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
Access Midstream Partners L UNIT 00434L109 157,112 2,730,008 SH   SOLE 0 2,730,008 0 0
Access Midstream Partners L UNIT 00434L109 230,998 4,013,860 SH   SOLE 1 4,013,860 0 0
Activision Blizzard Inc COM 00507V109 249 12,200 SH   SOLE 0 12,200 0 0
Aercap Holdings NV SHS N00985106 211 5,000 SH   SOLE 0 5,000 0 0
Alliance Holdings GP LP COM UNITS LP 01861G100 3,245 52,235 SH   SOLE 0 52,235 0 0
Alliance Holdings GP LP COM UNITS LP 01861G100 129,043 2,077,323 SH   SOLE 1 2,077,323 0 0
Alliance Res Partner L P UT LTD PART 01877R108 16,875 200,553 SH   SOLE 1 200,553 0 0
American Intl Group Inc COM NEW 026874784 120 2,400 SH   SOLE 0 2,400 0 0
Arc Logistics Partners LP COM UT REP LPN 03879N101 8,815 415,800 SH   SOLE 0 415,800 0 0
Arc Logistics Partners LP COM UT REP LPN 03879N101 29,313 1,382,605 SH   SOLE 1 1,382,605 0 0
Atlas Pipeline Partners LP UNIT L P INT 049392103 37,884 1,179,820 SH   SOLE 0 1,179,820 0 0
Atlas Pipeline Partners LP UNIT L P INT 049392103 40,259 1,253,785 SH   SOLE 1 1,253,785 0 0
Baltic Trading Limited COM Y0553W103 1,615 256,000 SH   SOLE 0 256,000 0 0
Baytex Energy Corp COM 07317Q105 823 20,000 SH   SOLE 0 20,000 0 0
Boardwalk Pipeline Partners UT LTD PARTNER 096627104 10,681 796,500 SH   SOLE 0 796,500 0 0
Boardwalk Pipeline Partners UT LTD PARTNER 096627104 18,710 1,395,200 SH   SOLE 1 1,395,200 0 0
Breitburn Energy Partners LP COM UT LTD PTN 106776107 57,074 2,858,000 SH   SOLE 1 2,858,000 0 0
Buckeye Partners L P UNIT LTD PARTN 118230101 79,984 1,065,741 SH   SOLE 0 1,065,741 0 0
Buckeye Partners L P UNIT LTD PARTN 118230101 291,313 3,881,580 SH   SOLE 1 3,881,580 0 0
Capital Product Partners L P COM UNIT LP Y11082107 8,312 759,042 SH   SOLE 0 759,042 0 0
Capital Product Partners L P COM UNIT LP Y11082107 92,127 8,413,399 SH   SOLE 1 8,413,399 0 0
Centerpoint Energy Inc COM 15189T107 7,235 305,400 SH   SOLE 0 305,400 0 0
Centerpoint Energy Inc COM 15189T107 13,660 576,600 SH   SOLE 1 576,600 0 0
CF Inds Hldgs Inc COM 125269100 782 3,000 SH   SOLE 0 3,000 0 0
Consol Energy Inc COM 20854P109 7,215 180,600 SH   SOLE 0 180,600 0 0
Consol Energy Inc COM 20854P109 9,776 244,700 SH   SOLE 1 244,700 0 0
Crestwood Equity Partners LP UNIT LTD PARTNER 226344109 11,099 801,921 SH   SOLE 0 801,921 0 0
Crestwood Equity Partners LP UNIT LTD PARTNER 226344109 61,214 4,422,985 SH   SOLE 1 4,422,985 0 0
Crestwood Midstream Partners UNIT LTD PARTNER 226378107 106,923 4,743,686 SH   SOLE 0 4,743,686 0 0
Crestwood Midstream Partners UNIT LTD PARTNER 226378107 385,404 17,098,667 SH   SOLE 1 17,098,667 0 0
DCP Midstream Partners LP COM UT LTD PTN 23311P100 183,001 3,652,719 SH   SOLE 0 3,652,719 0 0
DCP Midstream Partners LP COM UT LTD PTN 23311P100 428,254 8,547,989 SH   SOLE 1 8,547,989 0 0
Diana Shipping Inc COM Y2066G104 1,834 153,000 SH   SOLE 0 153,000 0 0
Dow Chem Co COM 260543103 1,579 32,500 SH   SOLE 0 32,500 0 0
Dynagas Lng Partners LP COM UNIT LTD PT Y2188B108 4,349 200,700 SH   SOLE 0 200,700 0 0
Dynagas Lng Partners LP COM UNIT LTD PT Y2188B108 58,179 2,684,778 SH   SOLE 1 2,684,778 0 0
EP Energy Corp CL A 268785102 5,675 290,000 SH   SOLE 0 290,000 0 0
EV Energy Partners LP COM UNITS 26926V107 36,643 1,094,157 SH   SOLE 1 1,094,157 0 0
El Paso Pipeline Partners L COM UNIT LPI 283702108 60,229 1,981,864 SH   SOLE 0 1,981,864 0 0
El Paso Pipeline Partners L COM UNIT LPI 283702108 172,305 5,669,784 SH   SOLE 1 5,669,784 0 0
Emerge Energy Svcs LP COM REP PARTN 29102H108 45,586 732,661 SH   SOLE 1 732,661 0 0
Enbridge Energy Management L SHS UNITS LLI 29250X103 34,707 1,252,508 SH   SOLE 0 1,252,508 0 0
Enbridge Energy Management L SHS UNITS LLI 29250X103 257,747 9,301,576 SH   SOLE 1 9,301,576 0 0
Enbridge Energy Partners L P COM 29250R106 41,129 1,500,518 SH   SOLE 0 1,500,518 0 0
Enbridge Energy Partners L P COM 29250R106 163,246 5,955,711 SH   SOLE 1 5,955,711 0 0
Enbridge Inc COM 29250N105 27,970 614,586 SH   SOLE 0 614,586 0 0
Enbridge Inc COM 29250N105 49,372 1,084,869 SH   SOLE 1 1,084,869 0 0
Enduro Rty Tr TR UNIT 29269K100 36,379 2,903,345 SH   SOLE 1 2,903,345 0 0
Energy Transfer Equity L P COM UT LTD PTN 29273V100 89,603 1,916,650 SH   SOLE 0 1,916,650 0 0
Energy Transfer Equity L P COM UT LTD PTN 29273V100 86,916 1,859,172 SH   SOLE 1 1,859,172 0 0
Energy Transfer Prtnrs L P UNIT LTD PARTN 29273R109 121,197 2,253,148 SH   SOLE 0 2,253,148 0 0
Energy Transfer Prtnrs L P UNIT LTD PARTN 29273R109 465,708 8,657,883 SH   SOLE 1 8,657,883 0 0
Engility Hldgs Inc COM 29285W104 7,564 167,900 SH   SOLE 0 167,900 0 0
Enlink Midstream LLC COM UNIT REP LTD 29336T100 4,412 130,000 SH   SOLE 0 130,000 0 0
Enlink Midstream Partners LP COM UNIT REP LTD 29336U107 42,525 1,397,935 SH   SOLE 0 1,397,935 0 0
Enlink Midstream Partners LP COM UNIT REP LTD 29336U107 206,258 6,780,340 SH   SOLE 1 6,780,340 0 0
Ensco PLC SHS CLASS A G3157S106 12,931 245,000 SH   SOLE 1 245,000 0 0
Enterprise Prods Partners L COM 293792107 365,217 5,265,527 SH   SOLE 0 5,265,527 0 0
Enterprise Prods Partners L COM 293792107 705,122 10,166,114 SH   SOLE 1 10,166,114 0 0
Exterran Partners LP COM UNITS 30225N105 1,354 47,500 SH   SOLE 0 47,500 0 0
Exterran Partners LP COM UNITS 30225N105 95,030 3,334,396 SH   SOLE 1 3,334,396 0 0
Exterran Hldgs Inc COM 30225X103 2,668 60,800 SH   SOLE 0 60,800 0 0
Gaslog Ltd SHS NEW G37585109 699 30,000 SH   SOLE 0 30,000 0 0
Gencorp Inc COM 368682100 8,742 478,500 SH   SOLE 0 478,500 0 0
Global Partners LP COM UNITS 37946R109 35,970 983,865 SH   SOLE 0 983,865 0 0
Global Partners LP COM UNITS 37946R109 107,197 2,932,071 SH   SOLE 1 2,932,071 0 0
Golar Lng Ltd Bermuda SHS G9456A100 938 22,500 SH   SOLE 0 22,500 0 0
Golar Lng Ltd Bermuda SHS G9456A100 2,501 60,000 SH   SOLE 1 60,000 0 0
Golar Lng Partners LP COM UNIT LPI Y2745C102 44,724 1,495,786 SH   SOLE 0 1,495,786 0 0
Golar Lng Partners LP COM UNIT LPI Y2745C102 132,912 4,445,224 SH   SOLE 1 4,445,224 0 0
Goodrich Pete Corp COM NEW 382410405 4,066 257,000 SH   SOLE 0 257,000 0 0
Holly Energy Partners L P COM UT LTD PTN 435763107 5,837 175,984 SH   SOLE 0 175,984 0 0
Holly Energy Partners L P COM UT LTD PTN 435763107 11,880 358,154 SH   SOLE 1 358,154 0 0
HollyFrontier Corp COM 436106108 2,455 51,600 SH   SOLE 0 51,600 0 0
HollyFrontier Corp COM 436106108 11,000 231,200 SH   SOLE 1 231,200 0 0
Intel Corp COM 458140100 1,291 50,000 SH   SOLE 0 50,000 0 0
Journal Communications Inc CL A 481130102 2,204 248,800 SH   SOLE 0 248,800 0 0
Kinder Morgan Energy Partner UT LTD PARTNER 494550106 29,236 395,345 SH   SOLE 0 395,345 0 0
Kinder Morgan Energy Partner UT LTD PARTNER 494550106 213,631 2,888,854 SH   SOLE 1 2,888,854 0 0
Kinder Morgan Inc Del COM 49456B101 128,833 3,965,305 SH   SOLE 0 3,965,305 0 0
Kinder Morgan Inc Del COM 49456B101 174,715 5,377,514 SH   SOLE 1 5,377,514 0 0
Kinder Morgan Management LLC SHS 49455U100 185,513 2,588,429 SH   SOLE 0 2,588,429 0 0
Kinder Morgan Management LLC SHS 49455U100 619,392 8,642,275 SH   SOLE 1 8,642,275 0 0
Knot Offshore Partners LP COM UNITS Y48125101 9,636 336,929 SH   SOLE 0 336,929 0 0
Knot Offshore Partners LP COM UNITS Y48125101 47,454 1,659,216 SH   SOLE 1 1,659,216 0 0
LRR Energy LP COM 50214A104 13,102 763,076 SH   SOLE 1 763,076 0 0
Laredo Petroleum Inc COM 516806106 4,701 181,800 SH   SOLE 0 181,800 0 0
Legacy Reserves LP UNIT LP INT 524707304 18,657 751,075 SH   SOLE 1 751,075 0 0
Leucadia Natl Corp COM 527288104 1,400 50,000 SH   SOLE 0 50,000 0 0
Liberty Interactive Corp INT COM SER A 53071M104 1,175 40,700 SH   SOLE 0 40,700 0 0
Liberty Interactive Corp LBT VENT COM A 53071M880 4,105 31,500 SH   SOLE 0 31,500 0 0
Linnco LLC COMSHS LTD INT 535782106 1,082 40,000 SH   SOLE 0 40,000 0 0
Linnco LLC COMSHS LTD INT 535782106 5,085 188,000 SH   SOLE 1 188,000 0 0
Liberty Global PLC SHS CL A G5480U104 1,254 30,800 SH   SOLE 0 30,800 0 0
Macquarie Infrastr Co LLC MEMBERSHIP INT 55608B105 4,668 81,500 SH   SOLE 0 81,500 0 0
Magellan Midstream Prtnrs LP COM UNIT RP LP 559080106 140,873 2,019,975 SH   SOLE 0 2,019,975 0 0
Magellan Midstream Prtnrs LP COM UNIT RP LP 559080106 208,232 2,985,840 SH   SOLE 1 2,985,840 0 0
Magnum Hunter Res Corp Del COM 55973B102 1,785 210,000 SH   SOLE 0 210,000 0 0
Marathon Pete Corp COM 56585A102 2,132 24,500 SH   SOLE 0 24,500 0 0
Marathon Pete Corp COM 56585A102 14,840 170,500 SH   SOLE 1 170,500 0 0
Markwest Energy Partners L P UNIT LTD PARTN 570759100 257,059 3,935,381 SH   SOLE 0 3,935,381 0 0
Markwest Energy Partners L P UNIT LTD PARTN 570759100 637,763 9,763,670 SH   SOLE 1 9,763,670 0 0
Martin Midstream Prtnrs L P UNIT L P INT 573331105 17,145 398,263 SH   SOLE 0 398,263 0 0
Martin Midstream Prtnrs L P UNIT L P INT 573331105 2,949 68,500 SH   SOLE 1 68,500 0 0
Mid Con Energy Partners LP COM UNIT REPST 59560V109 65,817 3,042,865 SH   SOLE 1 3,042,865 0 0
MidCoast Energy Partners L P COM UT LTD PTN 59564N103 2,618 126,800 SH   SOLE 0 126,800 0 0
MidCoast Energy Partners L P COM UT LTD PTN 59564N103 18,131 878,016 SH   SOLE 1 878,016 0 0
Midstates Pete Co Inc COM 59804T100 1,502 280,200 SH   SOLE 0 280,200 0 0
NRG Yield Inc COM CL A 62942X108 15,878 401,659 SH   SOLE 0 401,659 0 0
NRG Yield Inc COM CL A 62942X108 6,110 154,577 SH   SOLE 1 154,577 0 0
National Fuel Gas Co N J COM 636180101 8,118 115,900 SH   SOLE 0 115,900 0 0
National Fuel Gas Co N J COM 636180101 24,948 356,200 SH   SOLE 1 356,200 0 0
Natural Resource Partners L COM UNIT L P 63900P103 1,318 82,800 SH   SOLE 0 82,800 0 0
Natural Resource Partners L COM UNIT L P 63900P103 6,331 397,683 SH   SOLE 1 397,683 0 0
Navios Maritime Partners L P UNIT LPI Y62267102 1,129 57,924 SH   SOLE 0 57,924 0 0
Navios Maritime Partners L P UNIT LPI Y62267102 23,506 1,206,036 SH   SOLE 1 1,206,036 0 0
New Media Invt Group Inc COM 64704V106 3,641 242,387 SH   SOLE 0 242,387 0 0
Newcastle Invt Corp COM 65105M108 5,410 1,151,057 SH   SOLE 0 1,151,057 0 0
News Corp New CL A 65249B109 4,489 260,700 SH   SOLE 0 260,700 0 0
Niska Gas Storage Partners L UNIT LTD LIABI 654678101 5,116 352,330 SH   SOLE 0 352,330 0 0
Niska Gas Storage Partners L UNIT LTD LIABI 654678101 29,719 2,046,797 SH   SOLE 1 2,046,797 0 0
NiSource Inc COM 65473P105 1,546 43,500 SH   SOLE 0 43,500 0 0
NiSource Inc COM 65473P105 24,438 687,800 SH   SOLE 1 687,800 0 0
Northern Tier Energy LP COM UN REPR PART 665826103 2,649 103,000 SH   SOLE 0 103,000 0 0
NuStar Energy LP UNIT COM 67058H102 33,519 609,982 SH   SOLE 0 609,982 0 0
NuStar Energy LP UNIT COM 67058H102 36,596 665,992 SH   SOLE 1 665,992 0 0
Nuveen Diver Currency Oppor COM 67090N109 790 75,264 SH   SOLE 0 75,264 0 0
Oneok Inc New COM 682680103 153,814 2,596,022 SH   SOLE 0 2,596,022 0 0
Oneok Inc New COM 682680103 239,842 4,047,972 SH   SOLE 1 4,047,972 0 0
Oneok Partners LP UNIT LTD PARTN 68268N103 109,339 2,041,818 SH   SOLE 0 2,041,818 0 0
Oneok Partners LP UNIT LTD PARTN 68268N103 310,547 5,799,205 SH   SOLE 1 5,799,205 0 0
Pacific Coast Oil Tr UNIT BEN INT 694103102 1,396 104,252 SH   SOLE 0 104,252 0 0
Pacific Coast Oil Tr UNIT BEN INT 694103102 30,657 2,289,537 SH   SOLE 1 2,289,537 0 0
Paragon Shipping Inc CL A NEW 69913R408 1,754 256,000 SH   SOLE 0 256,000 0 0
Peabody Energy Corp COM 704549104 6,989 427,700 SH   SOLE 1 427,700 0 0
Pembina Pipeline Corp COM 706327103 5,453 143,200 SH   SOLE 0 143,200 0 0
Pembina Pipeline Corp COM 706327103 19,924 523,207 SH   SOLE 1 523,207 0 0
Pengrowth Energy Corp COM 70706P104 912 150,000 SH   SOLE 0 150,000 0 0
Pengrowth Energy Corp COM 70706P104 29,462 4,845,679 SH   SOLE 1 4,845,679 0 0
Phillips 66 COM 718546104 17,107 222,000 SH   SOLE 0 222,000 0 0
Phillips 66 COM 718546104 14,349 186,200 SH   SOLE 1 186,200 0 0
Plains All Amern Pipeline L UNIT LTD PARTN 726503105 202,250 3,669,264 SH   SOLE 0 3,669,264 0 0
Plains All Amern Pipeline L UNIT LTD PARTN 726503105 479,841 8,705,388 SH   SOLE 1 8,705,388 0 0
Plains GP Hldgs L P SHS A REP LTPN 72651A108 66,951 2,392,800 SH   SOLE 0 2,392,800 0 0
Plains GP Hldgs L P SHS A REP LTPN 72651A108 16,805 600,600 SH   SOLE 1 600,600 0 0
QEP Midstream Partners LP COM UNIT RP LTD 74735R115 31,044 1,327,800 SH   SOLE 0 1,327,800 0 0
QEP Midstream Partners LP COM UNIT RP LTD 74735R115 20,993 897,900 SH   SOLE 1 897,900 0 0
QEP Res Inc COM 74733V100 3,297 112,000 SH   SOLE 0 112,000 0 0
Regency Energy Partners L P COM UNITS L P 75885Y107 119,182 4,378,458 SH   SOLE 0 4,378,458 0 0
Regency Energy Partners L P COM UNITS L P 75885Y107 522,927 19,211,132 SH   SOLE 1 19,211,132 0 0
Rice Energy Inc COM 762760106 2,639 100,000 SH   SOLE 0 100,000 0 0
RSP Permian Inc COM 74978Q105 1,797 62,200 SH   SOLE 0 62,200 0 0
Safe Bulkers Inc COM Y7388L103 1,947 204,500 SH   SOLE 0 204,500 0 0
Sandridge Mississippian Tr I SH BEN INT 80007V106 850 114,648 SH   SOLE 1 114,648 0 0
Sandridge Permian Tr COM UNIT BEN INT 80007A102 9,529 792,733 SH   SOLE 1 792,733 0 0
Scorpio Bulkers Inc SHS Y7546A106 2,073 205,000 SH   SOLE 0 205,000 0 0
Seadrill Limited SHS G7945E105 2,848 81,000 SH   SOLE 0 81,000 0 0
Seadrill Limited SHS G7945E105 22,000 625,700 SH   SOLE 1 625,700 0 0
Seadrill Partners LLC COMUNIT REP LB Y7545W109 23,105 770,151 SH   SOLE 0 770,151 0 0
Seadrill Partners LLC COMUNIT REP LB Y7545W109 34,233 1,141,100 SH   SOLE 1 1,141,100 0 0
Semgroup Corp CL A 81663A105 19,277 293,500 SH   SOLE 0 293,500 0 0
Southcross Energy Partners L COM UNIT LTDPT 84130C100 3,983 235,000 SH   SOLE 0 235,000 0 0
Southcross Energy Partners L COM UNIT LTDPT 84130C100 3,434 202,569 SH   SOLE 1 202,569 0 0
Southern Co COM 842587107 1,648 37,500 SH   SOLE 0 37,500 0 0
Southern Co COM 842587107 14,803 336,900 SH   SOLE 1 336,900 0 0
Spectra Energy Corp COM 847560109 29,811 807,000 SH   SOLE 0 807,000 0 0
Spectra Energy Corp COM 847560109 35,296 955,500 SH   SOLE 1 955,500 0 0
Sprague Res LP COM UNIT REP LTD 849343108 6,629 335,495 SH   SOLE 0 335,495 0 0
Sprague Res LP COM UNIT REP LTD 849343108 35,078 1,775,203 SH   SOLE 1 1,775,203 0 0
Summit Midstream Partners LP COM UNIT LTD 866142102 43,666 1,019,000 SH   SOLE 0 1,019,000 0 0
Summit Midstream Partners LP COM UNIT LTD 866142102 92,935 2,168,736 SH   SOLE 1 2,168,736 0 0
Suncoke Energy Partners L P COMUNIT REP LT 86722Y101 47,271 1,616,091 SH   SOLE 0 1,616,091 0 0
Suncoke Energy Partners L P COMUNIT REP LT 86722Y101 52,684 1,801,179 SH   SOLE 1 1,801,179 0 0
Sunoco Logistics Prtnrs L P COM UNITS 86764L108 32,740 360,251 SH   SOLE 0 360,251 0 0
Sunoco Logistics Prtnrs L P COM UNITS 86764L108 31,637 348,120 SH   SOLE 1 348,120 0 0
Tallgrass Energy Partners LP COM UNIT 874697105 22,582 620,211 SH   SOLE 0 620,211 0 0
Tallgrass Energy Partners LP COM UNIT 874697105 17,364 476,898 SH   SOLE 1 476,898 0 0
Targa Res Corp COM 87612G101 13,501 136,017 SH   SOLE 0 136,017 0 0
Targa Res Corp COM 87612G101 43,635 439,601 SH   SOLE 1 439,601 0 0
Targa Resources Partners LP COM UNIT 87611X105 59,595 1,059,286 SH   SOLE 0 1,059,286 0 0
Targa Resources Partners LP COM UNIT 87611X105 155,976 2,772,416 SH   SOLE 1 2,772,416 0 0
Teekay Corporation COM Y8564W103 1,406 25,000 SH   SOLE 0 25,000 0 0
Teekay Lng Partners L P PRTNRSP UNITS Y8564M105 17,255 417,497 SH   SOLE 1 417,497 0 0
Teekay Offshore Partners L P PARTNERSHIP UN Y8565J101 137,045 4,188,418 SH   SOLE 1 4,188,418 0 0
TransCanada Corp COM 89353D107 2,827 62,100 SH   SOLE 0 62,100 0 0
TransCanada Corp COM 89353D107 3,737 82,100 SH   SOLE 1 82,100 0 0
Transmontaigne Partners L P COM UNIT L P 89376V100 284 6,600 SH   SOLE 0 6,600 0 0
Transmontaigne Partners L P COM UNIT L P 89376V100 691 16,032 SH   SOLE 1 16,032 0 0
Transocean Ltd REG SHS H8817H100 1,137 27,500 SH   SOLE 0 27,500 0 0
Transocean Ltd REG SHS H8817H100 15,296 370,000 SH   SOLE 1 370,000 0 0
Tsakos Energy Navigation Ltd SHS G9108L108 970 125,000 SH   SOLE 0 125,000 0 0
Twenty First Centy Fox Inc CL B 90130A200 669 21,500 SH   SOLE 0 21,500 0 0
USA Compression Partners LP COMUNIT LTDPAR 90290N109 21,129 805,238 SH   SOLE 1 805,238 0 0
Visteon Corp COM NEW 92839U206 389 4,400 SH   SOLE 0 4,400 0 0
VOC Energy Tr TR UNIT 91829B103 17,993 1,235,774 SH   SOLE 1 1,235,774 0 0
Western Gas Equity Partners COMUNT LTD PT 95825R103 737 15,000 SH   SOLE 0 15,000 0 0
Western Gas Equity Partners COMUNT LTD PT 95825R103 1,788 36,400 SH   SOLE 1 36,400 0 0
Western Gas Partners LP COM UNIT LP IN 958254104 225,445 3,406,029 SH   SOLE 0 3,406,029 0 0
Western Gas Partners LP COM UNIT LP IN 958254104 203,305 3,071,530 SH   SOLE 1 3,071,530 0 0
Whiting USA TR II TR UNIT 966388100 1,270 97,937 SH   SOLE 0 97,937 0 0
Whiting USA TR II TR UNIT 966388100 7,498 578,120 SH   SOLE 1 578,120 0 0
Williams Clayton Energy Inc COM 969490101 6,555 58,000 SH   SOLE 0 58,000 0 0
Williams Cos Inc Del COM 969457100 142,454 3,510,452 SH   SOLE 0 3,510,452 0 0
Williams Cos Inc Del COM 969457100 206,152 5,080,137 SH   SOLE 1 5,080,137 0 0
Williams Partners L P COM UNIT L P 96950F104 201,837 3,962,240 SH   SOLE 0 3,962,240 0 0
Williams Partners L P COM UNIT L P 96950F104 674,265 13,236,447 SH   SOLE 1 13,236,447 0 0
World Pt Terms LP UNIT REP LTD PT 98159G107 11,638 560,856 SH   SOLE 0 560,856 0 0