| JAVELIN ENERGY MGMT | HOUSTON, TX | INDIVIDUAL | 1,353 | $1.1B |
| INEOS USA OIL AND GAS | — | INDIVIDUAL | 426 | $837.6M |
| GRIT OIL AND GAS MANAGEMENT | HOUSTON, TX | INDIVIDUAL | 36 | $527.5M |
| SILVERBOW RESOURCES OPER | HOUSTON, TX | INDIVIDUAL | 237 | $361.3M |
| ROSEWOOD RESOURCES | DALLAS, TX | INDIVIDUAL | 39 | $228.7M |
| MURPHY EXPLORATION AND PROD | — | INDIVIDUAL | 91 | $198.7M |
| VERDUN OIL AND GAS | — | INDIVIDUAL | 118 | $153.7M |
| TBM CATARINA | FORT WORTH, TX | INDIVIDUAL | 210 | $135.3M |
| RANCHO LA COCHINA MINERALS | CARRIZO SPRINGS, TX | INDIVIDUAL | 900 | $130.2M |
| MIRAMAR HOLDINGS | DALLAS, TX | INDIVIDUAL | 900 | $130.2M |
| WESLEY WEST MINERALS | DALLAS, TX | INDIVIDUAL | 207 | $116.8M |
| TRINITY OPERATING USG | — | INDIVIDUAL | 98 | $99.1M |
| FITZSIMONS OIL AND GAS MGMT | SAN ANTONIO, TX | INDIVIDUAL | 105 | $97.0M |
| LEWIS PETRO PROPERTIES | SAN ANTONIO, TX | INDIVIDUAL | 97 | $61.1M |
| EP ENERGY E AND P | ROCKWALL, TX | INDIVIDUAL | 37 | $51.3M |
| JRED RANCH | CARRIZO SPRINGS, TX | INDIVIDUAL | 16 | $48.9M |
| CATHEXIS ROYALTIES AND MINERALS | HOUSTON, TX | INDIVIDUAL | 210 | $38.5M |
| DJH MINERALS | HOUSTON, TX | INDIVIDUAL | 210 | $38.5M |
| JLB 2018 | CARRIZO SPRINGS, TX | INDIVIDUAL | 901 | $38.2M |
| DB IV 2018 | SAN ANTONIO, TX | INDIVIDUAL | 900 | $38.2M |
| ROSETTA RESOURCES OPERATING | SAN ANTONIO, TX | INDIVIDUAL | 63 | $31.8M |
| KATE MARMION CHARITABLE FNDN | SAN ANTONIO, TX | INDIVIDUAL | 900 | $31.7M |
| EL PESCADO MINERALS | CARRIZO SPRINGS, TX | INDIVIDUAL | 135 | $30.8M |
| CML EXPLORATION | SNYDER, TX | INDIVIDUAL | 70 | $30.8M |
| MOODY FOUNDATION | ARLINGTON, TX | INDIVIDUAL | 69 | $29.6M |
| TRES RAMAS | SAN ANTONIO, TX | INDIVIDUAL | 11 | $29.1M |
| MOODY NATL BANK GALVESTON TRST | GALVESTON, TX | INDIVIDUAL | 41 | $27.0M |
| BRASK DIAMOND H RANCHES | HOUSTON, TX | INDIVIDUAL | 48 | $26.5M |
| RITCHIE FARMS | AUSTIN, TX | INDIVIDUAL | 37 | $26.4M |
| WEST JAMES WENDELL | HOUSTON, TX | INDIVIDUAL | 84 | $26.0M |
| BAYTEX ENERGY USA | HOUSTON, TX | INDIVIDUAL | 14 | $24.7M |
| EL TORO RESOURCES | OKLAHOMA CITY, OK | INDIVIDUAL | 36 | $23.3M |
| GATES MINERAL | SAN ANTONIO, TX | INDIVIDUAL | 70 | $23.3M |
| ATLAS OPERATING | HOUSTON, TX | INDIVIDUAL | 24 | $21.1M |
| WOMACK MINERAL HOLDINGS | SAN ANTONIO, TX | INDIVIDUAL | 108 | $21.0M |
| BOWMAN BARBARA | — | INDIVIDUAL | 172 | $18.3M |
| JACKPOT MINERALS | — | INDIVIDUAL | 140 | $17.9M |
| MMB MINERALS | — | INDIVIDUAL | 140 | $17.9M |
| MUD MONEY | — | INDIVIDUAL | 140 | $17.7M |
| LASSETER AND EPPRIGHT LAND AND CATTLE | AUSTIN, TX | INDIVIDUAL | 21 | $17.2M |
| B AND J MINERALS | SAN ANTONIO, TX | INDIVIDUAL | 139 | $16.8M |
| MORO CREEK MINERALS | SAN ANTONIO, TX | INDIVIDUAL | 48 | $16.5M |
| CYTEX SOUTH TEXAS OPERATING | DALLAS, TX | INDIVIDUAL | 6 | $16.5M |
| EXEMPT STATE OF TEXAS | — | GOVERNMENT | 182 | $15.7M |
| STRAND ENERGY L C | — | INDIVIDUAL | 2 | $15.0M |
| HAMILTON CLAY | FORESTBURG, TX | INDIVIDUAL | 7 | $14.6M |
| HOWARD PAMELA F 1957 | SAN ANTONIO, TX | INDIVIDUAL | 103 | $14.5M |
| CMWW | CARRIZO SPRINGS, TX | INDIVIDUAL | 116 | $14.2M |
| FITZSIMONS JOSEPH B C | SAN ANTONIO, TX | INDIVIDUAL | 105 | $13.9M |
| JOHNSON M G AND LILLIE A FDN | — | INDIVIDUAL | 101 | $12.8M |
| ITZ JAMES HARRISON | FREDERICKSBURG, TX | INDIVIDUAL | 154 | $12.5M |
| GULFTEX ENERGY | SAN ANTONIO, TX | INDIVIDUAL | 1 | $11.8M |
| STANIFER CREEK MINERALS | DALLAS, TX | INDIVIDUAL | 108 | $11.3M |
| ITZ DILLON AND WILLIAMS | HOUSTON, TX | INDIVIDUAL | 134 | $11.3M |
| EBS MINERAL HOLDINGS | SAN ANTONIO, TX | INDIVIDUAL | 91 | $10.0M |
| STUMBERG DIANA M | SAN ANTONIO, TX | INDIVIDUAL | 91 | $10.0M |
| APARICION MINERALS | SAN ANTONIO, TX | INDIVIDUAL | 91 | $10.0M |
| JAMES MCMAHON | SAN ANTONIO, TX | INDIVIDUAL | 112 | $9.9M |
| NEEDMORE MINERALS | MCALLEN, TX | INDIVIDUAL | 58 | $9.4M |
| BRIGGS MINERALS | VICTORIA, TX | INDIVIDUAL | 15 | $9.1M |
| CHESAPEAKE EXPL CELP | OKLAHOMA CITY, OK | ENTITY | 39 | $8.9M |
| FITZSIMONS HUGH A JR | SAN ANTONIO, TX | INDIVIDUAL | 105 | $8.9M |
| HOUSTON ENDOWMENT | HOUSTON, TX | INDIVIDUAL | 42 | $8.9M |
| HULSMAN MARY LOIS FRIDAY | ALBUQUERQUE, NM | INDIVIDUAL | 41 | $8.5M |
| FREEDOM ENERGY | HORSESHOE BAY, TX | INDIVIDUAL | 46 | $8.3M |
| ENDEAVOR NATURAL GAS | — | INDIVIDUAL | 2 | $8.2M |
| DUNK COURTENAY BEINHORN | CHAPEL HILL, NC | INDIVIDUAL | 80 | $8.1M |
| BEINHORN WILL ALSTON | SAN ANTONIO, TX | INDIVIDUAL | 79 | $8.1M |
| COTULLA CHILD MINERALS | SAN ANTONIO, TX | INDIVIDUAL | 59 | $8.0M |
| ARNESON FAMILY | SAN ANTONIO, TX | INDIVIDUAL | 14 | $7.9M |
| BRIDGE VENTURES | WIMBERLEY, TX | INDIVIDUAL | 14 | $7.9M |
| BSA SETTLEMENT | SAN ANTONIO, TX | INDIVIDUAL | 68 | $7.9M |
| EPISCOPAL FOUNDATION OF TEXAS | — | INDIVIDUAL | 68 | $7.9M |
| BLUESTEM MINERALS | SAN ANTONIO, TX | INDIVIDUAL | 11 | $7.9M |
| MCFADIN DIMMIT MINERALS | UVALDE, TX | INDIVIDUAL | 47 | $7.8M |
| PETERS JEREMY B | COTULLA, TX | INDIVIDUAL | 118 | $7.8M |
| VESPER KELLY | WIMBERLEY, TX | INDIVIDUAL | 18 | $7.5M |
| MAGNOLIA OIL AND GAS OPERATING | — | INDIVIDUAL | 7 | $7.5M |
| CHASE OIL | ARTESIA, NM | INDIVIDUAL | 17 | $7.5M |
| AWC 2018 | DALLAS, TX | INDIVIDUAL | 901 | $7.4M |
| BCA 2018 | DALLAS, TX | INDIVIDUAL | 901 | $7.4M |
| BHC II 2018 | DALLAS, TX | INDIVIDUAL | 901 | $7.4M |
| ROGERS ELIZABETH P MINERAL 2016 | SAN ANTONIO, TX | INDIVIDUAL | 122 | $7.2M |
| EXCO OPERATING | DALLAS, TX | INDIVIDUAL | 33 | $6.6M |
| BEALL RANCH PROPERTIES | FREDERICKSBURG, TX | INDIVIDUAL | 6 | $6.6M |
| MCMAHON MARGARET B MARITAL B | — | INDIVIDUAL | 55 | $6.5M |
| GLOBAL OIL AND GAS FIELDS | — | INDIVIDUAL | 75 | $6.4M |
| OLYMPIA ROYALTY | DALLAS, TX | INDIVIDUAL | 127 | $5.8M |
| KONE CHARLES H QTIP MARITAL | SAN ANTONIO, TX | INDIVIDUAL | 37 | $5.6M |
| ROGERS DENTONIO RANCH | SAN ANTONIO, TX | INDIVIDUAL | 111 | $5.3M |
| TRES RAMAS AUSTIN CHALK | SAN ANTONIO, TX | INDIVIDUAL | 3 | $5.1M |
| MAUND FAMILY | AUSTIN, TX | INDIVIDUAL | 43 | $5.1M |
| MOODY LIBBIE SHEARN | — | INDIVIDUAL | 60 | $5.0M |
| LATHAM AND MCKNIGHT | HOUSTON, TX | INDIVIDUAL | 6 | $5.0M |
| MLFH MINERALS | ALBUQUERQUE, NM | INDIVIDUAL | 25 | $5.0M |
| CATARINA RANCH | DALLAS, TX | INDIVIDUAL | 4 | $4.9M |
| FITZSIMONS HUGH ASA IV 1957 | DALLAS, TX | INDIVIDUAL | 105 | $4.9M |
| FITZSIMONS PATRICK CARRIGAN 1957 | SAN ANTONIO, TX | INDIVIDUAL | 105 | $4.9M |
| CLARK EVELYN FITZSIMONS 1957 | SAN ANTONIO, TX | INDIVIDUAL | 105 | $4.9M |
| MRB 89 DIMMIT ROYALTIES | SAN ANTONIO, TX | INDIVIDUAL | 122 | $4.8M |
