The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

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COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
MACQUARIE INFRASTRUCTURE CO LL COM 55608B105 25,018 337,857 SH   SOLE   337,857 0 0
JOHNSON CONTROLS INC COM 478366107 20,230 457,064 SH   SOLE   457,064 0 0
INGERSOLL-RAND PLC COM G47791101 20,059 315,000 SH   SOLE   315,000 0 0
FLEETMATICS GROUP PLC COM G35569105 20,014 461,890 SH   SOLE   461,890 0 0
AO SMITH CORP COM 831865209 18,152 206,012 SH   SOLE   206,012 0 0
MUELLER WATER PRODUCTS INC COM 624758108 17,250 1,510,500 SH   SOLE   1,510,500 0 0
DANAHER CORP COM 235851102 15,964 158,064 SH   SOLE   158,064 0 0
ROPER INDUSTRIES INC COM 776696106 15,862 93,000 SH   SOLE   93,000 0 0
REPUBLIC SERVICES INC COM 760759100 15,650 305,000 SH   SOLE   305,000 0 0
DYCOM INDUSTRIES INC COM 267475101 15,474 172,398 SH   SOLE   172,398 0 0
LENNOX INTERNATIONAL INC COM 526107107 13,944 97,785 SH   SOLE   97,785 0 0
ECOLAB INC COM 278865100 13,550 114,253 SH   SOLE   114,253 0 0
GRANITE CONSTRUCTION INC COM 387328107 10,041 220,431 SH   SOLE   220,431 0 0
IDEX CORP COM 45167R104 8,876 108,118 SH   SOLE   108,118 0 0
GASLOG LTD COM G37585109 5,147 396,500 SH   SOLE   396,500 0 0
WATTS WATER TECHNOLOGIES INC COM 942749102 1,981 34,000 SH   SOLE   34,000 0 0
ZEBRA TECHNOLOGIES CORP COM 989207105 1,979 39,500 SH   SOLE   39,500 0 0
HANNON ARMSTRONG SUSTAINABLE COM 41068X100 1,689 78,200 SH   SOLE   78,200 0 0
XYLEM INC/NY COM 98419M100 1,072 24,000 SH   SOLE   24,000 0 0
STERICYCLE INC COM 858912108 937 9,000 SH   SOLE   9,000 0 0
WHOLE FOODS MARKET INC COM 966837106 544 17,000 SH   SOLE   17,000 0 0