Boston Partners
AAMI

Boston Partners’s Acadian Asset Management AAMI Stock Holding History

Boston Partners’s Portfolio AAMI Stock Details AAMI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$3.77M Sell
52,688
-4,845
-8% -$338K ﹤0.01% 531
2026
Q1 		$3.13M Buy
57,533
+2,409
+4% +$127K ﹤0.01% 530
2025
Q4 		$2.59M Sell
55,124
-1,064
-2% -$49K ﹤0.01% 536
2025
Q3 		$2.71M Buy
56,188
+7,104
+14% +$317K ﹤0.01% 528
2025
Q2 		$1.73M Buy
49,084
+15,618
+47% +$454K ﹤0.01% 547
2025
Q1 		$865K Buy
+33,466
New +$842K ﹤0.01% 576

Other funds holding AAMI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $69.6B AUM 42.52% 1-Year Est. Return

Boston Partners's AAMI Position: Q2 2026 in Review

Boston Partners reduced its Acadian Asset Management (AAMI) stake by 8.4% in Q2 2026, selling an estimated $338K and leaving 52,688 shares worth $3.77M. The position accounts for ﹤0.01% of the portfolio, ranked #531.

Boston Partners first reported a position in AAMI in Q1 2025 and has held it in 6 quarters since. 217 funds tracked by Wall St. Rank hold AAMI as of Q2 2026.

  • Boston Partners held 52,688 shares of Acadian Asset Management worth $3.77M as of Q2 2026.
  • Boston Partners sold 4,845 Acadian Asset Management shares in Q2 2026, an estimated $338K.
  • Acadian Asset Management made up ﹤0.01% of Boston Partners's portfolio in Q2 2026, its #531 holding.
  • Boston Partners first reported a position in Acadian Asset Management in Q1 2025 and has held it in 6 quarters since.
  • 217 funds tracked by Wall St. Rank held Acadian Asset Management as of Q2 2026.

Based on Boston Partners's 13F filing for Q2 2026, filed 4 Aug 2026.