WESTFIELD CAPITAL MANAGEMENT CO LP

Position in PLTR — Palantir Technologies Inc.

CIK 1177719 BOSTON, MA

Position in PLTR

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

Position Value

$98,674,197

+$71,196,714 QoQ

Shares Held

674,557

+336.4% QoQ

Ownership

0.028%

of shares outstanding

% of Portfolio

0.41%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2024

8 quarters on record

Voting authority Sole 71.82298901353036.ToString("F0")% Shared 0.ToString("F0")% None 28.177010986469636.ToString("F0")%

Technology · as of Mar 31, 2026

WESTFIELD CAPITAL MANAGEMENT CO LP holds $1,510,266,224 across 13 Software - Infrastructure names. PLTR ranks #5 (6.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MSFT	Microsoft Corp	1,649,513	$610,600,227
2	IOT	Samsara Inc.	5,072,821	$160,757,697
3	NET	Cloudflare, Inc.	541,566	$111,746,728
4	PANW	Palo Alto Networks Inc	636,483	$102,040,954
5	PLTR	Palantir Technologies Inc. This page	674,557	$98,674,197
6	FFIV	F5, Inc.	298,542	$86,377,156
7	CALX	Calix, Inc	1,546,101	$75,743,487
8	ZS	Zscaler, Inc.	427,919	$60,032,756

8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$98,674,197	674,557	+336.4%	Shares	Sole	2026-05-11
2025-12-31	$27,477,483	154,585	-74.5%	Shares	Sole	2026-02-11
2025-09-30	$110,628,609	606,450	+8531.5%	Shares	Sole	2025-11-12
2025-06-30	$957,784	7,026	-99.6%	Shares	Sole	2025-08-12
2025-03-31	$160,228,082	1,898,437	-0.6%	Shares	Sole	2025-05-09
2024-12-31	$144,375,854	1,908,976	-34.6%	Shares	Sole	2025-02-11
2024-09-30	$108,587,172	2,919,010	-30.8%	Shares	Sole	2024-11-12
2024-06-30	$106,896,171	4,220,141	—	Shares	Sole	2024-08-14
No filing history on record for this holder in this stock.