Robeco Institutional Asset Management
ACM icon

Robeco Institutional Asset Management’s Aecom ACM Stock Holding History

Robeco Institutional Asset Management’s Portfolio ACM Stock Details ACM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$21.2M Buy
303,028
+48,077
+19% +$3.68M 0.03% 358
2026
Q1 		$21.6M Buy
254,951
+143,969
+130% +$13.6M 0.03% 329
2025
Q4 		$10.6M Sell
110,982
-2,256
-2% -$265K 0.02% 426
2025
Q3 		$14.8M Buy
113,238
+5,576
+5% +$673K 0.02% 386
2025
Q2 		$12.2M Buy
107,662
+6,466
+6% +$671K 0.02% 430
2025
Q1 		$9.38M Buy
101,196
+3,258
+3% +$330K 0.02% 449
2024
Q4 		$10.5M Buy
97,938
+46,486
+90% +$5.08M 0.02% 443
2024
Q3 		$5.31M Sell
51,452
-8,499
-14% -$798K 0.01% 540
2024
Q2 		$5.28M Sell
59,951
-62,172
-51% -$5.67M 0.01% 528
2024
Q1 		$12M Buy
122,123
+5,403
+5% +$488K 0.03% 411
2023
Q4 		$10.8M Sell
116,720
-621,249
-84% -$52.7M 0.03% 425
2023
Q3 		$61.3M Sell
737,969
-10,843
-1% -$935K 0.16% 145
2023
Q2 		$63.4M Buy
748,812
+17,061
+2% +$1.4M 0.17% 144
2023
Q1 		$61.7M Buy
731,751
+727,694
+17,937% +$62.7M 0.17% 146
2022
Q4 		$345K Hold
4,057
– – ﹤0.01% 878
2022
Q3 		$277K Hold
4,057
– – ﹤0.01% 810
2022
Q2 		$265K Sell
4,057
-899,000
-100% -$62.9M ﹤0.01% 812
2022
Q1 		$69.4M Buy
903,057
+26,057
+3% +$1.91M 0.16% 151
2021
Q4 		$67.8M Buy
877,000
+91,000
+12% +$6.39M 0.14% 160
2021
Q3 		$49.6M Buy
786,000
+369,000
+88% +$23.5M 0.11% 212
2021
Q2 		$26.4M Buy
+417,000
New +$27.3M 0.06% 312
2014
Q3 		– Sell
-34,300
Closed -$1.1M – 756
2014
Q2 		$1.1M Hold
34,300
– – 0.01% 520
2014
Q1 		$1.1M Buy
+34,300
New +$1.05M 0.01% 494
2013
Q4 		– Sell
-100,604
Closed -$3.15M – 691
2013
Q3 		$3.15M Hold
100,604
– – 0.03% 315
2013
Q2 		$3.2M Buy
+100,604
New +$3.04M 0.03% 313

Other funds holding ACM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
DekaBank Deutsche Girozentrale
DekaBank Deutsche Girozentrale Frankfurt, Germany $59.2B AUM 26.02% 1-Year Est. Return
Ninety One (UK)
Ninety One (UK) London, United Kingdom $44.7B AUM 17.24% 1-Year Est. Return
SG Americas Securities
SG Americas Securities New York $179B AUM 65.34% 1-Year Est. Return
PL
Perpetual Ltd Sydney, New South Wales, Australia $7B AUM 19.75% 1-Year Est. Return
RS
Robeco Schweiz Zurich, Switzerland $6.23B AUM 86.54% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return
Retirement Systems of Alabama
Retirement Systems of Alabama Montgomery, Alabama $33.2B AUM 38.15% 1-Year Est. Return

Robeco Institutional Asset Management's ACM Position: Q2 2026 in Review

Robeco Institutional Asset Management increased its Aecom (ACM) stake by 19% in Q2 2026, buying an estimated $3.68M and bringing the position to 303,028 shares worth $21.2M. The position accounts for 0.03% of the portfolio, ranked #358.

Robeco Institutional Asset Management first reported a position in ACM in Q2 2013 and has held it in 25 quarters since. The position peaked at $69.4M in Q1 2022. 262 funds tracked by Wall St. Rank hold ACM as of Q2 2026.

  • Robeco Institutional Asset Management held 303,028 shares of Aecom worth $21.2M as of Q2 2026.
  • Robeco Institutional Asset Management bought 48,077 Aecom shares in Q2 2026, an estimated $3.68M.
  • Aecom made up 0.03% of Robeco Institutional Asset Management's portfolio in Q2 2026, its #358 holding.
  • Robeco Institutional Asset Management first reported a position in Aecom in Q2 2013 and has held it in 25 quarters since.
  • Robeco Institutional Asset Management's Aecom position peaked at $69.4M in Q1 2022.
  • 262 funds tracked by Wall St. Rank held Aecom as of Q2 2026.

Based on Robeco Institutional Asset Management's 13F filing for Q2 2026, filed 21 Jul 2026.