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PDT Partners’s Aecom ACM Stock Holding History

PDT Partners’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
2025
Q4 		– Sell
-6,891
Closed -$899K – 549
2025
Q3 		$899K Buy
+6,891
New +$832K 0.06% 372
2022
Q4 		– Sell
-5,979
Closed -$409K – 609
2022
Q3 		$409K Sell
5,979
-5,135
-46% -$364K 0.06% 491
2022
Q2 		$725K Buy
+11,114
New +$777K 0.06% 498
2019
Q2 		– Sell
-99,800
Closed -$2.96M – 410
2019
Q1 		$2.96M Sell
99,800
-34,743
-26% -$1.04M 0.17% 156
2018
Q4 		$3.56M Buy
+134,543
New +$4.09M 0.2% 147
2013
Q3 		– Sell
-37,702
Closed -$1.2M – 1469
2013
Q2 		$1.2M Buy
+37,702
New +$1.14M 0.03% 744

Other funds holding ACM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $94.8B AUM 24.11% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $935B AUM

PDT Partners's ACM Position: Q4 2025 in Review

PDT Partners sold out of Aecom (ACM) in Q4 2025, closing a stake of 6,891 shares — an estimated $899K sold.

PDT Partners first reported a position in ACM in Q2 2013 and held it in 6 quarters. The position peaked at $3.56M in Q4 2018. 641 funds tracked by Wall St. Rank hold ACM as of Q4 2025.

  • PDT Partners reported no remaining Aecom position as of Q4 2025 after selling out during the quarter.
  • PDT Partners sold 6,891 Aecom shares in Q4 2025, an estimated $899K.
  • PDT Partners first reported a position in Aecom in Q2 2013 and held it in 6 quarters.
  • PDT Partners's Aecom position peaked at $3.56M in Q4 2018.
  • 641 funds tracked by Wall St. Rank held Aecom as of Q4 2025.

Based on PDT Partners's 13F filing for Q4 2025, filed 17 Feb 2026.