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Private equityFirmprivate credit · probablelower middle market

MSC Adviser I, LLC

Private Equity

Houston, TX

Main Street Capital, located in Houston, TX, is a private debt and private equity firm that invests in lower and middle market private companies.

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:79705b97-3a25-42fa-b31b-657cc0125c00

Data as of Sep 17, 2026 (this record's last observation) from federal regulator filings, firm and issuer disclosures. Page built Sep 19, 2026, 6:25 AM UTC and rebuilt at most every 15 minutes.

Relationships: 17
Dated events: 11
On other graphs: 3
Observed: Sep 13, 2026 to Sep 17, 2026
39 observations

Across DFX

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

Independent Sponsorsidentity

MSC Adviser I, LLC

Capital provider to sponsors · shared crd

RIA / Wealth Managementidentity

MSC ADVISER I, LLC

Registered adviser · shared crd

Private Creditidentity

MSC ADVISER I, LLC

Private credit manager · shared crd

Facts

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

Funds: 2
PE funds: 2
Vintages: 2021 to 2024
PE GAV, 2024 filing: $239Mgross asset value on Form ADV; never dry powder
Regulatory AUM: $1.5B
Investments: 4
Active investments: 0
Size band: LOWER MIDDLE MARKETderivedproxy: $0.24bn Private Equity Fund GAV on the Form ADV filed 2024-11-08
Stated control: majority
Latest ADV filing: Nov 8, 2024
Employees (ADV): 100
Website: mainstcapital.com

Funds

Fund	Vintage	Lifecycle	ADV type	Form D sold	GAV	LPs
MS Private Loan Fund II, LP	2024	Unknown	Private Equity Fund	n/a	$35.8M	0
MS Private Loan Fund I, LP	2021	Active deployment	Private Equity Fund	n/a	$203M	0

Investments

Company	State	Role	Control	Invested	Exited	Status
Lower Middle Market Realized	n/a	unknown	unknown	n/a	n/a	unknown
Private Credit Current	n/a	unknown	unknown	n/a	n/a	unknown
Private Credit Realized	n/a	unknown	unknown	n/a	n/a	unknown
Lower Middle Market Current	n/a	unknown	unknown	n/a	n/a	unknown

Relationships

Employs (7)

→ Jesse Enrique MorrisPersonExecutive Vice President, Chief Operating Officer, Chief Financial Officer And Senior Managing Director
Jul 1, 2019 to presentfactForm ADV, The subject's own site
→ Dwayne L. HyzakPersonManager; Chief Executive Officer And Senior Managing Director
Nov 1, 2014 to presentfactForm ADV, The subject's own site
→ Kristin Lynn RiningerPersonChief Compliance Officer And Deputy General Counsel
Nov 1, 2024 to presentfactForm ADV
→ Jason B BeauvaisPersonManager; Executive Vice President, General Counsel And Secretary
Nov 1, 2024 to presentfactForm ADV
→ Vincent D FosterPersonManager; Executive Chairman
Dec 1, 2013 to Mar 31, 2022inferenceForm ADV
→ Brent Dwayne SmithPersonChief Financial Officer And Treasurer
Nov 1, 2014 to Sep 3, 2021inferenceForm ADV
→ Adam W ParkPersonAssistant General Counsel, Chief Compliance Officer And Assistant Secretary
Aug 1, 2023 to Jul 5, 2024inferenceForm ADV

Invested in (4)

→ Private Credit CurrentCompanyunknown
factThe subject's own site
→ Lower Middle Market RealizedCompanyunknown
factThe subject's own site
→ Private Credit RealizedCompanyunknown
factThe subject's own site
→ Lower Middle Market CurrentCompanyunknown
factThe subject's own site

Manages (2)

→ MS Private Loan Fund II, LPFundPrivate Equity Fund
Mar 28, 2024 to presentfactForm ADV
→ MS Private Loan Fund I, LPFundPrivate Equity Fund
Jan 14, 2021 to presentfactForm ADV

Owns (2)

← Main Street Capital Partners, LLCFirmSole Member
Jul 1, 2017 to presentfactForm ADV
← Main Street Capital, LLCFirmSole Member
May 1, 2007 to presentfactForm ADV

Dated events

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

Occurred
Aug 18, 2026
Firm news
Main Street Announces New Portfolio Investment
The subject's own siteobserved yesterday
Occurred
Nov 1, 2024
Person joined
Kristin Lynn Rininger joined Schedule A of MSC Adviser I, LLC as Chief Compliance Officer And Deputy General Counsel
Form ADVobserved 5 days ago
Occurred
Jul 5, 2024
Person left
Adam W Park (Assistant General Counsel, Chief Compliance Officer And Assistant Secretary) no longer on Schedule A of MSC Adviser I, LLC
Form ADVobserved 5 days ago
Occurred
Aug 1, 2023
Person joined
Adam W Park joined Schedule A of MSC Adviser I, LLC as Assistant General Counsel, Chief Compliance Officer And Assistant Secretary
Form ADVobserved 5 days ago
Occurred
Mar 31, 2022
Person left
Vincent Davis Foster (Manager; Executive Chairman) no longer on Schedule A of MSC Adviser I, LLC
Form ADVobserved 5 days ago
Occurred
Sep 3, 2021
Person left
Brent Dwayne Smith (Chief Financial Officer And Treasurer) no longer on Schedule A of MSC Adviser I, LLC
Form ADVobserved 5 days ago
Occurred
Jul 1, 2019
Person joined
Jesse Enrique Morris joined Schedule A of MSC Adviser I, LLC as Executive Vice President And Chief Operating Officer
Form ADVobserved 5 days ago
Occurred
Nov 1, 2014
Person joined
Brent Dwayne Smith joined Schedule A of MSC Adviser I, LLC as Chief Financial Officer And Treasurer
Form ADVobserved 5 days ago
Occurred
Dec 4, 2013
Adviser first adv filing
MSC Adviser I, LLC first filed Form ADV in the extract (IA)
Form ADVobserved 5 days ago

Show 2 bookkeeping events

Occurred
Mar 28, 2024
MS Private Loan Fund II, LP first reported on Form ADV by MSC Adviser I, LLC (Private Equity Fund), GAV $35,817,493
Occurred
Jan 14, 2021
MS Private Loan Fund I, LP first reported on Form ADV by MSC Adviser I, LLC (Private Equity Fund), GAV $8,068,750

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 office address (Form ADV), 1 website (Form ADV), 6 work emails (firm website) · as of 2026-09-17

Jesse Enrique Morris
Executive Vice President, Chief Operating Officer, Chief Financial Officer And Senior Managing Director · Revealable: 1 work email (firm website)
Dwayne L. Hyzak
Manager; Chief Executive Officer And Senior Managing Director · Revealable: 1 work email (firm website)

Also named here, with no published line of their own (reach them through the firm): Kristin Lynn Rininger (Chief Compliance Officer And Deputy General Counsel), Jason B Beauvais (Manager; Executive Vice President, General Counsel And Secretary).

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:79705b97-3a25-42fa-b31b-657cc0125c00
First observed: Sep 13, 2026
Last observed: Sep 17, 2026 40 h 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.

MSC Adviser I, LLC

Private Equity

Houston, TX

Main Street Capital, located in Houston, TX, is a private debt and private equity firm that invests in lower and middle market private companies.

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:79705b97-3a25-42fa-b31b-657cc0125c00

Data as of Sep 17, 2026 (this record's last observation) from federal regulator filings, firm and issuer disclosures. Page built Sep 19, 2026, 6:25 AM UTC and rebuilt at most every 15 minutes.

Fund

Vintage

Lifecycle

ADV type

Form D sold

GAV

LPs

MS Private Loan Fund II, LP

2024

Unknown

Private Equity Fund

n/a

$35.8M

MS Private Loan Fund I, LP

2021

Active deployment

Private Equity Fund

n/a

$203M

Company

State

Role

Control

Invested

Exited

Status

Lower Middle Market Realized

n/a

unknown

n/a

unknown

Private Credit Current

n/a

unknown

n/a

unknown

Private Credit Realized

n/a

unknown

n/a

unknown

Lower Middle Market Current

n/a

unknown

n/a

unknown