CASTLEARK MANAGEMENT LLC

Position in LITE — Lumentum Holdings Inc.

CIK 1106832 CHICAGO, IL

Position in LITE

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$541,125

-$10,941,559 QoQ

Shares Held

770

-97.5% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2021

11 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

CASTLEARK MANAGEMENT LLC holds $3,450,741 across 2 Communication Equipment names.

#	Ticker	Company	Shares	Value (USD)	Open
1	EXTR	Extreme Networks Inc	77,040	$2,493,784
2	VIAV	Viavi Solutions Inc.	20,041	$956,957

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$541,125	770	-97.5%	Shares	Sole	2026-05-15
2025-12-31	$11,482,684	31,153	-52.7%	Shares	Sole	2026-02-13
2025-09-30	$10,710,060	65,823	+3.9%	Shares	Sole	2025-11-17
2025-06-30	$6,023,952	63,370	-34.1%	Shares	Sole	2025-08-18
2025-03-31	$5,991,497	96,110	+2.3%	Shares	Sole	2025-05-15
2024-12-31	$7,886,263	93,940	-4.0%	Shares	Sole	2025-02-18
2024-09-30	$6,204,902	97,900	+55.6%	Shares	Sole	2024-11-15
2022-09-30	$4,313,053	62,900	-2.2%	Shares	Sole	2022-11-15
2022-06-30	$5,106,706	64,300	-4.4%	Shares	Sole	2022-08-16
2022-03-31	$6,563,600	67,250	+82.5%	Shares	Sole	2022-05-16
2021-12-31	$3,897,624	36,850	—	Shares	Sole	2022-02-16
No filing history on record for this holder in this stock.