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Cornerstone Planning Group’s Aon AON Stock Holding History

Cornerstone Planning Group’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
2026
Q2 		$29.6K Buy
84
+6
+8% +$1.94K ﹤0.01% 553
2026
Q1 		$24.5K Buy
78
+18
+30% +$5.98K ﹤0.01% 612
2025
Q4 		$20K Sell
60
-9
-13% -$3.14K ﹤0.01% 590
2025
Q3 		$22.6K Buy
69
+51
+283% +$18.4K ﹤0.01% 542
2025
Q2 		$6.51K Sell
18
-18
-50% -$6.52K ﹤0.01% 663
2025
Q1 		$13.3K Buy
36
+25
+227% +$9.59K ﹤0.01% 496
2024
Q4 		$4.14K Buy
11
+5
+83% +$1.84K ﹤0.01% 618
2024
Q3 		$2.23K Sell
6
-477
-99% -$156K ﹤0.01% 747
2024
Q2 		$159K Buy
483
+480
+16,000% +$142K 0.05% 93
2024
Q1 		$840 Buy
3
+2
+200% +$620 ﹤0.01% 817
2023
Q4 		$291 Hold
1
– – ﹤0.01% 833
2023
Q3 		$324 Sell
1
-8
-89% -$2.65K ﹤0.01% 964
2023
Q2 		$3.11K Buy
+9
New +$2.92K ﹤0.01% 1047
2022
Q4 		$4.79K Buy
+15
New +$4.38K ﹤0.01% 916

Other funds holding AON

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Mitsubishi UFJ Asset Management
Mitsubishi UFJ Asset Management Tokyo, Japan $180B AUM 37.51% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
VAM
Veritas Asset Management London, United Kingdom $5.56B AUM 3.46% 1-Year Est. Return
Mawer Investment Management
Mawer Investment Management Calgary, Alberta, Canada $14.7B AUM 12.5% 1-Year Est. Return
Diamond Hill Capital Management
Diamond Hill Capital Management Columbus, Ohio $12.5B AUM 7.49% 1-Year Est. Return
CGI
Comgest Global Investors Paris, France $4.55B AUM 11.62% 1-Year Est. Return

Cornerstone Planning Group's AON Position: Q2 2026 in Review

Cornerstone Planning Group increased its Aon (AON) stake by 7.7% in Q2 2026, buying an estimated $1.94K and bringing the position to 84 shares worth $29.6K. The position accounts for ﹤0.01% of the portfolio, ranked #553.

Cornerstone Planning Group first reported a position in AON in Q4 2022 and has held it in 14 quarters since. The position peaked at $159K in Q2 2024. 767 funds tracked by Wall St. Rank hold AON as of Q2 2026.

  • Cornerstone Planning Group held 84 shares of Aon worth $29.6K as of Q2 2026.
  • Cornerstone Planning Group bought 6 Aon shares in Q2 2026, an estimated $1.94K.
  • Aon made up ﹤0.01% of Cornerstone Planning Group's portfolio in Q2 2026, its #553 holding.
  • Cornerstone Planning Group first reported a position in Aon in Q4 2022 and has held it in 14 quarters since.
  • Cornerstone Planning Group's Aon position peaked at $159K in Q2 2024.
  • 767 funds tracked by Wall St. Rank held Aon as of Q2 2026.

Based on Cornerstone Planning Group's 13F filing for Q2 2026, filed 29 Jul 2026.