Morgan Stanley’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
$29.3M Buy
537,643
+5,128
+1% +$270K ﹤0.01% 2597
2025
Q4
$25M Buy
532,515
+61,751
+13% +$2.85M ﹤0.01% 2720
2025
Q3
$22.7M Buy
470,764
+21,815
+5% +$972K ﹤0.01% 2768
2025
Q2
$15.8M Buy
448,949
+25,497
+6% +$741K ﹤0.01% 3034
2025
Q1
$11M Sell
423,452
-92,839
-18% -$2.33M ﹤0.01% 3253
2024
Q4
$13.6M Buy
516,291
+38,384
+8% +$1.08M ﹤0.01% 3116
2024
Q3
$12.1M Buy
477,907
+66,981
+16% +$1.61M ﹤0.01% 3276
2024
Q2
$9.11M Sell
410,926
-146,994
-26% -$3.32M ﹤0.01% 3394
2024
Q1
$12.7M Sell
557,920
-499,484
-47% -$10.8M ﹤0.01% 3140
2023
Q4
$20.3M Buy
1,057,404
+669,998
+173% +$11.8M ﹤0.01% 3335
2023
Q3
$7.51M Sell
387,406
-9,683
-2% -$200K ﹤0.01% 3385
2023
Q2
$8.32M Buy
397,089
+58,266
+17% +$1.3M ﹤0.01% 3338
2023
Q1
$7.99M Sell
338,823
-3,855
-1% -$90.7K ﹤0.01% 3356
2022
Q4
$7.05M Buy
342,678
+9,507
+3% +$180K ﹤0.01% 3426
2022
Q3
$4.97M Sell
333,171
-97,021
-23% -$1.74M ﹤0.01% 3701
2022
Q2
$7.75M Sell
430,192
-77,041
-15% -$1.58M ﹤0.01% 3345
2022
Q1
$12.3M Sell
507,233
-159,278
-24% -$3.79M ﹤0.01% 2668
2021
Q4
$17.1M Sell
666,511
-83,531
-11% -$2.35M ﹤0.01% 2325
2021
Q3
$19.6M Sell
750,042
-1,705
-0.2% -$43.9K ﹤0.01% 2107
2021
Q2
$17.6M Buy
751,747
+366,581
+95% +$8.34M ﹤0.01% 2295
2021
Q1
$7.85M Sell
385,166
-526,313
-58% -$10.4M ﹤0.01% 2906
2020
Q4
$17.6M Buy
911,479
+694,555
+320% +$11.7M ﹤0.01% 1933
2020
Q3
$2.8M Sell
216,924
-16,135
-7% -$213K ﹤0.01% 3332
2020
Q2
$2.9M Buy
233,059
+217,625
+1,410% +$1.78M ﹤0.01% 3224
2020
Q1
$99K Sell
15,434
-83,461
-84% -$721K ﹤0.01% 5195
2019
Q4
$1.01M Buy
98,895
+71,575
+262% +$698K ﹤0.01% 4522
2019
Q3
$271K Sell
27,320
-33,761
-55% -$343K ﹤0.01% 4984
2019
Q2
$697K Sell
61,081
-147,206
-71% -$1.86M ﹤0.01% 4432
2019
Q1
$2.83M Buy
208,287
+65,109
+45% +$841K ﹤0.01% 3280
2018
Q4
$1.53M Sell
143,178
-159,483
-53% -$1.92M ﹤0.01% 3980
2018
Q3
$3.75M Sell
302,661
-93,256
-24% -$1.22M ﹤0.01% 3482
2018
Q2
$5.64M Sell
395,917
-14,999
-4% -$230K ﹤0.01% 3015
2018
Q1
$6.48M Sell
410,916
-450,523
-52% -$7.43M ﹤0.01% 2750
2017
Q4
$14.4M Buy
861,439
+213,771
+33% +$3.39M ﹤0.01% 2015
2017
Q3
$9.66M Buy
647,668
+51,678
+9% +$737K ﹤0.01% 2317
2017
Q2
$8.86M Buy
595,990
+418,720
+236% +$6.2M ﹤0.01% 2286
2017
Q1
$2.68M Sell
177,270
-311,328
-64% -$4.59M ﹤0.01% 3542
2016
Q4
$7.08M Buy
488,598
+155,388
+47% +$2.2M ﹤0.01% 2629
2016
Q3
$4.63M Sell
333,210
-33,863
-9% -$459K ﹤0.01% 2726
2016
Q2
$4.9M Buy
367,073
+14,085
+4% +$196K ﹤0.01% 2624
2016
Q1
$4.71M Buy
352,988
+205,982
+140% +$2.46M ﹤0.01% 2589
2015
Q4
$2.25M Sell
147,006
-82,230
-36% -$1.27M ﹤0.01% 3389
2015
Q3
$3.54M Sell
229,236
-202,874
-47% -$3.43M ﹤0.01% 2957
2015
Q2
$7.69M Buy
432,110
+375,397
+662% +$7.12M ﹤0.01% 2374
2015
Q1
$1.06M Sell
56,713
-155,773
-73% -$2.61M ﹤0.01% 4089
2014
Q4
$3.45M Buy
+212,486
New +$3.26M ﹤0.01% 3076

Other funds holding AAMI

Morgan Stanley's AAMI Position: Q1 2026 in Review

Morgan Stanley increased its Acadian Asset Management (AAMI) stake by 0.96% in Q1 2026, buying an estimated $270K and bringing the position to 537,643 shares worth $29.3M. The position accounts for ﹤0.01% of the portfolio, ranked #2597.

Morgan Stanley first reported a position in AAMI in Q4 2014 and has held it in 46 quarters since. 257 funds tracked by Wall St. Rank hold AAMI as of Q1 2026.

  • Morgan Stanley held 537,643 shares of Acadian Asset Management worth $29.3M as of Q1 2026.
  • Morgan Stanley bought 5,128 Acadian Asset Management shares in Q1 2026, an estimated $270K.
  • Acadian Asset Management made up ﹤0.01% of Morgan Stanley's portfolio in Q1 2026, its #2597 holding.
  • Morgan Stanley first reported a position in Acadian Asset Management in Q4 2014 and has held it in 46 quarters since.
  • 257 funds tracked by Wall St. Rank held Acadian Asset Management as of Q1 2026.

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