Campbell & CO Investment Adviser LLC

CIK

1353570

City

BALTIMORE

State / Country

MD

Stock

TS — Tenaris SA

Top Portfolio Positions

1,006 positions · $1,748,549,576 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio	Open
BNS	Bank Of Nova Scotia Financial Services	228,543	$15,840,315	0.91%
SHEL	Shell plc Energy	161,817	$15,048,981	0.86%
ITW	Illinois Tool Works Inc Industrials	51,126	$13,307,586	0.76%
WMB	Williams Companies, Inc. Energy	166,791	$12,139,048	0.69%
GOOGL	Alphabet Inc. Communication Services	41,758	$12,007,929	0.69%
PSX	Phillips 66 Energy	64,718	$11,790,325	0.67%
MUR	Murphy Oil Corp Energy	273,227	$11,270,613	0.64%
TDY	Teledyne Technologies Inc Technology	17,273	$10,450,337	0.60%
NDSN	Nordson Corp Industrials	38,309	$10,192,492	0.58%
A	Agilent Technologies, Inc. Healthcare	89,159	$10,162,342	0.58%

Portfolio Trend

25 quarters · across all stocks

Holdings in TS

Compact Export CSV

Shares Held

Position Value (USD)

16 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
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 13F history on record for this holder in this stock.