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
Advanced Drainage Systems Inc COM 00790R104 24,366 940,757 SH   SOLE   940,757 0 0
American Railcar Industries In COM 02916P103 23,452 626,887 SH   SOLE   626,887 0 0
AO Smith Corp COM 831865209 11,402 179,300 SH   SOLE   179,300 0 0
AquaVenture Holdings Ltd COM G0443N107 2,983 240,141 SH   SOLE   240,141 0 0
China Rapid Finance Ltd ADR 16953Q105 174 35,000 SH   SOLE   35,000 0 0
Ecolab Inc COM 278865100 14,666 107,000 SH   SOLE   107,000 0 0
Fortive Corp COM 34959J108 16,899 218,000 SH   SOLE   218,000 0 0
Four Seasons Education Cayman Inc ADR 35101A101 252 38,000 SH   SOLE   38,000 0 0
GasLog Ltd COM G37585109 247 15,000 SH   SOLE   15,000 0 0
GasLog Partners LP COM Y2687W108 1,089 46,730 SH   SOLE   46,730 0 0
Hannon Armstrong Sustainable Infrastructure Capital Inc REIT 41068X100 9,760 500,532 SH   SOLE   500,532 0 0
Ingersoll-Rand PLC COM G47791101 9,201 107,600 SH   SOLE   107,600 0 0
Johnson Controls International plc COM G51502105 25,654 727,967 SH   SOLE   727,967 0 0
Luxoft Holding Inc COM G57279104 221 5,400 SH   SOLE   5,400 0 0
Manhattan Associates Inc COM 562750109 7,941 189,619 SH   SOLE   189,619 0 0
MiX Telematics Ltd ADR 60688N102 11,297 726,478 SH   SOLE   726,478 0 0
MYR Group Inc COM 55405W104 15,231 494,207 SH   SOLE   494,207 0 0
NRG Yield Inc COM 62942X405 19,134 1,125,524 SH   SOLE   1,125,524 0 0
Republic Services Inc COM 760759100 17,882 270,000 SH   SOLE   270,000 0 0
Rexnord Corp COM 76169B102 33,069 1,114,194 SH   SOLE   1,114,194 0 0
RISE Education Cayman Ltd ADR 76761L102 383 25,000 SH   SOLE   25,000 0 0
Rogers Corp COM 775133101 20,796 173,963 SH   SOLE   173,963 0 0
Roper Industries Inc COM 776696106 25,262 90,000 SH   SOLE   90,000 0 0
Sealed Air Corp COM 81211K100 25,095 586,460 SH   SOLE   586,460 0 0
Sensata Technologies Holding PLC COM G8060N102 25,949 500,652 SH   SOLE   500,652 0 0
ServiceMaster Global Holdings Inc COM 81761R109 12,357 243,000 SH   SOLE   243,000 0 0
Switch Inc COM 87105L104 19,947 1,253,732 SH   SOLE   1,253,732 0 0
TE Connectivity Ltd COM H84989104 16,318 163,339 SH   SOLE   163,339 0 0
TreeHouse Foods Inc COM 89469A104 19,830 518,154 SH   SOLE   518,154 0 0
Trimble Navigation Ltd COM 896239100 18,061 503,365 SH   SOLE   503,365 0 0
Veeco Instruments Inc COM 922417100 8,723 513,147 SH   SOLE   513,147 0 0
Visteon Corp COM 92839U206 26,551 240,843 SH   SOLE   240,843 0 0
Vivint Solar Inc COM 92854Q106 3,719 1,018,830 SH   SOLE   1,018,830 0 0
Waste Connections Inc COM 94106B101 25,135 350,360 SH   SOLE   350,360 0 0
Watts Water Technologies Inc COM 942749102 15,196 195,579 SH   SOLE   195,579 0 0
Zebra Technologies Corp COM 989207105 24,555 176,414 SH   SOLE   176,414 0 0