Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$2.06B Buy
6,374,945
+804,439
+14% +$267M 0.12% 148
2025
Q4
$1.97B Sell
5,570,506
-565,880
-9% -$198M 0.12% 153
2025
Q3
$2.19B Sell
6,136,386
-3,331,026
-35% -$1.21B 0.13% 139
2025
Q2
$3.38B Buy
9,467,412
+741,108
+8% +$269M 0.22% 81
2025
Q1
$3.48B Buy
8,726,304
+342,023
+4% +$131M 0.25% 69
2024
Q4
$3.01B Buy
8,384,281
+262,244
+3% +$96.4M 0.21% 80
2024
Q3
$2.81B Sell
8,122,037
-83,238
-1% -$27.2M 0.2% 87
2024
Q2
$2.41B Buy
8,205,275
+990,904
+14% +$293M 0.19% 92
2024
Q1
$2.41B Sell
7,214,371
-5,165,837
-42% -$1.6B 0.19% 93
2023
Q4
$3.6B Buy
12,380,208
+6,620,278
+115% +$2.12B 0.16% 122
2023
Q3
$1.87B Sell
5,759,930
-83,472
-1% -$27.6M 0.19% 104
2023
Q2
$2.02B Buy
5,843,402
+263,405
+5% +$85.5M 0.2% 99
2023
Q1
$1.76B Buy
5,579,997
+3,356,519
+151% +$1.04B 0.19% 107
2022
Q4
$667M Buy
2,223,478
+620,067
+39% +$181M 0.08% 263
2022
Q3
$430M Buy
1,603,411
+50,664
+3% +$14.3M 0.06% 312
2022
Q2
$419M Buy
1,552,747
+735,484
+90% +$211M 0.05% 338
2022
Q1
$266M Sell
817,263
-150,066
-16% -$43.6M 0.04% 437
2021
Q4
$291M Buy
967,329
+207,305
+27% +$62.1M 0.04% 438
2021
Q3
$217M Sell
760,024
-112,505
-13% -$30.2M 0.03% 503
2021
Q2
$208M Buy
872,529
+293,745
+51% +$71.8M 0.03% 531
2021
Q1
$133M Sell
578,784
-138,103
-19% -$30.4M 0.02% 636
2020
Q4
$151M Buy
716,887
+114,585
+19% +$23.4M 0.02% 559
2020
Q3
$124M Buy
602,302
+89,219
+17% +$17.8M 0.02% 519
2020
Q2
$98.8M Sell
513,083
-23,283
-4% -$4.34M 0.02% 560
2020
Q1
$88.5M Sell
536,366
-112,673
-17% -$23.1M 0.02% 522
2019
Q4
$135M Sell
649,039
-39,191
-6% -$7.76M 0.03% 495
2019
Q3
$133M Buy
688,230
+91,977
+15% +$17.7M 0.04% 460
2019
Q2
$115M Buy
596,253
+31,242
+6% +$5.66M 0.03% 520
2019
Q1
$96.4M Sell
565,011
-373,741
-40% -$60.6M 0.03% 549
2018
Q4
$136M Buy
938,752
+128,939
+16% +$20M 0.04% 426
2018
Q3
$125M Sell
809,813
-11,684
-1% -$1.71M 0.03% 519
2018
Q2
$113M Buy
821,497
+36,355
+5% +$5.12M 0.03% 521
2018
Q1
$110M Sell
785,142
-200,505
-20% -$28.1M 0.03% 543
2017
Q4
$132M Buy
985,647
+444,188
+82% +$63.2M 0.04% 484
2017
Q3
$79.1M Buy
541,459
+8,338
+2% +$1.16M 0.02% 674
2017
Q2
$70.9M Sell
533,121
-57,959
-10% -$7.33M 0.02% 726
2017
Q1
$70.2M Sell
591,080
-208,987
-26% -$24.1M 0.02% 732
2016
Q4
$89.2M Buy
800,067
+510,268
+176% +$56.9M 0.03% 588
2016
Q3
$32.6M Sell
289,799
-112,587
-28% -$12.4M 0.01% 1101
2016
Q2
$44M Buy
402,386
+83,909
+26% +$8.88M 0.02% 865
2016
Q1
$33.3M Sell
318,477
-7,112
-2% -$666K 0.01% 999
2015
Q4
$30M Sell
325,589
-137,608
-30% -$12.8M 0.01% 1120
2015
Q3
$41M Buy
463,197
+210,825
+84% +$20.4M 0.02% 904
2015
Q2
$25.2M Sell
252,372
-350,462
-58% -$35.1M 0.01% 1309
2015
Q1
$57.9M Sell
602,834
-108,707
-15% -$10.5M 0.02% 764
2014
Q4
$67.5M Buy
711,541
+329,511
+86% +$29.5M 0.02% 695
2014
Q3
$33.5M Buy
382,030
+119,100
+45% +$10.4M 0.01% 1060
2014
Q2
$23.7M Sell
262,930
-242,601
-48% -$21M 0.01% 1290
2014
Q1
$42.6M Buy
505,531
+113,316
+29% +$9.43M 0.02% 836
2013
Q4
$32.9M Buy
392,215
+254,301
+184% +$20.1M 0.01% 981
2013
Q3
$10.3M Buy
137,914
+7,629
+6% +$523K ﹤0.01% 1751
2013
Q2
$8.38M Buy
+130,285
New +$8.26M ﹤0.01% 1839

Other funds holding AON

Morgan Stanley's AON Position: Q1 2026 in Review

Morgan Stanley increased its Aon (AON) stake by 14% in Q1 2026, buying an estimated $267M and bringing the position to 6,374,945 shares worth $2.06B. The position accounts for 0.12% of the portfolio, ranked #148.

Morgan Stanley first reported a position in AON in Q2 2013 and has held it in 52 quarters since. The position peaked at $3.6B in Q4 2023. 1,252 funds tracked by Wall St. Rank hold AON as of Q1 2026.

  • Morgan Stanley held 6,374,945 shares of Aon worth $2.06B as of Q1 2026.
  • Morgan Stanley bought 804,439 Aon shares in Q1 2026, an estimated $267M.
  • Aon made up 0.12% of Morgan Stanley's portfolio in Q1 2026, its #148 holding.
  • Morgan Stanley first reported a position in Aon in Q2 2013 and has held it in 52 quarters since.
  • Morgan Stanley's Aon position peaked at $3.6B in Q4 2023.
  • 1,252 funds tracked by Wall St. Rank held Aon as of Q1 2026.

Based on Morgan Stanley's 13F filing for Q1 2026, filed 15 May 2026.