WESTFIELD CAPITAL MANAGEMENT CO LP
Position in TSM — Taiwan Semiconductor Manufacturing Co Ltd
CIK 1177719
BOSTON, MA
Position in TSM
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$166,779,676
+$31,185,478 QoQ
Shares Held
493,504
+10.6% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.70%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
10 quarters on record
Voting authority
Sole 66.70097912073662.ToString("F0")%
Shared 0.ToString("F0")%
None 33.29902087926339.ToString("F0")%
Common Shares in TSM Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Mar 31, 2026WESTFIELD CAPITAL MANAGEMENT CO LP holds $2,326,120,523 across 14 Semiconductors names. TSM ranks #3 (7.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
6,317,039 | $1,101,691,601 | |
| 2 | AVGO |
Broadcom Inc.
|
1,236,925 | $382,840,656 | |
| 3 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
This page
|
493,504 | $166,779,676 | |
| 4 | MRVL |
Marvell Technology, Inc.
|
1,673,381 | $165,748,388 | |
| 5 | SMTC |
Semtech Corp
|
1,280,594 | $98,464,872 | |
| 6 | ALAB |
Astera Labs, Inc.
|
860,113 | $94,268,384 | |
| 7 | CRDO |
Credo Technology Group Holding Ltd
|
926,219 | $86,944,177 | |
| 8 | MCHP |
Microchip Technology Inc
|
970,295 | $62,690,759 |
All Filings in TSM
Export CSV
10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $166,779,676 | 493,504 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $135,594,198 | 446,195 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $130,539,587 | 467,398 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $131,435,091 | 580,313 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $108,790,922 | 655,367 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $158,719,948 | 803,686 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $162,252,239 | 934,256 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $184,243,466 | 1,060,028 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $116,246,289 | 854,438 | Shares | Sole | 2024-05-10 | |
| 2020-03-31 | $4,412,928 | 92,340 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||