Water Asset Management

Water Asset Management as of Dec. 31, 2010

Portfolio Holdings for Water Asset Management

Water Asset Management holds 19 positions in its portfolio as reported in the December 2010 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Itron (ITRI) 15.9 $19M 343k 55.45
Heckmann Corporation 12.5 $15M 3.0M 5.03
ITT Corporation 10.1 $12M 231k 52.11
American States Water Company (AWR) 9.6 $12M 332k 34.47
Northwest Pipe Company (NWPX) 9.0 $11M 448k 24.03
California Water Service (CWT) 8.5 $10M 273k 37.27
Mueller Water Products (MWA) 8.0 $9.5M 2.3M 4.17
American Water Works (AWK) 5.6 $6.7M 265k 25.29
Cadiz (CDZI) 5.1 $6.1M 490k 12.44
SJW (SJW) 3.0 $3.6M 136k 26.47
CONSOLIDATED WATER CO Inc Com Stk (CWCO) 2.3 $2.8M 306k 9.17
Pennichuck Corporation (PNNW) 1.9 $2.2M 82k 27.36
Tri-tech Holding (TRITF) 1.9 $2.2M 206k 10.76
Energy Recovery (ERII) 1.6 $1.9M 520k 3.66
Ameron International Corporation 1.5 $1.8M 24k 76.39
Companhia de Saneamento Basi (SBS) 1.5 $1.8M 34k 52.89
Tetra Tech (TTEK) 0.9 $1.1M 43k 25.06
Mueller Industries (MLI) 0.7 $837k 26k 32.69
Veolia Environnement (VEOEY) 0.6 $734k 25k 29.36