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 22,117 967,085 SH   SOLE   967,085 0 0
REXNORD CORP COM 76169B102 20,067 863,117 SH   SOLE   863,117 0 0
ADVANCED DRAINAGE SYSTEMS INC COM 00790R104 16,841 837,866 SH   SOLE   837,866 0 0
NRG YIELD INC COM 62942X405 13,808 784,524 SH   SOLE   784,524 0 0
VIVINT SOLAR INC COM 92854Q106 4,556 778,742 SH   SOLE   778,742 0 0
JOHNSON CONTROLS INTERNATIONAL PLC COM G51502105 25,971 598,967 SH   SOLE   598,967 0 0
GASLOG LTD COM G37585109 8,724 572,096 SH   SOLE   572,096 0 0
AECOM TECHNOLOGY CORP COM 00766T100 16,235 502,162 SH   SOLE   502,162 0 0
SENSATA TECHNOLOGIES HOLDING N COM N7902X106 21,388 500,652 SH   SOLE   500,652 0 0
MYR GROUP INC COM 55405W104 15,355 495,011 SH   SOLE   495,011 0 0
REPUBLIC SERVICES INC COM 760759100 28,691 450,200 SH   SOLE   450,200 0 0
PATTERN ENERGY GROUP INC COM 70338P100 10,581 443,824 SH   SOLE   443,824 0 0
SEALED AIR CORP COM 81211K100 19,614 438,200 SH   SOLE   438,200 0 0
MUELLER WATER PRODUCTS INC COM 624758108 5,117 438,118 SH   SOLE   438,118 0 0
SERVICEMASTER GLOBAL HOLDINGS INC COM 81761R109 16,231 414,174 SH   SOLE   414,174 0 0
BORGWARNER INC COM 099724106 16,253 383,678 SH   SOLE   383,678 0 0
AO SMITH CORP COM 831865209 21,029 373,324 SH   SOLE   373,324 0 0
MOSAIC CO/THE COM 61945C103 8,105 355,000 SH   SOLE   355,000 0 0
WASTE CONNECTIONS INC COM 94106B101 22,570 350,360 SH   SOLE   350,360 0 0
TPI COMPOSITES INC COM 87266J104 5,873 317,800 SH   SOLE   317,800 0 0
FORTIVE CORP COM 34959J108 19,574 308,988 SH   SOLE   308,988 0 0
INGERSOLL-RAND PLC COM G47791101 25,863 283,000 SH   SOLE   283,000 0 0
ADIENT PLC COM G0084W101 18,352 280,700 SH   SOLE   280,700 0 0
AQUAVENTURE HOLDINGS LTD COM G0443N107 3,647 239,489 SH   SOLE   239,489 0 0
VISTEON CORP COM 92839U206 23,415 229,428 SH   SOLE   229,428 0 0
MOBILEYE NV COM N51488117 14,117 224,800 SH   SOLE   224,800 0 0
WATTS WATER TECHNOLOGIES INC COM 942749102 12,411 196,379 SH   SOLE   196,379 0 0
GRANITE CONSTRUCTION INC COM 387328107 6,910 143,240 SH   SOLE   143,240 0 0
ECOLAB INC COM 278865100 17,331 130,553 SH   SOLE   130,553 0 0
ZEBRA TECHNOLOGIES CORP COM 989207105 12,189 121,264 SH   SOLE   121,264 0 0
XYLEM INC/NY COM 98419M100 6,652 120,000 SH   SOLE   120,000 0 0
MACQUARIE INFRASTRUCTURE CO LL COM 55608B105 9,173 117,000 SH   SOLE   117,000 0 0
FIRST SOLAR INC COM 336433107 4,433 111,150 SH   SOLE   111,150 0 0
ROPER INDUSTRIES INC COM 776696106 21,532 93,000 SH   SOLE   93,000 0 0
MIX TELEMATICS LTD COM 60688N102 521 66,122 SH   SOLE   66,122 0 0
GASLOG PARTNERS LP COM Y2687W108 1,058 46,730 SH   SOLE   46,730 0 0
LENNOX INTERNATIONAL INC COM 526107107 7,346 40,000 SH   SOLE   40,000 0 0