13F reference period
Q2 2026
Security Snapshot
AECOM - Common Stock (ACM) Institutional Ownership
CUSIP: 00766T100
13F Institutional Holders and Ownership History from Q1 2014 to Q3 2026
Institutions Reporting
573
Shares (Excl. Options)
119.25M
Full value: 119,247,001 · shares · 30 Jun 2026Price
$69.80
The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.
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- Security type / class
- Equity / Common Stock
- Symbol
- ACM on NYSE
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 119,247,001
- Total 13F value
- $8,340,809,944
- Portfolio coverage rank
- 0%
- Share change
- +5,461,120
- Value change
- +$331,390,633
- Number of holders
- 573
- Shares outstanding
- 129,313,736
- SEC-reported price per share
- $58.95
- Insider filing price
- $58.95
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source
Key facts
- ACM - AECOM - Common Stock is tracked under CUSIP 00766T100.
- 573 institutions reported positions in Q2 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 624 to 573 between Q1 2026 and Q2 2026.
- SEC-reported value moved from to
$9.63B
Full value: $9,630,556,329 · USD · 31 Mar 2026.$8.34B
Full value: $8,340,809,944 · USD · 30 Jun 2026
Research use
- 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.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 573 institutions filings for Q2 2026.
Security key
00766T100
13F reference period
Q2 2026
13F holders
573
13D/G owners
3
CIK / CUSIP context first
Open Q2 2026 holders
ACM full holder history
AECOM SEC filings
AECOM company facts
AECOM insider transactions
AECOM 13D/G history
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 00766T100:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
ACM
| 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 |
| VANGUARD CAPITAL MANAGEMENT LLC | 5.2% | $572,550,013 | 6,750,177 | Vanguard Capital Management | 31 Mar 2026 |
As of 30 Jun 2026,
573
institutional investors reported holding
shares of
AECOM - Common Stock (ACM).
This represents
92%
of the company’s total
outstanding shares.
119.25M
Full value: 119,247,001 · shares · 30 Jun 2026129.31M
Full value: 129,313,736 · shares · Stored outstanding share count13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
64%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 11% | 14,379,638 | -8.8% | 0.01% | $1,003,698,738 |
| PRIMECAP MANAGEMENT CO/CA/ | 6.8% | 8,787,043 | +1.6% | 0.36% | $613,335,602 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.5% | 5,808,042 | +0.13% | 0.01% | $405,401,332 |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | 4.3% | 5,497,153 | +93% | 1.2% | $383,701,279 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4.2% | 5,486,637 | -0.36% | 0.02% | $382,967,263 |
| STATE STREET CORP | 3.2% | 4,106,098 | -19% | 0.01% | $286,605,640 |
| FMR LLC | 2.9% | 3,758,192 | +78% | 0.01% | $262,321,822 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 2.8% | 3,565,323 | +2.4% | 0.05% | $248,859,545 |
| Invesco Ltd. | 2.5% | 3,191,873 | -11% | 0.02% | $222,792,760 |
| FIRST TRUST ADVISORS LP | 1.9% | 2,446,092 | -19% | 0.1% | $170,737,149 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.9% | 2,445,738 | -0.96% | 0.01% | $170,754,730 |
| Impax Asset Management Group plc | 1.6% | 2,128,339 | +54% | 0.97% | $148,558,062 |
| Qube Research & Technologies Ltd | 1.6% | 2,119,499 | +380% | 0.16% | $147,941,030 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.6% | 2,096,935 | +779% | 0.06% | $146,366,063 |
| NORGES BANK | 1.4% | 1,853,035 | 0.01% | $129,341,843 | |
| AQR CAPITAL MANAGEMENT LLC | 1.4% | 1,795,383 | +69% | 0.04% | $124,007,075 |
| D. E. Shaw & Co., Inc. | 1.3% | 1,711,157 | +61% | 0.07% | $119,438,758 |
| UBS Group AG | 1.3% | 1,695,404 | +19% | 0.02% | $118,339,199 |
| DIMENSIONAL FUND ADVISORS LP | 1.3% | 1,640,760 | +18% | 0.02% | $114,526,869 |
| MORGAN STANLEY | 1.3% | 1,638,429 | -2.4% | 0.01% | $114,362,469 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 1% | 1,352,854 | +11% | 0.07% | $94,429,209 |
| MILLENNIUM MANAGEMENT LLC | 1% | 1,321,296 | +69% | 0.06% | $92,226,461 |
| Amundi | 1% | 1,312,233 | +7% | 0.02% | $91,674,676 |
| Bank of New York Mellon Corp | 0.88% | 1,139,237 | -12% | 0.01% | $79,518,792 |
| NORTHERN TRUST CORP | 0.87% | 1,125,934 | -43% | 0.01% | $78,590,193 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
51
Headline period
Q2 2026
Rows shown
1-25 of 51
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q3 | 3,309,165 | $195,077,732 | -$27,734,617 | $58.95 | 99 |
| 2026 Q2 | 119,247,001 | $8,340,809,944 | +$331,390,633 | $69.80 | 573 |
| 2026 Q1 | 113,508,552 | $9,630,556,329 | -$192,768,187 | $84.82 | 624 |
| 2025 Q4 | 115,082,269 | $10,998,158,413 | -$179,037,552 | $95.33 | 638 |
| 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 |