Campbell & CO Investment Adviser LLC

Position in TS — Tenaris SA

CIK 1353570 BALTIMORE, MD

Position in TS

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

Position Value

$2,584,668

+$196,787 QoQ

Shares Held

46,579

+13.5% QoQ

Ownership

0.009%

of shares outstanding

% of Portfolio

0.13%

of 13F equity value

Holder Rank

#63

of 284 holders

Holding Since

Jun 2021

17 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. TS ranks #3 (19.4% 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 This page	46,579	$2,584,668
4	EFXT	Enerflex Ltd.	34,198	$838,192
5	OIS	Oil States International, Inc	71,946	$576,287
6	TDW	Tidewater Inc	8,132	$541,835

17 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,584,668	46,579	+13.5%	Shares	Sole	2026-08-03
2026-03-31	$2,387,881	41,043	+9.3%	Shares	Sole	2026-05-15
2025-09-30	$1,343,628	37,563	-43.1%	Shares	Sole	2025-10-28
2025-06-30	$2,468,100	65,992	+3.4%	Shares	Sole	2025-08-07
2025-03-31	$2,495,921	63,818	-56.5%	Shares	Sole	2025-05-14
2024-12-31	$5,542,508	146,666	+1740.5%	Shares	Sole	2025-02-10
2024-06-30	$243,213	7,969	-88.8%	Shares	Sole	2024-08-13
2024-03-31	$2,788,601	71,011	-44.5%	Shares	Sole	2024-05-10
2023-09-30	$4,040,249	127,856	+362.0%	Shares	Sole	2023-11-08
2023-06-30	$828,866	27,675	-10.9%	Shares	Sole	2023-08-11
2023-03-31	$882,298	31,045	-13.0%	Shares	Sole	2023-05-11
2022-12-31	$1,254,543	35,681	-6.3%	Shares	Sole	2023-02-14
2022-06-30	$978,455	38,087	+182.8%	Shares	Sole	2022-08-09
2022-03-31	$405,012	13,469	-15.9%	Shares	Sole	2022-05-09
2021-12-31	$334,156	16,019	-52.2%	Shares	Sole	2022-02-10
2021-09-30	$707,586	33,519	+120.2%	Shares	Sole	2021-11-10
2021-06-30	$333,296	15,219	—	Shares	Sole	2021-08-11
No filing history on record for this holder in this stock.