Aecom
ACM- Exchange
- NYSE
- Industry
- Services-Engineering Services
- SEC CIK
- 0000868857
No open-market purchases or sales by Aecom insiders were filed in the last 90 days; 576 institutions reported holding it in 13F filings for Q2 2026, worth $8.34B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Aecom as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 624
- −11 vs. Q4 2025
- Shares held
- 113.5M
- +13.0M (+12.9%) vs. Q4 2025
- Total value
- $9.63B
- +$18.8M (+0.2%) vs. Q4 2025
- New holders
- 104
- 233 more added
- Sold out
- 115
- 203 more reduced
10 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ACM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 576 | $8.34B |
| Q1 2026 | 624 | $9.63B |
| Q4 2025 | 645 | $11.0B |
| Q3 2025 | 640 | $15.1B |
| Q2 2025 | 632 | $13.3B |
| Q1 2025 | 568 | $10.8B |
| Q4 2024 | 567 | $12.4B |
| Q3 2024 | 525 | $12.0B |
| Q2 2024 | 510 | $10.3B |
| Q1 2024 | 516 | $11.4B |
| Q4 2023 | 507 | $10.7B |
| Q3 2023 | 456 | $9.75B |
| Q2 2023 | 452 | $10.2B |
| Q1 2023 | 451 | $10.1B |
| Q4 2022 | 411 | $10.2B |
| Q3 2022 | 371 | $8.18B |
| Q2 2022 | 366 | $7.88B |
| Q1 2022 | 386 | $9.39B |
| Q4 2021 | 371 | $9.31B |
| Q3 2021 | 356 | $7.80B |
| Q2 2021 | 348 | $7.93B |
| Q1 2021 | 358 | $8.25B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Aecom; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15,760,364 | $1.34B | 0.02% | +553,385+3.6% | Added |
| Primecap Management Co | 8,647,073 | $733.4M | 0.58% | −20,210−0.2% | Reduced |
| Vanguard Capital Management LLC | 5,800,366 | $492.0M | 0.01% | +5,800,366 | New |
| Vanguard Portfolio Management LLC | 5,506,279 | $467.0M | 0.02% | +5,506,279 | New |
| State Street Corp | 5,041,460 | $427.6M | 0.01% | −2,1280.0% | Reduced |
| Invesco Ltd. | 3,575,351 | $303.3M | 0.03% | −741,292−17.2% | Reduced |
| UBS Asset Management Americas Inc | 3,481,963 | $295.3M | 0.06% | +708,053+25.5% | Added |
| First Trust Advisors LP | 3,026,446 | $256.7M | 0.18% | −1,053,694−25.8% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 2,852,722 | $242.0M | 0.79% | +883,304+44.9% | Added |
| Geode Capital Management, LLC | 2,469,449 | $208.9M | 0.01% | +25,174+1.0% | Added |
| Pictet Asset Management Holding SA | 2,128,362 | $180.5M | 0.19% | −793,966−27.2% | Reduced |
| FMR LLC | 2,108,080 | $178.8M | 0.01% | +921,651+77.7% | Added |
| Northern Trust Corp | 1,964,760 | $166.7M | 0.02% | −70,258−3.5% | Reduced |
| Morgan Stanley | 1,679,469 | $142.5M | 0.01% | +137,180+8.9% | Added |
| UBS Group AG | 1,425,606 | $120.9M | 0.02% | +29,856+2.1% | Added |
| Dimensional Fund Advisors LP | 1,387,535 | $117.7M | 0.02% | +82,903+6.4% | Added |
| Impax Asset Management Group plc | 1,382,667 | $117.3M | 0.82% | −9,425−0.7% | Reduced |
| Bank of New York Mellon Corp | 1,298,472 | $110.1M | 0.02% | −2,656−0.2% | Reduced |
| Amundi | 1,226,006 | $104.0M | 0.03% | +170,926+16.2% | Added |
| Manufacturers Life Insurance Company, The | 1,221,349 | $103.6M | 0.09% | +189,261+18.3% | Added |
| D. E. Shaw & Co., Inc. | 1,062,228 | $90.1M | 0.07% | +703,291+195.9% | Added |
| AQR Capital Management LLC | 1,061,227 | $89.6M | 0.04% | +890,444+521.4% | Added |
| Lord, Abbett & Co. LLC | 1,005,061 | $85.2M | 0.28% | +97,066+10.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 969,025 | $82.2M | 0.11% | +65,617+7.3% | Added |
| Ninety One UK Ltd | 962,363 | $81.6M | 0.19% | −330,349−25.6% | Reduced |
| Charles Schwab Investment Management Inc | 928,854 | $78.8M | 0.01% | +20,665+2.3% | Added |
| Vanguard Fiduciary Trust Co | 802,679 | $68.1M | 0.02% | +802,679 | New |
| Goldman Sachs Group Inc | 797,664 | $67.7M | 0.01% | −169,535−17.5% | Reduced |
| Millennium Management LLC | 784,028 | $66.5M | 0.05% | +405,505+107.1% | Added |
| DekaBank Deutsche Girozentrale | 722,409 | $62.3M | 0.10% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 732,234 | $62.1M | 0.01% | +174,516+31.3% | Added |
| Citadel Advisors LLC | 714,657 | $60.6M | 0.04% | +199,914+38.8% | Added |
| PFA Pension, Forsikringsaktieselskab | 697,347 | $59.1M | 0.18% | +3480.0% | Added |
| JPMorgan Chase & Co | 708,543 | $59.0M | 0.00% | +96,531+15.8% | Added |
| Deutsche Bank AG | 686,321 | $58.2M | 0.02% | −203,097−22.8% | Reduced |
| HSBC Holdings PLC | 678,649 | $57.6M | 0.03% | +88,420+15.0% | Added |
| Renaissance Technologies LLC | 662,277 | $56.2M | 0.09% | +24,700+3.9% | Added |
| Lazard Asset Management LLC | 644,734 | $54.7M | 0.09% | +644,734 | New |
| Alliancebernstein L.P. | 558,225 | $53.2M | 0.02% | −958,419−63.2% | Reduced |
| Bank of America Corp | 620,589 | $52.6M | 0.00% | −662,257−51.6% | Reduced |
| Barclays PLC | 613,713 | $52.1M | 0.02% | +185,654+43.4% | Added |
| Nordea Investment Management AB | 593,862 | $49.8M | 0.05% | −40,929−6.4% | Reduced |
| Sandhill Capital Partners LLC | 585,464 | $49.7M | 4.27% | +113,292+24.0% | Added |
| Voloridge Investment Management, LLC | 564,598 | $47.9M | 0.19% | +304,756+117.3% | Added |
| Nuveen, LLC | 508,337 | $43.1M | 0.01% | +169,011+49.8% | Added |
| Two Sigma Investments, LP | 506,591 | $43.0M | 0.04% | +119,384+30.8% | Added |
| Qube Research & Technologies Ltd | 441,873 | $37.5M | 0.05% | −532,966−54.7% | Reduced |
| Allianz Asset Management GmbH | 415,286 | $35.2M | 0.04% | +376,920+982.4% | Added |
| Legal & General Group Plc | 405,333 | $34.4M | 0.01% | −57,962−12.5% | Reduced |
| Swiss National Bank | 386,880 | $32.8M | 0.02% | +23,900+6.6% | Added |
| Robeco Schweiz AG | 371,937 | $31.5M | 0.67% | −8,867−2.3% | Reduced |
| Russell Investments Group, Ltd. | 368,589 | $30.8M | 0.03% | +87,225+31.0% | Added |
| Rhumbline Advisers | 351,241 | $29.8M | 0.03% | +738+0.2% | Added |
| Panagora Asset Management Inc | 344,372 | $29.2M | 0.11% | −937,284−73.1% | Reduced |
| Verition Fund Management LLC | 339,600 | $28.8M | 0.28% | +130,149+62.1% | Added |
| Retirement Systems of Alabama | 339,308 | $28.8M | 0.10% | −457−0.1% | Reduced |
| FIL Ltd | 317,188 | $26.9M | 0.02% | −142,215−31.0% | Reduced |
| Prudential Financial Inc | 312,881 | $26.5M | 0.03% | +272,256+670.2% | Added |
| Ci Investments Inc. | 310,968 | $26.4M | 0.13% | +212+0.1% | Added |
| Flputnam Investment Management Co | 302,038 | $25.6M | 0.38% | +43,317+16.7% | Added |
| SG Americas Securities, LLC | 295,508 | $25.1M | 0.03% | +211,273+250.8% | Added |
| Principal Financial Group Inc | 288,487 | $24.5M | 0.01% | +3,682+1.3% | Added |
| CBOE Vest Financial, LLC | 288,239 | $24.4M | 0.29% | +26,374+10.1% | Added |
| Hennessy Advisors Inc | 285,700 | $24.2M | 0.88% | −29,900−9.5% | Reduced |
| Vinva Investment Management Ltd | 282,731 | $23.6M | 0.29% | +236,850+516.2% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 273,957 | $23.2M | 0.02% | +537+0.2% | Added |
| Balyasny Asset Management LLC | 267,610 | $22.7M | 0.04% | +267,610 | New |
| Intech Investment Management LLC | 258,942 | $22.0M | 0.22% | +104,877+68.1% | Added |
| California Public Employees Retirement System | 256,398 | $21.7M | 0.01% | −28,810−10.1% | Reduced |
| Robeco Institutional Asset Management B.V. | 254,951 | $21.6M | 0.03% | +143,969+129.7% | Added |
| Franklin Resources Inc | 244,814 | $20.8M | 0.01% | +162,331+196.8% | Added |
| California State Teachers Retirement System | 241,001 | $20.4M | 0.02% | −8,080−3.2% | Reduced |
| Quantinno Capital Management LP | 240,942 | $20.4M | 0.03% | +145,344+152.0% | Added |
| Arrowstreet Capital, Limited Partnership | 238,580 | $20.2M | 0.01% | +218,920+1,113.5% | Added |
| Tudor Investment Corp Et Al | 232,079 | $19.7M | 0.11% | +138,063+146.9% | Added |
| Danske Bank A/S | 225,819 | $19.2M | 0.05% | +51,076+29.2% | Added |
| Price T Rowe Associates Inc | 217,641 | $18.5M | 0.00% | +23,549+12.1% | Added |
| Mariner, LLC | 205,670 | $17.4M | 0.02% | −1,016,145−83.2% | Reduced |
| BNP Paribas Arbitrage, SA | 201,669 | $17.1M | 0.01% | −17,762−8.1% | Reduced |
| Swiss Life Asset Management Ltd | 192,987 | $16.4M | 0.08% | +64,050+49.7% | Added |
| Bridgewater Associates, LP | 183,161 | $15.5M | 0.07% | +140,486+329.2% | Added |
| Man Group plc | 182,602 | $15.5M | 0.03% | +121,724+199.9% | Added |
| Worldquant Millennium Advisors LLC | 179,832 | $15.3M | 0.06% | +179,832 | New |
| Bank of Nova Scotia | 158,872 | $13.5M | 0.02% | +73,089+85.2% | Added |
| Nomura Asset Management International Inc. | 156,454 | $13.3M | 0.02% | +6,324+4.2% | Added |
| Rathbone Brothers plc | 154,896 | $13.1M | 0.05% | −2,408−1.5% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 148,040 | $12.6M | 0.01% | −149,575−50.3% | Reduced |
| Lombard Odier Asset Management (Europe) Ltd | 144,310 | $12.2M | 0.67% | −28,333−16.4% | Reduced |
| Wells Fargo & Company | 141,482 | $12.0M | 0.00% | +8,494+6.4% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 140,385 | $11.9M | 0.01% | +10,866+8.4% | Added |
| Delaney Capital Management Ltd. | 139,066 | $11.8M | 1.90% | +36,976+36.2% | Added |
| Ninety One North America, Inc. | 137,018 | $11.6M | 0.52% | −783−0.6% | Reduced |
| Gotham Asset Management, LLC | 134,769 | $11.4M | 0.04% | +2,259+1.7% | Added |
| Aquatic Capital Management LLC | 133,202 | $11.3M | 0.32% | +107,460+417.5% | Added |
| KLP Kapitalforvaltning AS | 130,700 | $11.1M | 0.04% | 00.0% | Unchanged |
| Citigroup Inc | 129,631 | $11.0M | 0.01% | −62,573−32.6% | Reduced |
| Teachers Retirement System of the State of Kentucky | 128,101 | $10.9M | 0.08% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 128,031 | $10.9M | 0.02% | +128,031 | New |
| Squarepoint Ops LLC | 124,124 | $10.5M | 0.02% | −9,794−7.3% | Reduced |
| Mirova | 123,635 | $10.5M | 0.43% | +123,635 | New |