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TGS · NYSE · Oil & Gas Midstream

Transportadora de Gas del Sur (ADR)

Moves Argentine gas, processes liquids, and provides Vaca Muerta midstream infrastructure.

$28.15

After-hours close−0.02 (−0.07%)

At close$28.17(−1.33%)

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Breakdown13F · Form 4

Institutions 6.80%Insiders —

Shares outstanding 150.55M · Float 134.41M · 89.3% free float

Insiders — filings are in the shares behind the receipt.

This listing is a depositary receipt and the Form 4 positions here are filed in the shares behind it, a different unit from the share count and in a ratio the filings never state, so no insider percentage is shown.

Top shareholders13F · 13D/G · Form 4

Holder	Shares	% outstanding	Form	Filed
Helikon Investments Ltd	2.35M	1.56%	13F	May 8, 2026
Mirae Asset Global Etfs Holdings Ltd.	1.14M	0.76%	13F	May 15, 2026
SPX Gestao de Recursos Ltda	1.03M	0.68%	13F	May 6, 2026
North of South Capital LLP	641.0K	0.43%	13F	Apr 20, 2026
TT International Asset Management Ltd	608.5K	0.40%	13F	Apr 24, 2026

Institutions13F, as of Mar 31, 2026

86 holders · 10.23M shares · 21 new positions · 51 increased · 17 reduced · 11 closed

Holder	Shares	% outstanding	Chg q/q	Filed
Helikon Investments Ltd	2.35M	1.56%	−935.9K	May 8, 2026
Mirae Asset Global Etfs Holdings Ltd.	1.14M	0.76%	+34.0K	May 15, 2026
SPX Gestao de Recursos Ltda	1.03M	0.68%	−181.7K	May 6, 2026
North of South Capital LLP	641.0K	0.43%	+641.0Knew	Apr 20, 2026
TT International Asset Management Ltd	608.5K	0.40%	+221.2K	Apr 24, 2026
Morgan Stanley	591.1K	0.39%	+103.6K	May 15, 2026
Fundamenta Capital S.A.	570.0K	0.38%	−27.1K	Jul 28, 2026
Vennlight Capital Management, LP	274.0K	0.18%	+274.0Knew	May 15, 2026

Beneficial owners13D/G · 5% or more, as filed

No 13D/G filer at 5% or more on record.

InsidersForm 4

Insider	Role	Shares	Filed
Luis Alberto Fallo	director	6.0K	Jun 17, 2026
Horacio Turri	director	6.0K	Apr 9, 2026
Carlos Alberto Olivieri	director	1.6K	Mar 18, 2026

2 positions are filed in the unlisted share unit (90.3K shares), which no share count here divides

Latest trades

Date	Insider	Type	Shares	Avg price	Owned after
Jun 9, 2026	Luis Alberto Fallodirector	Purchase	4,680	$29.26	6,016

CongressHouse and Senate disclosures

Not reported.