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IOG Capital, LP

Private Equity

IOG is a Texas-based investment firm focused on a non-operated E&P strategy through its three active investment platforms, IOG Resources Holdings, LLC

This is the graph view. The full profile, with its team, deals and sources, is on Private Equity.Open the full profile →

Search this name across graphsid dfx:pe:da4bf59b-7658-4c5c-b67e-5b7c99570a47

Data as of Sep 17, 2026 (this record's last observation) from federal regulator filings, firm and issuer disclosures. Page built Sep 20, 2026, 7:30 AM UTC and rebuilt at most every 15 minutes.

Relationships: 29
Dated events: 36
On other graphs: 2
Observed: Sep 13, 2026 to Sep 17, 2026
21 observations

Across DFX

same identity by shared identifier, citation, or a bridge measured by hand

Venture Capitalidentity

IOG Capital, LP

Venture manager · shared crd

RIA / Wealth Managementidentity

IOG CAPITAL, LP

Registered adviser · shared crd

Facts

fact = as filed or announced; derived = computed by DFX; estimate = a band, never a point

Funds: 13
PE funds: 13
Vintages: 2016 to 2018
PE GAV, 2024 filing: $68.8Mgross asset value on Form ADV; never dry powder
Investments: 0
Active investments: 0
Size band: LOWER MIDDLE MARKETderivedproxy: $0.07bn Private Equity Fund GAV on the Form ADV filed 2024-03-29
Latest ADV filing: Mar 29, 2024
Website: iogcapital.com

Funds

Fund	Vintage	Lifecycle	ADV type	Form D sold	GAV
IOG Resources, LLC	2018	Harvest	Private Equity Fund	n/a	$159M
IOG Class S Investment Vehicle I, LP	2017	Wound down	Private Equity Fund	n/a	$150,952
IOG Stack Opportunities Partners, LP	2017	Wound down	Private Equity Fund	n/a	$301,903
IOG Hughes Falcon Partners, LP	2017	Wound down	Private Equity Fund	n/a	$0
IOG Mid-Continent Partners I, L.P.	2016	Wound down	Private Equity Fund	n/a	$191,393
IOG Class F Investment Vehicle I, L.P.	2016	Unknown	Private Equity Fund	n/a	$68.8M
IOG Crv-Marcellus Partners, LP	2016	Wound down	Private Equity Fund	n/a	$7.6M
IOG South Texas Partners I, LP	2016	Wound down	Private Equity Fund	n/a	$16.0M
IOG Gonzales 1835 Partners I, LP	2016	Wound down	Private Equity Fund	n/a	$1.6M
IOG Class M Investment Vehicle I, LP	2016	Wound down	Private Equity Fund	n/a	$158,674
IOG Nod Partners I, LP	2016	Wound down	Private Equity Fund	n/a	$0
IOG Class L Investment Vehicle I, LP	2016	Wound down	Private Equity Fund	n/a	$15.4M
IOG Capital Investments I, LP	n/a	Wound down	Private Equity Fund	n/a	$616,628

Relationships

Employs (15)

→ Ed MelloPersonManager of Land & Legal
factThe subject's own site
→ Marco RiveraPersonSenior Vice President – Corporate Development
factThe subject's own site
→ Ryan RichterPersonVice President – Finance
factThe subject's own site
→ Annie NagelePersonOffice Administrator
factThe subject's own site
→ James DeanPersonSenior Vice President – Engineering
factThe subject's own site
→ Ben GoodyearPersonController
factThe subject's own site
→ Gunnar BlevinsPersonAssociate
factThe subject's own site
→ Becky BucknerPersonSenior Engineering & Data Analyst
factThe subject's own site
→ Kyle ChandlerPersonVice President – Engineering
factThe subject's own site
→ Marc Christian RowlandPersonMember / Manager
May 1, 2014 to presentfactForm ADV
→ Noam Philip BerkPersonMember / Manager
May 1, 2014 to presentfactForm ADV
→ III William James HeathPersonManaging Director / Chief Compliance Officer / Chief Financial Officer
Oct 1, 2019 to Oct 12, 2021inferenceForm ADV
→ Thomas Cooper WoolleyPersonManaging Director
May 1, 2014 to Oct 12, 2021inferenceForm ADV
→ Charles Frederic ShufeldtPersonMember/Manager
May 1, 2014 to Mar 30, 2021inferenceForm ADV
→ Michael Tynan ArnoldPersonVice President / Chief Compliance Officer
May 1, 2014 to Oct 15, 2019inferenceForm ADV

Manages (13)

→ IOG Resources, LLCFundPrivate Equity Fund
Mar 28, 2018 to presentfactForm ADV
→ IOG Class L Investment Vehicle I, LPFundPrivate Equity Fund
Mar 30, 2016 to presentfactForm ADV
→ IOG South Texas Partners I, LPFundPrivate Equity Fund
Mar 30, 2016 to presentfactForm ADV
→ IOG Class M Investment Vehicle I, LPFundPrivate Equity Fund
Jun 1, 2016 to presentfactForm ADV
→ IOG Hughes Falcon Partners, LPFundPrivate Equity Fund
Mar 31, 2017 to presentfactForm ADV
→ IOG Nod Partners I, LPFundPrivate Equity Fund
Jun 1, 2016 to presentfactForm ADV
→ IOG Gonzales 1835 Partners I, LPFundPrivate Equity Fund
Jun 1, 2016 to presentfactForm ADV
→ IOG Stack Opportunities Partners, LPFundPrivate Equity Fund
Mar 31, 2017 to presentfactForm ADV
→ IOG Class S Investment Vehicle I, LPFundPrivate Equity Fund
Mar 31, 2017 to presentfactForm ADV
→ IOG Capital Investments I, LPFundPrivate Equity Fund
Nov 11, 2014 to presentfactForm ADV
→ IOG Crv-Marcellus Partners, LPFundPrivate Equity Fund
Mar 30, 2016 to presentfactForm ADV
→ IOG Mid-Continent Partners I, L.P.FundPrivate Equity Fund
Mar 30, 2016 to presentfactForm ADV
→ IOG Class F Investment Vehicle I, L.P.FundPrivate Equity Fund
Mar 30, 2016 to presentfactForm ADV

Owns (1)

← IOG Capital GP, LLCFirmGeneral Partner
May 1, 2014 to presentfactForm ADV

Dated events

25 bookkeeping events (roster, classification and holdings changes) folded below

Occurred
Mar 17, 2026
Firm news
IOGR III: Powder River Basin Development Partnership
The subject's own siteobserved 2 days ago
Occurred
May 6, 2025
Firm news
IOG: Formation & First Close of IOG Resources III
The subject's own siteobserved 2 days ago
Occurred
Apr 10, 2025
Firm news
IOGR II: Permian Development Partnership
The subject's own siteobserved 2 days ago
Occurred
Feb 26, 2025
Firm news
IOGR II: Eastern Ohio Utica Acquisition
The subject's own siteobserved 2 days ago
Occurred
Oct 12, 2021
Person left
III William James Heath (Managing Director / Chief Compliance Officer / Chief Financial Officer) no longer on Schedule A of IOG Capital, LP
Form ADVobserved 6 days ago
Occurred
Oct 12, 2021
Person left
Thomas Cooper Woolley (Managing Director) no longer on Schedule A of IOG Capital, LP
Form ADVobserved 6 days ago
Occurred
Mar 30, 2021
Person left
Charles Frederic Shufeldt (Member/Manager) no longer on Schedule A of IOG Capital, LP
Form ADVobserved 6 days ago
Occurred
Mar 3, 2021
Firm news
IOGR I: Ohio Utica Acquisition
The subject's own siteobserved 2 days ago
Occurred
Oct 15, 2019
Person left
Michael Tynan Arnold (Vice President / Chief Compliance Officer) no longer on Schedule A of IOG Capital, LP
Form ADVobserved 6 days ago
Occurred
Oct 1, 2019
Person joined
III William James Heath joined Schedule A of IOG Capital, LP as Chief Compliance Officer / Chief Financial Officer
Form ADVobserved 6 days ago
Occurred
Nov 11, 2014
Adviser first adv filing
IOG Capital, LP first filed Form ADV in the extract (ERA)
Form ADVobserved 6 days ago

Show 25 bookkeeping events

Occurred
Sep 1, 2026
Adviser CRD 171940 is not on the SEC registered or exempt adviser roster of 2026-09-01
Occurred
Mar 29, 2024
Fund 805-8654508570 no longer reported on Form ADV by IOG Capital, LP
Occurred
Mar 29, 2024
Fund 805-9963640256 no longer reported on Form ADV by IOG Capital, LP
Occurred
Mar 31, 2023
Fund 805-1783330692 no longer reported on Form ADV by IOG Capital, LP
Occurred
Mar 31, 2023
Fund 805-1956573756 no longer reported on Form ADV by IOG Capital, LP
Occurred
Mar 31, 2023
Fund 805-4546888586 no longer reported on Form ADV by IOG Capital, LP
Occurred
Mar 29, 2022
Fund 805-8710669378 no longer reported on Form ADV by IOG Capital, LP
Occurred
Mar 29, 2022
Fund 805-7784053332 no longer reported on Form ADV by IOG Capital, LP
Occurred
Mar 29, 2022
Fund 805-3496170635 no longer reported on Form ADV by IOG Capital, LP
Occurred
Mar 30, 2020
Fund 805-5368366189 no longer reported on Form ADV by IOG Capital, LP
Occurred
Mar 30, 2020
Fund 805-1774487952 no longer reported on Form ADV by IOG Capital, LP
Occurred
Mar 30, 2020
Fund 805-9656447981 no longer reported on Form ADV by IOG Capital, LP
Occurred
Mar 28, 2018
IOG Resources, LLC first reported on Form ADV by IOG Capital, LP (Private Equity Fund), GAV $192,082,500
Occurred
Mar 31, 2017
IOG Hughes Falcon Partners, LP first reported on Form ADV by IOG Capital, LP (Private Equity Fund), GAV $40,000,000
Occurred
Mar 31, 2017
IOG Stack Opportunities Partners, LP first reported on Form ADV by IOG Capital, LP (Private Equity Fund), GAV $43,056,749
Occurred
Mar 31, 2017
IOG Class S Investment Vehicle I, LP first reported on Form ADV by IOG Capital, LP (Private Equity Fund), GAV $9,394,781
Occurred
Jun 1, 2016
IOG Nod Partners I, LP first reported on Form ADV by IOG Capital, LP (Private Equity Fund), GAV $4,000,000
Occurred
Jun 1, 2016
IOG Class M Investment Vehicle I, LP first reported on Form ADV by IOG Capital, LP (Private Equity Fund), GAV $27,500,000
Occurred
Jun 1, 2016
IOG Gonzales 1835 Partners I, LP first reported on Form ADV by IOG Capital, LP (Private Equity Fund), GAV $54,000,000
Occurred
Mar 30, 2016
IOG Mid-Continent Partners I, L.P. first reported on Form ADV by IOG Capital, LP (Private Equity Fund), GAV $5,000,000
Occurred
Mar 30, 2016
IOG Crv-Marcellus Partners, LP first reported on Form ADV by IOG Capital, LP (Private Equity Fund), GAV $54,000,000
Occurred
Mar 30, 2016
IOG South Texas Partners I, LP first reported on Form ADV by IOG Capital, LP (Private Equity Fund), GAV $18,000,000
Occurred
Mar 30, 2016
IOG Class L Investment Vehicle I, LP first reported on Form ADV by IOG Capital, LP (Private Equity Fund), GAV $20,000,000
Occurred
Mar 30, 2016
IOG Class F Investment Vehicle I, L.P. first reported on Form ADV by IOG Capital, LP (Private Equity Fund), GAV $144,000,000
Occurred
Nov 11, 2014
IOG Capital Investments I, LP first reported on Form ADV by IOG Capital, LP (Private Equity Fund), GAV $66,625,000

Who to call

the organisation, the role and the published line, with the filing or website that published it; revealed to signed-in accounts

The firm's published line

Revealable: 1 business phone (Form ADV), 1 website (Form ADV) · as of 2026-09-13

Ed Mello
Manager of Land & Legal · Revealable: 1 professional profile (firm website)
Marco Rivera
Senior Vice President – Corporate Development · Revealable: 1 professional profile (firm website)
Ryan Richter
Vice President – Finance · Revealable: 1 professional profile (firm website)
Annie Nagele
Office Administrator · Revealable: 1 professional profile (firm website)
James Dean
Senior Vice President – Engineering · Revealable: 1 professional profile (firm website)
Ben Goodyear
Controller · Revealable: 1 professional profile (firm website)
Gunnar Blevins
Associate · Revealable: 1 professional profile (firm website)
Becky Buckner
Senior Engineering & Data Analyst · Revealable: 1 professional profile (firm website)
Kyle Chandler
Vice President – Engineering · Revealable: 1 professional profile (firm website)

Also named here, with no published line of their own (reach them through the firm): Marc Christian Rowland (Member / Manager), Noam Philip Berk (Member / Manager).

Who to call is the organisation, the person's role and the line they published themselves: a business phone, office address, website or profile link from Form ADV, Form 13F or their own website, with that source named on every value. The counts above are what a reveal returns; a personal email is rarely published, so most reveals are the firm's line. Never data bought from a provider, never anything personal. Reveals by plan

Provenance

Graph: Private Equity
Canonical id: dfx:pe:da4bf59b-7658-4c5c-b67e-5b7c99570a47
First observed: Sep 13, 2026
Last observed: Sep 17, 2026 2 days ago
Source families: Federal regulator filings, Firm and issuer disclosures
3 registered feeds stand behind this record; each fact above carries its own dates and, where the publisher serves one, its document.
Resolution: Identity across graphs by shared identifier (CRD, CIK, EIN, ADV fund id, individual CRD) or citation; a name match is shown as a candidate and never merged.

IOG Capital, LP

Private Equity

IOG is a Texas-based investment firm focused on a non-operated E&P strategy through its three active investment platforms, IOG Resources Holdings, LLC

This is the graph view. The full profile, with its team, deals and sources, is on Private Equity.Open the full profile →

Search this name across graphsid dfx:pe:da4bf59b-7658-4c5c-b67e-5b7c99570a47

Data as of Sep 17, 2026 (this record's last observation) from federal regulator filings, firm and issuer disclosures. Page built Sep 20, 2026, 7:30 AM UTC and rebuilt at most every 15 minutes.

Fund

Vintage

Lifecycle

ADV type

Form D sold

GAV

LPs

IOG Resources, LLC

2018

Harvest

Private Equity Fund

n/a

$159M

IOG Class S Investment Vehicle I, LP

2017

Wound down

Private Equity Fund

n/a

$150,952

IOG Stack Opportunities Partners, LP

2017

Wound down

Private Equity Fund

n/a

$301,903

IOG Hughes Falcon Partners, LP

2017

Wound down

Private Equity Fund

n/a

IOG Mid-Continent Partners I, L.P.

2016

Wound down

Private Equity Fund

n/a

$191,393

IOG Class F Investment Vehicle I, L.P.

2016

Unknown

Private Equity Fund

n/a

$68.8M

IOG Crv-Marcellus Partners, LP

2016

Wound down

Private Equity Fund

n/a

$7.6M

IOG South Texas Partners I, LP

2016

Wound down

Private Equity Fund

n/a

$16.0M

IOG Gonzales 1835 Partners I, LP

2016

Wound down

Private Equity Fund

n/a

$1.6M

IOG Class M Investment Vehicle I, LP

2016

Wound down

Private Equity Fund

n/a

$158,674

IOG Nod Partners I, LP

2016

Wound down

Private Equity Fund

n/a

IOG Class L Investment Vehicle I, LP

2016

Wound down

Private Equity Fund

n/a

$15.4M

IOG Capital Investments I, LP

n/a

Wound down

Private Equity Fund

n/a

$616,628