WESTFIELD CAPITAL MANAGEMENT CO LP

Position in PODD — Insulet Corp

CIK 1177719 BOSTON, MA

Position in PODD

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

Position Value

$352,950

-$109,496,714 QoQ

Shares Held

1,682

-99.6% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

24 quarters on record

Voting authority Sole 55.05350772889417.ToString("F0")% Shared 0.ToString("F0")% None 44.946492271105825.ToString("F0")%

Healthcare · as of Mar 31, 2026

WESTFIELD CAPITAL MANAGEMENT CO LP holds $120,408,739 across 7 Medical Devices names. PODD ranks #6 (0.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MASI	Masimo Corp	341,229	$60,694,402
2	GKOS	GLAUKOS Corp	482,219	$51,915,697
3	MDT	Medtronic plc	60,349	$5,229,240
4	DXCM	Dexcom Inc	27,074	$1,700,247
5	BSX	Boston Scientific Corp	5,965	$374,303
6	PODD	Insulet Corp This page	1,682	$352,950
7	LUNG	Pulmonx Corp	110,000	$141,900

24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$352,950	1,682	-99.6%	Shares	Sole	2026-05-11
2025-12-31	$109,849,664	386,468	+91.9%	Shares	Sole	2026-02-11
2025-09-30	$62,174,208	201,387	-5.3%	Shares	Sole	2025-11-12
2025-06-30	$66,841,480	212,749	-60.5%	Shares	Sole	2025-08-12
2025-03-31	$141,349,044	538,247	-12.9%	Shares	Sole	2025-05-09
2024-12-31	$161,288,001	617,796	-18.2%	Shares	Sole	2025-02-11
2024-09-30	$175,696,458	754,872	+27.6%	Shares	Sole	2024-11-12
2024-06-30	$119,361,471	591,484	+26.3%	Shares	Sole	2024-08-14
2024-03-31	$80,270,048	468,320	-33.6%	Shares	Sole	2024-05-10
2023-12-31	$153,063,984	705,429	+10.7%	Shares	Sole	2024-02-09
2023-09-30	$101,636,756	637,261	+62.4%	Shares	Sole	2023-11-13
2023-06-30	$113,127,027	392,339	+14.6%	Shares	Sole	2023-08-11
2023-03-31	$109,228,808	342,453	+19.6%	Shares	Sole	2023-05-12
2022-12-31	$84,300,048	286,355	+1.3%	Shares	Sole	2023-02-13
2022-09-30	$64,876,384	282,809	+1.4%	Shares	Sole	2022-11-14
2022-06-30	$60,776,491	278,868	-19.8%	Shares	Sole	2022-08-12
2022-03-31	$92,589,971	347,573	+10.6%	Shares	Sole	2022-05-16
2021-12-31	$83,598,129	314,196	-20.9%	Shares	Sole	2022-02-10
2021-09-30	$112,954,138	397,404	-3.6%	Shares	Sole	2021-11-12
2021-06-30	$113,188,433	412,329	-28.8%	Shares	Sole	2021-08-10
2021-03-31	$151,145,215	579,278	+36.0%	Shares	Sole	2021-05-14
2020-12-31	$108,871,283	425,894	-2.5%	Shares	Sole	2021-02-12
2020-09-30	$103,315,540	436,686	+55.0%	Shares	Sole	2020-11-13
2020-06-30	$54,746,935	281,823	—	Shares	Sole	2020-08-13
No filing history on record for this holder in this stock.