# Telefonica S a: overview TEFOF · OTC · CIK 814052 · [Communication](/sectors/communication.md) · fiscal year ends Dec 31 Pages: [Overview](/companies/tefof.md) · [Financials](/companies/tefof/financials.md) · [Filings](/companies/tefof/filings.md) · [Insiders](/companies/tefof/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 | [43.1](/filings/0000814052-23-000035.md) | [39.3](/filings/0000814052-24-000034.md) | [40.0](/filings/0000814052-25-000036.md) | [40.7](/filings/0000814052-25-000036.md) | [41.3](/filings/0000814052-25-000036.md) | | Gross margin | % | not reported | not reported | not reported | not reported | not reported | | Operating margin | % | [9.6%](/filings/0000814052-23-000035.md) | [34.6%](/filings/0000814052-24-000034.md) | [10.1%](/filings/0000814052-25-000036.md) | [6.4%](/filings/0000814052-25-000036.md) | [5.8%](/filings/0000814052-25-000036.md) | | Net margin | % | [3.7%](/filings/0000814052-23-000035.md) | [20.7%](/filings/0000814052-24-000034.md) | [5.0%](/filings/0000814052-25-000036.md) | [(2.2%)](/filings/0000814052-25-000036.md) | [(0.1%)](/filings/0000814052-25-000036.md) | | Diluted EPS | $ per share | [0.22](/filings/0000814052-23-000035.md) | [1.34](/filings/0000814052-24-000034.md) | [0.31](/filings/0000814052-25-000036.md) | [(0.20)](/filings/0000814052-25-000036.md) | [(0.06)](/filings/0000814052-25-000036.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/tefof/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 | | --- | --- | ---: | ---: | --- | --- | | [Generali Investments CEE, investicni spolecnost, a.s.](/funds/2047540.md) | 2026-06-30 | $5.0m | 1,248,183 | | Reduced −73,447 | | [AUXIER ASSET MANAGEMENT LLC](/funds/1105863.md) | 2026-06-30 | $594.5k | 150,122 | | Reduced −876 | | [RHUMBLINE ADVISERS](/funds/1115418.md) | 2026-06-30 | $462.7k | 116,849 | | Added +18,022 | | [COZAD ASSET MANAGEMENT INC](/funds/709428.md) | 2026-06-30 | $159.3k | 40,217 | | Added +3,579 | | [DRW Securities, LLC](/funds/1481986.md) | 2026-06-30 | $121.3k | 30,624 | | Unchanged | | [VSM Wealth Advisory, LLC](/funds/2050660.md) | 2026-06-30 | $76.1k | 19,209 | | Unchanged | | [Florida Trust Wealth Management Co](/funds/1651023.md) | 2026-06-30 | $55.8k | 13,875 | | Unchanged | | [YOUSIF CAPITAL MANAGEMENT, LLC](/funds/1858789.md) | 2026-06-30 | $53.0k | 13,176 | | Reduced −45,971 | | [Brooklyn Investment Group](/funds/1795705.md) | 2026-03-31 | $46.9k | 10,727 | | Not compared | | [Williams Jones Wealth Management, LLC.](/funds/1788587.md) | 2026-06-30 | $45.1k | 11,377 | | Unchanged | ## Recent filings [All 1,096 filings](/companies/tefof/filings.md) | Filed | Accepted | Form | What it is | Accession | | --- | --- | --- | --- | --- | | 2026-01-20 | 06:25 ET | [6-K](/filings/0000814052-26-000009.md) | Report of a foreign private issuer, period 2026-01-20 | 0000814052-26-000009 | | 2026-01-20 | 06:09 ET | [6-K](/filings/0000814052-26-000007.md) | Report of a foreign private issuer, period 2026-01-19 | 0000814052-26-000007 | | 2026-01-12 | 15:59 ET | [6-K](/filings/0000814052-26-000005.md) | Report of a foreign private issuer, period 2026-01-12 | 0000814052-26-000005 | | 2026-01-12 | 07:10 ET | [6-K](/filings/0000814052-26-000003.md) | Report of a foreign private issuer, period 2026-01-12 | 0000814052-26-000003 | | 2025-12-22 | 08:44 ET | [6-K](/filings/0000814052-25-000118.md) | Report of a foreign private issuer, period 2025-12-22 | 0000814052-25-000118 | | 2025-12-17 | 11:38 ET | [6-K](/filings/0000814052-25-000116.md) | Report of a foreign private issuer, period 2025-12-17 | 0000814052-25-000116 | | 2025-11-28 | 09:37 ET | [6-K](/filings/0000814052-25-000112.md) | Report of a foreign private issuer, period 2025-11-28 | 0000814052-25-000112 | | 2025-11-26 | 14:25 ET | [6-K](/filings/0000814052-25-000110.md) | Report of a foreign private issuer, period 2025-11-26 | 0000814052-25-000110 | | 2025-11-20 | 15:56 ET | [6-K](/filings/0000814052-25-000108.md) | Report of a foreign private issuer, period 2025-11-20 | 0000814052-25-000108 | | 2025-11-04 | 06:42 ET | [6-K](/filings/0000814052-25-000106.md) | Report of a foreign private issuer, period 2025-11-04 | 0000814052-25-000106 | ## Latest annual report [Form 20-F for the fiscal year ended Dec 31, 2024](/filings/0000814052-25-000036.md), filed Feb 27, 2025. ## Forecast league Not in this season’s league. [This season’s league](/leagues.md) ## About the filer - CIK: 814052 - Tickers: TEFOF, TELFY - Exchange: OTC - SIC code: 4813 Telephone Communications (No Radiotelephone) - State of incorporation: U3 - Filer category: Large accelerated filer Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 24, 2026, 15:25 ET. No prices; not investment advice.