Firms, funds, partners, companies and rounds from sworn filings, firm sites and announcements, kept as a graph with a date and a source on every edge. Facts, inferences and estimates are labelled as such. A fund target is never a close, GAV is never dry powder, and a round size is never an investor’s check.

Firms / Carnelian Energy Capital Management, LP

Carnelian Energy Capital Management, LP

Institutional venture firmHouston, TXcarnelianenergy.comSEC venture capital fund adviser

Focused investing in the North American upstream, midstream and oilfield services sectors.

venture manager, reported GAV $1,900M across 7 vehicles

Importance
42
elevated
Active deployment
29
moderate
Emerging
0
low
Completeness
75
high
Freshness
100
high
Research priority
12
low
Identity and regulatory footprint
Headquarters
Houston, TXadviserinfo.sec.gov
Office address
2229 SAN FELIPE STREET, SUITE 1450, Houston, TX, 77019adviserinfo.sec.gov
Business phone
713-322-7310adviserinfo.sec.gov
SEC adviser type
exempt reporting adviseradviserinfo.sec.gov
SEC exemption claimed
venture capital fund adviseradviserinfo.sec.govItem 2.B(1): advises solely venture capital funds
Latest Form ADV
Mar 31, 2026
Private funds reported
7 (7 venture capital funds)adviserinfo.sec.gov
Private fund gross assets
$2.2Badviserinfo.sec.govreported GAV of the funds, the adviser's own number; not fund size, not dry powder
Owners on Schedule A
Carnelian Partner Feeder, L.P. (Limited Partner), E; Carnelian Manager Holdings, L.P. (Limited Partner), E; Carnelian Energy Capital Management Holdings, L.P. (Limited Partner), E; Carnelian Energy Capital Holdings, LLC (General Partner), F
business phone
713-322-7310adviserinfo.sec.govpublished by the subject
Stated thesis versus observed behaviour
1 observed deals
Stated (the firm’s website)
Sectors
energy
Stages
not stated or not yet read
Geography
not stated
Check size
not stated; DFX does not estimate checks from round sizes
Observed (from deals on record)
Stage at participation: no observed deals yet
Stage at first entry: no observed deals yet
Sectors
unknown 100%
lead rate n/afollow-on rate n/anew logos, 12 months 1
Funds and vehicles
7 reported
VehicleTypeVintageLifecycleReported GAVOwnersForm D soldLatest Form D
Carnelian Ridgemar Co-Invest, L.P.SPV or co-invest vehicle2024 adv first reportedEarly deployment$160M
Mar 28, 2024
12$0Jun 20, 2023
Carnelian Energy Capital IV, LPFund2022 adv first reportedActive deployment$533M
Mar 28, 2024
59$0
of $750M
Nov 9, 2021
Carnelian Energy Capital III, L.P.Fund2019 form d first saleMature$893M
Mar 28, 2024
55$775M
of $775M
Jul 2, 2019
Carnelian Energy Capital II, L.P.Fund2017 form d first saleHarvest$304M
Mar 28, 2024
66$600M
of $600M
Jun 13, 2017
Carnelian Energy Capital, L.P.FundunknownUnknown$9.3M
Mar 28, 2024
45$0
of $400M
Sep 14, 2015
Carnelian Energy Capital V, L.P.FundunknownUnknownunknownunknown$0
of $975M
Jan 30, 2024
Carnelian Acquisition & Development, L.P.FundunknownFundraisingunknownunknown$0Oct 7, 2025
GAV is the gross asset value the adviser reported on Form ADV for the vehicle, never the fund’s committed size and never dry powder. Form D sold is the amount sold as of the latest filing, never a final close.
Investment team
22 current, 0 departed
Jeffrey Gilbert
Chief Operating Officer and Chief Legal Officer
Platform and operations
Investments on record
1 edges, 1 companies, 0 partner-attributed
CompanyRoundRolePartnerRound sizeThis investorDateSource
Investor Portalportfolio listingunknownunknownunknownunknownSep 12, 2026Fact Venture organization websites (about, team, portfolio, thesis, news pages)
“This investor” is the amount disclosed for this investor alone; it is unknown unless a source said it. The round size is the whole round.
Co-investors
27 relationships from shared deals, counted for the whole firm
Limited partners
2 disclosed
Timeline
7 dated events
  1. Mar 28, 2024
    Carnelian Ridgemar Co-Invest, L.P. first reported on Form ADV by Carnelian Energy Capital Management, LP (Venture Capital Fund), GAV $160,340,099
  2. Mar 31, 2022
    Carnelian Energy Capital IV, LP first reported on Form ADV by Carnelian Energy Capital Management, LP (Venture Capital Fund), GAV $561,075,000
  3. Mar 30, 2020
    Carnelian Energy Capital III, L.P. first reported on Form ADV by Carnelian Energy Capital Management, LP (Venture Capital Fund), GAV $768,708,937
  4. Aug 11, 2017
    Carnelian Energy Capital II, L.P. first reported on Form ADV by Carnelian Energy Capital Management, LP (Venture Capital Fund), GAV $600,000,000
  5. Nov 25, 2015
    Carnelian Energy Capital, L.P. first reported on Form ADV by Carnelian Energy Capital Management, LP (Venture Capital Fund), GAV $368,041,200
  6. Nov 25, 2015
    Carnelian Energy Capital Management, LP first filed Form ADV (ERA, venture capital fund adviser exemption)
  7. Sep 1, 2015
    Jeffrey Harris Gilbert joined Schedule A of Carnelian Energy Capital Management, LP as Cco/Coo
Classification history
  1. Sep 12, 2026
    Institutional venture firm (confirmed, 95%, cls-1)
    venture manager, reported GAV $1,900M across 7 vehicles
  2. Sep 12, 2026
    Institutional venture firm (confirmed, 95%, cls-1)
    venture manager, reported GAV $1,900M across 5 vehicles
Evidence
55 observations from 4 sources
Every observation behind this profile, with its source, date and class
FactValueEffectiveClassSource
Why admittedvc_exemption,vc_funds_reportedMar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
SEC exemption claimedventure_capital_fund_adviserMar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
SEC exemption claimedventure_capital_fund_adviserMar 28, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
SEC adviser typeexempt_reporting_adviserMar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
SEC adviser typeexempt_reporting_adviserMar 28, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
First Form ADV filing2015-11-25Mar 28, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Adv history loadedadv-hist-1Sep 12, 2026FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Latest Form ADV filing2026-03-31Mar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Latest Form ADV filing2024-03-28Mar 28, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
SEC statusERA - ActiveMar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
SEC status effective2015-11-25Mar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Venture share of reported funds1Mar 28, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Business phone713-322-7310Mar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Business phone713-322-7310Mar 28, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Contact page urlhttps://carnelianenergy.com/contact-us/
contact page linked from the home page
Sep 16, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
DescriptionFocused investing in the North American upstream, midstream and oilfield services sectors.
meta description
Sep 16, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
DescriptionFocused investing in the North American upstream, midstream and oilfield services sectors.
meta description
Sep 12, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
HeadquartersHouston, TXMar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
HeadquartersHouston, TXMar 28, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Office address2229 SAN FELIPE STREET, SUITE 1450, Houston, TX, 77019Mar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Office address2229 SAN FELIPE STREET, SUITE 1450, Houston, TX, 77019Mar 28, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Legal formLimited PartnershipMar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Legal formLimited PartnershipMar 28, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Portfolio pagehttps://carnelianenergy.com/our-portfolio/
1 entries read
Sep 16, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Portfolio pagehttps://carnelianenergy.com/our-portfolio/
1 entries read
Sep 12, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Private funds reported7Mar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Private funds reported5Mar 28, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Private fund gross assets (reported)$2.2BMar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Private fund gross assets (reported)$1.9BMar 28, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Schedule a diffsadiff-1Mar 31, 2026FactIAPD Form ADV Part 1 PDF per firm (current filing, Schedule D 7.B.(1) and Schedule A)
Stated sectorsenergy
sector words on the home page
Sep 16, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Stated sectorsenergy
sector words on the home page
Sep 12, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Team pagehttps://carnelianenergy.com/our-team/
17 name/title pairs read
Sep 16, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Team pagehttps://carnelianenergy.com/our-team/
17 name/title pairs read
Sep 12, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Venture funds reported7Mar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
Venture funds reported5Mar 28, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
WebsiteHTTP://WWW.CARNELIANENERGY.COMMar 31, 2026FactSEC Form ADV monthly roster (registered + exempt reporting advisers)
WebsiteHTTP://WWW.CARNELIANENERGY.COMMar 28, 2024FactSEC Form ADV filing data 2011 to 2024 (every filing, Schedule D 7.B.(1) private funds, Schedules A/B)
Site titleCarnelian Energy Capital – Focused investing in the North American upstream, midstream and oilfield services sectors.
title tag
Sep 16, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)
Site titleCarnelian Energy Capital – Focused investing in the North American upstream, midstream and oilfield services sectors.
title tag
Sep 12, 2026FactVenture organization websites (about, team, portfolio, thesis, news pages)