WESTFIELD CAPITAL MANAGEMENT CO LP

Position in ST — Sensata Technologies Holding plc

CIK 1177719 BOSTON, MA

Position in ST

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

Position Value

$63,678,142

+$1,561,953 QoQ

Shares Held

1,333,853

-23.0% QoQ

Ownership

0.917%

of shares outstanding

% of Portfolio

0.21%

of 13F equity value

Holder Rank

#29

of 464 holders

Holding Since

Sep 2020

18 quarters on record

Voting authority Sole 95% Shared 0% None 5%

Technology · as of Jun 30, 2026

WESTFIELD CAPITAL MANAGEMENT CO LP holds $843,296,253 across 5 Scientific & Technical Instruments names. ST ranks #4 (7.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MKSI	Mks Inc	928,617	$413,048,841
2	GRMN	Garmin Ltd	861,057	$204,535,479
3	COHR	Coherent Corp.	291,040	$114,806,548
4	ST	Sensata Technologies Holding plc This page	1,333,853	$63,678,142
5	KEYS	Keysight Technologies, Inc.	134,908	$47,227,243

18 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$63,678,142	1,333,853	-23.0%	Shares	Sole	2026-08-12
2024-09-30	$62,116,189	1,732,186	-21.0%	Shares	Sole	2024-11-12
2024-06-30	$81,933,716	2,191,327	+77.7%	Shares	Sole	2024-08-14
2024-03-31	$45,316,475	1,233,437	-17.2%	Shares	Sole	2024-05-10
2023-12-31	$55,969,118	1,489,729	+67.6%	Shares	Sole	2024-02-09
2023-09-30	$33,616,458	888,854	+61.8%	Shares	Sole	2023-11-13
2023-06-30	$24,716,921	549,387	-22.1%	Shares	Sole	2023-08-11
2023-03-31	$35,278,005	705,278	+12.6%	Shares	Sole	2023-05-12
2022-12-31	$25,282,200	626,107	-61.9%	Shares	Sole	2023-02-13
2022-09-30	$61,336,224	1,645,285	+69.9%	Shares	Sole	2022-11-14
2022-06-30	$40,009,974	968,530	+46.9%	Shares	Sole	2022-08-12
2022-03-31	$33,516,099	659,117	-24.4%	Shares	Sole	2022-05-16
2021-12-31	$53,780,354	871,784	+5.0%	Shares	Sole	2022-02-10
2021-09-30	$45,420,828	830,059	-10.3%	Shares	Sole	2021-11-12
2021-06-30	$53,630,017	925,134	-17.0%	Shares	Sole	2021-08-10
2021-03-31	$64,558,849	1,114,044	-5.0%	Shares	Sole	2021-05-14
2020-12-31	$61,875,306	1,173,214	-11.1%	Shares	Sole	2021-02-12
2020-09-30	$56,926,810	1,319,583	—	Shares	Sole	2020-11-13
No filing history on record for this holder in this stock.