CastleKnight Management LP

Position in NINE — Nine Energy Service, Inc.

CIK 1835751 New York, NY

Position in NINE

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

Position Value

$13,420,439

+$3,925,307 QoQ

Shares Held

1,031,548

-10.9% QoQ

Ownership

7.39%

of shares outstanding

% of Portfolio

0.50%

of 13F equity value

Holder Rank

of 28 holders

Holding Since

Dec 2021

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Energy · as of Jun 30, 2026

CastleKnight Management LP holds $15,424,874 across 3 Oil & Gas Equipment & Services names. NINE ranks #1 (87.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	NINE	Nine Energy Service, Inc. This page	1,031,548	$13,420,439
2	KLXE	KLX Energy Services Holdings, Inc.	691,727	$1,784,655
3	WTTR	Select Water Solutions, Inc.	11,000	$219,780

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$13,420,439	1,031,548	-10.9%	Shares	Sole	2026-08-14
2026-03-31	$9,495,132	1,157,943	+490.6%	Shares	Sole	2026-05-15
2025-09-30	—	196,047	0.0%	Shares	Sole	2025-11-14
2025-06-30	—	196,047	-50.5%	Shares	Sole	2025-08-14
2025-03-31	—	396,047	0.0%	Shares	Sole	2025-05-15
2024-12-31	—	396,047	0.0%	Shares	Sole	2025-02-14
2024-09-30	—	396,047	+61.6%	Shares	Sole	2024-11-14
2024-06-30	—	245,047	0.0%	Shares	Sole	2024-08-14
2024-03-31	—	245,047	0.0%	Shares	Sole	2024-05-15
2023-12-31	—	245,047	-29.9%	Shares	Sole	2024-02-14
2022-09-30	—	349,788	+68.8%	Shares	Sole	2022-11-14
2022-06-30	—	207,175	+333.6%	Shares	Sole	2022-08-15
2022-03-31	—	47,780	-59.8%	Shares	Sole	2022-05-16
2021-12-31	—	118,933	—	Shares	Sole	2022-02-14
No filing history on record for this holder in this stock.