Sumitomo Mitsui Trust Group
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Sumitomo Mitsui Trust Group’s Aon AON Stock Holding History

Sumitomo Mitsui Trust 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
Q3 		$122M Sell
440,511
-12,702
-3% -$4.3M 0.07% 243
2026
Q2 		$150M Buy
453,213
+5,912
+1% +$1.91M 0.09% 225
2026
Q1 		$144M Sell
447,301
-23,601
-5% -$7.84M 0.09% 214
2025
Q4 		$166M Sell
470,902
-17,135
-4% -$5.98M 0.1% 188
2025
Q3 		$174M Buy
488,037
+24,241
+5% +$8.77M 0.1% 188
2025
Q2 		$165M Buy
463,796
+9,841
+2% +$3.57M 0.1% 189
2025
Q1 		$181M Sell
453,955
-419
-0.1% -$161K 0.13% 159
2024
Q4 		$163M Sell
454,374
-159
-0% -$58.5K 0.11% 174
2024
Q3 		$157M Buy
454,533
+909
+0.2% +$297K 0.11% 190
2024
Q2 		$133M Sell
453,624
-43,142
-9% -$12.8M 0.1% 200
2024
Q1 		$166M Sell
496,766
-8,841
-2% -$2.74M 0.11% 187
2023
Q4 		$147M Sell
505,607
-10,775
-2% -$3.45M 0.11% 193
2023
Q3 		$167M Sell
516,382
-10,607
-2% -$3.51M 0.14% 159
2023
Q2 		$182M Sell
526,989
-122,771
-19% -$39.9M 0.14% 151
2023
Q1 		$205M Buy
649,760
+20,728
+3% +$6.42M 0.15% 145
2022
Q4 		$189M Sell
629,032
-3,912
-0.6% -$1.14M 0.15% 155
2022
Q3 		$170M Sell
632,944
-4,148
-0.7% -$1.17M 0.14% 163
2022
Q2 		$172M Sell
637,092
-224,226
-26% -$64.5M 0.13% 175
2022
Q1 		$280M Buy
+861,318
New +$251M 0.19% 116

Other funds holding AON

Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
PineStone Asset Management
PineStone Asset Management Montreal, Quebec, Canada $15.4B AUM 14.92% 1-Year Est. Return
Cryder Capital Partners
Cryder Capital Partners London, United Kingdom $1.57B AUM 4.27% 1-Year Est. Return
Davenport & Co
Davenport & Co Richmond, Virginia $19.9B AUM 12.67% 1-Year Est. Return
C WorldWide Group
C WorldWide Group Copenhagen, Denmark $3.96B AUM 10.41% 1-Year Est. Return
Vontobel Holding
Vontobel Holding Zurich, Switzerland $27.7B AUM 21.75% 1-Year Est. Return
Citigroup
Citigroup New York $308B AUM 40.94% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return
Vestor Capital
Vestor Capital Chicago, Illinois $1.62B AUM 34.01% 1-Year Est. Return
Retirement Systems of Alabama
Retirement Systems of Alabama Montgomery, Alabama $33.9B AUM 30.31% 1-Year Est. Return

Sumitomo Mitsui Trust Group's AON Position: Q3 2026 in Review

Sumitomo Mitsui Trust Group reduced its Aon (AON) stake by 2.8% in Q3 2026, selling an estimated $4.3M and leaving 440,511 shares worth $122M. The position accounts for 0.07% of the portfolio, ranked #243.

Sumitomo Mitsui Trust Group first reported a position in AON in Q1 2022 and has held it in 19 quarters since. The position peaked at $280M in Q1 2022. 496 funds tracked by Wall St. Rank hold AON as of Q3 2026.

  • Sumitomo Mitsui Trust Group held 440,511 shares of Aon worth $122M as of Q3 2026.
  • Sumitomo Mitsui Trust Group sold 12,702 Aon shares in Q3 2026, an estimated $4.3M.
  • Aon made up 0.07% of Sumitomo Mitsui Trust Group's portfolio in Q3 2026, its #243 holding.
  • Sumitomo Mitsui Trust Group first reported a position in Aon in Q1 2022 and has held it in 19 quarters since.
  • Sumitomo Mitsui Trust Group's Aon position peaked at $280M in Q1 2022.
  • 496 funds tracked by Wall St. Rank held Aon as of Q3 2026.

Based on Sumitomo Mitsui Trust Group's 13F filing for Q3 2026, filed 29 Oct 2026.