Private Equity Firms in Houston
37 private equity firms are on this list. Of those that report private fund gross assets from a main office in the Houston metro, Quantum Capital Group is the largest: $27.7 billion through Qep Advisers, LLC (filed ).
The Energy & Minerals Group follows with $13.1 billion. The 37 firms counted report $91.3 billion together; the ten largest hold 85% of it, and half report less than $825 million.
Updated . Rechecked quarterly; next check . Figures read , as filed to .
- $25BN and over30%1 firm
- $10BN to $25BN14%1 firm
- $5BN to $10BN26%3 firms
- $1BN to $5BN22%11 firms
- $500MM to $1BN4%5 firms
- Under $500MM2%16 firms
Latest Form ADV of each, filed Mar 2026 to Sep 2026. Read ; sources at the end of the page.
- Private equity firms listedList of November 2026; 37 are private equity firms
- 37
- Combined fund assets37 counted; as filed to Sep 2026
- $91.3BN
- Median firmHalf of the 37 report less
- $825MM
- Held by the ten largestOf the $91.3BN combined
- 85%
Quantum Capital Group, The Energy & Minerals Group and The Sterling Group lead the Houston private equity firms by fund assets
The ten largest by private fund gross assets on their latest Form ADV. Together they report $77.3BN, 85% of the $91.3BN the 37 counted report.
- 1
Quantum Capital Group
Private equity firm, Houston
- 2
The Energy & Minerals Group
Private equity firm, Houston
- 3
The Sterling Group
Private equity firm, Houston
- 4
ARA Partners
Private equity firm, Houston
- 5
Five Point Infrastructure
Private equity firm, Houston
- 6
EIV Capital
Private equity firm, Houston
- 7
EW Healthcare Partners
Growth equity firm, The Woodlands
- 8
Ridgewood Energy Corporation
Private equity firm, Houston
- 9
Simmons L E & Associates
Private equity firm, Houston
- 10
Carnelian Energy Capital Management
Private equity firm, Houston
Gross assets of the private funds each adviser reported in its latest Form ADV. Each pin opens the filing behind the figure; the ranking rule and sources are at the end of the page. Read .
One firm holds 30% of the fund assets
How the 37 firms counted spread by size: most are small, the dollars sit at the top.
One dot per firm counted. Read .
Fund assets each reported in its latest filing; shares are of the $91.3BN combined, one row per firm. Read .
30%
of the fund assets reported sits with one firm, Quantum Capital Group. The five largest hold 71%; 21 of 37 report under $1 billion.
- Private equity firms37
Kind of each, from its own website and filings, checked November 2026.
- Houston34
- Tomball2
- The Woodlands1
Main office on each firm's Form ADV.
Leaders beyond the ranking
Figures the main ranking does not compare: most active in private offerings, most private funds.
| Rank | Name | Figure |
|---|---|---|
| 1 | Allied Industrial Partners | 22 issuers |
| 2 | 1876 Partners | 11 issuer |
| 3 | EIV Capital | 11 issuer |
Counts notices, new and amended, filed by issuers whose name begins with the name; offering amounts are not shown.
| Rank | Name | Figure |
|---|---|---|
| 1 | Quantum Capital Group | 71Jun 2026 |
| 2 | ARA Partners | 41Mar 2026 |
| 3 | The Energy & Minerals Group | 33Aug 2026 |
| 4 | Valedor Partners | 28Mar 2026 |
| 5 | The Sterling Group | 20Mar 2026 |
| 6 | EW Healthcare Partners | 19May 2026 |
| 7 | Amberjack Capital Partners | 14Sep 2026 |
| 8 | EOC Partners Advisors | 13Mar 2026 |
The list is public. The warm path is not. Schedule a conversation
All 37 private equity firms
A to Z, with each firm's private fund gross assets, private funds, listed stocks and fund offerings, each with a pin to its filing; firms with no figure show the interests they state on their own sites.
Showing all 37 firms
The first 30 are shown here; find, a kind or a size shows every match.
No row matches. Clear the find field or choose All.
Fund assets are the gross assets of the private funds in the adviser's latest Form ADV (solid bar; grey when the firm is not in the totals). Listed stocks are the US listed securities a firm reports each quarter; fund offerings count the private offering notices of funds named for the firm in two years. Each pin opens the filing behind the figure. The square beside a name opens every figure with its filing and notes.
One firm holds 30% of the money
Six findings from the filings of the 37 firms counted.
- 30%
of the $91.3 billion the 37 firms counted report is one firm's: Quantum Capital Group. Without it, the other 36 report $63.5 billion.
Fund assets, latest Form ADV of each; sums of filed figures
- $825MM
is the median: half of the 37 report less, and 21 report under $1 billion.
Fund assets, latest Form ADV of each
- 404
private funds are advised by the firms counted; Quantum Capital Group advises the most, 71.
Private funds on each Form ADV (Schedule D); sums of filed figures
- $472MM
of US listed stocks reported by 2 firms counted for a 2026 quarter; the largest, EW Healthcare Partners, reported $254 million.
Quarterly listed stock reports (Form 13F), 2026
- 4
private offering notices in two years were filed by funds and vehicles named for 3 firms; Allied Industrial Partners leads with 2.
Private offering notices, to
- 34
of the 37 have their main office in Houston; the next place is Tomball, with 2.
Main office on each Form ADV
Questions
How many private equity firms are there in Houston?
This list holds 37 private equity firms in the Houston metro; 37 of them report private fund gross assets on Form ADV, $91.3 billion together.
What are the largest private equity firms in Houston?
By the private fund gross assets they report: Quantum Capital Group $27.7 billion, The Energy & Minerals Group $13.1 billion, The Sterling Group $9.0 billion, ARA Partners $7.9 billion, Five Point Infrastructure $7.1 billion.
How much do private equity firms in Houston typically manage?
Of the 37 that report, the median reports $825 million in private fund gross assets; 21 report under $1 billion.
How do you start a relationship with private equity firms in Houston?
Each firm on this page links to its own website, and each figure carries a pin that opens the public filing it comes from. For fund managers and companies raising capital, Praxis Rock runs capital formation programs; see Raise Capital.
Sources and method
- Who is listed
- 37 private equity firms, 37 are private equity firms, as researched for this list; no row leaves the list.
- Ranking rule
- The top 10, every total, share and median, the charts and the answers to the questions use one set: the 37 advisers that report private fund gross assets in their latest SEC Form ADV, with a main office in the Houston metro, that the filing itself ties to the row (the CRD the list cites, or the row's own website in Item 1.I), one figure per adviser. A name match with no such tie is shown in the row's detail only, never ranked or counted.
- Our arithmetic
- The $91.3BN, the median, shares, charts and boards are sums and medians of filed numbers over that one set; 0 firms with a figure outside it stay listed with the figure and the reason.
- Pins
- Each figure's pin opens the filing it comes from: the adviser's Form ADV as filed, or the SEC filing index of its 13F report or of the latest private offering notice (Form D). The pin's label names the source and its date.
- What we searched
- On we searched every firm by its website against the websites advisers list on Form ADV, by the CRD the list cites, by name for Form ADV, and by every CIK found for 13F reports, and searched private offering notices for funds named for it. Of the 37, 37 report on a current Form ADV, 4 file 13F reports (2 for a 2026 quarter with a value), 3 have funds named for them in private offering notices, and 0 more show a possible match by name only in their detail, not counted.
- Words
- Kinds and interests are each firm's own, from its website. No person names are shown.
| Figure | Source | Period, read |
|---|---|---|
| Assets, private funds, client types, main office, employees | SEC Form ADV adviser data, October 2026 report, and each adviser's Form ADV as filed, 37 advisers | Filings to 2026-10-01; read 2026-10-31 |
| Listed stocks | SEC EDGAR Form 13F, 4 filers | Latest quarter; read 2026-10-31 |
| Private offering notices of funds named for a firm | SEC EDGAR full text search, Form D and D/A | 2024-10-31 to 2026-10-31 |
| Kind, interests and website | Each firm's own website, as researched for this list | Checked 2026-10-31 |
| Logos | Each firm's own website; a monogram where none checks | Read 2026-10-31 |
Cite as: Praxis Rock Advisors, "Private Equity Firms in Houston," updated November 1, 2026, praxisrock.com/resources/investors/pe-firms-houston