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
AIRCASTLE LTD COM G0129K104 207 9,300 SH   SOLE 0 9,300 0 0
ATLANTICA YIELD PLC SHS G0751N103 334 17,000 SH   SOLE 0 17,000 0 0
BROOKFIELD INFRAST PARTNERS LP INT UNIT G16252101 861 20,000 SH   SOLE 0 20,000 0 0
BROOKFIELD RENEWABLE PARTNER PARTNERSHIP UNIT G16258108 743 22,200 SH   SOLE 0 22,200 0 0
GASLOG LTD SHS G37585109 9,737 558,513 SH   SOLE 0 558,513 0 0
DYNAGAS LNG PARTNERS LP COM UNIT LTD PT Y2188B108 17,351 1,244,773 SH   SOLE 1 1,244,773 0 0
GASLOG PARTNERS LP UNIT LTD PTNRP Y2687W108 37,020 1,592,331 SH   SOLE 1 1,592,331 0 0
GASLOG PARTNERS LP UNIT LTD PTNRP Y2687W108 14,591 627,910 SH   SOLE 0 627,910 0 0
GOLAR LNG PARTNERS LP COM UNIT LPI Y2745C102 85,232 3,669,124 SH   SOLE 1 3,669,124 0 0
HOEGH LNG PARTNERS LP COM UNIT LTD Y3262R100 25,543 1,377,066 SH   SOLE 1 1,377,066 0 0
HOEGH LNG PARTNERS LP COM UNIT LTD Y3262R100 13,207 712,340 SH   SOLE 0 712,340 0 0
KNOT OFFSHORE PARTNERS LP COM UNITS Y48125101 46,044 1,959,361 SH   SOLE 1 1,959,361 0 0
KNOT OFFSHORE PARTNERS LP COM UNITS Y48125101 3,273 139,302 SH   SOLE 0 139,302 0 0
AMERICAN TOWER CORP NEW COM 03027X100 2,335 17,100 SH   SOLE 0 17,100 0 0
ANADARKO PETE CORP UNIT 99/99/9999 032511404 2,819 70,960 SH   SOLE 1 70,960 0 0
ANADARKO PETE CORP UNIT 99/99/9999 032511404 10,427 262,423 SH   SOLE 0 262,423 0 0
ANDEAVOR LOGISTICS LP COM UNIT LP INT 03350F106 64,475 1,288,000 SH   SOLE 1 1,288,000 0 0
ANDEAVOR LOGISTICS LP COM UNIT LP INT 03350F106 60,101 1,200,745 SH   SOLE 0 1,200,745 0 0
ANTERO MIDSTREAM PARTNERS LP UNT LTD PARTN 03673L103 41,345 1,311,350 SH   SOLE 1 1,311,350 0 0
ANTERO MIDSTREAM PARTNERS LP UNT LTD PARTN 03673L103 48,561 1,540,500 SH   SOLE 0 1,540,500 0 0
ARC LOGISTICS PARTNERS LP COM UT REP LPN 03879N101 32,112 1,922,947 SH   SOLE 1 1,922,947 0 0
ARES CAP CORP COM 04010L103 766 46,800 SH   SOLE 0 46,800 0 0
BLACKSTONE GROUP L P COM UNIT LTD 09253U108 2,478 74,300 SH   SOLE 0 74,300 0 0
BOARDWALK PIPELINE PARTNERS UT LTD PARTNER 096627104 27,457 1,868,400 SH   SOLE 0 1,868,400 0 0
BROOKFIELD ASSET MGMT INC CL A LTD VT SH 112585104 268 6,500 SH   SOLE 0 6,500 0 0
BROOKFIELD GLOBL LISTED INFR COM SHS 11273Q109 229 17,000 SH   SOLE 0 17,000 0 0
BUCKEYE PARTNERS L P UNIT LTD PARTN 118230101 188,037 3,298,961 SH   SOLE 1 3,298,961 0 0
BUCKEYE PARTNERS L P UNIT LTD PARTN 118230101 64,848 1,137,897 SH   SOLE 0 1,137,897 0 0
CARETRUST REIT INC COM 14174T107 283 14,900 SH   SOLE 0 14,900 0 0
CHENIERE ENERGY PARTNERS LP COM UNIT 16411Q101 14,233 493,880 SH   SOLE 1 493,880 0 0
CHENIERE ENERGY PARTNERS LP COM UNIT 16411Q101 16,767 582,080 SH   SOLE 0 582,080 0 0
CHENIERE ENERGY INC COM NEW 16411R208 22,639 502,792 SH   SOLE 0 502,792 0 0
CHENIERE ENERGY PTNRS LP HLD COM REP LLC IN 16411W108 2,508 100,000 SH   SOLE 1 100,000 0 0
CHENIERE ENERGY PTNRS LP HLD COM REP LLC IN 16411W108 14,770 589,020 SH   SOLE 0 589,020 0 0
CRESTWOOD EQUITY PARTNERS LP UNIT LTD PARTNER 226344208 42,040 1,723,039 SH   SOLE 1 1,723,039 0 0
CRESTWOOD EQUITY PARTNERS LP UNIT LTD PARTNER 226344208 1,981 81,200 SH   SOLE 0 81,200 0 0
CROSSAMERICA PARTNERS LP UT LTD PTN INT 22758A105 272 10,000 SH   SOLE 0 10,000 0 0
CROWN CASTLE INTL CORP NEW COM 22822V101 1,786 17,900 SH   SOLE 0 17,900 0 0
DCP MIDSTREAM LP COM UT LTD PTN 23311P100 202,732 5,852,617 SH   SOLE 1 5,852,617 0 0
DCP MIDSTREAM LP COM UT LTD PTN 23311P100 32,492 938,221 SH   SOLE 0 938,221 0 0
DIGITAL RLTY TR INC COM 253868103 2,827 23,900 SH   SOLE 0 23,900 0 0
DOMINION MIDSTREAM PARTNERS COM UT REP LTD 257454108 7,171 224,142 SH   SOLE 1 224,142 0 0
DOMINION MIDSTREAM PARTNERS COM UT REP LTD 257454108 30,177 943,200 SH   SOLE 0 943,200 0 0
DOMINION ENERGY INC COM 25746U109 507 6,600 SH   SOLE 0 6,600 0 0
DUKE ENERGY CORP NEW COM NEW 26441C204 209 2,500 SH   SOLE 0 2,500 0 0
EQT MIDSTREAM PARTNERS LP UNIT LTD PARTN 26885B100 63,578 848,091 SH   SOLE 1 848,091 0 0
EQT MIDSTREAM PARTNERS LP UNIT LTD PARTN 26885B100 124,377 1,659,201 SH   SOLE 0 1,659,201 0 0
EQT GP HLDGS LP COM UNIT REP 26885J103 38,504 1,329,927 SH   SOLE 0 1,329,927 0 0
ECLIPSE RES CORP COM 27890G100 736 294,500 SH   SOLE 0 294,500 0 0
ENBRIDGE INC COM 29250N105 41,441 990,480 SH   SOLE 1 990,480 0 0
ENBRIDGE INC COM 29250N105 37,757 902,624 SH   SOLE 0 902,624 0 0
ENBRIDGE ENERGY PARTNERS L P COM 29250R106 47,497 2,972,383 SH   SOLE 1 2,972,383 0 0
ENBRIDGE ENERGY PARTNERS L P COM 29250R106 279 17,500 SH   SOLE 0 17,500 0 0
ENBRIDGE ENERGY MANAGEMENT L SHS UNITS LLI 29250X103 115,072 7,443,358 SH   SOLE 1 7,443,358 0 0
ENBRIDGE ENERGY MANAGEMENT L SHS UNITS LLI 29250X103 37,326 2,414,865 SH   SOLE 0 2,414,865 0 0
ENERGY TRANSFER EQUITY L P COM UT LTD PTN 29273V100 26,418 1,520,148 SH   SOLE 1 1,520,148 0 0
ENERGY TRANSFER EQUITY L P COM UT LTD PTN 29273V100 62,296 3,585,000 SH   SOLE 0 3,585,000 0 0
ENERPLUS CORP COM 292766102 443 45,000 SH   SOLE 0 45,000 0 0
ENERGY TRANSFER PRTNRS L P UNIT LTD PARTN 29278N103 436,703 23,876,777 SH   SOLE 1 23,876,777 0 0
ENERGY TRANSFER PRTNRS L P UNIT LTD PARTN 29278N103 187,905 10,274,293 SH   SOLE 0 10,274,293 0 0
ENLINK MIDSTREAM LLC COM UNIT REP LTD 29336T100 3,979 230,700 SH   SOLE 1 230,700 0 0
ENLINK MIDSTREAM PARTNERS LP COM UNIT REP LTD 29336U107 76,140 4,543,008 SH   SOLE 1 4,543,008 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 565,945 21,708,737 SH   SOLE 1 21,708,737 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 279,567 10,724,273 SH   SOLE 0 10,724,273 0 0
ENVIVA PARTNERS LP COM UNIT 29414J107 251 8,500 SH   SOLE 0 8,500 0 0
EQUINIX INC COM PAR $0.001 29444U700 4,850 10,870 SH   SOLE 0 10,870 0 0
FORTRESS TRANS INFRST INVS L COM REP LTD LIAB 34960P101 180 10,000 SH   SOLE 0 10,000 0 0
FRESHPET INC COM 358039105 982 62,755 SH   SOLE 0 62,755 0 0
GENESIS ENERGY L P UNIT LTD PARTN 371927104 9,404 357,000 SH   SOLE 1 357,000 0 0
GLOBAL PARTNERS LP COM UNITS 37946R109 26,829 1,541,989 SH   SOLE 1 1,541,989 0 0
GLOBAL PARTNERS LP COM UNITS 37946R109 6,760 389,026 SH   SOLE 0 389,026 0 0
HANNON ARMSTRONG SUST INFR C COM 41068X100 231 9,500 SH   SOLE 0 9,500 0 0
HESS MIDSTREAM PARTNERS LP UNIT LTD PR INT 428104103 12,084 550,387 SH   SOLE 0 550,387 0 0
HI-CRUSH PARTNERS LP COM UNIT LTD 428337109 8,767 923,100 SH   SOLE 0 923,100 0 0
INFRAREIT INC COM 45685L100 8,341 373,111 SH   SOLE 0 373,111 0 0
ISHARES TR GLB INFRASTR ETF 464288372 203 4,500 SH   SOLE 0 4,500 0 0
KKR & CO L P DEL COM UNITS 48248M102 1,691 83,300 SH   SOLE 0 83,300 0 0
KAYNE ANDERSON ENRGY TTL RT COM 48660P104 1,096 98,580 SH   SOLE 0 98,580 0 0
KAYNE ANDERSON ENERGY DEV CO COM 48660Q102 318 18,359 SH   SOLE 0 18,359 0 0
KAYNE ANDERSON MLP INVT CO COM 486606106 5,195 285,929 SH   SOLE 0 285,929 0 0
KAYNE ANDERSON MDSTM ENERGY COM 48661E108 848 57,740 SH   SOLE 0 57,740 0 0
KINDER MORGAN INC DEL COM 49456B101 37,663 1,963,762 SH   SOLE 1 1,963,762 0 0
KINDER MORGAN INC DEL COM 49456B101 122,497 6,387,505 SH   SOLE 0 6,387,505 0 0
LANDMARK INFRASTRUCTURE LP COM UNIT LTD 51508J108 396 23,400 SH   SOLE 0 23,400 0 0
MPLX LP COM UNIT REP LTD 55336V100 211,531 6,042,092 SH   SOLE 1 6,042,092 0 0
MPLX LP COM UNIT REP LTD 55336V100 159,097 4,544,772 SH   SOLE 0 4,544,772 0 0
MACQUARIE INFRASTRUCTURE COR COM 55608B105 18,542 256,900 SH   SOLE 1 256,900 0 0
MACQUARIE INFRASTRUCTURE COR COM 55608B105 11,551 160,090 SH   SOLE 0 160,090 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 150,863 2,123,062 SH   SOLE 1 2,123,062 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 73,935 1,040,663 SH   SOLE 0 1,040,663 0 0
NGL ENERGY PARTNERS LP COM UNIT REPST 62913M107 16,040 1,388,837 SH   SOLE 1 1,388,837 0 0
NGL ENERGY PARTNERS LP COM UNIT REPST 62913M107 10,931 947,300 SH   SOLE 0 947,300 0 0
NATIONAL GRID PLC SPONSORED ADR NE 636274409 257 4,100 SH   SOLE 0 4,100 0 0
NEXTERA ENERGY INC COM 65339F101 3,962 27,050 SH   SOLE 0 27,050 0 0
NEXTERA ENERGY INC UNIT 09/01/2019 65339F820 11,442 207,000 SH   SOLE 0 207,000 0 0
NEXTERA ENERGY PARTNERS LP COM UNIT PART IN 65341B106 4,229 105,000 SH   SOLE 1 105,000 0 0
NEXTERA ENERGY PARTNERS LP COM UNIT PART IN 65341B106 21,472 533,072 SH   SOLE 0 533,072 0 0
NOBLE MIDSTREAM PARTNERS LP COM UNIT REPST 65506L105 40,758 785,863 SH   SOLE 1 785,863 0 0
NOBLE MIDSTREAM PARTNERS LP COM UNIT REPST 65506L105 44,379 855,822 SH   SOLE 0 855,822 0 0
NUSTAR ENERGY LP UNIT COM 67058H102 35,696 879,500 SH   SOLE 1 879,500 0 0
NUSTAR ENERGY LP UNIT COM 67058H102 207 5,100 SH   SOLE 0 5,100 0 0
OAKTREE CAP GROUP LLC UNIT CL A 674001201 254 5,400 SH   SOLE 0 5,400 0 0
OASIS MIDSTREAM PARTNERS LP COM UNITS REPS 67420T206 18,450 1,088,000 SH   SOLE 1 1,088,000 0 0
OASIS MIDSTREAM PARTNERS LP COM UNITS REPS 67420T206 4,119 243,000 SH   SOLE 0 243,000 0 0
ONEOK INC NEW COM 682680103 352,240 6,357,033 SH   SOLE 1 6,357,033 0 0
ONEOK INC NEW COM 682680103 172,858 3,119,612 SH   SOLE 0 3,119,612 0 0
PATTERN ENERGY GROUP INC CL A 70338P100 231 9,600 SH   SOLE 0 9,600 0 0
PEMBINA PIPELINE CORP COM 706327103 12,564 358,000 SH   SOLE 1 358,000 0 0
PEMBINA PIPELINE CORP COM 706327103 62,073 1,768,800 SH   SOLE 0 1,768,800 0 0
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 718549207 35,053 666,964 SH   SOLE 1 666,964 0 0
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 718549207 84,134 1,600,897 SH   SOLE 0 1,600,897 0 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 198,947 9,388,778 SH   SOLE 1 9,388,778 0 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 27,701 1,307,457 SH   SOLE 0 1,307,457 0 0
PLAINS GP HLDGS L P LTD PARTNR INT A 72651A207 49,759 2,275,319 SH   SOLE 1 2,275,319 0 0
PLAINS GP HLDGS L P LTD PARTNR INT A 72651A207 56,964 2,605,198 SH   SOLE 0 2,605,198 0 0
PRIMO WTR CORP COM 74165N105 1,318 111,344 SH   SOLE 0 111,344 0 0
PROLOGIS INC COM 74340W103 691 10,900 SH   SOLE 0 10,900 0 0
RSP PERMIAN INC COM 74978Q105 85,494 2,471,647 SH   SOLE 1 2,471,647 0 0
ROYAL DUTCH SHELL PLC SPON ADR B 780259107 10,806 172,800 SH   SOLE 1 172,800 0 0
SEMGROUP CORP CL A 81663A105 12,421 432,076 SH   SOLE 1 432,076 0 0
SEMGROUP CORP CL A 81663A105 24,499 852,385 SH   SOLE 0 852,385 0 0
SEMPRA ENERGY COM 816851109 638 5,600 SH   SOLE 0 5,600 0 0
SHELL MIDSTREAM PARTNERS L P UNIT LTD INT 822634101 34,445 1,237,286 SH   SOLE 1 1,237,286 0 0
SHELL MIDSTREAM PARTNERS L P UNIT LTD INT 822634101 81,258 2,919,212 SH   SOLE 0 2,919,212 0 0
SPECTRA ENERGY PARTNERS LP COM 84756N109 74,196 1,671,894 SH   SOLE 1 1,671,894 0 0
SPECTRA ENERGY PARTNERS LP COM 84756N109 95,192 2,145,200 SH   SOLE 0 2,145,200 0 0
SPRAGUE RES LP COM UNIT REP LTD 849343108 19,963 811,554 SH   SOLE 1 811,554 0 0
SPRAGUE RES LP COM UNIT REP LTD 849343108 369 15,000 SH   SOLE 0 15,000 0 0
SUMMIT MIDSTREAM PARTNERS LP COM UNIT LTD 866142102 50,595 2,529,770 SH   SOLE 1 2,529,770 0 0
SUMMIT MIDSTREAM PARTNERS LP COM UNIT LTD 866142102 12,553 627,800 SH   SOLE 0 627,800 0 0
SUNOCO LP COM U REP LP 86765K109 463 14,900 SH   SOLE 0 14,900 0 0
TCG BDC INC COM 872280102 225 12,000 SH   SOLE 0 12,000 0 0
TC PIPELINES LP UT COM LTD PRT 87233Q108 47,907 915,700 SH   SOLE 1 915,700 0 0
TC PIPELINES LP UT COM LTD PRT 87233Q108 53,220 1,017,427 SH   SOLE 0 1,017,427 0 0
TPG SPECIALTY LENDING INC COM 87265K102 249 11,900 SH   SOLE 0 11,900 0 0
TALLGRASS ENERGY GP LP SHS CL A 874696107 47,087 1,666,874 SH   SOLE 1 1,666,874 0 0
TALLGRASS ENERGY GP LP SHS CL A 874696107 104,233 3,689,998 SH   SOLE 0 3,689,998 0 0
TALLGRASS ENERGY PARTNERS LP COM UNIT 874697105 81,295 1,697,566 SH   SOLE 1 1,697,566 0 0
TALLGRASS ENERGY PARTNERS LP COM UNIT 874697105 78,432 1,637,990 SH   SOLE 0 1,637,990 0 0
TARGA RES CORP COM 87612G101 217,573 4,599,909 SH   SOLE 1 4,599,909 0 0
TARGA RES CORP COM 87612G101 87,377 1,847,552 SH   SOLE 0 1,847,552 0 0
TRANSCANADA CORP COM 89353D107 16,381 331,406 SH   SOLE 1 331,406 0 0
TRANSCANADA CORP COM 89353D107 64,931 1,313,825 SH   SOLE 0 1,313,825 0 0
U S SILICA HLDGS INC COM 90346E103 2,369 76,300 SH   SOLE 0 76,300 0 0
VIPER ENERGY PARTNERS LP COM UNT RP INT 92763M105 6,990 375,000 SH   SOLE 1 375,000 0 0
VIPER ENERGY PARTNERS LP COM UNT RP INT 92763M105 15,994 858,200 SH   SOLE 0 858,200 0 0
WESTERN GAS EQUITY PARTNERS COMUNT LTD PT 95825R103 10,293 250,158 SH   SOLE 0 250,158 0 0
WESTERN GAS PARTNERS LP COM UNIT LP IN 958254104 257,127 5,014,231 SH   SOLE 1 5,014,231 0 0
WESTERN GAS PARTNERS LP COM UNIT LP IN 958254104 210,127 4,097,898 SH   SOLE 0 4,097,898 0 0
WEYERHAEUSER CO COM 962166104 221 6,500 SH   SOLE 0 6,500 0 0
WILLIAMS COS INC DEL COM 969457100 54,254 1,807,900 SH   SOLE 1 1,807,900 0 0
WILLIAMS COS INC DEL COM 969457100 36,336 1,210,960 SH   SOLE 0 1,210,960 0 0
WILLIAMS PARTNERS L P NEW COM UNIT LTD PAR 96949L105 355,672 9,143,260 SH   SOLE 1 9,143,260 0 0
WILLIAMS PARTNERS L P NEW COM UNIT LTD PAR 96949L105 86,889 2,233,938 SH   SOLE 0 2,233,938 0 0