WESTFIELD CAPITAL MANAGEMENT CO LP

Position in LSCC — Lattice Semiconductor Corp

CIK 1177719 BOSTON, MA

Position in LSCC

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$58,400,586

+$6,137,562 QoQ

Shares Held

381,803

-32.2% QoQ

Ownership

0.269%

of shares outstanding

% of Portfolio

0.19%

of 13F equity value

Holder Rank

#63

of 603 holders

Holding Since

Jun 2022

8 quarters on record

Voting authority Sole 95% Shared 0% None 5%

Technology · as of Jun 30, 2026

WESTFIELD CAPITAL MANAGEMENT CO LP holds $3,892,895,572 across 19 Semiconductors names. LSCC ranks #12 (1.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
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	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

8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$58,400,586	381,803	-32.2%	Shares	Sole	2026-08-12
2026-03-31	$52,263,024	563,422	-16.9%	Shares	Sole	2026-05-11
2025-12-31	$49,897,982	678,146	-2.7%	Shares	Sole	2026-02-11
2025-09-30	$51,082,483	696,706	+0.9%	Shares	Sole	2025-11-12
2024-12-31	$39,101,076	690,222	-4.1%	Shares	Sole	2025-02-11
2024-09-30	$38,194,160	719,694	+62.8%	Shares	Sole	2024-11-12
2023-12-31	$30,494,821	442,018	-31.2%	Shares	Sole	2024-02-09
2022-06-30	$31,148,349	642,234	—	Shares	Sole	2022-08-12
No filing history on record for this holder in this stock.