CASTLEARK MANAGEMENT LLC

Position in LBRT — Liberty Energy Inc.

CIK 1106832 CHICAGO, IL

Position in LBRT

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

Position Value

$7,625,923

+$6,127,549 QoQ

Shares Held

264,789

+237.4% QoQ

Ownership

0.162%

of shares outstanding

% of Portfolio

0.30%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2021

14 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Energy · as of Mar 31, 2026

CASTLEARK MANAGEMENT LLC holds $49,948,471 across 8 Oil & Gas Equipment & Services names. LBRT ranks #3 (15.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BKR	Baker Hughes Co	387,190	$23,637,949
2	FTI	TechnipFMC plc	135,176	$9,344,716
3	LBRT	Liberty Energy Inc. This page	264,789	$7,625,923
4	SEI	Solaris Energy Infrastructure, Inc.	94,256	$5,326,406
5	AROC	Archrock, Inc.	50,690	$1,764,012
6	KGS	Kodiak Gas Services, Inc.	15,320	$893,462
7	NEXT	NextDecade Corp	106,250	$813,875
8	USAC	USA Compression Partners, LP	19,990	$542,128

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$7,625,923	264,789	+237.4%	Shares	Sole	2026-05-15
2024-09-30	$1,498,374	78,490	0.0%	Shares	Sole	2024-11-15
2024-06-30	$1,639,656	78,490	0.0%	Shares	Sole	2024-08-14
2024-03-31	$1,626,312	78,490	0.0%	Shares	Sole	2024-05-16
2023-12-31	$1,423,808	78,490	0.0%	Shares	Sole	2024-02-15
2023-09-30	$1,453,634	78,490	+35.0%	Shares	Sole	2023-11-15
2023-06-30	$777,198	58,130	+96.5%	Shares	Sole	2023-08-16
2023-03-31	$379,047	29,590	0.0%	Shares	Sole	2023-05-16
2022-12-31	$473,735	29,590	0.0%	Shares	Sole	2023-02-10
2022-09-30	$375,201	29,590	-20.0%	Shares	Sole	2022-11-15
2022-06-30	$471,992	36,990	0.0%	Shares	Sole	2022-08-16
2022-03-31	$548,191	36,990	0.0%	Shares	Sole	2022-05-16
2021-12-31	$358,803	36,990	-78.2%	Shares	Sole	2022-02-16
2021-09-30	$2,062,100	170,000	—	Shares	Sole	2021-11-12
No filing history on record for this holder in this stock.