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
HANNON ARMSTRONG SUSTAINABLE I REIT 41068X100 19,355 958,160 SH   SOLE   958,160 0 0
MUELLER WATER PRODUCTS INC COM 624758108 9,633 815,000 SH   SOLE   815,000 0 0
NRG YIELD INC COM 62942X405 11,086 626,324 SH   SOLE   626,324 0 0
PATTERN ENERGY GROUP INC COM 70338P100 10,363 514,792 SH   SOLE   514,792 0 0
SENSATA TECHNOLOGIES HOLDING N COM N7902X106 21,863 500,652 SH   SOLE   500,652 0 0
JOHNSON CONTROLS INTERNATIONAL PLC COM G51502105 21,016 498,967 SH   SOLE   498,967 0 0
REXNORD CORP COM 76169B102 10,026 434,418 SH   SOLE   434,418 0 0
AECOM TECHNOLOGY CORP COM 00766T100 15,025 422,162 SH   SOLE   422,162 0 0
AO SMITH CORP COM 831865209 19,483 380,824 SH   SOLE   380,824 0 0
BORGWARNER INC COM 099724106 15,411 368,778 SH   SOLE   368,778 0 0
REPUBLIC SERVICES INC COM 760759100 21,355 340,000 SH   SOLE   340,000 0 0
MACQUARIE INFRASTRUCTURE CO LL COM 55608B105 27,225 337,857 SH   SOLE   337,857 0 0
TPI COMPOSITES INC COM 87266J104 6,273 330,000 SH   SOLE   330,000 0 0
INGERSOLL-RAND PLC COM G47791101 23,501 289,000 SH   SOLE   289,000 0 0
FORTIVE CORP COM 34959J108 17,132 284,488 SH   SOLE   284,488 0 0
ADIENT PLC COM G0084W101 18,004 247,746 SH   SOLE   247,746 0 0
VISTEON CORP COM 92839U206 22,472 229,428 SH   SOLE   229,428 0 0
SERVICEMASTER GLOBAL HOLDINGS INC COM 81761R109 9,443 226,174 SH   SOLE   226,174 0 0
MOBILEYE NV COM N51488117 13,803 224,800 SH   SOLE   224,800 0 0
WATTS WATER TECHNOLOGIES INC COM 942749102 12,244 196,379 SH   SOLE   196,379 0 0
WASTE CONNECTIONS INC COM 94106B101 16,864 191,163 SH   SOLE   191,163 0 0
AQUAVENTURE HOLDINGS LTD COM G0443N107 3,182 186,389 SH   SOLE   186,389 0 0
GRANITE CONSTRUCTION INC COM 387328107 9,132 181,943 SH   SOLE   181,943 0 0
GASLOG LTD COM G37585109 2,763 180,000 SH   SOLE   180,000 0 0
XYLEM INC/NY COM 98419M100 8,043 160,161 SH   SOLE   160,161 0 0
DELPHI AUTOMOTIVE PLC COM G27823106 10,661 132,450 SH   SOLE   132,450 0 0
ECOLAB INC COM 278865100 16,364 130,553 SH   SOLE   130,553 0 0
ROPER INDUSTRIES INC COM 776696106 19,204 93,000 SH   SOLE   93,000 0 0
IDEX CORP COM 45167R104 5,611 60,000 SH   SOLE   60,000 0 0
LENNOX INTERNATIONAL INC COM 526107107 8,679 51,877 SH   SOLE   51,877 0 0
GASLOG PARTNERS LP COM Y2687W108 1,145 46,730 SH   SOLE   46,730 0 0