| American Water Works Company, Inc. | 631K | US$84.7M | 8.1% |
| Xylem Inc. | 702K | US$82.1M | 7.8% |
| Companhia De Saneamento Basico Do Estado De Sao Paulo Sabesp | 14.7M | US$80.1M | 7.6% |
| Essential Utilities, Inc. | 1.51M | US$60.1M | 5.7% |
| United Utilities Group Plc | 3.14M | US$58.4M | 5.6% |
| Severn Trent Plc | 1.3M | US$52.5M | 5.0% |
| Veralto Corp | 511K | US$48.1M | 4.6% |
| Ecolab Inc. | 152K | US$42.2M | 4.0% |
| Geberit Ag | 55,854 | US$36.8M | 3.5% |
| Advanced Drainage Systems, Inc. | 254K | US$35.1M | 3.3% |
| Watts Water Technologies, Inc. | 97,269 | US$33.6M | 3.2% |
| Zurn Elkay Water Solutions Corporation | 526K | US$26.6M | 2.5% |
| American States Water Company | 278K | US$23.8M | 2.3% |
| Companhia De Saneamento De Minas Gerais | 1.75M | US$22.1M | 2.1% |
| Core & Main, Inc. | 500K | US$22M | 2.1% |
| California Water Service Group | 424K | US$21.2M | 2.0% |
| Kurita Water Industries Ltd. | 379K | US$20.3M | 1.9% |
| Pentair Plc. | 286K | US$18.7M | 1.8% |
| Belimo Holding Ag | 17,421 | US$18.2M | 1.7% |
| Pennon Group Plc | 2.9M | US$18M | 1.7% |
| H2o America | 278K | US$17.1M | 1.6% |
| Select Water Solutions, Inc. | 836K | US$15.5M | 1.5% |
| Franklin Electric Co., Inc. | 134K | US$14.1M | 1.3% |
| Mueller Water Products | 554K | US$14M | 1.3% |
| Badger Meter, Inc. | 103K | US$13.9M | 1.3% |
| Aalberts N.v. | 264K | US$13M | 1.2% |
| Ytl Power International Bhd. | 9.86M | US$10.1M | 0.96% |
| Georg Fischer Ag | 137K | US$8.75M | 0.83% |
| Organo Corp. | 90,330 | US$8.12M | 0.77% |
| Middlesex Water Company | 132K | US$7.55M | 0.72% |
| Va Tech Wabag Limited | 322K | US$6.67M | 0.64% |
| Beijing Enterprises Water Group Limited | 21.9M | US$6.44M | 0.61% |
| Gorman-rupp Company (the) | 73,731 | US$5.99M | 0.57% |
| Coway Co., Ltd. | 91,509 | US$5.8M | 0.55% |
| Interpump Group S.p.a. | 143K | US$5.73M | 0.55% |
| Sulzer Ag | 30,356 | US$5.51M | 0.52% |
| Astral Limited | 328K | US$4.98M | 0.47% |
| Wienerberger Ag | 194K | US$4.76M | 0.45% |
| Hawkins, Inc. | 36,872 | US$4.72M | 0.45% |
| Nwpx Infrastructure, Inc. | 34,056 | US$4.19M | 0.40% |
| Supreme Industries Limited | 115K | US$4.17M | 0.40% |
| Lindsay Corporation | 36,738 | US$4.07M | 0.39% |
| Kemira Oyj | 204K | US$4M | 0.38% |
| Kitz Corporation | 282K | US$3.83M | 0.36% |
| Tetra Technologies, Inc. | 479K | US$3.69M | 0.35% |
| Pillar Corporation | 59,855 | US$3.46M | 0.33% |
| Consolidated Water Co. Ltd. | 106K | US$3.11M | 0.30% |
| Nomura Micro Science Co., Ltd. | 115K | US$2.81M | 0.27% |
| Power And Water Utility Company For Jubail And Yanbu (marafiq) | 265K | US$2.66M | 0.25% |
| Onterris, Inc. | 119K | US$2.49M | 0.24% |
| Alkhorayef Water & Power Technologies | 90,933 | US$2.42M | 0.23% |
| Tsukishima Holdings Co. Ltd. | 134K | US$2.28M | 0.22% |
| Chengdu Xingrong Environment Co., Ltd. Class A | 1.69M | US$1.84M | 0.18% |
| Amata Corporation Public Company | 1.8M | US$1.72M | 0.16% |
| Energy Recovery, Inc. | 182K | US$1.58M | 0.15% |
| Zhongshan Public Utilities Group Co., Ltd. Class A | 834K | US$1.37M | 0.13% |
| Beijing Capital Eco-environment Protection Group Co.,ltd. Class A | 3.11M | US$1.36M | 0.13% |
| Kuo Toong International Co., Ltd. | 824K | US$1.31M | 0.12% |
| Cadiz, Inc. | 398K | US$1.19M | 0.11% |
| Jindal Saw Limited | 407K | US$1.1M | 0.10% |
| Beijing Originwater Technology Co., Ltd. Class A | 2.05M | US$1.08M | 0.10% |
| Kurimoto,ltd. | 89,323 | US$844K | 0.08% |
| China Lesso Group Holdings Limited | 1.54M | US$792K | 0.08% |
| Jiangxi Hongcheng Environment Co., Ltd. Class A | 545K | US$752K | 0.07% |
| Jingjin Equipment Inc. Class A | 163K | US$323K | 0.03% |
| Otter Tail Corporation | 0 | US$0 | 0.00% |