AltMountain

New energy funds

147 U.S.-based energy funds made their first sale between Nov 2, 2025 and Nov 2, 2026. The 300 newest are shown.
Fund
First sale
Raised
Investors
Minimum
Offering
Institutional Drilling Fund III LP
Fort Worth, TXEmerging506(c)
First saleOct 2026
Raised$100K
Investors0
Minimum$100K
Offering506(c)
Texakoma Exploration & Production LLC
Plano, TXEmerging506(c)
First saleOct 2026
Raised$128K
Investors4
Minimum$21K
Offering506(c)
Webuild Ventures O&G IV, LP
Fort Worth, TXEmerging
First saleOct 2026
Raised$282K
Investors6
Minimum$25K
Offering506(b)
N Homestead Prospect Joint Venture
Prosper, TXEmerging
First saleOct 2026
Raised$84K
Investors2
Minimum$5K
Offering506(b)
USEDC 2026 Drilling Fund 2 LP
Fort Worth, TXEmerging506(c)
First saleOct 2026
Raised$50K
Investors0
Minimum$100K
Offering506(c)
Resurge TopCo LP
New York, NY
First saleOct 2026
Raised$2.5B
Investors125
Minimum$500
Offering506(b)
USEDC Opportunity Zone IV LP
Fort Worth, TXEmerging506(c)
First saleSep 2026
Raised$200K
Investors0
Minimum$100K
Offering506(c)
Gateway Royalty VII, LLC
Midland, TX
First saleSep 2026
Raised$131M
Investors171
Minimum$40K
Offering506(b)
Flowtex Lucky Strike Joint Venture
Austin, TXEmerging506(c)
First saleSep 2026
Raised$350K
Investors2
Minimum$175K
Offering506(c)
S.T.L. Resources Drilling Fund H, LP
Sewickley, PAEmerging
First saleSep 2026
Raised$117K
Investors2
Minimum$25K
Offering506(b)
TKE 1 Utica LLC
Fort Worth, TXEmerging
First saleSep 2026
Raised$460K
Investors18
Minimum$500
Offering506(b)
San Solomon Energy Partners, LP
Houston, TXEmerging
First saleSep 2026
Raised$2.1M
Investors15
Minimum$22K
Offering506(b)
Frio Non-Op Fund, LP
Houston, TXEmerging
First saleSep 2026
Raised$9.8M
Investors39
Minimum$8K
Offering506(b)
Stratum Energy Partners Fund I Series, a separate series of Stratum Energy Partners LLC
Oklahoma City, OKEmerging506(c)
First saleSep 2026
Raised$200K
Investors2
Minimum$100K
Offering506(c)
Cibolo Resources II, LLC
West Lake Hills, TX
First saleSep 2026
Raised$61.5M
Investors87
MinimumNone set
Offering506(b)
West Navidad 3-D Joint Venture
Shavano Park, TXEmerging
First saleSep 2026
Raised$1.3M
Investors5
Minimum$100K
Offering506(b)
U.S. Energy Private Capital III LP
Arlington, TXEmerging506(c)
First saleSep 2026
Raised$300K
Investors0
Minimum$100K
Offering506(c)
Webuild Ventures O&G III, LP
Fort Worth, TXEmerging506(c)
First saleSep 2026
Raised$600K
Investors15
MinimumNone set
Offering506(c)
Shirley Wells Venture 1, LP
Arlington, VAEmerging
First saleSep 2026
Raised$2.5M
Investors23
Minimum$50K
Offering506(b)
United Multi-Basin #8, LP
Southlake, TXEmerging
First saleSep 2026
Raised$2.8M
Investors49
Minimum$18K
Offering506(b)
MES Investors IV, LLC
Hartland, WIEmerging
First saleSep 2026
Raised$2.0M
Investors5
Minimum$50K
Offering506(b)
MES Investors III, LLC
Hartland, WIEmerging
First saleAug 2026
Raised$1.5M
Investors3
Minimum$250K
Offering506(b)
RGP Income Fund II-BPI, LLC
Dallas, TXEmerging506(c)
First saleAug 2026
Raised$500K
Investors7
Minimum$50K
Offering506(c)
Grooil LLC
Plano, TXEmerging
First saleAug 2026
Raised$112K
Investors2
Minimum$12K
Offering506(b)
Barrel Exploration, LLC
Denver, COEmerging
First saleAug 2026
Raised$1.5M
Investors13
MinimumNone set
Offering506(b)
Eckard Corporate Growth LLC
Allen, TXEmerging
First saleAug 2026
Raised$5.5M
Investors47
Minimum$25K
Offering506(b)
Morningstar Minerals - West III, LP
Dallas, TXEmerging
First saleAug 2026
Raised$8.8M
Investors41
Minimum$25K
Offering506(b)
CSR Nowi Fund 2, LP
Colorado Springs, COEmerging
First saleAug 2026
Raised$202K
Investors4
Minimum$50K
Offering506(b)
BG Oil Lender 1, LP
Allen, TXEmerging506(c)
First saleAug 2026
Raised$800K
Investors1
Minimum$800K
Offering506(c)
USEDC 2026 Drilling Fund 1 LP
Fort Worth, TXEmerging
First saleAug 2026
Raised$150K
Investors0
Minimum$100K
Offering506(b)
FFE InvestCo I LLC
Midland, TXEmerging
First saleAug 2026
Raised$4.0M
Investors19
Minimum$10K
Offering506(b)
United Multi-Basin #7, LP
Southlake, TXEmerging
First saleAug 2026
Raised$2.0M
Investors33
Minimum$25K
Offering506(b)
OWP Legacy Development, LP
Tampa, FLEmerging506(c)
First saleAug 2026
Raised$1.1M
Investors2
Minimum$50K
Offering506(c)
REI Energy Drilling & Income Fund XI, L.P.
Richardson, TXEmerging506(c)
First saleJul 2026
Raised$150K
Investors2
Minimum$25K
Offering506(c)
Canyon State Minerals LLC
Midland, TXEmerging506(c)
First saleJul 2026
Raised$10.6M
Investors16
Minimum$1K
Offering506(c)
Woodford Partnership 90, LP
Dallas, TXEmerging
First saleJul 2026
Raised$822K
Investors9
Minimum$28K
Offering506(b)
Pierian Energy LLC
Monroeville, PA
First saleJul 2026
Raised$117M
Investors12
MinimumNone set
Offering506(b)
Citizen Energy 2026 Drilling Fund, LP
Tulsa, OKEmerging506(c)
First saleJul 2026
Raised$591K
Investors3
Minimum$50K
Offering506(c)
Castle Rock Energy Fund V, LP
Dallas, TXEmerging
First saleJul 2026
Raised$1.2M
Investors1
Minimum$38K
Offering506(b)
United Uinta #2, LP
Southlake, TXEmerging
First saleJul 2026
Raised$3.0M
Investors49
Minimum$19K
Offering506(b)
VIO Energy LLC
Sheridan, WYEmerging
First saleJul 2026
Raised$200K
Investors1
Minimum$100K
Offering506(b)
Total Horizontal Partners 26-27
Tulsa, OKEmerging
First saleJun 2026
Raised$145K
Investors3
Minimum$10K
Offering506(b)
JPEC - NPE Haynesville I LLC
Tuscaloosa, ALEmerging
First saleJun 2026
Raised$250K
Investors2
MinimumNone set
Offering506(b)
STX Partners, LLC
Austin, TXEmerging
First saleJun 2026
Raised$6.0M
Investors4
Minimum$1
Offering506(b)
G2 TX-26 Energy Fund, LP
McKinney, TXEmerging506(c)
First saleJun 2026
Raised$1.4M
Investors6
Minimum$200K
Offering506(c)
USEDC Mineral Exchange I LLC
Arlington, TXEmerging
First saleJun 2026
Raised$181K
Investors0
Minimum$100K
Offering506(b)
Tejon HoldCo, LLC
Denver, CO
First saleJun 2026
Raised$295M
Investors7
MinimumNone set
Offering506(b)
Tejon Treating & Carbon Solutions LLC
Denver, CO
First saleJun 2026
Raised$295M
Investors1
MinimumNone set
Offering506(b)
Tejon Management, LLC
Denver, CO
First saleJun 2026
Raised$295M
Investors6
MinimumNone set
Offering506(b)
Mountain V 2026 Fund III, LP
Buckhannon, WVEmerging506(c)
First saleJun 2026
Raised$1.2M
Investors16
Minimum$25K
Offering506(c)
Webuild Ventures O&G II, LP
Fort Worth, TXEmerging506(c)
First saleJun 2026
Raised$515K
Investors14
MinimumNone set
Offering506(c)
Mewbourne Energy Partners 26-A, L.P.
Tyler, TXEmerging
First saleJun 2026
Raised$38.8M
Investors186
Minimum$20K
Offering506(b)
Wolf Fork Minerals, LLC
Midland, TXEmerging506(c)
First saleJun 2026
Raised$8.1M
Investors23
Minimum$1K
Offering506(c)
ATP 1056 Joint Venture
Austin, TXEmerging
First saleJun 2026
Raised$195K
Investors2
Minimum$35K
Offering506(b)
Castle Rock Energy Fund II, LP
Dallas, TXEmerging
First saleJun 2026
Raised$196K
Investors1
Minimum$28K
Offering506(b)
Pantheon Drilling Fund III, Limited Partnership
Sarasota, FLEmerging506(c)
First saleMay 2026
Raised$1.4M
Investors9
Minimum$100K
Offering506(c)
Energy Investment Fund - 2025-1, Limited Partnership
Tulsa, OKEmerging506(c)
First saleMay 2026
Raised$50K
Investors1
Minimum$50K
Offering506(c)
Schoonover Oil, LLC
Waxahachie, TXEmerging
First saleMay 2026
Raised$750K
Investors4
Minimum$50K
Offering506(b)
North Titus 1 Joint Venture
Shreveport, LAEmerging506(c)
First saleMay 2026
Raised$98K
Investors1
Minimum$49K
Offering506(c)
Eckard Gardendale LLC
Allen, TXEmerging
First saleMay 2026
Raised$3.5M
Investors43
Minimum$5K
Offering506(b)
Bidwell Capital Oil Fund VII LP
Sheridan, WYEmerging
First saleMay 2026
Raised$650K
Investors6
Minimum$100K
Offering506(b)
CSR Leasehold II, LP
Denver, COEmerging
First saleMay 2026
Raised$0
Investors2
Minimum$50K
Offering506(b)
CSR Leasehold III, LP
Denver, COEmerging
First saleMay 2026
Raised$0
Investors2
Minimum$50K
Offering506(b)
Castle Rock Energy Fund I, LP
Dallas, TXEmerging
First saleMay 2026
Raised$100K
Investors1
Minimum$11K
Offering506(b)
Carter Boyd Exploration Co LLC
Omaha, NEEmerging506(c)
First saleMay 2026
Raised$500K
Investors2
Minimum$50K
Offering506(c)
Hevi LLC
Houston, TXEmerging
First saleMay 2026
Raised$9.7M
Investors13
Minimum$100K
Offering506(b)
Flowtex Apex Joint Venture
Austin, TXEmerging506(c)
First saleMay 2026
Raised$150K
Investors1
Minimum$75K
Offering506(c)
Galvanic Fund II, LLLP
Oklahoma City, OKEmerging
First saleApr 2026
Raised$10.2M
Investors31
Minimum$100K
Offering506(b)
NRGx, LLC
Broken Arrow, OKEmerging506(c)
First saleApr 2026
Raised$1.2M
Investors16
Minimum$40K
Offering506(c)
Encore Berea H1A Off-Set II
Bowling Green, KYEmerging506(c)
First saleApr 2026
Raised$125K
Investors1
Minimum$25K
Offering506(c)
CV Access Permian IV, LP
Houston, TXEmerging
First saleApr 2026
Raised$8.0M
Investors8
Minimum$200K
Offering506(b)
GMT Exploration Co LLC
Denver, CO
First saleApr 2026
Raised$114M
Investors36
Minimum$510
Offering506(b)
Eckard Prospector, LLC
Allen, TXEmerging
First saleApr 2026
Raised$13.0M
Investors144
Minimum$5K
Offering506(b)
Eckard Prospector Blocker, LLC
Allen, TXEmerging
First saleApr 2026
Raised$4.4M
Investors58
Minimum$5K
Offering506(b)
Tierra Energy Ventures Argentina LLC
Austin, TX506(c)
First saleApr 2026
Raised$60.7M
Investors37
MinimumNone set
Offering506(c)
Landbank III, LP
Dallas, TXEmerging
First saleApr 2026
Raised$200K
Investors2
Minimum$100K
Offering506(b)
W. Paulding Field Development Joint Venture
Shavano Park, TXEmerging
First saleApr 2026
Raised$3.4M
Investors20
MinimumNone set
Offering506(b)
Texakoma Resources, LLC
Plano, TXEmerging506(c)
First saleApr 2026
Raised$25K
Investors1
Minimum$50K
Offering506(c)
MDS 2026-Shale Development, LP
Pittsburgh, PA506(c)
First saleApr 2026
Raised$120M
Investors890
Minimum$50K
Offering506(c)
AK Resources LLC
New York, NYEmerging
First saleApr 2026
Raised$5.0M
Investors8
Minimum$3K
Offering506(b)
WeBuild Ventures O&G, LP
Godley, TXEmerging506(c)
First saleApr 2026
Raised$480K
Investors12
Minimum$10K
Offering506(c)
Vanna Production III, LP
Spring, TXEmerging
First saleApr 2026
Raised$8.0M
Investors4
Minimum$500K
Offering506(b)
Jones GY Joint Venture
Dallas, TXEmerging
First saleApr 2026
Raised$28K
Investors1
MinimumNone set
Offering506(b)
Loblolly Midstream Holdings LLC
Plano, TXEmerging
First saleMar 2026
Raised$35.0M
Investors13
MinimumNone set
Offering506(b)
Inwood Minerals LLC
Midland, TXEmerging506(c)
First saleMar 2026
Raised$7.8M
Investors19
MinimumNone set
Offering506(c)
Flatland Mineral Fund IV, LP
Dallas, TXEmerging
First saleMar 2026
Raised$37.6M
Investors109
Minimum$25K
Offering506(b)
TWE 2026 Energy Fund Limited Partnership
Casper, WYEmerging506(c)
First saleMar 2026
Raised$973K
Investors18
Minimum$100K
Offering506(c)
United Multi-Basin #6, LP
Southlake, TXEmerging
First saleMar 2026
Raised$3.4M
Investors43
Minimum$21K
Offering506(b)
Aquaerial II LLC
Houston, TXEmerging
First saleMar 2026
Raised$1.0M
Investors17
Minimum$50K
Offering506(b)
Trilateral Horizontal Program, LP
Dallas, TXEmerging506(c)
First saleMar 2026
Raised$70K
Investors1
Minimum$70K
Offering506(c)
Select Swan Holdings LLC
Boca Raton, FLEmerging
First saleMar 2026
Raised$9.8M
Investors31
Minimum$7K
Offering506(b)
Redemption Ranch Oil & Gas LLC
Germantown, TNEmerging
First saleMar 2026
Raised$750K
Investors20
MinimumNone set
Offering506(b)
Eagle Eye Fund 2, LP
Fort Worth, TXEmerging506(c)
First saleMar 2026
Raised$1.4M
Investors3
MinimumNone set
Offering506(c)
Aquaerial LLC
Houston, TXEmerging
First saleMar 2026
Raised$595K
Investors12
Minimum$50K
Offering506(b)
2026 Southwest Hillje Drilling Program, L.P.
Bowling Green, KYEmerging506(c)
First saleMar 2026
Raised$200K
Investors3
Minimum$5K
Offering506(c)
Crown Arkoma #3 Joint Venture
Carrollton, TXEmerging506(c)
First saleMar 2026
Raised$460K
Investors11
Minimum$20K
Offering506(c)
Southeast Pass 3-D Joint Venture
Shavano Park, TXEmerging
First saleMar 2026
Raised$3.9M
Investors17
MinimumNone set
Offering506(b)
Roaring Fork Midstream II, LP
Dallas, TX
First saleFeb 2026
Raised$65.8M
Investors73
Minimum$250K
Offering506(b)
Coronado Resources 2015 LP
Dallas, TXEmerging
First saleFeb 2026
Raised$12.9M
Investors29
Minimum$300K
Offering506(b)
Nexus Bear Lake, LP
Newport Beach, CAEmerging506(c)
First saleFeb 2026
Raised$200K
Investors2
Minimum$25K
Offering506(c)
Texas Oil Partners LLC Sealy 1 LP
Dallas, TXEmerging
First saleFeb 2026
Raised$250K
Investors3
Minimum$17K
Offering506(b)
Rivery Energy Fund II, L.P.
Plano, TXEmerging506(c)
First saleFeb 2026
Raised$175K
Investors2
Minimum$62K
Offering506(c)
BlackGold Wealth Fund 26, LP
Spearfish, SDEmerging506(c)
First saleJan 2026
Raised$12.6M
Investors91
Minimum$100K
Offering506(c)
Rivery Legacy Fund, L.P.
Plano, TXEmerging506(c)
First saleJan 2026
Raised$2.8M
Investors4
Minimum$250K
Offering506(c)
REI Energy Drilling & Income Fund X, L.P.
Richardson, TXEmerging506(c)
First saleJan 2026
Raised$310K
Investors5
Minimum$25K
Offering506(c)
Flowtex Trident #3 Joint Venture
Austin, TXEmerging506(c)
First saleJan 2026
Raised$900K
Investors9
Minimum$75K
Offering506(c)
Pierview Capital Opportunity Fund I, LLC
Houston, TXEmerging
First saleJan 2026
Raised$15.5M
Investors7
Minimum$500K
Offering506(b)
Sabine Valley Resource Development Joint Venture - First Amended
Shavano Park, TXEmerging
First saleJan 2026
Raised$5.4M
Investors18
MinimumNone set
Offering506(b)
Hall-Ward Energy Fund II, LP
Oklahoma City, OK
First saleJan 2026
Raised$50.1M
Investors26
Minimum$250K
Offering506(b)
USEDC 2025 Drilling Fund 2 LP
Arlington, TXEmerging506(c)
First saleJan 2026
Raised$200K
Investors0
Minimum$100K
Offering506(c)
Hanover Rigs Company, LLC
Oklahoma City, OKEmerging506(c)
First saleJan 2026
Raised$1.4M
Investors8
Minimum$25K
Offering506(c)
Institutional Drilling Fund II LP
Arlington, TXEmerging506(c)
First saleDec 2025
Raised$310K
Investors0
Minimum$100K
Offering506(c)
Trenton - Black River VI-A, LP
Knoxville, TNEmerging
First saleDec 2025
Raised$1.1M
Investors26
Minimum$7K
Offering506(b)
DW Oklahoma 49 LP
Irving, TXEmerging
First saleDec 2025
Raised$1.2M
Investors14
Minimum$25K
Offering506(b)
2025 Lorenzen 2 Drilling Program L.P.
Bowling Green, KYEmerging506(c)
First saleDec 2025
Raised$0
Investors0
Minimum$5K
Offering506(c)
United PRB #7, LP
Southlake, TXEmerging
First saleDec 2025
Raised$2.1M
Investors46
Minimum$26K
Offering506(b)
B2U Infrastructure Partners I, LLC
Los Angeles, CAEmerging
First saleDec 2025
Raised$14.8M
Investors5
Minimum$100K
Offering506(b)
TWE 2025 Energy Fund Limited Partnership
Casper, WYEmerging506(c)
First saleDec 2025
Raised$790K
Investors10
Minimum$25K
Offering506(c)
TSO PDP #1 Joint Venture
Fort Worth, TXEmerging506(c)
First saleDec 2025
Raised$947K
Investors12
MinimumNone set
Offering506(c)
Eiger Holdings III, LLC
Dallas, TX
First saleDec 2025
Raised$102M
Investors109
Minimum$75K
Offering506(b)
Eckard Blacktail, LLC
Allen, TXEmerging
First saleDec 2025
Raised$9.7M
Investors120
Minimum$25K
Offering506(b)
TSO Red Bluff 31 Well Joint Venture
Fort Worth, TXEmerging506(c)
First saleDec 2025
Raised$211K
Investors6
MinimumNone set
Offering506(c)
United PRB #6, LP
Southlkae, TXEmerging
First saleDec 2025
Raised$800K
Investors13
Minimum$20K
Offering506(b)
Revo O&G Working Interest Fund 2025, LP
Roanoke, TXEmerging506(c)
First saleDec 2025
Raised$1.5M
Investors16
Minimum$50K
Offering506(c)
Pistol Ridge Secured Twelve Percent Convertible Promissory Note Joint Venture
Dallas, TXEmerging506(c)
First saleDec 2025
Raised$0
Investors0
Minimum$50K
Offering506(c)
USEDC Opportunity Zone III LP
Arlington, TXEmerging506(c)
First saleDec 2025
Raised$345K
Investors0
Minimum$100K
Offering506(c)
Cane River 2 LP
Shreveport, LAEmerging
First saleDec 2025
Raised$4.3M
Investors15
Minimum$10K
Offering506(b)
PRP Bakken I-H LP
Sidney, MTEmerging
First saleNov 2025
Raised$2.1M
Investors19
MinimumNone set
Offering506(b)
Red Stag Fund 1, LP
Nacogdoches, TXEmerging506(c)
First saleNov 2025
Raised$800K
Investors8
Minimum$50K
Offering506(c)
Pantheon Drilling Fund II, Limited Partnership
Sarasota, FLEmerging506(c)
First saleNov 2025
Raised$1.6M
Investors14
Minimum$100K
Offering506(c)
Citizen Energy 2025 Drilling Fund, LP
Tulsa, OKEmerging506(c)
First saleNov 2025
Raised$500K
Investors1
Minimum$50K
Offering506(c)
Ashburn Creek Fault LP
Knoxville, TNEmerging
First saleNov 2025
Raised$665K
Investors32
Minimum$7K
Offering506(b)
Rise Equipment Partners, LLC
Tomball, TXEmerging506(c)
First saleNov 2025
Raised$2.0M
Investors34
Minimum$25K
Offering506(c)
F5 Towering Minerals, L.P.
Austin, TXEmerging506(c)
First saleNov 2025
Raised$5.2M
Investors12
Minimum$200K
Offering506(c)
Chuck Chevalier LP
Greenville, TXEmerging
First saleNov 2025
Raised$2.0M
Investors28
Minimum$50K
Offering506(b)
USEDC 2025 Drilling Fund 1 LP
Arlington, TXEmerging
First saleNov 2025
Raised$50K
Investors0
Minimum$100K
Offering506(b)
Pumps & Pumps Oil Fund, Limited Partnership
Scottsdale, AZEmerging506(c)
First saleNov 2025
Raised$760K
Investors7
Minimum$50K
Offering506(c)
T5 Smackover Production, LLC
Plano, TXEmerging506(c)
First saleNov 2025
Raised$2.5M
Investors1
Minimum$2.0M
Offering506(c)
GrowAbility Equity Oil & Gas Fund 2, Limited Partnership
Ft. Lauderdale, FLEmerging506(c)
First saleNov 2025
Raised$700K
Investors8
Minimum$25K
Offering506(c)
PRP Bakken II LP
Sidney, MTEmerging506(c)
First saleNov 2025
Raised$2.6M
Investors15
MinimumNone set
Offering506(c)
North Romulus Development, LP
Richardson, TXEmerging506(c)
First saleNov 2025
Raised$120K
Investors1
MinimumNone set
Offering506(c)
Teague 3 Joint Venture
Shreveport, LAEmerging506(c)
First saleNov 2025
Raised$125K
Investors1
Minimum$62K
Offering506(c)
BW BuildEnergy II, Limited Partnership
Clayton, MOEmerging506(c)
First saleNov 2025
Raised$500K
Investors6
Minimum$50K
Offering506(c)
Live Oak Deep 3-D Joint Venture
Shavano Park, TXEmerging
First saleNov 2025
Raised$6.8M
Investors24
Minimum$148K
Offering506(b)
Sideoats Energy II, LP
Fort Worth, TXEmerging
First saleNov 2025
Raised$1.8M
Investors14
Minimum$25K
Offering506(b)
RS Non Op Fund I, LP
Midland, TXEmerging
First saleNov 2025
Raised$33.0M
Investors99
Minimum$25K
Offering506(b)
Iron Horse Energy Fund 1, Limited Partnership
Southlake, TXEmerging506(c)
First saleNov 2025
Raised$6.2M
Investors1
Minimum$1.0M
Offering506(c)

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