# Gas Transporter of the South Inc: overview TGS · NYSE · CIK 931427 · [Utilities](/sectors/utilities.md) · fiscal year ends Dec 31 Pages: [Overview](/companies/tgs.md) · [Financials](/companies/tgs/financials.md) · [Filings](/companies/tgs/filings.md) · [Insiders](/companies/tgs/insiders.md) Revenue is not reported in this company’s XBRL financial statements. ## Last eight quarters Not reported. ## Last five fiscal years | Line item | Unit | FY2020 (2020-12-31) | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | | --- | --- | ---: | ---: | ---: | ---: | ---: | | Revenue | $bn | [164](/filings/0001140361-23-020256.md) | [540](/filings/0001140361-24-021683.md) | [1,116](/filings/0001140361-25-015473.md) | [986](/filings/0001140361-25-015473.md) | [1,220](/filings/0001140361-25-015473.md) | | Gross margin | % | [50.7%](/filings/0001140361-23-020256.md) | [46.4%](/filings/0001140361-24-021683.md) | [41.6%](/filings/0001140361-25-015473.md) | [37.1%](/filings/0001140361-25-015473.md) | [52.8%](/filings/0001140361-25-015473.md) | | Operating margin | % | [36.9%](/filings/0001140361-23-020256.md) | [38.3%](/filings/0001140361-24-021683.md) | [31.9%](/filings/0001140361-25-015473.md) | [25.7%](/filings/0001140361-25-015473.md) | [45.9%](/filings/0001140361-25-015473.md) | | Net margin | % | [5.9%](/filings/0001140361-23-020256.md) | [23.5%](/filings/0001140361-24-021683.md) | [19.6%](/filings/0001140361-25-015473.md) | [5.2%](/filings/0001140361-25-015473.md) | [30.3%](/filings/0001140361-25-015473.md) | | Diluted EPS | $ per share | [12.68](/filings/0001140361-23-020256.md) | [168.67](/filings/0001140361-24-021683.md) | [291.14](/filings/0001140361-25-015473.md) | [68.03](/filings/0001140361-25-015473.md) | [491.74](/filings/0001140361-25-015473.md) | | Free cash flow | $bn | [61.0](/filings/0001140361-23-020256.md) | [125](/filings/0001140361-24-021683.md) | [68.5](/filings/0001140361-25-015473.md) | [119](/filings/0001140361-25-015473.md) | [194](/filings/0001140361-25-015473.md) | - Revenue. XBRL Revenue: ifrs-full:Revenue. - Gross margin (gross profit / revenue). XBRL Gross profit: ifrs-full:GrossProfit; Revenue: ifrs-full:Revenue. - Operating margin (operating income / revenue). XBRL Operating income: ifrs-full:ProfitLossFromOperatingActivities; Revenue: ifrs-full:Revenue. - Net margin (net income / revenue). XBRL Net income: ifrs-full:ProfitLossAttributableToOwnersOfParent; Revenue: ifrs-full:Revenue. - Diluted EPS. XBRL Diluted EPS: ifrs-full:DilutedEarningsLossPerShare. - Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: ifrs-full:CashFlowsFromUsedInOperatingActivities; Capital expenditure: ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities. Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing. ## Insider purchases and sales The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/tgs/insiders.md) None in coverage. ## Funds that report holding it From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md) | Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before | | --- | --- | ---: | ---: | --- | --- | | [SPX Gestao de Recursos Ltda](/funds/1589176.md) | 2026-06-30 | $54.0m | 1,815,590 | | Added +790,454 | | [MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.](/funds/1705339.md) | 2026-06-30 | $32.8m | 1,103,818 | | Reduced −34,038 | | [North of South Capital LLP](/funds/2033334.md) | 2026-06-30 | $25.7m | 863,044 | | Added +222,045 | | [Fundamenta Capital S.A.](/funds/2088289.md) | 2026-06-30 | $16.4m | 551,743 | | Reduced −18,270 | | [MACKENZIE FINANCIAL CORP](/funds/919859.md) | 2026-06-30 | $14.0m | 470,750 | | Added +222,710 | | [MORGAN STANLEY](/funds/895421.md) | 2026-06-30 | $13.6m | 456,382 | | Reduced −134,670 | | [Vennlight Capital Management, LP](/funds/2013462.md) | 2026-06-30 | $6.8m | 227,806 | | Reduced −46,243 | | [BNP PARIBAS FINANCIAL MARKETS](/funds/1166588.md) | 2026-06-30 | $6.8m | 227,585 | | Added +85,988 | | [CITADEL ADVISORS LLC](/funds/1423053.md) | 2026-06-30 | $6.6m | 221,800 | Put | Added +209,000 | | [MARSHALL WACE, LLP](/funds/1318757.md) | 2026-06-30 | $6.4m | 214,939 | | Added +207,239 | ## Recent filings [All 661 filings](/companies/tgs/filings.md) | Filed | Accepted | Form | What it is | Accession | | --- | --- | --- | --- | --- | | 2026-10-29 | 15:40 ET | [6-K](/filings/0000931427-26-000013.md) | Report of a foreign private issuer, period 2026-10-29 | 0000931427-26-000013 | | 2026-10-07 | 06:24 ET | [6-K](/filings/0000931427-26-000012.md) | Report of a foreign private issuer, period 2026-10-06 | 0000931427-26-000012 | | 2026-08-13 | 10:22 ET | [6-K](/filings/0000931427-26-000011.md) | Report of a foreign private issuer, period 2026-06-30 | 0000931427-26-000011 | | 2026-08-04 | 17:42 ET | [6-K](/filings/0000931427-26-000010.md) | Report of a foreign private issuer, period 2026-06-30 | 0000931427-26-000010 | | 2026-07-24 | 19:00 ET | [6-K](/filings/0000931427-26-000009.md) | Report of a foreign private issuer, period 2026-07-23 | 0000931427-26-000009 | | 2026-06-12 | 10:13 ET | [6-K](/filings/0000931427-26-000008.md) | Report of a foreign private issuer, period 2026-06-12 | 0000931427-26-000008 | | 2026-06-11 | 18:21 ET | [6-K](/filings/0000931427-26-000007.md) | Report of a foreign private issuer, period 2026-06-10 | 0000931427-26-000007 | | 2026-05-26 | 09:31 ET | [6-K](/filings/0000931427-26-000006.md) | Report of a foreign private issuer, period 2026-03-31 | 0000931427-26-000006 | | 2026-05-13 | 16:07 ET | [6-K](/filings/0000931427-26-000005.md) | Report of a foreign private issuer, period 2026-05-13 | 0000931427-26-000005 | | 2026-05-06 | 16:30 ET | [6-K](/filings/0001140361-26-019304.md) | Report of a foreign private issuer, period 2026-05-05 | 0001140361-26-019304 | ## Latest annual report [Form 20-F for the fiscal year ended Dec 31, 2025](/filings/0001140361-26-016167.md), filed Apr 22, 2026. ## Forecast league Not in this season’s league. [This season’s league](/leagues.md) ## About the filer - CIK: 931427 - Tickers: TGS - Exchange: NYSE - SIC code: 4922 Natural Gas Transmission - State of incorporation: not reported - Filer category: Large accelerated filer Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 29, 2026, 17:14 ET. No prices; not investment advice.