Magnetar Financial’s Aecom ACM Stock Holding History

Magnetar Financial’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	$1.15M	Buy	16,496 +5,055	+44%	+$387K	0.01%	414
2026 Q1	$970K	Sell	11,441 -4,991	-30%	-$473K	0.01%	486
2025 Q4	$1.57M	Buy	+16,432	New	+$1.93M	0.02%	380
2025 Q3	–	Sell	-2,055	Closed	-$232K	–	862
2025 Q2	$232K	Sell	2,055 -119,934	-98%	-$12.5M	﹤0.01%	764
2025 Q1	$11.3M	Buy	+121,989	New	+$12.4M	0.15%	85
2024 Q3	–	Sell	-8,230	Closed	-$725K	–	508
2024 Q2	$725K	Buy	+8,230	New	+$751K	0.02%	303
2023 Q4	–	Sell	-8,489	Closed	-$705K	–	359
2023 Q3	$705K	Buy	+8,489	New	+$732K	0.02%	284
2023 Q2	–	Sell	-15,535	Closed	-$1.31M	–	476
2023 Q1	$1.31M	Buy	+15,535	New	+$1.34M	0.03%	350
2021 Q4	–	Sell	-12,856	Closed	-$812K	–	1352
2021 Q3	$812K	Sell	12,856 -3,177	-20%	-$202K	0.01%	777
2021 Q2	$1.01M	Buy	+16,033	New	+$1.05M	0.01%	719
2020 Q4	–	Sell	-5,516	Closed	-$231K	–	700
2020 Q3	$231K	Buy	+5,516	New	+$210K	﹤0.01%	585
2020 Q2	–	Sell	-31,683	Closed	-$946K	–	422
2020 Q1	$946K	Buy	+31,683	New	+$1.36M	0.02%	193

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

Magnetar Financial's ACM Position: Q2 2026 in Review

Magnetar Financial increased its Aecom (ACM) stake by 44% in Q2 2026, buying an estimated $387K and bringing the position to 16,496 shares worth $1.15M. The position accounts for 0.01% of the portfolio, ranked #414.

Magnetar Financial first reported a position in ACM in Q1 2020 and has held it in 12 quarters since. The position peaked at $11.3M in Q1 2025. 574 funds tracked by Wall St. Rank hold ACM as of Q2 2026.

Magnetar Financial held 16,496 shares of Aecom worth $1.15M as of Q2 2026.
Magnetar Financial bought 5,055 Aecom shares in Q2 2026, an estimated $387K.
Aecom made up 0.01% of Magnetar Financial's portfolio in Q2 2026, its #414 holding.
Magnetar Financial first reported a position in Aecom in Q1 2020 and has held it in 12 quarters since.
Magnetar Financial's Aecom position peaked at $11.3M in Q1 2025.
574 funds tracked by Wall St. Rank held Aecom as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.