Vanguard Group’s Acadian Asset Management AAMI Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
$110M Sell
2,335,363
-13,223
-0.6% -$609K ﹤0.01% 1835
2025
Q3
$113M Sell
2,348,586
-32,520
-1% -$1.45M ﹤0.01% 1806
2025
Q2
$83.9M Buy
2,381,106
+36,177
+2% +$1.05M ﹤0.01% 1900
2025
Q1
$60.6M Buy
2,344,929
+40,222
+2% +$1.01M ﹤0.01% 2013
2024
Q4
$60.7M Buy
2,304,707
+53,089
+2% +$1.49M ﹤0.01% 2084
2024
Q3
$57.2M Sell
2,251,618
-181,770
-7% -$4.36M ﹤0.01% 2121
2024
Q2
$53.9M Sell
2,433,388
-225,896
-8% -$5.1M ﹤0.01% 2115
2024
Q1
$60.7M Sell
2,659,284
-20,781
-0.8% -$448K ﹤0.01% 2078
2023
Q4
$51.4M Sell
2,680,065
-34,050
-1% -$602K ﹤0.01% 2179
2023
Q3
$52.6M Sell
2,714,115
-56,788
-2% -$1.17M ﹤0.01% 2112
2023
Q2
$58.1M Sell
2,770,903
-104,698
-4% -$2.33M ﹤0.01% 2123
2023
Q1
$67.8M Sell
2,875,601
-146,797
-5% -$3.45M ﹤0.01% 2026
2022
Q4
$62.2M Sell
3,022,398
-18,223
-0.6% -$344K ﹤0.01% 2063
2022
Q3
$45.3M Buy
3,040,621
+67,179
+2% +$1.21M ﹤0.01% 2228
2022
Q2
$53.6M Buy
2,973,442
+332,598
+13% +$6.81M ﹤0.01% 2163
2022
Q1
$64M Sell
2,640,844
-121,436
-4% -$2.89M ﹤0.01% 2182
2021
Q4
$70.7M Sell
2,762,280
-1,886,825
-41% -$53.1M ﹤0.01% 2159
2021
Q3
$121M Sell
4,649,105
-255,602
-5% -$6.58M ﹤0.01% 1881
2021
Q2
$115M Sell
4,904,707
-191,179
-4% -$4.35M ﹤0.01% 1930
2021
Q1
$104M Buy
5,095,886
+156,833
+3% +$3.09M ﹤0.01% 1930
2020
Q4
$95.2M Buy
4,939,053
+102,752
+2% +$1.73M ﹤0.01% 1854
2020
Q3
$62.4M Buy
4,836,301
+298,618
+7% +$3.93M ﹤0.01% 1902
2020
Q2
$56.5M Buy
4,537,683
+161,457
+4% +$1.32M ﹤0.01% 1949
2020
Q1
$28M Sell
4,376,226
-13,035
-0.3% -$113K ﹤0.01% 2136
2019
Q4
$44.9M Buy
4,389,261
+751,778
+21% +$7.33M ﹤0.01% 2168
2019
Q3
$36M Buy
3,637,483
+2,418,841
+198% +$24.6M ﹤0.01% 2224
2019
Q2
$13.9M Buy
1,218,642
+145,430
+14% +$1.84M ﹤0.01% 2684
2019
Q1
$14.6M Buy
1,073,212
+305,842
+40% +$3.95M ﹤0.01% 2643
2018
Q4
$8.2M Buy
767,370
+9,963
+1% +$120K ﹤0.01% 2861
2018
Q3
$9.39M Buy
757,407
+4,395
+0.6% +$57.7K ﹤0.01% 2948
2018
Q2
$10.7M Buy
753,012
+274,694
+57% +$4.2M ﹤0.01% 2866
2018
Q1
$7.54M Buy
478,318
+28,439
+6% +$469K ﹤0.01% 2963
2017
Q4
$7.54M Buy
449,879
+21,685
+5% +$344K ﹤0.01% 2962
2017
Q3
$6.39M Sell
428,194
-226,363
-35% -$3.23M ﹤0.01% 3014
2017
Q2
$9.73M Sell
654,557
-346,758
-35% -$5.13M ﹤0.01% 2787
2017
Q1
$15.1M Buy
1,001,315
+133,054
+15% +$1.96M ﹤0.01% 2567
2016
Q4
$12.6M Buy
868,261
+62,652
+8% +$889K ﹤0.01% 2637
2016
Q3
$11.2M Buy
805,609
+12,618
+2% +$171K ﹤0.01% 2636
2016
Q2
$10.6M Buy
792,991
+17,764
+2% +$248K ﹤0.01% 2619
2016
Q1
$10.3M Buy
775,227
+425,941
+122% +$5.09M ﹤0.01% 2595
2015
Q4
$5.35M Buy
349,286
+84,876
+32% +$1.31M ﹤0.01% 2960
2015
Q3
$4.08M Buy
264,410
+45,873
+21% +$774K ﹤0.01% 3062
2015
Q2
$3.89M Buy
218,537
+179,787
+464% +$3.41M ﹤0.01% 3131
2015
Q1
$722K Buy
38,750
+391
+1% +$6.55K ﹤0.01% 3718
2014
Q4
$623K Buy
+38,359
New +$589K ﹤0.01% 3665

Other funds holding AAMI

Vanguard Group's AAMI Position: Q4 2025 in Review

Vanguard Group reduced its Acadian Asset Management (AAMI) stake by 0.56% in Q4 2025, selling an estimated $609K and leaving 2,335,363 shares worth $110M. The position accounts for ﹤0.01% of the portfolio, ranked #1835.

Vanguard Group first reported a position in AAMI in Q4 2014 and has held it in 45 quarters since. The position peaked at $121M in Q3 2021. 257 funds tracked by Wall St. Rank hold AAMI as of Q4 2025.

  • Vanguard Group held 2,335,363 shares of Acadian Asset Management worth $110M as of Q4 2025.
  • Vanguard Group sold 13,223 Acadian Asset Management shares in Q4 2025, an estimated $609K.
  • Acadian Asset Management made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #1835 holding.
  • Vanguard Group first reported a position in Acadian Asset Management in Q4 2014 and has held it in 45 quarters since.
  • Vanguard Group's Acadian Asset Management position peaked at $121M in Q3 2021.
  • 257 funds tracked by Wall St. Rank held Acadian Asset Management as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.