# KT Corp: overview KT · NYSE · CIK 892450 · [Communication](/sectors/communication.md) · fiscal year ends Dec 31 Pages: [Overview](/companies/kt.md) · [Financials](/companies/kt/financials.md) · [Filings](/companies/kt/filings.md) · [Insiders](/companies/kt/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 | [24,099](/filings/0001193125-23-123967.md) | [24,898](/filings/0001193125-24-123598.md) | [25,639](/filings/0001193125-25-101714.md) | [26,287](/filings/0001193125-25-101714.md) | [26,380](/filings/0001193125-25-101714.md) | | Gross margin | % | not reported | not reported | not reported | not reported | not reported | | Operating margin | % | [4.2%](/filings/0001193125-23-123967.md) | [6.8%](/filings/0001193125-24-123598.md) | [7.7%](/filings/0001193125-25-101714.md) | [5.4%](/filings/0001193125-25-101714.md) | [2.4%](/filings/0001193125-25-101714.md) | | Net margin | % | [2.9%](/filings/0001193125-23-123967.md) | [5.4%](/filings/0001193125-24-123598.md) | [4.9%](/filings/0001193125-25-101714.md) | [3.8%](/filings/0001193125-25-101714.md) | [1.7%](/filings/0001193125-25-101714.md) | | Diluted EPS | $ per share | [2858.00](/filings/0001193125-23-123967.md) | [5747.00](/filings/0001193125-24-123598.md) | [5196.00](/filings/0001193125-25-101714.md) | [3977.00](/filings/0001193125-25-101714.md) | [1868.00](/filings/0001193125-25-101714.md) | | Free cash flow | $bn | not reported | not reported | not reported | not reported | not reported | - Revenue. XBRL Revenue: ifrs-full:Revenue. - Gross margin (gross profit / revenue). XBRL 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. 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/kt/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 | | --- | --- | ---: | ---: | --- | --- | | [WELLINGTON MANAGEMENT GROUP LLP](/funds/902219.md) | 2026-06-30 | $466.1m | 26,973,001 | | Added +4,028,281 | | [Niatross Investments Ltd](/funds/2093071.md) | 2026-06-30 | $190.2m | 11,006,064 | | Added +1,744,003 | | [Kopernik Global Investors, LLC](/funds/1599814.md) | 2026-06-30 | $156.3m | 9,043,938 | | Added +3,722,016 | | [Capital International Investors](/funds/1562230.md) | 2026-06-30 | $151.3m | 8,756,032 | | Reduced −1,449,072 | | [JPMORGAN CHASE & CO](/funds/19617.md) | 2026-06-30 | $148.0m | 8,484,029 | | Added +1,303,889 | | [Capital Research Global Investors](/funds/1422848.md) | 2026-06-30 | $127.7m | 7,392,482 | | Added +1,650,574 | | [PZENA INVESTMENT MANAGEMENT LLC](/funds/1027796.md) | 2026-06-30 | $125.9m | 7,286,500 | | Added +110,953 | | [Boston Partners](/funds/1386060.md) | 2026-06-30 | $103.0m | 5,959,415 | | Added +2,476,756 | | [TWO SIGMA INVESTMENTS, LP](/funds/1179392.md) | 2026-06-30 | $101.1m | 5,849,987 | | Added +799,121 | | [Robeco Institutional Asset Management B.V.](/funds/1418773.md) | 2026-06-30 | $100.3m | 5,805,858 | | Added +780,555 | ## Recent filings [All 487 filings](/companies/kt/filings.md) | Filed | Accepted | Form | What it is | Accession | | --- | --- | --- | --- | --- | | 2026-10-23 | 06:01 ET | [6-K](/filings/0001628280-26-066967.md) | Report of a foreign private issuer, period 2026-10-23 | 0001628280-26-066967 | | 2026-10-13 | 10:11 ET | [6-K](/filings/0001628280-26-065578.md) | Report of a foreign private issuer, period 2026-10-13 | 0001628280-26-065578 | | 2026-10-13 | 10:06 ET | [6-K](/filings/0001628280-26-065575.md) | Report of a foreign private issuer, period 2026-10-13 | 0001628280-26-065575 | | 2026-09-09 | 01:54 ET | [6-K](/filings/0001628280-26-060992.md) | Report of a foreign private issuer, period 2026-09-09 | 0001628280-26-060992 | | 2026-09-03 | 00:25 ET | [6-K](/filings/0001628280-26-060237.md) | Report of a foreign private issuer, period 2026-09-03 | 0001628280-26-060237 | | 2026-08-12 | 01:38 ET | [6-K](/filings/0001628280-26-055924.md) | Report of a foreign private issuer, period 2026-08-12 | 0001628280-26-055924 | | 2026-08-12 | 01:38 ET | [6-K](/filings/0001628280-26-055923.md) | Report of a foreign private issuer, period 2026-08-12 | 0001628280-26-055923 | | 2026-07-14 | 10:05 ET | [6-K](/filings/0001628280-26-048076.md) | Report of a foreign private issuer, period 2026-07-14 | 0001628280-26-048076 | | 2026-07-14 | 10:04 ET | [6-K](/filings/0001628280-26-048074.md) | Report of a foreign private issuer, period 2026-07-14 | 0001628280-26-048074 | | 2026-07-14 | 10:03 ET | [6-K](/filings/0001628280-26-048072.md) | Report of a foreign private issuer, period 2026-07-14 | 0001628280-26-048072 | ## Latest annual report [Form 20-F for the fiscal year ended Dec 31, 2025](/filings/0001628280-26-028096.md), filed Apr 29, 2026. ## Forecast league Not in this season’s league. [This season’s league](/leagues.md) ## About the filer - CIK: 892450 - Tickers: KT - Exchange: NYSE - SIC code: 4813 Telephone Communications (No Radiotelephone) - 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 24, 2026, 15:27 ET. No prices; not investment advice.