3,990,441 Aon plc $AON Shares Bought by Robeco Institutional Asset Management B.V.

21 Oct 2026, 12:08 by Kim Johansen · The Markets Daily

Robeco Institutional Asset Management B.V. increased its position in Aon plc (NYSE:AON – Free Report) by 11,179.6% in the 3rd quarter, Holdings Channel.com reports. The firm owned 4,026,135 shares of the financial services provider’s stock after buying an additional 3,990,441 shares during the quarter. AON comprises 1.3% of Robeco Institutional Asset Management B.V.’s holdings, making the stock its 10th largest position. Robeco Institutional Asset Management B.V.’s holdings in AON were worth $1,114,313,000 as of its most recent filing with the Securities and Exchange Commission.

Other large investors have also added to or reduced their stakes in the company. Ninety One UK Ltd grew its holdings in AON by 419.8% during the 3rd quarter. Ninety One UK Ltd now owns 836,932 shares of the financial services provider’s stock valued at $231,638,000 after purchasing an additional 675,919 shares in the last quarter. Arrowstreet Capital Limited Partnership lifted its holdings in AON by 74.7% in the 1st quarter. Arrowstreet Capital Limited Partnership now owns 797,418 shares of the financial services provider’s stock worth $257,391,000 after buying an additional 340,866 shares in the last quarter. The Manufacturers Life Insurance Company lifted its holdings in AON by 136.1% in the 1st quarter. The Manufacturers Life Insurance Company now owns 547,850 shares of the financial services provider’s stock worth $176,835,000 after buying an additional 315,817 shares in the last quarter. Amundi boosted its position in AON by 23.5% in the 1st quarter. Amundi now owns 1,502,890 shares of the financial services provider’s stock valued at $485,103,000 after buying an additional 285,549 shares during the last quarter. Finally, Sumitomo Mitsui DS Asset Management Company Ltd boosted its position in AON by 955.5% in the 3rd quarter. Sumitomo Mitsui DS Asset Management Company Ltd now owns 305,099 shares of the financial services provider’s stock valued at $84,442,000 after buying an additional 276,194 shares during the last quarter. 86.14% of the stock is owned by institutional investors and hedge funds.

Analyst Ratings Changes

Several analysts have recently weighed in on AON shares. Wall Street Zen downgraded AON from a “hold” rating to a “sell” rating in a research note on Sunday, September 6th. Wolfe Research cut AON from a “hold” rating to a “strong sell” rating in a research note on Friday, September 11th. BMO Capital Markets reduced their price target on AON from $360.00 to $286.00 and set a “market perform” rating for the company in a report on Thursday, October 1st. Roth Capital set a $380.00 price target on AON and gave the company a “buy” rating in a report on Tuesday, September 1st. Finally, TD Cowen raised their price objective on AON from $416.00 to $420.00 and gave the company a “buy” rating in a research note on Monday, September 14th. Twelve research analysts have rated the stock with a Buy rating, six have given a Hold rating and two have issued a Sell rating to the company’s stock. According to data from MarketBeat.com, the stock has an average rating of “Moderate Buy” and a consensus price target of $367.59.

Get Our Latest Research Report on AON

Key Headlines Impacting AON

Here are the key news stories impacting AON this week:

Positive Sentiment: Zacks Research projects Aon earnings of $20.05 per share in 2027 and $22.33 per share in 2028, compared with the current-year consensus of $18.73. The forecasts suggest continued earnings growth and may support the stock’s recent strength. Zacks Research earnings estimates
Positive Sentiment: Aon said improving conditions in Canada’s property-and-casualty insurance market could create more favorable conditions for business decision-makers entering 2027, potentially supporting client activity and brokerage opportunities. Strong Canadian Property and Casualty Market Creates More Favourable Conditions for Business Decision Makers Entering 2027
Neutral Sentiment: Aon highlighted that Canadian insurance rates are easing, while elevated U.S. litigation risks remain a challenge. Lower rates may benefit customers but could limit pricing-related revenue growth for brokers. Canadian businesses see insurance rates ease, but US litigation risks remain a problem
Neutral Sentiment: Aon executives said reinsurers need to accept more risk, while the company’s industry outlook warned that traditional insurance “cash cows” are coming under pressure. The comments point to changing market conditions but do not represent a direct earnings revision. Aon’s De Bosini: Reinsurers need to lean towards risk
Negative Sentiment: Investor scrutiny of the price tag for Aon’s USI deal continues to pressure the shares, raising concerns about acquisition returns, integration execution and leverage. Aon plc Underperforms Amid Scrutiny Over USI Deal Price Tag
Negative Sentiment: Morgan Stanley lowered its price target for Aon to $350, a cautious signal even though the target remains above the recent trading level. Morgan Stanley cuts target to $350

AON Trading Up 2.5%

NYSE AON opened at $296.95 on Wednesday. Aon plc has a one year low of $266.33 and a one year high of $382.34. The company has a 50-day simple moving average of $308.36 and a 200-day simple moving average of $325.71. The company has a debt-to-equity ratio of 1.34, a quick ratio of 1.54 and a current ratio of 1.54. The firm has a market capitalization of $62.99 billion, a PE ratio of 16.37, a price-to-earnings-growth ratio of 1.52 and a beta of 0.70.

AON (NYSE:AON – Get Free Report) last announced its quarterly earnings data on Wednesday, July 29th. The financial services provider reported $3.81 earnings per share for the quarter, beating analysts’ consensus estimates of $3.80 by $0.01. The business had revenue of $4.25 billion during the quarter, compared to the consensus estimate of $4.28 billion. AON had a net margin of 22.27% and a return on equity of 42.13%. The company’s revenue for the quarter was up 2.2% compared to the same quarter last year. During the same quarter in the prior year, the firm earned $3.49 EPS. On average, equities analysts forecast that Aon plc will post 18.73 earnings per share for the current year.

AON Announces Dividend

The business also recently announced a quarterly dividend, which will be paid on Friday, November 13th. Shareholders of record on Monday, November 2nd will be paid a $0.82 dividend. This represents a $3.28 dividend on an annualized basis and a yield of 1.1%. The ex-dividend date is Monday, November 2nd. AON’s payout ratio is presently 18.08%.

Insider Buying and Selling

In related news, Director Lester B. Knight purchased 20,000 shares of the company’s stock in a transaction dated Wednesday, September 2nd. The shares were acquired at an average cost of $327.48 per share, for a total transaction of $6,549,600.00. Following the transaction, the director owned 163,000 shares of the company’s stock, valued at $53,379,240. This trade represents a 13.99% increase in their ownership of the stock. The acquisition was disclosed in a document filed with the SEC, which is accessible through this hyperlink. Also, General Counsel Darren Zeidel sold 1,900 shares of the firm’s stock in a transaction that occurred on Tuesday, July 28th. The stock was sold at an average price of $377.76, for a total value of $717,744.00. Following the completion of the sale, the general counsel directly owned 11,504 shares in the company, valued at approximately $4,345,751.04. This trade represents a 14.17% decrease in their position. The disclosure for this sale is available in the SEC filing. Insiders own 1.00% of the company’s stock.

AON Company Profile

(Free Report)

Aon plc is a global professional services firm that helps organizations manage risk, make informed decisions and improve workforce outcomes. Its services span commercial risk, health, retirement and investments, and data and analytics.

The company provides insurance brokerage and risk-management services, including coverage placement, claims support, risk transfer and consulting. Through its reinsurance business, Aon also serves insurers and other organizations seeking to manage catastrophe, capital and underwriting risks.

Aon’s human capital offerings include employee benefits consulting, retirement advisory services, talent and compensation consulting, and health and workforce solutions.

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