Madison Dearborn Capital Partners Ix-B, L.P.
Private Equity FundFund ID 805-3861445227Delaware, United States
Gross assets
$201.9M
Min. investment
$150K
Beneficial owners
53
Size rank
Top 31%
Audited
Yes
Structure
Standalone
About this fund
Madison Dearborn Capital Partners Ix-B, L.P. is a private equity fund managed by Madison Dearborn Partners, LLC. The fund reports $201.9 million in gross assets, placing it among the top 31% of private funds by size. The stated minimum investment is $150,000. Its financial statements are audited annually. Private funds are not required to publicly disclose returns; Form ADV reports assets, structure, and service providers, shown above.
Fund details
| Fund ID | 805-3861445227 |
| Fund type | Private Equity Fund |
| 3(c)(1) exclusion | No |
| 3(c)(7) exclusion | Yes |
| Master fund | No |
| Feeder fund | No |
| Fund of funds | No |
| Relies on exemption from registration | Yes |
| Annual audit | Yes |
| Prepared per GAAP | Yes |
| Sub-advised | No |
| % of assets independently valued | 0% |
Other funds from this manager
| Fund | Type | Gross assets |
|---|---|---|
| Mdcp Insurance SPV, L.P. | Private Equity | $3.62B |
| Madison Dearborn Capital Partners Viii-A, L.P. | Private Equity | $2.1B |
| Madison Dearborn Capital Partners Vii-A L.P. | Private Equity | $1.7B |
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Join to unlock · $37/moFrequently asked questions
How large is Madison Dearborn Capital Partners Ix-B, L.P.?
Madison Dearborn Capital Partners Ix-B, L.P. reports $201.9 million in gross assets, among the top 31% of private funds by size.
What is the minimum investment for Madison Dearborn Capital Partners Ix-B, L.P.?
The stated minimum investment is $150,000.
Who manages Madison Dearborn Capital Partners Ix-B, L.P.?
Madison Dearborn Capital Partners Ix-B, L.P. is managed by Madison Dearborn Partners, LLC.
Does Madison Dearborn Capital Partners Ix-B, L.P. disclose returns?
No. Private funds are not required to publicly disclose performance. Form ADV reports assets, structure, and service providers.
Manager
M
Chicago, IL
Service providers
Prime broker
None reported
Custodian
Administrator
Auditor
Marketer
Reported gross assets
$201.9MNo change
Mar '26Form ADV, monthlyJun '26
How this fund compares
Gross assetsTop 31%
Larger than 69% of 67,041 private funds
Gross assets vs Private Equity FundsTop 27%
Larger than 73% of 31,066 private equity funds
Minimum investmentTop 70%
Higher than 30% of funds reporting a minimum
Investor base
Adviser & related persons11%
Funds of funds68%
Non-U.S. persons%
Share of the fund's beneficial ownership reported on Form ADV. Categories can overlap.