If You Invested in Eni S.p.A. (E)
Looking for the current price? See the E quote & overviewWhat $1,000 or $10,000 in E Would Be Worth Now
Real historical value by amount invested and how long ago| If you invested | 1 year ago | 5 years ago | 10 years ago | Since Nov 12, 2015 |
|---|---|---|---|---|
| $1,000 | $1,444 +44% | $1,910 +91% | $2,031 +103% | $1,773 +77% |
| $10,000 | $14,436 +44% | $19,096 +91% | $20,306 +103% | $17,732 +77% |
Based on real historical closing prices adjusted for stock splits, without dividends, through 2026-11-10. Figures with dividends reinvest each cash dividend at the previous close less the dividend, before taxes. Past performance does not guarantee future results.
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E vs S&P 500Year-by-Year Returns
E annual performance| Year | Start Price | End Price | Annual Return | Cumulative |
|---|---|---|---|---|
| 2015Nov 12 to Dec 31 | $31.09 | $29.80 | -4.1% | -4.1% |
| 2016 | $29.80 | $32.24 | +8.2% | +3.7% |
| 2017 | $32.24 | $33.19 | +2.9% | +6.8% |
| 2018 | $33.19 | $31.50 | -5.1% | +1.3% |
| 2019 | $31.50 | $30.96 | -1.7% | -0.4% |
| 2020 | $30.96 | $20.60 | -33.5% | -33.7% |
| 2021 | $20.60 | $27.65 | +34.2% | -11.1% |
| 2022 | $27.65 | $28.66 | +3.7% | -7.8% |
| 2023 | $28.66 | $34.01 | +18.7% | +9.4% |
| 2024 | $34.01 | $27.36 | -19.6% | -12.0% |
| 2025 | $27.36 | $37.94 | +38.7% | +22.0% |
| 2026Dec 31, 2025 to Nov 10 | $37.94 | $55.13 | +45.3% | +77.3% |
About Eni S.p.A.
Energy · NYSE
Eni S.p.A. (NYSE: E) is described in available data as an integrated oil and gas company operating in the crude petroleum and natural gas extraction industry within the broader mining, quarrying, and oil and gas extraction sector. Eni explores for, produces, and refines oil around the world and also produces natural gas. The company’s shares are referenced as trading on Euronext Milan in multiple SEC Form 6-K reports, and the Italian government is stated to own a significant minority stake.
Eni’s activities include oil and natural gas production, and it held substantial proved reserves expressed in barrels of oil equivalent, with a portion identified as liquids. Eni’s business model is centered on upstream exploration and production combined with downstream refining. Eni is placing its renewable and low-carbon business in a separate entity called Plenitude.
Business model and operations
Eni generates activity by exploring for and producing oil and natural gas and by refining oil. These activities align with its classification in crude petroleum and natural gas extraction. The reference to integrated operations suggests involvement across multiple stages of the oil and gas value chain, from extraction to refining. Eni’s exploration and production portfolio is geographically diversified.
Several Form 6-K filings from late 2025 and early 2026 show Eni actively executing a treasury share buyback program approved by the Shareholders' Meeting on 14 May 2025. These filings detail purchases of Eni shares on Euronext Milan over defined periods, including the number of shares acquired, weighted average prices, and the percentage of share capital represented. The filings also report the cumulative number of shares acquired since the start of the program on 20 May 2025 and the resulting percentage of share capital held as treasury shares. This indicates that capital management through share repurchases is an active element of Eni’s financial policy.
Ownership and capital structure signals
Eni is a company in which the Italian government owns a 30.5% stake. In addition, multiple Form 6-K reports describe how Eni’s treasury share position has changed over time as a result of the buyback program and the free-of-charge shares granted to executives and employees under long-term incentive and employee stock ownership plans approved by prior Shareholders’ Meetings. These documents show that Eni tracks and discloses the percentage of share capital held as treasury shares, reflecting attention to its equity structure and the impact of buybacks.
Corporate actions and financial calendar
A Form 6-K dated 11 December 2025 includes Eni’s Financial Calendar 2026. In that filing, Eni announces an annual calendar of corporate events for 2026, including meetings of the Board of Directors and the Shareholders’ Meeting, press releases, and conference calls related to preliminary financial statements, the Annual Report, a strategic plan for 2026–2029, and quarterly results. The same document explains that Eni intends to continue providing quarterly financial results on a voluntary basis, with key performance indicators such as operating profit or equivalent measures (reported and adjusted), consolidated net results, adjusted net results by segment, net financial position and cash flow, shareholders’ equity, and leverage. This indicates a structured approach to financial disclosure and ongoing communication with investors.
The 11 December 2025 Form 6-K also reports that Eni’s Board of Directors approved the possible issue of one or more hybrid subordinated bonds up to a specified aggregate amount, to be placed with institutional investors and intended for listing on regulated markets or multilateral trading facilities. The filing states that the bonds, if issued, are expected to support a well-balanced financial structure and be used for general corporate purposes.
Environmental and emissions-related initiatives
A Business Wire news release dated 30 October 2023 describes Eni as an integrated energy company and reports that SLB’s End-to-end Emissions Solutions business (SEES) was selected by Eni to deliver fugitive methane emissions measurement and reporting plans for Eni’s global operating facilities. The project is aligned with the Oil & Gas Methane Partnership 2.0 (OGMP 2.0) reporting standards under the United Nations Environment Programme. According to the release, SEES will perform source-level measurements and simulations of Eni’s emissions across multiple onshore and offshore sites and assist Eni with reporting source-level methane emissions to OGMP 2.0. The stated aim is to provide Eni with accurate methane emissions data for transparent reporting and to inform strategic efforts to reduce those emissions.
This news item indicates that Eni is engaged in initiatives related to methane emissions measurement and reporting, working with a specialist third party to align with international reporting frameworks. Methane is described in the release as a potent greenhouse gas with a high climate impact over a 20-year timescale, and the project is framed as part of broader efforts in the oil and gas sector to address operational emissions.
Renewables and low-carbon business
Eni is placing its renewable and low-carbon business into a separate entity called Plenitude. While the provided data does not elaborate on Plenitude’s specific activities, this statement indicates that Eni has organized certain renewable and low-carbon operations within a distinct corporate structure. Eni may consider a public listing of Plenitude.
Regulatory reporting and investor information
Eni files as a foreign issuer on Form 20-F, as indicated in multiple Form 6-K filings, which explicitly check the Form 20-F box. These 6-K reports provide periodic updates on corporate actions such as treasury share purchases, financial calendars, and potential bond issues. They also reference long-term incentive plans and employee stock ownership plans approved by Shareholders’ Meetings, showing how equity-based compensation is integrated into the company’s capital structure.
The repeated disclosure of buyback activity and treasury share levels across several 6-K filings from November and December 2025 and January 2026 demonstrates a pattern of detailed reporting on share repurchases. Each filing specifies the period covered, the number of shares acquired on Euronext Milan, the weighted average purchase price, the total consideration, and the cumulative shares acquired since the start of the program. They also update the total number of treasury shares held and the corresponding percentage of share capital, after accounting for grants of free shares to executives and employees.
Status and listing
None of the provided SEC filings or news items indicate delisting, deregistration, bankruptcy, or a completed merger that would change Eni’s status as an operating company. The 6-K filings continue through at least January 2026, and they refer to ongoing trading of Eni shares on Euronext Milan and to future corporate events in 2026. Based on the supplied documents, Eni remains an active issuer with continuing reporting obligations under the Securities Exchange Act of 1934.
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Frequently Asked Questions
Eni S.p.A. investment returns
How much would $1,000 invested in Eni S.p.A. be worth today?
If you invested $1,000 in Eni S.p.A. (E) 10 years ago on 2016-11-11, your investment would be worth $2,031 as of 2026-11-10, a +103.1% price return without dividends, growing at a compounded rate of 7.3% per year (CAGR).
Has Eni S.p.A. outperformed the S&P 500?
Over the past 10 years, E returned +103.1% compared to +246.5% for the S&P 500, underperforming the benchmark by 143.5 percentage points.
What is Eni S.p.A.'s average annual return?
The compound annual growth rate (CAGR) of E’s share price over the past 10 years is 7.3%, without dividends. Individual years vary a great deal, and E’s best recent full year was 2025 (+38.7%) while the worst was 2020 (-33.5%).
For informational and educational purposes only, not investment advice.