1177719
BOSTON, MA
Position in AMD
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$234,153,783
+$233,132,565 QoQ
Shares Held
403,081
+7929.5% QoQ
Ownership
0.025%
of shares outstanding
% of Portfolio
0.77%
of 13F equity value
Holder Rank
#243
of 3,960 holders
Holding Since
Mar 2022
14 quarters on record
Voting authority
Sole 76%
Shared 0%
None 24%
Common Shares in AMD Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Jun 30, 2026WESTFIELD CAPITAL MANAGEMENT CO LP holds $3,892,895,572 across 19 Semiconductors names. AMD ranks #5 (6.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
8,079,926 | $1,616,712,393 | |
| 2 | AVGO |
Broadcom Inc.
|
1,556,522 | $587,976,185 | |
| 3 | MU |
Micron Technology Inc
|
228,203 | $263,412,440 | |
| 4 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
510,999 | $244,037,792 | |
| 5 | AMD |
Advanced Micro Devices Inc
This page
|
403,081 | $234,153,783 | |
| 6 | SMTC |
Semtech Corp
|
1,133,268 | $183,419,425 | |
| 7 | MCHP |
Microchip Technology Inc
|
1,639,111 | $149,486,923 | |
| 8 | ALAB |
Astera Labs, Inc.
|
249,299 | $120,416,402 |
All Filings in AMD
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $234,153,783 | 403,081 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $1,021,218 | 5,020 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $53,637,442 | 250,455 | Shares | Sole | 2026-02-11 | |
| 2024-09-30 | $56,629,914 | 345,136 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $121,034,126 | 746,157 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $55,970,490 | 310,103 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $64,549,512 | 437,891 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $53,144,162 | 516,866 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $42,777,989 | 375,542 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $11,818,437 | 120,584 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $64,747,978 | 999,660 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $55,258,536 | 872,136 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $55,931,381 | 731,416 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $45,756,493 | 418,479 | Shares | Sole | 2022-05-16 | |
| No filing history on record for this holder in this stock. | ||||||