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Security record · archived quarter

ACM

Aecom · Industrials · Engineering & Construction

58.94 -0.3% mkt cap $7.59B quote delayed (FMP) · as of Oct 18 03:59 UTC · separate from filing data below

Q3 2026 Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024
152Tracked holders
-1Δ holders
88.46MShares held
$7.51BReported value
+8New positions
−10Exits
Stable Conviction score 38/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth -0.7% · share flow -0.1% · net new positions -1.3% · formula
Broad distribution: falling shares and fewer holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q3 2026 3 0 766.58K $45.21M n/a n/a
Q2 2026 144 -6 91.10M $6.37B +7 −12
Q1 2026 152 -1 88.46M $7.51B +8 −10
Q4 2025 153 +1 97.15M $9.26B +2 n/a
Q3 2025 21 0 50.79M $6.63B +2 −3
Q2 2025 19 0 50.24M $5.67B n/a n/a
Q1 2025 16 +2 21.16M $1.96B +2 n/a
Q4 2024 14 0 22.63M $2.42B +1 −1
Q3 2024 13 -1 19.01M $1.96B +1 −2
Q2 2024 14 n/a 20.04M $1.77B n/a n/a
Holder count
Who holds it · Q1 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock ✦ (passive) 15.76M +3.6% $1.34B 0.0% ▲ Add 4 SEC ↗ ×21
2 PRIMECAP Management ✦ 8.65M -0.2% $733.44M 0.6% ▼ Trim 8 SEC ↗
3 Vanguard Capital Management Llc 5.80M n/a $491.99M 0.0% n/c 1 SEC ↗
4 State Street Global Advisors ✦ (passive) 5.04M 0.0% $427.62M 0.0% ▼ Trim 6 SEC ↗
5 Invesco Ltd. 3.58M -17.2% $303.26M 0.0% ▼ Trim 2 SEC ↗ ×18
6 UBS AM, a distinct business unit of… 3.48M +25.5% $295.34M 0.1% ▲ Add 2 SEC ↗ ×14
7 First Trust Advisors Lp 3.03M -25.8% $256.70M 0.2% ▼ Trim 2 SEC ↗ ×2
8 Geode Capital Management ✦ (passive) 2.47M +1.0% $208.88M 0.0% ▲ Add 8 SEC ↗ ×2
9 Pictet Asset Management Holding SA 2.13M -27.2% $180.52M 0.2% ▼ Trim 2 SEC ↗
10 Fidelity (FMR) ✦ 2.11M +77.7% $178.81M 0.0% ▲ Add 4 SEC ↗ ×5
11 Northern Trust Corp 1.96M -3.5% $166.65M 0.0% ▼ Trim 2 SEC ↗ ×8
12 Morgan Stanley ✦ 1.68M +8.9% $142.45M 0.0% ▲ Add 3 SEC ↗ ×16
13 UBS Group AG 1.43M +2.1% $120.92M 0.0% ▲ Add 2 SEC ↗ ×8
14 Dimensional Fund Advisors Lp 1.39M +6.3% $117.68M 0.0% ▲ Add 2 SEC ↗ ×5
15 Bank of New York Mellon Corp 1.30M -0.2% $110.14M 0.0% ▼ Trim 2 SEC ↗ ×17
16 Amundi 1.23M +16.2% $103.96M 0.0% ▲ Add 2 SEC ↗ ×6
17 Manufacturers Life Insurance… 1.22M +18.3% $103.59M 0.1% ▲ Add 2 SEC ↗
18 D. E. Shaw & Co. ✦ 1.06M +195.9% $90.10M 0.1% ▲ Add 8 SEC ↗
19 AQR Capital Management ✦ 1.06M +521.4% $89.60M 0.0% ▲ Add 8 SEC ↗ ×10
20 MIRAE ASSET GLOBAL ETFS HOLDINGS… 969.02K +7.3% $82.19M 0.1% ▲ Add 2 SEC ↗ ×2
21 Ninety One UK Ltd 962.36K -25.6% $81.63M 0.2% ▼ Trim 2 SEC ↗
22 Charles Schwab Investment… 928.85K +2.3% $78.79M 0.0% ▲ Add 2 SEC ↗
23 Goldman Sachs Group ✦ 797.66K -17.5% $67.66M 0.0% ▼ Trim 3 SEC ↗ ×3
24 Millennium Management ✦ 784.03K +107.1% $66.50M 0.1% ▲ Add 8 SEC ↗
25 Ameriprise Financial Inc 732.23K +31.3% $62.11M 0.0% ▲ Add 2 SEC ↗ ×4
26 Citadel Advisors ✦ 714.66K +38.8% $60.62M 0.0% ▲ Add 8 SEC ↗ ×2
27 PFA Pension, Forsikringsaktieselskab 697.35K +0.1% $59.15M 0.2% ▲ Add 2 SEC ↗
28 JPMorgan Chase ✦ 708.54K +15.8% $58.96M 0.0% ▲ Add 3 SEC ↗ ×12
29 Deutsche Bank Ag\ 686.32K -22.8% $58.21M 0.0% ▼ Trim 2 SEC ↗ ×6
30 Hsbc Holdings Plc 678.65K -42.5% $57.55M 0.0% ▼ Trim 2 SEC ↗ ×6
31 Renaissance Technologies ✦ 662.28K +3.9% $56.17M 0.1% ▲ Add 8 SEC ↗
32 Lazard Asset Management Llc 644.73K New $54.69M 0.1% New 1 SEC ↗
33 Alliancebernstein L.P. 558.23K -63.2% $53.22M 0.0% ▼ Trim 2 SEC ↗
34 Bank Of America Corp /De/ 620.59K -51.6% $52.64M 0.0% ▼ Trim 2 SEC ↗ ×6
35 Barclays Plc 613.71K +43.4% $52.06M 0.0% ▲ Add 2 SEC ↗ ×3
36 Nordea Investment Management Ab 593.86K -6.5% $49.84M 0.0% ▼ Trim 2 SEC ↗ ×3
37 Nuveen, LLC 508.34K +49.8% $43.12M 0.0% ▲ Add 2 SEC ↗ ×3
38 Two Sigma Investments ✦ 506.59K +30.8% $42.97M 0.0% ▲ Add 8 SEC ↗
39 Qube Research & Technologies Ltd 441.87K -54.7% $37.48M 0.1% ▼ Trim 2 SEC ↗
40 Allianz Asset Management GmbH 415.29K +982.4% $35.22M 0.0% ▲ Add 2 SEC ↗ ×3
41 Legal & General Group Plc 405.33K -12.5% $34.38M 0.0% ▼ Trim 2 SEC ↗ ×3
42 Swiss National Bank 386.88K +6.6% $32.82M 0.0% ▲ Add 2 SEC ↗
43 Russell Investments Group, Ltd. 368.59K +31.0% $30.83M 0.0% ▲ Add 2 SEC ↗ ×12
44 Rhumbline Advisers 351.24K +0.2% $29.79M 0.0% ▲ Add 2 SEC ↗
45 FIL Ltd 317.19K -31.0% $26.90M 0.0% ▼ Trim 2 SEC ↗
46 Prudential Financial Inc 312.88K +670.2% $26.54M 0.0% ▲ Add 2 SEC ↗ ×2
47 Principal Financial Group Inc 288.49K +1.3% $24.47M 0.0% ▲ Add 2 SEC ↗ ×2
48 Sumitomo Mitsui Trust Group, Inc. 273.96K +0.2% $23.24M 0.0% ▲ Add 2 SEC ↗
49 Balyasny Asset Management L.P. 267.61K New $22.70M 0.0% New 1 SEC ↗ ×2
50 California Public Employees… 256.40K -10.1% $21.75M 0.0% ▼ Trim 2 SEC ↗
51 Robeco Institutional Asset… 254.95K +129.7% $21.62M 0.0% ▲ Add 2 SEC ↗
52 Franklin Resources Inc 244.81K +196.8% $20.77M 0.0% ▲ Add 2 SEC ↗ ×6
53 California State Teachers… 241.00K -3.2% $20.44M 0.0% ▼ Trim 2 SEC ↗
54 Quantinno Capital Management LP 240.94K +152.0% $20.44M 0.0% ▲ Add 2 SEC ↗
55 Arrowstreet Capital ✦ 238.58K +1113.5% $20.24M 0.0% ▲ Add 2 SEC ↗
56 Tudor Investment Corp Et Al 232.08K +146.8% $19.68M 0.1% ▲ Add 2 SEC ↗
57 Danske Bank A/S 225.82K +29.2% $19.15M 0.0% ▲ Add 2 SEC ↗ ×3
58 T. Rowe Price ✦ 217.64K +12.1% $18.46M 0.0% ▲ Add 8 SEC ↗ ×2
59 Mariner, LLC 205.67K -83.2% $17.44M 0.0% ▼ Trim 2 SEC ↗
60 Bnp Paribas Financial Markets 201.67K -8.1% $17.11M 0.0% ▼ Trim 2 SEC ↗
61 Bridgewater Associates ✦ 183.16K +329.2% $15.54M 0.1% ▲ Add 5 SEC ↗
62 Man Group plc 182.60K +199.9% $15.49M 0.0% ▲ Add 2 SEC ↗ ×2
63 Bank Of Nova Scotia 158.87K +85.2% $13.48M 0.0% ▲ Add 2 SEC ↗
64 Nomura Asset Management… 156.45K +4.2% $13.27M 0.0% ▲ Add 2 SEC ↗
65 BNP Paribas Asset Management… 148.04K -50.3% $12.56M 0.0% ▼ Trim 2 SEC ↗ ×2
66 Wells Fargo & Company/Mn 141.48K +6.4% $12.00M 0.0% ▲ Add 2 SEC ↗ ×4
67 Mitsubishi UFJ Asset Management… 140.38K +8.4% $11.91M 0.0% ▲ Add 2 SEC ↗
68 Gotham Asset Management ✦ 134.77K +1.7% $11.43M 0.0% ▲ Add 8 SEC ↗
69 Citigroup Inc 129.63K -32.6% $11.00M 0.0% ▼ Trim 2 SEC ↗ ×3
70 Squarepoint Ops LLC 124.12K -7.3% $10.53M 0.0% ▼ Trim 2 SEC ↗
71 Boston Partners 119.28K -8.0% $10.12M 0.0% ▼ Trim 2 SEC ↗ ×3
72 State Board Of Administration Of… 118.97K -2.0% $10.09M 0.0% ▼ Trim 2 SEC ↗
73 Aviva Plc 103.82K +1.9% $8.81M 0.0% ▲ Add 2 SEC ↗
74 Capstone Investment Advisors, Llc 100.15K New $8.49M 0.1% New 1 SEC ↗
75 Asset Management One Co., Ltd. 98.38K -34.8% $8.34M 0.0% ▼ Trim 2 SEC ↗
76 Universal- Beteiligungs- und… 97.02K +1.1% $8.24M 0.0% ▲ Add 2 SEC ↗
77 Zurcher Kantonalbank (Zurich… 93.32K +4.7% $7.92M 0.0% ▲ Add 2 SEC ↗
78 New York State Common Retirement… 92.22K 0.0% $7.82M 0.0% Held 2 SEC ↗
79 Korea Investment CORP 91.46K +14.1% $7.76M 0.0% ▲ Add 2 SEC ↗
80 Envestnet Asset Management Inc 84.01K -23.7% $7.13M 0.0% ▼ Trim 2 SEC ↗
81 Corient Private Wealth LP 80.20K +511.1% $6.79M 0.0% ▲ Add 2 SEC ↗
82 State Of Wisconsin Investment Board 77.31K +15.9% $6.56M 0.0% ▲ Add 2 SEC ↗
83 Voya Investment Management Llc 71.05K -32.6% $6.03M 0.0% ▼ Trim 2 SEC ↗
84 Credit Agricole S A 70.97K -0.4% $6.02M 0.0% ▼ Trim 2 SEC ↗ ×2
85 Sei Investments Co 70.20K +71.0% $5.95M 0.0% ▲ Add 2 SEC ↗ ×3
86 Mitsubishi UFJ Trust & Banking Corp 67.82K +23.8% $5.75M 0.0% ▲ Add 2 SEC ↗ ×2
87 Holocene Advisors, LP 66.35K +18.0% $5.63M 0.0% ▲ Add 2 SEC ↗
88 Canada Pension Plan Investment Board 62.00K +15400.0% $5.26M 0.0% ▲ Add 2 SEC ↗
89 Fifth Third Bancorp 61.84K +3192.8% $5.25M 0.0% ▲ Add 2 SEC ↗
90 Marshall Wace ✦ 57.94K -87.5% $4.91M 0.0% ▼ Trim 3 SEC ↗ ×2
91 Cibc World Market Inc. 54.20K +71.3% $4.60M 0.0% ▲ Add 2 SEC ↗
92 Victory Capital Management Inc 53.59K -1.7% $4.55M 0.0% ▼ Trim 2 SEC ↗
93 Royal Bank Of Canada 49.52K -39.0% $4.20M 0.0% ▼ Trim 2 SEC ↗ ×6
94 Nomura Asset Management Co Ltd 44.66K +11.8% $3.79M 0.0% ▲ Add 2 SEC ↗
95 Swedbank AB 43.58K -2.0% $3.70M 0.0% ▼ Trim 2 SEC ↗
96 Susquehanna International Group, Llp 41.81K +262.4% $3.55M 0.0% ▲ Add 2 SEC ↗
97 Cerity Partners LLC 39.83K +100.2% $3.38M 0.0% ▲ Add 2 SEC ↗ ×3
98 DZ BANK AG Deutsche Zentral… 36.53K -61.7% $3.10M 0.0% ▼ Trim 2 SEC ↗ ×2
99 Commonwealth Equity Services, Llc 36.39K +60.0% $3.09M 0.0% ▲ Add 2 SEC ↗
100 Cetera Investment Advisers 35.20K -71.7% $2.99M 0.0% ▼ Trim 2 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.

New buyers

Exited

Norges Bank $205.50M was 0.0%
Caisse De Depot Et Placement… $14.89M was 0.0%
Mml Investors Services, Llc $796,466 was 0.0%
Rakuten Investment… $545,781 was 0.0%
1832 Asset Management L.P. $517,261 was 0.0%
Blair William & Co/Il $491,197 was 0.0%
Fisher Asset Management $220,618 was 0.0%
Simplex Trading, Llc $143,662 was 0.0%
Group One Trading Llc $29,934 was 0.0%
Optiver Holding B.V. $17,731 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 614 holders, 112.58M shares, $9.24B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q1 2026 · Methodology · Get this via the API