Vault-13

AECOM ACM

COM · Common Stock · CUSIP 00766T100 · ISIN US00766T1007

American multinational engineering firm

371 institutional holders
119,472,802119.5m shares reported held*
86.2% of all shares outstanding*
$8.2bnreported value*

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($12.2m this quarter). Holder counts are more reliable. Shares outstanding: 138.7m as of 2022-11-10, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $68.39. Options: 8 managers hold calls ($17.6m notional), 11 hold puts ($29.8m).

Biggest calls

Squarepoint Ops LLC — $5.7m83.7k shares
CITADEL ADVISORS LLC — $5.3m77.1k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $3.3m48.7k shares
SIMPLEX TRADING, LLC — $1.7m25.1k shares
JANE STREET GROUP, LLC — $1.1m16.6k shares
Walleye Trading LLC — $280.0k4.1k shares
GROUP ONE TRADING LLC — $164.0k2.4k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. — $00 shares

Biggest puts

Squarepoint Ops LLC — $9.2m134.8k shares
CITADEL ADVISORS LLC — $6.5m95.8k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $4.1m59.8k shares
JANE STREET GROUP, LLC — $2.8m41.0k shares
Twin Tree Management, LP — $2.7m39.8k shares
SCOPUS ASSET MANAGEMENT, L.P. — $1.7m25.0k shares
SIMPLEX TRADING, LLC — $1.0m14.7k shares
PEAK6 Investments LLC — $998.0k14.6k shares
GROUP ONE TRADING LLC — $608.0k8.9k shares
Walleye Trading LLC — $137.0k2.0k shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BlackRock, Inc. 13G · institution +0.3 pts · filed 2026-02-06 10.1% +0.3 pts 13.1m≈ $913.6m 2026-02-06
PRIMECAP MANAGEMENT CO/CA/ 13G · institution -1.3 pts · filed 2025-08-14 7.2% -1.3 pts 9.6m≈ $668.7m 2025-08-14
VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 5.2% new 6.8m≈ $471.2m 2026-04-29

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC)

Insider purchases and sales in Q3 2022

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
101Q4 20: 0 buyingQ4 20: 0 sellingQ1 21: 0 buyingQ1 21: 0 sellingQ1 21Q2 21: 0 buyingQ2 21: 0 sellingQ3 21: 0 buyingQ3 21: 0 sellingQ3 21Q4 21: 0 buyingQ4 21: 1 sellingQ1 22: 0 buyingQ1 22: 0 sellingQ1 22Q2 22: 0 buyingQ2 22: 0 sellingQ3 22: 0 buyingQ3 22: 0 sellingQ3 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20200—0——
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20210—1$2.1m—
Q1 20220—0——
Q2 20220—0——
Q3 20220—0——

None reported in Q3 2022.

Holders, Q3 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 PRIMECAP MANAGEMENT CO/CA/ 1.27% of their portfolio PASADENA, CA 19,189,84119.2m $1.3bn $1.3bn 1.27% —
2 VANGUARD GROUP INC 0.03% of their portfolio Valley Forge, PA 13,212,25713.2m $903.3m $903.3m 0.03% —
3 BlackRock Inc. 0.03% of their portfolio New York, NY 11,927,14511.9m $815.5m $815.5m 0.03% —
4 Starboard Value LP 10.48% of their portfolio New York, NY 6,974,3167.0m $476.8m $476.8m 10.48% —
5 ALLIANCEBERNSTEIN L.P. 0.23% of their portfolio NASHVILLE, TN 6,955,3477.0m $475.5m $475.5m 0.23% —
6 PICTET ASSET MANAGEMENT SA 0.57% of their portfolio GENEVA 73, V8 5,597,5125.6m $382.7m $382.7m 0.57% —
7 BARROW HANLEY MEWHINNEY & STRAUSS LLC 1.36% of their portfolio DALLAS, TX 4,843,1154.8m $331.1m $331.1m 1.36% —
8 Invesco Ltd. 0.09% of their portfolio ATLANTA, GA 4,084,9074.1m $279.3m $279.3m 0.09% —
9 STATE STREET CORP 0.02% of their portfolio BOSTON, MA 3,968,9624.0m $271.4m $271.4m 0.02% —
10 NORGES BANK 0.05% of their portfolio OSLO, Q8 2,633,5142.6m $180.1m $180.1m 0.05% —
11 FMR LLC 0.01% of their portfolio BOSTON, MA 1,864,3321.9m $127.5m $127.5m 0.01% —
12 DIMENSIONAL FUND ADVISORS LP 0.05% of their portfolio AUSTIN, TX 1,861,3791.9m $127.3m $127.3m 0.05% —
13 GEODE CAPITAL MANAGEMENT, LLC 0.02% of their portfolio BOSTON, MA 1,775,0621.8m $121.4m $121.4m 0.02% —
14 Amundi 0.07% of their portfolio Paris, I0 1,691,5121.7m $116.2m $116.2m 0.07% —
15 AGF INVESTMENTS INC. 1.02% of their portfolio TORONTO, A6 1,576,0001.6m $107.8m $107.8m 1.02% —
16 Bank of New York Mellon Corp 0.02% of their portfolio NEW YORK, NY 1,420,2681.4m $97.1m $97.1m 0.02% —
17 JPMORGAN CHASE & CO 0.01% of their portfolio NEW YORK, NY 1,224,1241.2m $83.7m $83.7m 0.01% —
18 NORTHERN TRUST CORP 0.02% of their portfolio CHICAGO, IL 1,164,6171.2m $79.6m $79.6m 0.02% —
19 GOLDMAN SACHS GROUP INC 0.02% of their portfolio NEW YORK, NY 941,225941.2k $64.4m $64.4m 0.02% —
20 BANK OF AMERICA CORP /DE/ 0.01% of their portfolio CHARLOTTE, NC 901,346901.3k $61.6m $61.6m 0.01% —
21 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.02% of their portfolio SAN FRANCISCO, CA 849,338849.3k $58.1m $58.1m 0.02% —
22 FIRST TRUST ADVISORS LP 0.07% of their portfolio Wheaton, IL 837,331837.3k $57.2m $57.2m 0.07% —
23 Robeco Schweiz AG 1.10% of their portfolio ZURICH, V8 830,572830.6k $56.8m $56.8m 1.10% —
24 AMERIPRISE FINANCIAL INC 0.02% of their portfolio MINNEAPOLIS, MN 735,244735.2k $51.5m $51.5m 0.02% —
25 MILLENNIUM MANAGEMENT LLC 0.06% of their portfolio NEW YORK, NY 695,847695.8k $47.6m $47.6m 0.06% —
26 MORGAN STANLEY 0.01% of their portfolio NEW YORK, NY 693,088693.1k $47.4m $47.4m 0.01% —
27 WELLINGTON MANAGEMENT GROUP LLP 0.01% of their portfolio Boston, MA 690,834690.8k $47.2m $47.2m 0.01% —
28 Mariner, LLC 0.19% of their portfolio Overland Park, KS 688,665688.7k $47.1m $47.1m 0.19% —
29 UBS Group AG 0.03% of their portfolio ZURICH, V8 651,433651.4k $44.5m $44.5m 0.03% —
30 LOOMIS SAYLES & CO L P 0.09% of their portfolio BOSTON, MA 635,547635.5k $43.5m $43.5m 0.09% —
31 Mirae Asset Global Investments Co., Ltd. 0.11% of their portfolio SEOUL, M5 591,220591.2k $40.4m $40.4m 0.11% —
32 CITIGROUP INC 0.06% of their portfolio NEW YORK, NY 585,072585.1k $40.0m $40.0m 0.06% —
33 Nuveen Asset Management, LLC 0.02% of their portfolio CHICAGO, IL 557,397557.4k $38.1m $38.1m 0.02% —
34 STRS OHIO 0.18% of their portfolio COLUMBUS, OH 544,661544.7k $37.2m $37.2m 0.18% —
35 PRINCIPAL FINANCIAL GROUP INC 0.03% of their portfolio DES MOINES, IA 543,729543.7k $37.2m $37.2m 0.03% —
36 Electron Capital Partners, LLC 1.59% of their portfolio NEW YORK, NY 486,588486.6k $33.3m $33.3m 1.59% —
37 FEDERATED HERMES, INC. 0.10% of their portfolio PITTSBURGH, PA 483,496483.5k $33.1m $33.1m 0.10% —
38 Point72 Asset Management, L.P. 0.12% of their portfolio STAMFORD, CT 407,700407.7k $27.9m $27.9m 0.12% —
39 MACQUARIE GROUP LTD 0.03% of their portfolio Sydney, NSW 2000, C3 407,238407.2k $28.0m $28.0m 0.03% —
40 RHUMBLINE ADVISERS 0.04% of their portfolio BOSTON, MA 401,407401.4k $27.4m $27.4m 0.04% —
41 LORD, ABBETT & CO. LLC 0.08% of their portfolio JERSEY CITY, NJ 338,964339.0k $23.2m $23.2m 0.08% —
42 NEW YORK STATE COMMON RETIREMENT FUND 0.03% of their portfolio ALBANY, NY 335,164335.2k $22.9m $22.9m 0.03% —
43 Desjardins Global Asset Management Inc. 2.85% of their portfolio MONTREAL, A8 329,789329.8k $22.5m $22.5m 2.85% —
44 California Public Employees Retirement System 0.02% of their portfolio Sacramento, CA 321,084321.1k $22.0m $22.0m 0.02% —
45 Swiss National Bank 0.02% of their portfolio ZURICH, V8 317,680317.7k $21.7m $21.7m 0.02% —
46 Walleye Capital LLC 0.48% of their portfolio NEW YORK, NY 307,975308.0k $21.1m $21.1m 0.48% —
47 HSBC HOLDINGS PLC 0.04% of their portfolio LONDON, X0 288,223288.2k $19.7m $19.7m 0.04% —
48 VOYA INVESTMENT MANAGEMENT LLC 0.02% of their portfolio ATLANTA, GA 287,896287.9k $19.7m $19.7m 0.02% —
49 GREAT LAKES ADVISORS, LLC 0.39% of their portfolio CHICAGO, IL 264,211264.2k $18.1m $18.1m 0.39% —
50 Qube Research & Technologies Ltd 0.11% of their portfolio LONDON, X0 254,527254.5k $17.4m $17.4m 0.11% —
51 VICTORY CAPITAL MANAGEMENT INC 0.02% of their portfolio San Antonio, TX 242,706242.7k $16.6m $16.6m 0.02% —
52 SCOPUS ASSET MANAGEMENT, L.P. 0.95% of their portfolio NEW YORK, NY 239,107239.1k $16.3m $16.3m 0.95% —
53 SEI INVESTMENTS CO 0.03% of their portfolio OAKS, PA 227,862227.9k $15.6m $15.6m 0.03% —
54 AMERICAN INTERNATIONAL GROUP, INC. 0.11% of their portfolio New York, NY 220,334220.3k $15.1m $15.1m 0.11% —
55 Legal & General Group Plc 0.01% of their portfolio London, X0 218,820218.8k $15.0m $15.0m 0.01% —
56 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% of their portfolio NEW YORK, NY 216,510216.5k $14.8m $14.8m 0.01% —
57 S&T Bank/PA 2.80% of their portfolio Indiana, PA 212,081212.1k $14.5m $14.5m 2.80% —
58 FRONTIER CAPITAL MANAGEMENT CO LLC 0.17% of their portfolio Boston, MA 210,861210.9k $14.4m $14.4m 0.17% —
59 DUFF & PHELPS INVESTMENT MANAGEMENT CO 0.17% of their portfolio CHICAGO, IL 192,400192.4k $13.2m $13.2m 0.17% —
60 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 188,695188.7k $12.9m $12.9m 0.00% —
61 Retirement Systems of Alabama 0.06% of their portfolio MONTGOMERY, AL 182,827182.8k $12.5m $12.5m 0.06% —
62 Interval Partners, LP 0.71% of their portfolio NEW YORK, NY 175,627175.6k $12.0m $12.0m 0.71% —
63 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.03% of their portfolio ALBANY, NY 169,002169.0k $11.6m $11.6m 0.03% —
64 DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.02% of their portfolio FRANKFURT AM MAIN, 2M 168,952169.0k $11.6m $11.6m 0.02% —
65 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.02% of their portfolio WEST SACRAMENTO, CA 168,672168.7k $11.5m $11.5m 0.02% —
66 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.03% of their portfolio TALLAHASSEE, FL 164,222164.2k $11.2m $11.2m 0.03% —
67 PRUDENTIAL FINANCIAL INC 0.02% of their portfolio NEWARK, NJ 141,124141.1k $9.6m $9.6m 0.02% —
68 HRT FINANCIAL LP 0.10% of their portfolio NEW YORK, NY 133,136133.1k $9.1m $9.1m 0.10% —
69 State of Tennessee, Department of Treasury 0.04% of their portfolio NASHVILLE, TN 131,532131.5k $9.0m $9.0m 0.04% —
70 EATON VANCE MANAGEMENT 0.01% of their portfolio BOSTON, MA 129,550129.6k $8.9m $8.9m 0.01% —
71 SANDLER CAPITAL MANAGEMENT 1.88% of their portfolio NEW YORK, NY 127,438127.4k $8.7m $8.7m 1.88% —
72 CENTRAL BANK & TRUST CO 1.78% of their portfolio LEXINGTON, KY 121,097121.1k $8.3m $8.3m 1.78% —
73 Stanley Capital Management, LLC 2.75% of their portfolio HOUSTON, TX 116,400116.4k $8.0m $8.0m 2.75% —
74 NATIONAL BANK OF CANADA /FI/ 0.05% of their portfolio MONTREAL, A8 116,038116.0k $7.9m $7.9m 0.05% —
75 TWO SIGMA INVESTMENTS, LP 0.03% of their portfolio NEW YORK, NY 114,627114.6k $7.8m $7.8m 0.03% —
76 CREDIT SUISSE AG/ 0.01% of their portfolio ZURICH, V8 114,157114.2k $7.8m $7.8m 0.01% —
77 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.01% of their portfolio Toronto, A6 113,095113.1k $7.7m $7.7m 0.01% —
78 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 0.10% of their portfolio New York, NY 112,202112.2k $7.7m $7.7m 0.10% —
79 PFS INVESTMENTS INC. 0.16% of their portfolio DULUTH, GA 110,885110.9k $7.6m $7.6m 0.16% —
80 Vontobel Holding Ltd. 0.09% of their portfolio ZURICH, V8 109,766109.8k $7.5m $7.5m 0.09% —
81 Thrivent Financial for Lutherans 0.02% of their portfolio Minneapolis, MN 107,739107.7k $7.4m $7.4m 0.02% —
82 AQR CAPITAL MANAGEMENT LLC 0.02% of their portfolio Greenwich, CT 107,625107.6k $7.4m $7.4m 0.02% —
83 Knights of Columbus Asset Advisors LLC 0.75% of their portfolio NEW HAVEN, CT 107,001107.0k $7.3m $7.3m 0.75% —
84 OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 0.08% of their portfolio CHICAGO, IL 104,535104.5k $7.1m $7.1m 0.08% —
85 BRANT POINT INVESTMENT MANAGEMENT LLC 1.81% of their portfolio New York, NY 102,308102.3k $7.0m $7.0m 1.81% —
86 CANADA LIFE ASSURANCE Co 0.02% of their portfolio WINNIPEG, A2 101,951102.0k $7.0m $7.0m 0.02% —
87 AMALGAMATED BANK 0.07% of their portfolio NEW YORK, NY 101,029101.0k $6.9m $6.9m 0.07% —
88 TEXAS PERMANENT SCHOOL FUND CORP 0.11% of their portfolio AUSTIN, TX 100,435100.4k $6.9m $6.9m 0.11% —
89 TWO SIGMA ADVISERS, LP 0.02% of their portfolio NEW YORK, NY 91,54291.5k $6.3m $6.3m 0.02% —
90 MetLife Investment Management, LLC 0.05% of their portfolio Whippany, NJ 89,85489.9k $6.1m $6.1m 0.05% —
91 D. E. Shaw & Co., Inc. 0.01% of their portfolio New York, NY 88,22188.2k $6.0m $6.0m 0.01% —
92 EAGLE ASSET MANAGEMENT INC 0.04% of their portfolio ST PETERSBURG, FL 86,97687.0k $5.9m $5.9m 0.04% —
93 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 86,91886.9k $5.9m $5.9m 0.00% —
94 CASTLEARK MANAGEMENT LLC 0.33% of their portfolio CHICAGO, IL 86,32086.3k $5.9m $5.9m 0.33% —
95 JOHN G ULLMAN & ASSOCIATES INC 1.03% of their portfolio CORNING, NY 85,89285.9k $5.9m $5.9m 1.03% —
96 Smith, Graham & Co., Investment Advisors, LP 0.75% of their portfolio Houston, TX 81,99582.0k $5.6m $5.6m 0.75% —
97 Schonfeld Strategic Advisors LLC 0.05% of their portfolio NEW YORK, NY 79,39779.4k $5.4m $5.4m 0.05% —
98 SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.09% of their portfolio BALA CYNWYD, PA 79,28379.3k $5.4m $5.4m 0.09% —
99 RAYMOND JAMES & ASSOCIATES 0.01% of their portfolio ST PETERSBURG, FL 76,55976.6k $5.2m $5.2m 0.01% —
100 YOUSIF CAPITAL MANAGEMENT, LLC 0.07% of their portfolio BLOOMFIELD HILLS, MI 71,18071.2k $4.9m $4.9m 0.07% —