Private Equity Firms in St. Louis
10 private equity firms are on this list. Of those that report private fund gross assets from a main office in the St. Louis metro, Thompson Street Capital Manager is the largest: $4.6 billion through Thompson Street Capital Manager LLC (filed ).
Compass Group Equity Partners follows with $851 million. The 10 firms counted report $6.9 billion together; the ten largest hold 100% of it, and half report less than $134 million.
Updated . Rechecked quarterly; next check . Figures read , as filed to .
- $1BN to $5BN66%1 firm
- $500MM to $1BN20%2 firms
- Under $500MM14%7 firms
Latest Form ADV of each, filed Mar 2026 to Jul 2026. Read ; sources at the end of the page.
- Private equity firms listedList of October 2026; 10 are private equity firms
- 10
- Combined fund assets10 counted; as filed to Jul 2026
- $6.9BN
- Median firmHalf of the 10 report less
- $134MM
- Held by the ten largestOf the $6.9BN combined
- 100%
Thompson Street Capital Manager, Compass Group Equity Partners and Agellus Capital lead the St. Louis private equity firms by fund assets
The ten largest by private fund gross assets on their latest Form ADV. Together they report $6.9BN, 100% of the $6.9BN the 10 counted report.
- 1
Thompson Street Capital Manager
Private equity firm, St. Louis
- 2
Compass Group Equity Partners
Private equity firm, St. Louis
- 3
Agellus Capital
Private equity firm, Clayton
- 4
Broadview Management
Private equity firm, St. Louis
- 5
Wilsquare Capital
Private equity firm, St. Louis
- 6
Sage Capital
Private equity firm, Saint Louis
- 7
Moelis Asset Catalyst Partners
Growth equity firm, St Louis
- 8
Millstone Capital Advisors
Private equity firm, Saint Louis
- 9
Encore General Partner
Private equity firm, Clayton
- 10
Alitus Partners
Private equity firm, St. Louis
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 66% of the fund assets
How the 10 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 $6.9BN combined, one row per firm. Read .
66%
of the fund assets reported sits with one firm, Thompson Street Capital Manager. The five largest hold 95%; 9 of 10 report under $1 billion.
- Private equity firms10
Kind of each, from its own website and filings, checked October 2026.
- St. Louis5
- Clayton2
- Saint Louis2
- St Louis1
Main office on each firm's Form ADV.
Leaders beyond the ranking
Figures the main ranking does not compare: most private funds.
| Rank | Name | Figure |
|---|---|---|
| 1 | Thompson Street Capital Manager | 10Mar 2026 |
| 2 | Compass Group Equity Partners | 7May 2026 |
| 3 | Millstone Capital Advisors | 7Mar 2026 |
| 4 | Agellus Capital | 6Mar 2026 |
| 5 | Broadview Management | 4Jul 2026 |
| 6 | Sage Capital | 4Apr 2026 |
| 7 | Alitus Partners | 3Mar 2026 |
| 8 | Wilsquare Capital | 2Mar 2026 |
The list is public. The warm path is not. Schedule a conversation
All 10 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 10 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 66% of the money
Four findings from the filings of the 10 firms counted.
- 66%
of the $6.9 billion the 10 firms counted report is one firm's: Thompson Street Capital Manager. Without it, the other 9 report $2.3 billion.
Fund assets, latest Form ADV of each; sums of filed figures
- $134MM
is the median: half of the 10 report less, and 9 report under $1 billion.
Fund assets, latest Form ADV of each
- 45
private funds are advised by the firms counted; Thompson Street Capital Manager advises the most, 10.
Private funds on each Form ADV (Schedule D); sums of filed figures
- 5
of the 10 have their main office in St. Louis; the next place is Clayton, with 2.
Main office on each Form ADV
Questions
How many private equity firms are there in St. Louis?
This list holds 10 private equity firms in the St. Louis metro; 10 of them report private fund gross assets on Form ADV, $6.9 billion together.
What are the largest private equity firms in St. Louis?
By the private fund gross assets they report: Thompson Street Capital Manager $4.6 billion, Compass Group Equity Partners $851 million, Agellus Capital $508 million, Broadview Management $465 million, Wilsquare Capital $145 million.
How much do private equity firms in St. Louis typically manage?
Of the 10 that report, the median reports $134 million in private fund gross assets; 9 report under $1 billion.
How do you start a relationship with private equity firms in St. Louis?
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
- 10 private equity firms, 10 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 10 advisers that report private fund gross assets in their latest SEC Form ADV, with a main office in the St. Louis 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 $6.9BN, 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 10, 10 report on a current Form ADV, 0 file 13F reports (0 for a 2026 quarter with a value), 0 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, 10 advisers | Filings to 2026-10-01; read 2026-10-31 |
| Listed stocks | SEC EDGAR Form 13F, 0 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 St. Louis," updated October 31, 2026, praxisrock.com/resources/investors/pe-firms-st-louis