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
MUELLER WATER PRODUCTS INC COM 624758108 16,068 1,280,322 SH   SOLE   1,280,322 0 0
HANNON ARMSTRONG SUST INFR C COM 41068X100 14,709 629,415 SH   SOLE   629,415 0 0
PATTERN ENERGY GROUP INC CL A 70338P100 10,566 469,792 SH   SOLE   469,792 0 0
JOHNSON CONTROLS INTERNATIONAL PLC SHS G51502105 17,773 381,967 SH   SOLE   381,967 0 0
GASLOG LTD SHS G37585109 5,453 374,767 SH   SOLE   374,767 0 0
SENSATA TECHNOLOGIES HOLDING N SHS N7902X106 13,742 354,352 SH   SOLE   354,352 0 0
AECOM TECHNOLOGY CORP COM 00766T100 10,050 338,029 SH   SOLE   338,029 0 0
MACQUARIE INFRASTRUCTURE CO LL COM 55608B105 28,123 337,857 SH   SOLE   337,857 0 0
NRG YIELD INC CL C 62942X405 5,647 332,942 SH   SOLE   332,942 0 0
INGERSOLL-RAND PLC COM G47791101 21,401 315,000 SH   SOLE   315,000 0 0
REPUBLIC SERVICES INC COM 760759100 15,387 305,000 SH   SOLE   305,000 0 0
FORTIVE CORP COM 34959J108 14,480 284,488 SH   SOLE   284,488 0 0
GRANITE CONSTRUCTION INC COM 387328107 13,675 274,935 SH   SOLE   274,935 0 0
XYLEM INC/NY COM 98419M100 12,216 232,909 SH   SOLE   232,909 0 0
WATTS WATER TECHNOLOGIES INC COM 942749102 14,654 226,000 SH   SOLE   226,000 0 0
AO SMITH CORP COM 831865209 20,352 206,012 SH   SOLE   206,012 0 0
WASTE CONNECTIONS INC COM 94106B101 15,221 203,763 SH   SOLE   203,763 0 0
MOBILEYE NV COM N51488117 5,279 124,000 SH   SOLE   124,000 0 0
SERVICEMASTER GLOBAL HOLDINGS INC COM 81761R109 3,873 115,000 SH   SOLE   115,000 0 0
ECOLAB INC COM 278865100 13,907 114,253 SH   SOLE   114,253 0 0
IDEX CORP COM 45167R104 9,357 100,000 SH   SOLE   100,000 0 0
LENNOX INTERNATIONAL INC COM 526107107 15,355 97,785 SH   SOLE   97,785 0 0
TPI COMPOSITES INC COM 87266J104 2,055 96,662 SH   SOLE   96,662 0 0
ROPER INDUSTRIES INC COM 776696106 16,970 93,000 SH   SOLE   93,000 0 0
STERICYCLE INC COM 858912108 6,985 87,164 SH   SOLE   87,164 0 0
GASLOG PARTNERS LP COM Y2687W108 1,018 46,730 SH   SOLE   46,730 0 0