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 16,800 1,262,200 SH   SOLE   1,262,200 0 0
HANNON ARMSTRONG SUSTAINABLE INC REIT 41068X100 11,888 626,015 SH   SOLE   626,015 0 0
PATTERN ENERGY GROUP INC COM 70338P100 9,776 514,792 SH   SOLE   514,792 0 0
AECOM TECHNOLOGY CORP COM 00766T100 16,708 459,529 SH   SOLE   459,529 0 0
NRG YIELD INC COM 62942X405 6,572 415,942 SH   SOLE   415,942 0 0
JOHNSON CONTROLS INTERNATIONAL PLC COM G51502105 15,733 381,967 SH   SOLE   381,967 0 0
AO SMITH CORP COM 831865209 18,060 381,424 SH   SOLE   381,424 0 0
TPI COMPOSITES INC COM 87266J104 5,845 364,399 SH   SOLE   364,399 0 0
SENSATA TECHNOLOGIES HOLDING N.V COM N7902X106 14,192 364,352 SH   SOLE   364,352 0 0
GASLOG LTD COM G37585109 5,712 354,767 SH   SOLE   354,767 0 0
REPUBLIC SERVICES INC COM 760759100 19,397 340,000 SH   SOLE   340,000 0 0
MACQUARIE INFRASTRUCTURE CO LLC COM 55608B105 27,603 337,857 SH   SOLE   337,857 0 0
INGERSOLL-RAND PLC COM G47791101 23,638 315,000 SH   SOLE   315,000 0 0
FORTIVE CORP COM 34959J108 15,257 284,488 SH   SOLE   284,488 0 0
MOBILEYE NV COM N51488117 9,629 252,600 SH   SOLE   252,600 0 0
GRANITE CONSTRUCTION INC COM 387328107 13,309 241,978 SH   SOLE   241,978 0 0
XYLEM INC/NY COM 98419M100 11,534 232,909 SH   SOLE   232,909 0 0
SERVICEMASTER GLOBAL HOLDINGS INC COM 81761R109 8,520 226,174 SH   SOLE   226,174 0 0
WASTE CONNECTIONS INC COM 94106B101 16,014 203,763 SH   SOLE   203,763 0 0
WATTS WATER TECHNOLOGIES INC COM 942749102 13,170 202,000 SH   SOLE   202,000 0 0
DELPHI AUTOMOTIVE PLC COM G27823106 10,709 159,000 SH   SOLE   159,000 0 0
ECOLAB INC COM 278865100 14,717 125,553 SH   SOLE   125,553 0 0
ROPER INDUSTRIES INC COM 776696106 17,026 93,000 SH   SOLE   93,000 0 0
ADIENT PLC COM G0084W101 4,559 77,796 SH   SOLE   77,796 0 0
LENNOX INTERNATIONAL INC COM 526107107 11,903 77,713 SH   SOLE   77,713 0 0
IDEX CORP COM 45167R104 6,357 70,583 SH   SOLE   70,583 0 0
GASLOG PARTNERS LP COM Y2687W108 960 46,730 SH   SOLE   46,730 0 0
BORGWARNER INC COM 099724106 237 6,000 SH   SOLE   6,000 0 0
VISTEON CORP COM 92839U206 241 3,000 SH   SOLE   3,000 0 0