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$1,000 in Aon plc Class A Ordinary Shares (Ireland) in 2023 → $1,190 today

If you'd invested $1,000 in Aon plc Class A Ordinary Shares (Ireland) (AON) on January 1, 2023 — at the December 2022 month-end close of $293 — and held to the latest close (2026-08-), you'd have $1,190. That's a +19.0% total return — trailing the S&P 500, where the same $1,000 became $2,008.

$1,000 in 2023$1,190Total return+19.0%Multiple1.2×CAGR+4.9%

Nearby years: 2019 · 2020 · 2021 · 2022 · 2024 · 2025 · 2026 all years →

FAQ

How much is $1,000 invested in AON in 2023 worth today?

$1,000 invested in Aon plc Class A Ordinary Shares (Ireland) (AON) at the month-end close of 2022-12- would be worth $1,190 at the latest month-end close (2026-08-), a total return of +19.0% with dividends reinvested.

Did $1,000 in AON in 2023 beat the market?

Over the same span, $1,000 in the S&P 500 index would be worth $2,008 — so Aon plc Class A Ordinary Shares (Ireland) (AON) trailed the index by +40.7%.

What does "month-end close" mean for this calculation?

The scenario invests at the December 2022 month-end close (the price entering 2023) and values the position at the most recent month-end close (2026-08-). Intra-month extremes are shown on the AON calculator page.

Is the 2023–2026 return in AON typical?

No single year is typical. AON's best calendar-year return since 1980 was about +61.5%, and its worst was -45.1%.

Methodology

Aon plc Class A Ordinary Shares (Ireland) (AON) total-return data from January 2023 through the latest month-end close (2026-08-).

The entry price is the 2022 December month-end close and the exit is the latest available month-end close, both from adjusted (split and dividend) Yahoo Finance historical data.

Month-end resolution, no taxes or fees, and history never guarantees the future. For exact-date precision (including buying at a panic low), use the AON calculator page.

Full methodology →

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Data: Yahoo Finance. As of 2026-08-. Not financial advice.