Security Snapshot

AECOM - Common Stock (ACM) Institutional Ownership

CUSIP: 00766T100

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

632

Shares (Excl. Options)

115,066,357

Price

$95.33

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Type / Class
Equity / Common Stock
Symbol
ACM on NYSE
Shares outstanding
129,592,287
Price per share
$84.82
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
115,066,357
Total reported value
$10,996,641,470
% of total 13F portfolios
0.01%
Share change
-1,491,369
Value change
-$179,045,277
Number of holders
632
Price from insider filings
$84.82
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • ACM - AECOM - Common Stock is tracked under CUSIP 00766T100.
  • 632 institutions reported positions in Q4 2025.
  • 2 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 632 to 55 between Q4 2025 and Q1 2026.
  • Reported value moved from $10,996,641,470 to $89,846,156.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 632 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 00766T100?
CUSIP 00766T100 identifies ACM - AECOM - Common Stock in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of AECOM - Common Stock (ACM) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 10% +3% $1,247,757,306 +$7,458,524 13,088,821 +0.6% BlackRock, Inc. 31 Jan 2026
PRIMECAP MANAGEMENT CO/CA/ 7.2% -15% $1,096,432,703 -$206,075,541 9,580,852 -16% PRIMECAP MANAGEMENT CO/CA/ 30 Jun 2025

As of 31 Dec 2025, 632 institutional investors reported holding 115,066,357 shares of AECOM - Common Stock (ACM). This represents 89% of the company’s total 129,592,287 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of AECOM - Common Stock (ACM) together control 62% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 12% 15,206,979 +3.6% 0.02% $1,449,681,341
VANGUARD GROUP INC 9.5% 12,285,802 -1.8% 0.02% $1,171,205,505
PRIMECAP MANAGEMENT CO/CA/ 6.7% 8,667,283 -2.4% 0.63% $826,252,089
STATE STREET CORP 3.9% 5,043,588 -1.3% 0.02% $480,805,244
Invesco Ltd. 3.3% 4,316,643 -13% 0.06% $411,505,609
FIRST TRUST ADVISORS LP 3.1% 4,080,140 -3.2% 0.28% $388,959,746
Pictet Asset Management Holding SA 2.3% 2,922,328 -23% 0.27% $278,600,262
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 2.1% 2,773,910 +17% 0.06% $264,436,841
GEODE CAPITAL MANAGEMENT, LLC 1.9% 2,444,275 +1.1% 0.01% $232,359,348
NORGES BANK 1.7% 2,155,657 0.02% $205,498,782
NORTHERN TRUST CORP 1.6% 2,035,018 -3.9% 0.02% $193,998,265
BARROW HANLEY MEWHINNEY & STRAUSS LLC 1.5% 1,969,418 -11% 0.63% $187,744,618
MORGAN STANLEY 1.2% 1,542,289 +6.5% 0.01% $147,026,540
ALLIANCEBERNSTEIN L.P. 1.2% 1,516,644 -42% 0.05% $144,581,673
UBS Group AG 1.1% 1,395,750 -14% 0.03% $133,056,848
Impax Asset Management Group plc 1.1% 1,392,092 -0.71% 0.83% $132,708,130
DIMENSIONAL FUND ADVISORS LP 1% 1,304,632 -0.49% 0.03% $124,382,146
Bank of New York Mellon Corp 1% 1,301,128 +2.6% 0.02% $124,036,540
Ninety One UK Ltd 1% 1,292,712 -2% 0.26% $123,234,217
BANK OF AMERICA CORP /DE/ 0.99% 1,282,846 -19% 0.01% $122,293,746
PANAGORA ASSET MANAGEMENT INC 0.99% 1,281,656 +25% 0.43% $122,180,266
Mariner, LLC 0.94% 1,221,815 +2.6% 0.14% $116,476,800
FMR LLC 0.92% 1,186,429 -35% 0.01% $113,102,249
Amundi 0.81% 1,055,080 +1.5% 0.03% $100,551,716
MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.8% 1,032,088 +19% 0.08% $98,388,949

Institutional Holders of AECOM - Common Stock (ACM) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 1,059,020 $89,846,156 +$46,942,212 $84.82 55
2025 Q4 115,066,357 $10,996,641,470 -$179,045,277 $95.33 632
2025 Q3 115,804,853 $15,103,792,568 -$238,659,373 $130.47 634
2025 Q2 117,960,668 $13,280,160,440 +$301,241,643 $112.86 629
2025 Q1 115,382,949 $10,699,138,495 -$65,242,244 $92.73 564
2024 Q4 115,554,518 $12,342,854,015 -$88,781,481 $106.82 564
2024 Q3 115,958,967 $11,974,148,953 +$151,558,774 $103.27 520
2024 Q2 116,348,036 $10,254,796,984 -$57,220,882 $88.14 509
2024 Q1 116,207,492 $11,378,960,327 -$33,195,362 $98.08 515
2023 Q4 116,203,395 $10,735,271,060 -$86,034,467 $92.43 504
2023 Q3 117,395,975 $9,746,676,044 -$203,605,257 $83.04 453
2023 Q2 119,839,528 $10,150,044,760 -$5,237,261 $84.69 450
2023 Q1 119,660,786 $10,088,067,819 +$35,148,216 $84.32 445
2022 Q4 119,647,726 $10,161,494,250 +$31,020,381 $84.93 405
2022 Q3 119,928,250 $8,201,655,872 -$83,143,084 $68.37 363
2022 Q2 120,814,136 $7,877,927,052 -$75,759,115 $65.22 360
2022 Q1 122,328,276 $9,393,109,914 +$136,323,885 $76.81 377
2021 Q4 120,428,195 $9,308,398,791 -$237,329,754 $77.35 365
2021 Q3 123,515,575 $7,800,988,771 -$137,474,541 $63.15 348
2021 Q2 125,200,610 $7,927,861,225 -$238,205,983 $63.32 345
2021 Q1 128,720,347 $8,253,655,510 +$83,883,374 $64.11 352
2020 Q4 128,051,313 $6,376,366,316 -$561,199,369 $49.78 335
2020 Q3 140,025,168 $5,859,597,831 -$93,030,892 $41.84 313
2020 Q2 142,133,563 $5,340,500,377 +$83,616,710 $37.58 310
2020 Q1 140,384,052 $4,191,130,609 -$85,383,165 $29.85 291
2019 Q4 140,814,123 $6,074,854,697 +$146,630,786 $43.13 312
2019 Q3 137,194,902 $5,154,259,508 -$32,094,146 $37.56 286
2019 Q2 137,656,250 $5,210,097,963 +$98,927,986 $37.85 265
2019 Q1 136,608,221 $4,055,859,268 -$1,440,779 $29.67 266
2018 Q4 137,170,779 $3,635,983,086 -$16,687,681 $26.50 258
2018 Q3 137,387,254 $4,486,476,422 +$92,096,527 $32.66 275
2018 Q2 134,508,400 $4,442,593,270 -$48,978,425 $33.03 296
2018 Q1 137,180,596 $4,888,134,273 +$122,329,262 $35.63 306
2017 Q4 133,927,384 $4,976,161,228 +$88,594,022 $37.15 304
2017 Q3 131,209,559 $4,829,311,168 +$47,437,166 $36.81 293
2017 Q2 130,088,543 $4,205,445,212 +$9,320,099 $32.33 282
2017 Q1 129,681,760 $4,615,199,259 +$442,758,863 $35.59 287
2016 Q4 129,255,817 $4,699,414,201 -$116,432,430 $36.36 300
2016 Q3 133,243,729 $3,959,704,351 +$72,200,515 $29.73 274
2016 Q2 130,761,795 $4,154,600,208 +$41,761,543 $31.77 269
2016 Q1 128,918,463 $3,969,008,753 +$17,471,609 $30.79 249
2015 Q4 128,414,214 $3,856,042,694 -$130,992,068 $30.03 247
2015 Q3 132,990,800 $3,662,831,135 -$184,028,690 $27.51 231
2015 Q2 140,003,311 $4,627,569,129 +$79,213,290 $33.08 251
2015 Q1 137,837,018 $4,244,624,073 +$44,402,472 $30.82 237
2014 Q4 136,771,569 $4,148,388,587 +$1,201,812,918 $30.37 259
2014 Q3 96,444,795 $3,255,088,192 +$671,873,369 $33.75 230
2014 Q2 76,578,616 $2,465,817,842 +$61,027,114 $32.20 226
2014 Q1 74,067,583 $2,380,885,285 +$96,541,997 $32.17 223