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ACM in the 13F filings

Aecom Technology Corp · CUSIP 00766T100

Sector · Business and payment services
Quarter
Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023Q3 2023
Quarter end
31 Dec 2025
the date the book describes
Filed
27 Oct 2026
latest of these filings; the earliest 10 Feb 2026
Managers listing it
32
at least, of 95 tracked, among listed positions
Comparable managers
92
filed both Q3 2025 and Q4 2025; 9 listed it in both
Shares listed
11,791,790
combined, among listed positions
Reported value
$1.1bn
combined, at the quarter end

Among the 92 comparable managers: 23 buyers (opened or added shares) and 11 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was +186,462.

Managers listing ACM in Q4 2025

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q3 2025, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

32 of 32 holders

ActionFiling
Invesco Ltd4,316,643$412munder 0.1%Trimmed-663,31719 Feb 2026 (the filing on sec.gov)
AllianceBernstein LP1,516,644$145munder 0.1%Trimmed-1,090,67117 Feb 2026 (the filing on sec.gov)
Fidelity (FMR LLC)1,186,429$113munder 0.1%Trimmed-629,99417 Feb 2026 (the filing on sec.gov)
Renaissance Technologies LLC637,577$61m0.09%Added+187,60012 Feb 2026 (the filing on sec.gov)
Citadel Advisors LLC514,743$49munder 0.1%Added+430,04917 Feb 2026 (the filing on sec.gov)
Jane Street Group LLC464,605$44munder 0.1%Added+362,53012 Feb 2026 (the filing on sec.gov)
Marshall Wace LLP461,674$44munder 0.1%Added+458,32213 Feb 2026 (the filing on sec.gov)
Two Sigma Investments LP387,207$37m0.05%Added+218,40017 Feb 2026 (the filing on sec.gov)
Millennium Management LLC378,523$36munder 0.1%Added+345,01217 Feb 2026 (the filing on sec.gov)
D. E. Shaw & Co.358,937$34munder 0.1%Added+357,11017 Feb 2026 (the filing on sec.gov)
Voloridge Investment Management LLC259,842$25m0.09%Trimmed-2,68517 Feb 2026 (the filing on sec.gov)
Verition Fund Management LLC209,451$20m0.08%Added+36,36313 Feb 2026 (the filing on sec.gov)
T. Rowe Price Associates Inc194,092$19munder 0.1%Added+18,63817 Feb 2026 (the filing on sec.gov)
AQR Capital Management LLC170,783$16munder 0.1%Trimmed-1,46017 Feb 2026 (the filing on sec.gov)
Squarepoint Ops LLC133,918$13munder 0.1%Added+64,90713 Feb 2026 (the filing on sec.gov)
Two Sigma Advisers LP113,900$11munder 0.1%Trimmed-123,39917 Feb 2026 (the filing on sec.gov)
Tudor Investment Corp94,016$9.0munder 0.1%Newnew17 Feb 2026 (the filing on sec.gov)
Man Group PLC60,878$5.8munder 0.1%Added+36,32017 Feb 2026 (the filing on sec.gov)
ExodusPoint Capital Management LP58,407$5.6munder 0.1%Added+48,93317 Feb 2026 (the filing on sec.gov)
Holocene Advisors LP56,232$5.4munder 0.1%Trimmed-5,61717 Feb 2026 (the filing on sec.gov)
Quantbot Technologies LP47,947$4.6m0.15%Newnew10 Feb 2026 (the filing on sec.gov)
Schonfeld Strategic Advisors LLC44,323$4.2munder 0.1%Added+40,21017 Feb 2026 (the filing on sec.gov)
Bridgewater Associates LP42,675$4.1munder 0.1%Trimmed-15,40013 Feb 2026 (the filing on sec.gov)
Arrowstreet Capital LP19,660$1.9munder 0.1%Newnew13 Feb 2026 (the filing on sec.gov)
Wellington Management Group LLP19,091$1.8munder 0.1%Added+1,44617 Feb 2026 (the filing on sec.gov)
Page 1 of 2

Largest increases and reductions, by shares

Q3 2025 to Q4 2025, among managers that listed it in both quarters or opened it.

Increases

Reductions

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

New (6)

Exited (2)

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.
13 in Q3 2024 to 13 in Q2 2026

Tracked managers listing it, at least.

0510152014201620182020202220242026
the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.
ACM by quarter
QuarterHoldersReported valueBuyersSellers
Q2 20134$490mn.a.n.a.
Q3 20133$517mn.a.n.a.
Q4 20135$505mn.a.n.a.
Q1 20144$577mn.a.n.a.
Q2 20147$612mn.a.n.a.
Q3 201410$1.1bnn.a.n.a.
Q4 20146$1.2bnn.a.n.a.
Q1 20154$1.3bnn.a.n.a.
Q2 20155$1.4bnn.a.n.a.
Q3 20155$910mn.a.n.a.
Q4 20155$980mn.a.n.a.
Q1 20164$989mn.a.n.a.
Q2 20165$954mn.a.n.a.
Q3 20166$905mn.a.n.a.
Q4 201610$1.2bnn.a.n.a.
Q1 20175$1.1bnn.a.n.a.
Q2 20176$935mn.a.n.a.
Q3 20175$961mn.a.n.a.
Q4 20176$1.1bnn.a.n.a.
Q1 20184$1.1bnn.a.n.a.
Q2 20185$984mn.a.n.a.
Q3 20182$841mn.a.n.a.
Q4 20184$782mn.a.n.a.
Q1 20196$713mn.a.n.a.
Q2 20195$1.0bnn.a.n.a.
Q3 20198$1.2bnn.a.n.a.
Q4 20199$1.4bnn.a.n.a.
Q1 202011$1.2bnn.a.n.a.
Q2 202012$1.5bnn.a.n.a.
Q3 202012$1.5bnn.a.n.a.
Q4 202012$1.5bnn.a.n.a.
Q1 20218$1.7bnn.a.n.a.
Q2 20217$1.5bnn.a.n.a.
Q3 20217$1.4bnn.a.n.a.
Q4 20216$1.6bnn.a.n.a.
Q1 20225$1.8bnn.a.n.a.
Q2 20226$1.2bnn.a.n.a.
Q3 20226$1.3bnn.a.n.a.
Q4 20229$1.5bnn.a.n.a.
Q1 20239$1.1bnn.a.n.a.
Q2 20237$883mn.a.n.a.
Q3 20236$739mn.a.n.a.
Q4 202310$797m73
Q1 202414$894m113
Q2 202412$679m94
Q3 202413$1.0bn86
Q4 20249$701m53
Q1 202511$511m74
Q2 202511$986m56
Q3 202510$1.2bn46
Q4 202511$759m2311
Q1 202612$279m2510
Q2 202613$549m2116

Compare with…

Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.

ACM and V →ACM and MA →ACM and MCO →Choose a stock to compare with ACM →

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.

Which funds own ACM, latest filings →Back to the 13F Explorer →