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 |
|---|---|---|---|---|---|
| Varma Mutual Pension Insurance Co | 88,700 | $7.52M | 0.04% | −10,000−10.1% | Reduced |
| Knights of Columbus Asset Advisors LLC | 89,865 | $7.62M | 0.43% | +8,457+10.4% | Added |
| Korea Investment CORP | 91,462 | $7.76M | 0.02% | +11,300+14.1% | Added |
| New York State Common Retirement Fund | 92,221 | $7.82M | 0.01% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 93,322 | $7.92M | 0.02% | +4,180+4.7% | Added |
| Great West Life Assurance Co | 96,349 | $8.18M | 0.01% | −1,117−1.1% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 96,841 | $8.21M | 0.04% | +33,650+53.3% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 97,021 | $8.24M | 0.01% | +1,102+1.1% | Added |
| Asset Management One Co.,Ltd. | 98,378 | $8.34M | 0.02% | −52,593−34.8% | Reduced |
| Warren Averett Asset Management, LLC | 99,144 | $8.41M | 0.06% | −1,440−1.4% | Reduced |
| STRS Ohio | 99,984 | $8.48M | 0.03% | −54,486−35.3% | Reduced |
| Capstone Investment Advisors, LLC | 100,146 | $8.49M | 0.07% | +100,146 | New |
| Signature Estate & Investment Advisors LLC | 103,687 | $8.79M | 0.18% | +103,687 | New |
| Aviva PLC | 103,822 | $8.81M | 0.01% | +1,922+1.9% | Added |
| Vontobel Holding Ltd. | 106,385 | $9.02M | 0.03% | −1,279−1.2% | Reduced |
| PBU - The Pension Fund of Early Childhood & Youth Educators | 107,172 | $9.09M | 0.14% | +107,172 | New |
| Engineers Gate Manager LP | 109,472 | $9.29M | 0.12% | +54,583+99.4% | Added |
| Stanley Capital Management, LLC | 116,400 | $9.87M | 1.65% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 118,969 | $10.1M | 0.02% | −2,395−2.0% | Reduced |
| Boston Partners | 119,276 | $10.1M | 0.01% | −10,431−8.0% | Reduced |
| New York State Teachers Retirement System | 120,327 | $10.2M | 0.02% | −4,297−3.4% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 120,388 | $10.2M | 0.11% | +113,543+1,658.8% | Added |
| KBC Group NV | 121,563 | $10.3M | 0.03% | −168,040−58.0% | Reduced |
| Guinness Asset Management LTD | 122,594 | $10.4M | 0.18% | +122,421+70,763.6% | Added |
| Mirova | 123,635 | $10.5M | 0.43% | +123,635 | New |
| Squarepoint Ops LLC | 124,124 | $10.5M | 0.02% | −9,794−7.3% | Reduced |
| Acadian Asset Management LLC | 128,031 | $10.9M | 0.02% | +128,031 | New |
| Teachers Retirement System of the State of Kentucky | 128,101 | $10.9M | 0.08% | 00.0% | Unchanged |
| Citigroup Inc | 129,631 | $11.0M | 0.01% | −62,573−32.6% | Reduced |
| KLP Kapitalforvaltning AS | 130,700 | $11.1M | 0.04% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 133,202 | $11.3M | 0.32% | +107,460+417.5% | Added |
| Gotham Asset Management, LLC | 134,769 | $11.4M | 0.04% | +2,259+1.7% | Added |
| Ninety One North America, Inc. | 137,018 | $11.6M | 0.52% | −783−0.6% | Reduced |
| Delaney Capital Management Ltd. | 139,066 | $11.8M | 1.90% | +36,976+36.2% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 140,385 | $11.9M | 0.01% | +10,866+8.4% | Added |
| Wells Fargo & Company | 141,482 | $12.0M | 0.00% | +8,494+6.4% | Added |
| Lombard Odier Asset Management (Europe) Ltd | 144,310 | $12.2M | 0.67% | −28,333−16.4% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 148,040 | $12.6M | 0.01% | −149,575−50.3% | Reduced |
| Rathbone Brothers plc | 154,896 | $13.1M | 0.05% | −2,408−1.5% | Reduced |
| Nomura Asset Management International Inc. | 156,454 | $13.3M | 0.02% | +6,324+4.2% | Added |
| Bank of Nova Scotia | 158,872 | $13.5M | 0.02% | +73,089+85.2% | Added |
| Worldquant Millennium Advisors LLC | 179,832 | $15.3M | 0.06% | +179,832 | New |
| Man Group plc | 182,602 | $15.5M | 0.03% | +121,724+199.9% | Added |
| Bridgewater Associates, LP | 183,161 | $15.5M | 0.07% | +140,486+329.2% | Added |
| Swiss Life Asset Management Ltd | 192,987 | $16.4M | 0.08% | +64,050+49.7% | Added |
| BNP Paribas Arbitrage, SA | 201,669 | $17.1M | 0.01% | −17,762−8.1% | Reduced |
| Mariner, LLC | 205,670 | $17.4M | 0.02% | −1,016,145−83.2% | Reduced |
| Price T Rowe Associates Inc | 217,641 | $18.5M | 0.00% | +23,549+12.1% | Added |
| Danske Bank A/S | 225,819 | $19.2M | 0.05% | +51,076+29.2% | Added |
| Tudor Investment Corp Et Al | 232,079 | $19.7M | 0.11% | +138,063+146.9% | Added |
| Arrowstreet Capital, Limited Partnership | 238,580 | $20.2M | 0.01% | +218,920+1,113.5% | Added |
| Quantinno Capital Management LP | 240,942 | $20.4M | 0.03% | +145,344+152.0% | Added |
| California State Teachers Retirement System | 241,001 | $20.4M | 0.02% | −8,080−3.2% | Reduced |
| Franklin Resources Inc | 244,814 | $20.8M | 0.01% | +162,331+196.8% | Added |
| Robeco Institutional Asset Management B.V. | 254,951 | $21.6M | 0.03% | +143,969+129.7% | Added |
| California Public Employees Retirement System | 256,398 | $21.7M | 0.01% | −28,810−10.1% | Reduced |
| Intech Investment Management LLC | 258,942 | $22.0M | 0.22% | +104,877+68.1% | Added |
| Balyasny Asset Management LLC | 267,610 | $22.7M | 0.04% | +267,610 | New |
| Sumitomo Mitsui Trust Holdings, Inc. | 273,957 | $23.2M | 0.02% | +537+0.2% | Added |
| Vinva Investment Management Ltd | 282,731 | $23.6M | 0.29% | +236,850+516.2% | Added |
| Hennessy Advisors Inc | 285,700 | $24.2M | 0.88% | −29,900−9.5% | Reduced |
| CBOE Vest Financial, LLC | 288,239 | $24.4M | 0.29% | +26,374+10.1% | Added |
| Principal Financial Group Inc | 288,487 | $24.5M | 0.01% | +3,682+1.3% | Added |
| SG Americas Securities, LLC | 295,508 | $25.1M | 0.03% | +211,273+250.8% | Added |
| Flputnam Investment Management Co | 302,038 | $25.6M | 0.38% | +43,317+16.7% | Added |
| Ci Investments Inc. | 310,968 | $26.4M | 0.13% | +212+0.1% | Added |
| Prudential Financial Inc | 312,881 | $26.5M | 0.03% | +272,256+670.2% | Added |
| FIL Ltd | 317,188 | $26.9M | 0.02% | −142,215−31.0% | Reduced |
| Retirement Systems of Alabama | 339,308 | $28.8M | 0.10% | −457−0.1% | Reduced |
| Verition Fund Management LLC | 339,600 | $28.8M | 0.28% | +130,149+62.1% | Added |
| Panagora Asset Management Inc | 344,372 | $29.2M | 0.11% | −937,284−73.1% | Reduced |
| Rhumbline Advisers | 351,241 | $29.8M | 0.03% | +738+0.2% | Added |
| Russell Investments Group, Ltd. | 368,589 | $30.8M | 0.03% | +87,225+31.0% | Added |
| Robeco Schweiz AG | 371,937 | $31.5M | 0.67% | −8,867−2.3% | Reduced |
| Swiss National Bank | 386,880 | $32.8M | 0.02% | +23,900+6.6% | Added |
| Legal & General Group Plc | 405,333 | $34.4M | 0.01% | −57,962−12.5% | Reduced |
| Allianz Asset Management GmbH | 415,286 | $35.2M | 0.04% | +376,920+982.4% | Added |
| Qube Research & Technologies Ltd | 441,873 | $37.5M | 0.05% | −532,966−54.7% | Reduced |
| Two Sigma Investments, LP | 506,591 | $43.0M | 0.04% | +119,384+30.8% | Added |
| Nuveen, LLC | 508,337 | $43.1M | 0.01% | +169,011+49.8% | Added |
| Voloridge Investment Management, LLC | 564,598 | $47.9M | 0.19% | +304,756+117.3% | Added |
| Sandhill Capital Partners LLC | 585,464 | $49.7M | 4.27% | +113,292+24.0% | Added |
| Nordea Investment Management AB | 593,862 | $49.8M | 0.05% | −40,929−6.4% | Reduced |
| Barclays PLC | 613,713 | $52.1M | 0.02% | +185,654+43.4% | Added |
| Bank of America Corp | 620,589 | $52.6M | 0.00% | −662,257−51.6% | Reduced |
| Alliancebernstein L.P. | 558,225 | $53.2M | 0.02% | −958,419−63.2% | Reduced |
| Lazard Asset Management LLC | 644,734 | $54.7M | 0.09% | +644,734 | New |
| Renaissance Technologies LLC | 662,277 | $56.2M | 0.09% | +24,700+3.9% | Added |
| HSBC Holdings PLC | 678,649 | $57.6M | 0.03% | +88,420+15.0% | Added |
| Deutsche Bank AG | 686,321 | $58.2M | 0.02% | −203,097−22.8% | Reduced |
| JPMorgan Chase & Co | 708,543 | $59.0M | 0.00% | +96,531+15.8% | Added |
| PFA Pension, Forsikringsaktieselskab | 697,347 | $59.1M | 0.18% | +3480.0% | Added |
| Citadel Advisors LLC | 714,657 | $60.6M | 0.04% | +199,914+38.8% | Added |
| Ameriprise Financial Inc | 732,234 | $62.1M | 0.01% | +174,516+31.3% | Added |
| DekaBank Deutsche Girozentrale | 722,409 | $62.3M | 0.10% | 00.0% | Unchanged |
| Millennium Management LLC | 784,028 | $66.5M | 0.05% | +405,505+107.1% | Added |
| Goldman Sachs Group Inc | 797,664 | $67.7M | 0.01% | −169,535−17.5% | Reduced |
| Vanguard Fiduciary Trust Co | 802,679 | $68.1M | 0.02% | +802,679 | New |
| Charles Schwab Investment Management Inc | 928,854 | $78.8M | 0.01% | +20,665+2.3% | Added |
| Ninety One UK Ltd | 962,363 | $81.6M | 0.19% | −330,349−25.6% | Reduced |