WESTFIELD CAPITAL MANAGEMENT CO LP

Position in LITE — Lumentum Holdings Inc.

CIK 1177719 BOSTON, MA

Position in LITE

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

Position Value

$46,169,634

+$16,494,672 QoQ

Shares Held

53,807

-90.5% QoQ

Ownership

0.060%

of shares outstanding

% of Portfolio

0.15%

of 13F equity value

Holder Rank

#156

of 1,305 holders

Holding Since

Mar 2020

14 quarters on record

Voting authority Sole 81% Shared 0% None 19%

Technology · as of Jun 30, 2026

WESTFIELD CAPITAL MANAGEMENT CO LP holds $93,420,638 across 3 Communication Equipment names. LITE ranks #1 (49.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LITE	Lumentum Holdings Inc. This page	53,807	$46,169,634
2	AAOI	Applied Optoelectronics, Inc.	249,553	$36,973,772
3	CIEN	Ciena Corp	20,950	$10,277,232

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$46,169,634	53,807	-90.5%	Shares	Sole	2026-08-12
2023-12-31	$29,674,962	566,100	-40.1%	Shares	Sole	2024-02-09
2023-06-30	$53,629,251	945,342	+51.7%	Shares	Sole	2023-08-11
2022-09-30	$42,717,395	622,975	+12.6%	Shares	Sole	2022-11-14
2022-06-30	$43,938,956	553,248	-24.5%	Shares	Sole	2022-08-12
2022-03-31	$71,480,483	732,382	-26.6%	Shares	Sole	2022-05-16
2021-12-31	$105,507,161	997,515	-6.7%	Shares	Sole	2022-02-10
2021-09-30	$89,298,412	1,068,930	+5.9%	Shares	Sole	2021-11-12
2021-06-30	$82,771,141	1,009,035	+30.6%	Shares	Sole	2021-08-10
2021-03-31	$70,582,034	772,655	+17.4%	Shares	Sole	2021-05-14
2020-12-31	$62,367,308	657,883	+4.1%	Shares	Sole	2021-02-12
2020-09-30	$47,478,628	631,953	+6.4%	Shares	Sole	2020-11-13
2020-06-30	$48,349,795	593,759	+220.3%	Shares	Sole	2020-08-13
2020-03-31	$13,663,685	185,396	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.