Citigroup
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Citigroup’s Aon AON Stock Holding History

Citigroup’s Portfolio AON Stock Details AON Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2021
Q1 		– Sell
-100
Closed -$21K – 6222
2020
Q4 		$21K Sell
100
-500
-83% -$102K ﹤0.01% 6604
2020
Q3 		$124K Sell
600
-1,200
-67% -$240K ﹤0.01% 4951
2020
Q2 		$347K Buy
1,800
+700
+64% +$130K ﹤0.01% 4579
2020
Q1 		$186K Sell
1,100
-2,600
-70% -$532K ﹤0.01% 4791
2019
Q4 		$771K Buy
3,700
+700
+23% +$139K ﹤0.01% 4024
2019
Q3 		$581K Buy
3,000
+2,800
+1,400% +$540K ﹤0.01% 4198
2019
Q2 		$39K Sell
200
-2,100
-91% -$381K ﹤0.01% 6682
2019
Q1 		$393K Buy
2,300
+400
+21% +$64.9K ﹤0.01% 4442
2018
Q4 		$276K Sell
1,900
-2,300
-55% -$357K ﹤0.01% 4702
2018
Q3 		$646K Sell
4,200
-900
-18% -$132K ﹤0.01% 3976
2018
Q2 		$700K Buy
5,100
+3,600
+240% +$507K ﹤0.01% 3731
2018
Q1 		$210K Buy
1,500
+300
+25% +$42K ﹤0.01% 4920
2017
Q4 		$161K Buy
+1,200
New +$171K ﹤0.01% 5242
2013
Q3 		– Sell
-3,100
Closed -$199K – 6787
2013
Q2 		$199K Buy
+3,100
New +$196K ﹤0.01% 4272

Other funds holding AON

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Citigroup's AON Position: Q1 2026 in Review

Citigroup increased its Aon (AON) stake by 13% in Q1 2026, buying an estimated $9.31M and bringing the position to 250,447 shares worth $80.8M. The position accounts for 0.03% of the portfolio, ranked #471.

Citigroup first reported a position in AON in Q2 2013 and has held it in 52 quarters since. The position peaked at $174M in Q3 2021. 1,253 funds tracked by Wall St. Rank hold AON as of Q1 2026.

  • Citigroup held 250,447 shares of Aon worth $80.8M as of Q1 2026.
  • Citigroup bought 28,022 Aon shares in Q1 2026, an estimated $9.31M.
  • Aon made up 0.03% of Citigroup's portfolio in Q1 2026, its #471 holding.
  • Citigroup first reported a position in Aon in Q2 2013 and has held it in 52 quarters since.
  • Citigroup's Aon position peaked at $174M in Q3 2021.
  • 1,253 funds tracked by Wall St. Rank held Aon as of Q1 2026.

Based on Citigroup's 13F filing for Q1 2026, filed 11 May 2026.