CASTLEARK MANAGEMENT LLC

Position in VRT — Vertiv Holdings Co

CIK 1106832 CHICAGO, IL

Position in VRT

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$41,484,532

+$13,328,612 QoQ

Shares Held

123,901

+10.3% QoQ

Ownership

0.032%

of shares outstanding

% of Portfolio

1.27%

of 13F equity value

Holder Rank

#218

of 2,035 holders

Holding Since

Dec 2022

6 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

CASTLEARK MANAGEMENT LLC holds $48,316,579 across 4 Electrical Equipment & Parts names. VRT ranks #1 (85.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRT	Vertiv Holdings Co This page	123,901	$41,484,532
2	AEIS	Advanced Energy Industries Inc	16,193	$6,037,883
3	BE	Bloom Energy Corp	1,460	$441,942
4	POWL	Powell Industries Inc	1,230	$352,222

6 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$41,484,532	123,901	+10.3%	Shares	Sole	2026-08-14
2026-03-31	$28,155,920	112,363	-9.9%	Shares	Sole	2026-05-15
2025-12-31	$20,208,641	124,737	+2.1%	Shares	Sole	2026-02-13
2025-09-30	$18,435,242	122,201	-52.7%	Shares	Sole	2025-11-17
2023-03-31	$3,696,988	258,350	0.0%	Shares	Sole	2023-05-16
2022-12-31	$3,529,061	258,350	—	Shares	Sole	2023-02-10
No filing history on record for this holder in this stock.