Marshall Wace’s Aecom ACM Stock Holding History

Marshall Wace’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	$1.55M	Sell	22,261 -35,679	-62%	-$2.73M	﹤0.01%	1989
2026 Q1	$4.91M	Sell	57,940 -403,734	-87%	-$38.3M	﹤0.01%	1315
2025 Q4	$44M	Buy	461,674 +458,322	+13,673%	+$53.9M	0.04%	374
2025 Q3	$437K	Buy	+3,352	New	+$405K	﹤0.01%	2280
2024 Q2	–	Sell	-112,466	Closed	-$11M	–	2491
2024 Q1	$11M	Buy	112,466 +11,663	+12%	+$1.05M	0.02%	717
2023 Q4	$9.32M	Sell	100,803 -256,571	-72%	-$21.8M	0.02%	714
2023 Q3	$29.7M	Sell	357,374 -122,554	-26%	-$10.6M	0.06%	326
2023 Q2	$40.6M	Buy	+479,928	New	+$39.4M	0.08%	268
2020 Q2	–	Sell	-51,766	Closed	-$1.54M	–	1492
2020 Q1	$1.54M	Buy	+51,766	New	+$2.21M	0.02%	701
2017 Q1	–	Sell	-12,403	Closed	-$451K	–	297
2016 Q4	$451K	Buy	+12,403	New	+$412K	﹤0.01%	852
2014 Q4	–	Sell	-7,500	Closed	-$253K	–	788
2014 Q3	$253K	Hold	7,500	–	–	﹤0.01%	735
2014 Q2	$241K	Sell	7,500 -4,500	-38%	-$145K	﹤0.01%	810
2014 Q1	$386K	Buy	+12,000	New	+$366K	0.01%	638

Other funds holding ACM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Marshall Wace's ACM Position: Q2 2026 in Review

Marshall Wace reduced its Aecom (ACM) stake by 62% in Q2 2026, selling an estimated $2.73M and leaving 22,261 shares worth $1.55M. The position accounts for ﹤0.01% of the portfolio, ranked #1989.

Marshall Wace first reported a position in ACM in Q1 2014 and has held it in 13 quarters since. The position peaked at $44M in Q4 2025. 572 funds tracked by Wall St. Rank hold ACM as of Q2 2026.

Marshall Wace held 22,261 shares of Aecom worth $1.55M as of Q2 2026.
Marshall Wace sold 35,679 Aecom shares in Q2 2026, an estimated $2.73M.
Aecom made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #1989 holding.
Marshall Wace first reported a position in Aecom in Q1 2014 and has held it in 13 quarters since.
Marshall Wace's Aecom position peaked at $44M in Q4 2025.
572 funds tracked by Wall St. Rank held Aecom as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.