| American Water Works (AWK)(AWK) | COM | 030420103 | $6.8K | 148,929 | 11.0% |
| Ashland Inc (ASH) | COM | 044209104 | $5.7K | 57,376 | 9.3% |
| Tetra Tech Inc. (Ttek)(TTEK) | COM | 88162G103 | $5.4K | 180,968 | 8.7% |
| California Water Service Group (CWT)(CWT) | COM | 130788102 | $5.3K | 220,104 | 8.6% |
| SJW Corp (SJW)(HTO) | COM | 784305104 | $4.1K | 139,912 | 6.7% |
| Xylem, Inc (XYL)(XYL) | COM | 98419M100 | $4.0K | 111,185 | 6.6% |
| Pentair (PNR)(PNR) | COM | H6169Q108 | $3.8K | 47,617 | 6.1% |
| Flowserve Inc (FLS)(FLS) | COM | 34354P105 | $3.6K | 46,386 | 5.9% |
| Itron, Inc (Itri)(ITRI) | COM | 465741106 | $3.0K | 84,995 | 4.9% |
| Mueller Industries, Inc (MLI)(MLI) | COM | 624756102 | $2.4K | 80,680 | 3.9% |
| Valmont Industries, Inc. (VMI)(VMI) | COM | 920253101 | $2.3K | 15,720 | 3.8% |
| Aqua America, Inc (WTR) | COM | 03836W103 | $2.0K | 80,833 | 3.3% |
| Watts Water Technologies (WTS)(WTS) | COM | 942749102 | $1.9K | 33,216 | 3.2% |
| CIA Saneamento Basico ADR (SBS)(SAJA) | COM | 20441A102 | $1.9K | 203,555 | 3.1% |
| Layne Christensen Co (Layn) | COM | 521050104 | $1.8K | 97,683 | 2.9% |
| Consolidated Water Company, Inc (Cwco)(CWCO) | COM | G23773107 | $1.7K | 127,927 | 2.7% |
| Artesian Resources Corp (Artna)(ARTNA) | COM | 043113208 | $1.6K | 72,877 | 2.7% |
| Connecticut Water Service, Inc (Ctws)(CTWSEUR) | COM | 207797101 | $1.6K | 45,929 | 2.6% |
| Hawkins Inc (Hwkn)(HWKN) | COM | 420261109 | $1.1K | 30,119 | 1.8% |
| Kurita Water Industries (Ktwif) | COM | J37221116 | $467 | 21,648 | 0.8% |
| Powershares Global Water (PIO) | COM | 73936T623 | $316 | 12,991 | 0.5% |
| Suez Environment ADR (Szevy) | COM | 864691100 | $295 | 29,042 | 0.5% |
| Guangdong Investment (Ggdvy) | COM | 400654208 | $249 | 5,203 | 0.4% |