SEI Investments’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
2026
Q1
$1.47M Buy
26,930
+9,937
+58% +$523K ﹤0.01% 2166
2025
Q4
$799K Sell
16,993
-9,642
-36% -$444K ﹤0.01% 2283
2025
Q3
$1.28M Sell
26,635
-3,923
-13% -$175K ﹤0.01% 1878
2025
Q2
$1.08M Buy
+30,558
New +$888K ﹤0.01% 1897
2025
Q1
Sell
-8,354
Closed -$220K 2850
2024
Q4
$220K Buy
+8,354
New +$234K ﹤0.01% 2455
2022
Q4
Sell
-33,096
Closed -$493K 2696
2022
Q3
$493K Sell
33,096
-18,357
-36% -$329K ﹤0.01% 2092
2022
Q2
$927K Buy
51,453
+1,500
+3% +$30.7K ﹤0.01% 1859
2022
Q1
$1.21M Buy
49,953
+4,408
+10% +$105K ﹤0.01% 1747
2021
Q4
$1.17M Sell
45,545
-18,360
-29% -$517K ﹤0.01% 1787
2021
Q3
$1.67M Sell
63,905
-5,256
-8% -$135K ﹤0.01% 1581
2021
Q2
$1.62M Sell
69,161
-14,913
-18% -$339K ﹤0.01% 1610
2021
Q1
$1.7M Sell
84,074
-3,810
-4% -$75.1K ﹤0.01% 1525
2020
Q4
$1.7M Sell
87,884
-108,236
-55% -$1.82M ﹤0.01% 1462
2020
Q3
$2.53M Buy
196,120
+27,346
+16% +$360K 0.01% 1178
2020
Q2
$2.09M Sell
168,774
-1,539
-0.9% -$12.6K 0.01% 1241
2020
Q1
$1.07M Sell
170,313
-23,847
-12% -$206K ﹤0.01% 1437
2019
Q4
$1.97M Sell
194,160
-12,295
-6% -$120K 0.01% 1348
2019
Q3
$2.02M Buy
206,455
+25,494
+14% +$259K 0.01% 1330
2019
Q2
$2.06M Buy
180,961
+23,492
+15% +$297K 0.01% 1319
2019
Q1
$2.13M Buy
157,469
+27,500
+21% +$355K 0.01% 1283
2018
Q4
$1.61M Hold
129,969
0.01% 1379
2018
Q3
$1.61M Sell
129,969
-7,260
-5% -$95.4K 0.01% 1325
2018
Q2
$1.96M Buy
137,229
+14,267
+12% +$218K 0.01% 1340
2018
Q1
$1.94M Sell
122,962
-3,716
-3% -$61.3K 0.01% 1216
2017
Q4
$2.12M Buy
126,678
+43,818
+53% +$695K 0.01% 1252
2017
Q3
$1.24M Sell
82,860
-16,160
-16% -$230K ﹤0.01% 1391
2017
Q2
$1.47M Buy
99,020
+15,988
+19% +$237K 0.01% 1314
2017
Q1
$1.26M Buy
83,032
+5,639
+7% +$83.1K 0.01% 1321
2016
Q4
$1.12M Buy
77,393
+76,998
+19,493% +$1.09M 0.01% 1332
2016
Q3
$6K Buy
395
+283
+253% +$3.83K ﹤0.01% 2507
2016
Q2
$1K Buy
112
+12
+12% +$167 ﹤0.01% 2581
2016
Q1
$1K Buy
+100
New +$1.2K ﹤0.01% 2459

Other funds holding AAMI

SEI Investments's AAMI Position: Q1 2026 in Review

SEI Investments increased its Acadian Asset Management (AAMI) stake by 58% in Q1 2026, buying an estimated $523K and bringing the position to 26,930 shares worth $1.47M. The position accounts for ﹤0.01% of the portfolio, ranked #2166.

SEI Investments first reported a position in AAMI in Q1 2016 and has held it in 32 quarters since. The position peaked at $2.53M in Q3 2020. 257 funds tracked by Wall St. Rank hold AAMI as of Q1 2026.

  • SEI Investments held 26,930 shares of Acadian Asset Management worth $1.47M as of Q1 2026.
  • SEI Investments bought 9,937 Acadian Asset Management shares in Q1 2026, an estimated $523K.
  • Acadian Asset Management made up ﹤0.01% of SEI Investments's portfolio in Q1 2026, its #2166 holding.
  • SEI Investments first reported a position in Acadian Asset Management in Q1 2016 and has held it in 32 quarters since.
  • SEI Investments's Acadian Asset Management position peaked at $2.53M in Q3 2020.
  • 257 funds tracked by Wall St. Rank held Acadian Asset Management as of Q1 2026.

Based on SEI Investments's 13F filing for Q1 2026, filed 13 May 2026.