WESTFIELD CAPITAL MANAGEMENT CO LP

Position in RRX — Regal Rexnord Corp

CIK 1177719 BOSTON, MA

Position in RRX

as of Mar 31, 2026 · filed May 11, 2026 Compact

Position Value

$127,658,325

+$2,338,533 QoQ

Shares Held

681,717

-23.7% QoQ

Ownership

1.02%

of shares outstanding

% of Portfolio

0.54%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2023

10 quarters on record

Voting authority Sole 90.60445903505413.ToString("F0")% Shared 0.ToString("F0")% None 9.395540964945864.ToString("F0")%

Industrials · as of Mar 31, 2026

WESTFIELD CAPITAL MANAGEMENT CO LP holds $810,946,402 across 8 Specialty Industrial Machinery names. RRX ranks #4 (15.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	GEV	GE Vernova Inc.	199,306	$173,974,207
2	AME	Ametek Inc/	745,832	$159,876,547
3	ITT	Itt Inc.	703,309	$134,001,463
4	RRX	Regal Rexnord Corp This page	681,717	$127,658,325
5	IEX	Idex Corp /De/	426,019	$80,751,901
6	ROK	Rockwell Automation, Inc	206,277	$74,028,689
7	PH	Parker-Hannifin Corp	58,489	$52,361,692
8	CMI	Cummins Inc	15,415	$8,293,578

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$127,658,325	681,717	-23.7%	Shares	Sole	2026-05-11
2025-12-31	$125,319,792	893,100	-26.9%	Shares	Sole	2026-02-11
2025-09-30	$175,244,951	1,221,730	+40.4%	Shares	Sole	2025-11-12
2025-06-30	$126,134,189	870,131	-13.1%	Shares	Sole	2025-08-12
2025-03-31	$113,984,001	1,001,177	-12.1%	Shares	Sole	2025-05-09
2024-12-31	$176,659,096	1,138,781	+16.3%	Shares	Sole	2025-02-11
2024-09-30	$162,482,943	979,521	+68.9%	Shares	Sole	2024-11-12
2024-06-30	$78,410,291	579,872	+91.7%	Shares	Sole	2024-08-14
2024-03-31	$54,486,013	302,532	+18.6%	Shares	Sole	2024-05-10
2023-12-31	$37,767,747	255,153	—	Shares	Sole	2024-02-09
No filing history on record for this holder in this stock.