Twin Tree Management’s Aecom ACM Stock Holding History

Twin Tree 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
2022 Q4	–	Sell	-39,800	Closed	-$2.72M	–	1250
2022 Q3	$2.72M	Sell	39,800 -19,000	-32%	-$1.35M	0.01%	888
2022 Q2	$3.83M	Sell	58,800 -189,800	-76%	-$13.3M	0.01%	923
2022 Q1	$19.1M	Sell	248,600 -4,800	-2%	-$352K	0.03%	488
2021 Q4	$19.6M	Buy	+253,400	New	+$17.8M	0.04%	417
2018 Q1	–	Sell	-60,200	Closed	-$2.24M	–	1075
2017 Q4	$2.24M	Buy	60,200 +32,300	+116%	+$1.17M	0.02%	576
2017 Q3	$1.03M	Sell	27,900 -36,400	-57%	-$1.2M	0.01%	668
2017 Q2	$2.08M	Buy	64,300 +12,700	+25%	+$421K	0.02%	547
2017 Q1	$1.84M	Buy	51,600 +51,400	+25,700%	+$1.88M	0.02%	584
2016 Q4	$7K	Buy	+200	New	+$6.64K	﹤0.01%	1111
2016 Q3	–	Sell	-10,500	Closed	-$334K	–	1106
2016 Q2	$334K	Buy	+10,500	New	+$332K	0.01%	900

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

Twin Tree Management's ACM Position: Q2 2026 in Review

Twin Tree Management opened a new position in Aecom (ACM) in Q2 2026: 2,376 shares worth $166K. The stake represents ﹤0.01% of the portfolio and ranks #1227 among its holdings. This is a return to the name: Twin Tree Management previously reported a position in ACM as recently as Q1 2025.

Twin Tree Management first reported a position in ACM in Q2 2016 and has held it in 17 quarters since. The position peaked at $6.32M in Q3 2021. 574 funds tracked by Wall St. Rank hold ACM as of Q2 2026.

Twin Tree Management held 2,376 shares of Aecom worth $166K as of Q2 2026.
Aecom was a new Twin Tree Management position in Q2 2026.
Aecom made up ﹤0.01% of Twin Tree Management's portfolio in Q2 2026, its #1227 holding.
Twin Tree Management first reported a position in Aecom in Q2 2016 and has held it in 17 quarters since.
Twin Tree Management's Aecom position peaked at $6.32M in Q3 2021.
574 funds tracked by Wall St. Rank held Aecom as of Q2 2026.

Based on Twin Tree Management's 13F filing for Q2 2026, filed 12 Aug 2026.