Campbell & CO Investment Adviser LLC

Position in OIS — Oil States International, Inc

CIK 1353570 BALTIMORE, MD

Position in OIS

as of Jun 30, 2026 · filed Aug 3, 2026 Compact

Position Value

$576,287

-$936,296 QoQ

Shares Held

71,946

-44.6% QoQ

Ownership

0.119%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

#78

of 200 holders

Holding Since

Mar 2021

19 quarters on record

Voting authority Sole 0% Shared 0% None 100%

Energy · as of Jun 30, 2026

Campbell & CO Investment Adviser LLC holds $13,340,259 across 6 Oil & Gas Equipment & Services names. OIS ranks #5 (4.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	HAL	Halliburton Co	171,396	$5,818,894
2	FTI	TechnipFMC plc	44,953	$2,980,383
3	TS	Tenaris SA	46,579	$2,584,668
4	EFXT	Enerflex Ltd.	34,198	$838,192
5	OIS	Oil States International, Inc This page	71,946	$576,287
6	TDW	Tidewater Inc	8,132	$541,835

19 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$576,287	71,946	-44.6%	Shares	Sole	2026-08-03
2026-03-31	$1,512,583	129,947	-21.1%	Shares	Sole	2026-05-15
2025-12-31	$1,115,086	164,710	+0.6%	Shares	Sole	2026-02-12
2025-09-30	$991,937	163,686	-35.1%	Shares	Sole	2025-10-28
2025-06-30	$1,351,636	252,171	+454.3%	Shares	Sole	2025-08-07
2025-03-31	$234,288	45,493	+269.8%	Shares	Sole	2025-05-14
2024-09-30	$56,584	12,301	-53.7%	Shares	Sole	2024-11-12
2024-06-30	$118,028	26,583	-87.8%	Shares	Sole	2024-08-13
2024-03-31	$1,343,933	218,171	+1089.3%	Shares	Sole	2024-05-10
2023-12-31	$124,555	18,344	-6.2%	Shares	Sole	2024-02-13
2023-09-30	$163,625	19,549	-81.7%	Shares	Sole	2023-11-08
2023-06-30	$800,081	107,106	+257.5%	Shares	Sole	2023-08-11
2022-09-30	$116,552	29,962	+39.2%	Shares	Sole	2022-11-14
2022-06-30	$116,698	21,531	-43.9%	Shares	Sole	2022-08-09
2022-03-31	$266,699	38,374	+8.1%	Shares	Sole	2022-05-09
2021-12-31	$176,435	35,500	-42.0%	Shares	Sole	2022-02-10
2021-09-30	$391,068	61,200	+63.2%	Shares	Sole	2021-11-10
2021-06-30	$294,375	37,500	+82.9%	Shares	Sole	2021-08-11
2021-03-31	$123,615	20,500	—	Shares	Sole	2021-05-14
No filing history on record for this holder in this stock.