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
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
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
ALLETE INC COM NEW 018522300 1,301 20,271 SH   SOLE   20,271 0 0
AMERICAN WTR WKS CO INC NEW COM 030420103 4,635 64,055 SH   SOLE   64,055 0 0
ANADARKO PETE CORP COM 032511107 24,989 358,367 SH   SOLE   358,367 0 0
ANTERO MIDSTREAM PARTNERS LP UNT LTD PARTN 03673L103 22,910 741,901 SH   SOLE   741,901 0 0
ANTERO RES CORP COM 03674X106 635 26,840 SH   SOLE   26,840 0 0
AQUA AMERICA INC COM 03836W103 1,380 45,924 SH   SOLE   45,924 0 0
ATMOS ENERGY CORP COM 049560105 1,830 24,678 SH   SOLE   24,678 0 0
AVISTA CORP COM 05379B107 1,254 31,359 SH   SOLE   31,359 0 0
BAKER HUGHES INC COM 057224107 2,563 39,450 SH   SOLE   39,450 0 0
BLACK HILLS CORP COM 092113109 2,886 47,042 SH   SOLE   47,042 0 0
BOARDWALK PIPELINE PARTNERS UT LTD PARTNER 096627104 29,439 1,695,812 SH   SOLE   1,695,812 0 0
BUCKEYE PARTNERS L P UNIT LTD PARTN 118230101 7,935 119,930 SH   SOLE   119,930 0 0
CABOT OIL & GAS CORP COM 127097103 5,492 235,100 SH   SOLE   235,100 0 0
CHENIERE ENERGY INC COM NEW 16411R208 35,312 852,332 SH   SOLE   852,332 0 0
CHEVRON CORP NEW COM 166764100 32,509 276,200 SH   SOLE   276,200 0 0
CIMAREX ENERGY CO COM 171798101 2,408 17,720 SH   SOLE   17,720 0 0
CMS ENERGY CORP COM 125896100 1,254 30,133 SH   SOLE   30,133 0 0
CONCHO RES INC COM 20605P101 8,035 60,595 SH   SOLE   60,595 0 0
CONOCOPHILLIPS COM 20825C104 2,642 52,700 SH   SOLE   52,700 0 0
CONTINENTAL RESOURCES INC COM 212015101 1,704 33,060 SH   SOLE   33,060 0 0
DEVON ENERGY CORP NEW COM 25179M103 2,729 59,765 SH   SOLE   59,765 0 0
DIAMONDBACK ENERGY INC COM 25278X109 22,804 225,650 SH   SOLE   225,650 0 0
DTE ENERGY CO COM 233331107 1,807 18,339 SH   SOLE   18,339 0 0
ENABLE MIDSTREAM PARTNERS LP COM UNIT RP IN 292480100 7,301 464,132 SH   SOLE   464,132 0 0
ENBRIDGE ENERGY PARTNERS L P COM 29250R106 828 32,505 SH   SOLE   32,505 0 0
ENBRIDGE INC COM 29250N105 7,369 174,953 SH   SOLE   174,953 0 0
ENCANA CORP COM 292505104 829 70,600 SH   SOLE   70,600 0 0
ENERGY TRANSFER EQUITY L P COM UT LTD PTN 29273V100 22,905 1,186,159 SH   SOLE   1,186,159 0 0
ENERGY TRANSFER PRTNRS L P UNIT LTD PARTN 29273R109 20,677 577,411 SH   SOLE   577,411 0 0
ENLINK MIDSTREAM PARTNERS LP COM UNIT REP LTD 29336U107 1,411 76,589 SH   SOLE   76,589 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 31,405 1,161,422 SH   SOLE   1,161,422 0 0
EOG RES INC COM 26875P101 35,771 353,820 SH   SOLE   353,820 0 0
EQT CORP COM 26884L109 4,585 70,100 SH   SOLE   70,100 0 0
EQT GP HLDGS LP COM UNIT REP 26885J103 8,230 326,447 SH   SOLE   326,447 0 0
EQT MIDSTREAM PARTNERS LP UNIT LTD PARTN 26885B100 21,698 282,970 SH   SOLE   282,970 0 0
EXXON MOBIL CORP COM 30231G102 5,213 57,750 SH   SOLE   57,750 0 0
FAIRMOUNT SANTROL HLDGS INC COM 30555Q108 10,848 920,115 SH   SOLE   920,115 0 0
FORUM ENERGY TECHNOLOGIES IN COM 34984V100 18,998 863,557 SH   SOLE   863,557 0 0
GOLAR LNG LTD BERMUDA SHS G9456A100 8,619 375,701 SH   SOLE   375,701 0 0
GREAT PLAINS ENERGY INC COM 391164100 1,393 50,939 SH   SOLE   50,939 0 0
HALLIBURTON CO COM 406216101 30,833 570,035 SH   SOLE   570,035 0 0
KINDER MORGAN INC DEL COM 49456B101 36,690 1,771,593 SH   SOLE   1,771,593 0 0
LAREDO PETROLEUM INC COM 516806106 18,446 1,304,507 SH   SOLE   1,304,507 0 0
MACQUARIE INFRASTRUCTURE COR COM 55608B105 19,108 233,883 SH   SOLE   233,883 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 902 11,926 SH   SOLE   11,926 0 0
MARATHON PETE CORP COM 56585A102 2,729 54,200 SH   SOLE   54,200 0 0
MPLX LP COM UNIT REP LTD 55336V100 2,559 73,916 SH   SOLE   73,916 0 0
NEXTERA ENERGY INC COM 65339F101 4,381 36,673 SH   SOLE   36,673 0 0
NEXTERA ENERGY PARTNERS LP COM UNIT PART IN 65341B106 2,456 96,179 SH   SOLE   96,179 0 0
NOBLE ENERGY INC COM 655044105 2,439 64,087 SH   SOLE   64,087 0 0
NOBLE MIDSTREAM PARTNERS LP COM UNIT REPST 65506L105 6,426 178,506 SH   SOLE   178,506 0 0
NUSTAR GP HOLDINGS LLC UNIT RESTG LLC 67059L102 8,822 305,243 SH   SOLE   305,243 0 0
OASIS PETE INC NEW COM 674215108 36,016 2,378,854 SH   SOLE   2,378,854 0 0
ONEOK PARTNERS LP UNIT LTD PARTN 68268N103 7,503 174,438 SH   SOLE   174,438 0 0
PARSLEY ENERGY INC CL A 701877102 986 27,990 SH   SOLE   27,990 0 0
PATTERN ENERGY GROUP INC CL A 70338P100 3,178 167,342 SH   SOLE   167,342 0 0
PDC ENERGY INC COM 69327R101 515 7,100 SH   SOLE   7,100 0 0
PG&E CORP COM 69331C108 3,394 55,848 SH   SOLE   55,848 0 0
PHILLIPS 66 COM 718546104 4,473 51,761 SH   SOLE   51,761 0 0
PIONEER NAT RES CO COM 723787107 11,533 64,050 SH   SOLE   64,050 0 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 16,101 498,643 SH   SOLE   498,643 0 0
QEP RES INC COM 74733V100 300 16,300 SH   SOLE   16,300 0 0
RICE ENERGY INC COM 762760106 20,044 938,825 SH   SOLE   938,825 0 0
RICE MIDSTREAM PARTNERS LP UNIT LTD PARTN 762819100 6,933 282,041 SH   SOLE   282,041 0 0
ROYAL DUTCH SHELL PLC SPONS ADR A 780259206 13,364 245,760 SH   SOLE   245,760 0 0
SCHLUMBERGER LTD COM 806857108 13,139 156,510 SH   SOLE   156,510 0 0
SEMGROUP CORP CL A 81663A105 16,477 394,666 SH   SOLE   394,666 0 0
SEMPRA ENERGY COM 816851109 4,378 43,506 SH   SOLE   43,506 0 0
SHELL MIDSTREAM PARTNERS L P UNIT LTD INT 822634101 28,126 966,847 SH   SOLE   966,847 0 0
SOUTHWESTERN ENERGY CO COM 845467109 238 22,000 SH   SOLE   22,000 0 0
SPECTRA ENERGY PARTNERS LP COM 84756N109 438 9,552 SH   SOLE   9,552 0 0
STATOIL ASA SPONSORED ADR 85771P102 6,375 349,500 SH   SOLE   349,500 0 0
SUMMIT MIDSTREAM PARTNERS LP COM UNIT LTD 866142102 280 11,145 SH   SOLE   11,145 0 0
SUNOCO LOGISTICS PRTNRS L P COM UNITS 86764L108 2,155 89,700 SH   SOLE   89,700 0 0
TARGA RES CORP COM 87612G101 23,303 415,608 SH   SOLE   415,608 0 0
TESORO CORP COM 881609101 1,443 16,500 SH   SOLE   16,500 0 0
TESORO LOGISTICS LP COM UNIT LP 88160T107 1,655 32,572 SH   SOLE   32,572 0 0
TRANSCANADA CORP COM 89353D107 14,046 311,105 SH   SOLE   311,105 0 0
U S SILICA HLDGS INC COM 90346E103 6,080 107,277 SH   SOLE   107,277 0 0
USA COMPRESSION PARTNERS LP COMUNIT LTDPAR 90290N109 6,309 364,671 SH   SOLE   364,671 0 0
VALERO ENERGY CORP NEW COM 91913Y100 1,459 21,350 SH   SOLE   21,350 0 0
VALERO ENERGY PARTNERS LP COM UNT REP LP 91914J102 31,695 715,944 SH   SOLE   715,944 0 0
WEATHERFORD INTL PLC ORD SHS G48833100 26,786 5,367,914 SH   SOLE   5,367,914 0 0
WESTERN GAS EQUITY PARTNERS COMUNT LTD PT 95825R103 23,439 553,456 SH   SOLE   553,456 0 0
WESTERN GAS PARTNERS LP COM UNIT LP IN 958254104 16,219 276,016 SH   SOLE   276,016 0 0
WESTERN REFNG LOGISTICS LP COM UNIT REP LTP 95931Q205 25,610 1,199,515 SH   SOLE   1,199,515 0 0
WILLIAMS COS INC DEL COM 969457100 24,924 800,374 SH   SOLE   800,374 0 0
WILLIAMS PARTNERS L P NEW COM UNIT LTD PAR 96949L105 9,021 237,207 SH   SOLE   237,207 0 0
WPX ENERGY INC COM 98212B103 20,352 1,396,810 SH   SOLE   1,396,810 0 0