Aon PLC (AON) stock reached a 52-week low of $277.55, hovering just above its year-bottom level of $281.18, as shares shed approximately 20% over the past twelve months.
Aon is moving forward with its acquisition of USI Advantage, a move that would make the firm a wholly-owned subsidiary of Aon North America, Inc. The transaction is valued at roughly $17 billion and is expected to close in the fourth quarter of 2026. To finance the deal, Aon has offered approximately $13.4 billion in senior notes. The company also filed a Form 8-K with the Securities and Exchange Commission containing financial statements related to the merger.
Valuation metrics paint a mixed picture. Aon trades at a price-to-earnings ratio of 15.3 and a PEG ratio of 0.29. According to InvestingPro analysis, the stock's relative strength index indicates oversold conditions.
Wall Street analysts remain divided on the near-term trajectory. Keefe, Bruyette & Woods raised its price target to $417 and reiterated an Outperform rating, though it lowered earnings-per-share estimates for both 2026 and 2027. TD Cowen maintained a Buy rating with a $416 price target. BMO Capital set its target lower at $360 and issued a Market Perform rating.












