AltMountain

Madison Dearborn Partners

Chicago, IL · CRD 157349
Private equity manager

Madison Dearborn Partners is an SEC-registered investment adviser based in Chicago, IL that reports managing 57 private funds on Form ADV, including 57 private equity funds. It reports $20.7 billion in regulatory assets under management. Its private funds hold $21.5 billion in gross assets.

Regulatory assets under management
$20.7 billionForm ADV Item 5.F
Gross assets of private funds
$21.5 billionAll private fund types, Form ADV
Private funds managed
57PE 57 · VC 0 · hedge 0
Employees
73Form ADV Item 5.A
Registration
SEC-registered adviserCRD 157349
Latest Form ADV
03/31/2026Disciplinary disclosures: none reported

Private equity funds filing Form D (5)

Fund
First sale
Raised
Investors
Minimum
Offering
Madison Dearborn Capital Partners IX-B, L.P.
Chicago, IL
First saleSep 2025
Raised$1.6B
Investors71
MinimumNone set
Offering506(b)
Madison Dearborn Capital Partners IX-A, L.P.
Chicago, IL
First saleSep 2025
Raised$1.6B
Investors71
MinimumNone set
Offering506(b)
Madison Dearborn Capital Partners IX Executive-B, L.P.
Chicago, IL
First saleSep 2025
Raised$1.6B
Investors30
MinimumNone set
Offering506(b)
Madison Dearborn Capital Partners IX-C, L.P.
Chicago, IL
First saleSep 2025
Raised$1.6B
Investors54
MinimumNone set
Offering506(b)
Madison Dearborn Capital Partners IX Executive-A, L.P.
Chicago, IL
First saleSep 2025
Raised$1.6B
Investors30
MinimumNone set
Offering506(b)

Matched to this firm by the fund names and related persons in each Form D. The list may be incomplete.

Private funds reported on Form ADV (28)

Fund
Gross assets
Minimum
Owners
Adviser
Madison Dearborn Capital Partners Viii-A, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$2.7B
Minimum$98K
Owners201
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners Vii-A L.P.
Delaware, United StatesPrivate equity fund
Gross assets$2.1B
Minimum$100K
Owners219
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners Viii-C, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$1.8B
Minimum$63K
Owners114
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners Vii-C L.P.
Delaware, United StatesPrivate equity fund
Gross assets$1.2B
Minimum$400K
Owners58
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners Viii-B, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$800M
Minimum$98K
Owners201
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners Vii-B L.P.
Delaware, United StatesPrivate equity fund
Gross assets$704M
Minimum$100K
Owners219
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners VIII Executive-A2, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$232M
Minimum$241M
Owners1
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners VIII Executive-A, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$227M
Minimum$68K
Owners108
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners VII Executive-A L.P.
Delaware, United StatesPrivate equity fund
Gross assets$218M
Minimum$100K
Owners89
AdviserMadison Dearborn Partners
MDCP Vii-A Global Investments LP
Cayman IslandsPrivate equity fund
Gross assets$213M
Minimum$100K
Owners219
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners V-A, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$139M
Minimum$250K
Owners300
AdviserMadison Dearborn Partners
MDCP Vii-C Global Investments LP
Cayman IslandsPrivate equity fund
Gross assets$93.5M
Minimum$400K
Owners58
AdviserMadison Dearborn Partners
MDP Sm Holdings, LLC
Delaware, United StatesPrivate equity fund
Gross assets$82.4M
Minimum$879K
Owners7
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners VII Executive-B L.P.
Delaware, United StatesPrivate equity fund
Gross assets$67.8M
Minimum$100K
Owners89
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners VIII Executive-B, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$65.9M
Minimum$68K
Owners108
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners VIII Executive-B2, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$64.7M
Minimum$241M
Owners1
AdviserMadison Dearborn Partners
MDP Acm Holdings, LLC
Delaware, United StatesPrivate equity fund
Gross assets$39.0M
Minimum$1.4M
Owners6
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners V-C, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$37.2M
Minimum$25K
Owners74
AdviserMadison Dearborn Partners
MDCP Executive Vii-A Global Investments LP
Cayman IslandsPrivate equity fund
Gross assets$20.7M
Minimum$100K
Owners89
AdviserMadison Dearborn Partners
MDCP Vi-A Global Investments LP
Cayman IslandsPrivate equity fund
Gross assets$20.0M
Minimum$37K
Owners196
AdviserMadison Dearborn Partners
MDCP Vi-C Global Investments LP
Cayman IslandsPrivate equity fund
Gross assets$4.2M
Minimum$141K
Owners45
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners V Executive-A, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$1.8M
Minimum$25K
Owners46
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners Vi-B, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$1.3M
Minimum$37K
Owners196
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners Vi-A, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$813K
Minimum$37K
Owners196
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners VI Executive-B, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$613K
Minimum$250K
Owners29
AdviserMadison Dearborn Partners
MDCP Executive Vi-A Global Investments LP
Cayman IslandsPrivate equity fund
Gross assets$501K
Minimum$250K
Owners29
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners Vi-C, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$478K
Minimum$141K
Owners45
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners VI Executive-A, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$324K
Minimum$250K
Owners29
AdviserMadison Dearborn Partners

As reported in the adviser's Form ADV filed Mar 29, 2024. Funds also listed from Form D are shown above.

Fund vehicles: feeder funds and single-deal vehicles (14)

Fund
Gross assets
Minimum
Owners
Adviser
MDCP Insurance Spv, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$3.1B
Minimum$32K
Owners204
AdviserMadison Dearborn Partners
Patriot Spv, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$2.8B
Minimum$28K
Owners190
AdviserMadison Dearborn Partners
MDCP VII Auxiliary Spv, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$837M
Minimum$17K
Owners104
AdviserMadison Dearborn Partners
MDCP Co-Investors (Tango), L.P.
Delaware, United StatesPrivate equity fund
Gross assets$759M
Minimum$946K
Owners31
AdviserMadison Dearborn Partners
MDCP Co-Investors (Mobius), L.P.
Delaware, United StatesPrivate equity fund
Gross assets$289M
Minimum$200K
Owners26
AdviserMadison Dearborn Partners
MDCP Co-Investors (Vision), L.P.
Delaware, United StatesPrivate equity fund
Gross assets$224M
Minimum$20K
Owners16
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners VIII Spv-A2, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$205M
Minimum$32K
Owners42
AdviserMadison Dearborn Partners
MDCP Co-Investors (Patriot III), L.P.
Delaware, United StatesPrivate equity fund
Gross assets$87.5M
Minimum$2.2M
Owners2
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners VIII Spv-B2, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$51.0M
Minimum$32K
Owners42
AdviserMadison Dearborn Partners
MDCP Co-Investors (Patriot IV), L.P.
Delaware, United StatesPrivate equity fund
Gross assets$29.1M
Minimum$838K
Owners4
AdviserMadison Dearborn Partners
MDCP Co-Investors (Patriot II), L.P.
Delaware, United StatesPrivate equity fund
Gross assets$27.7M
Minimum$4.0M
Owners4
AdviserMadison Dearborn Partners
Pera Ristra Mdcp Co-Invest, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$26.0M
Minimum$100K
Owners2
AdviserMadison Dearborn Partners
MDCP Co-Investors (Shd), L.P.
Delaware, United StatesPrivate equity fund
Gross assets$25.0M
Minimum$25.0M
Owners1
AdviserMadison Dearborn Partners
Madison Dearborn Capital Partners Offshore Vi-C, L.P.
Cayman IslandsPrivate equity fund
Gross assets$4.9M
Minimum$20.0M
Owners1
AdviserMadison Dearborn Partners

Feeder funds invest through a master fund; single-deal vehicles (SPVs, co-investments, series) hold one investment.

From SEC filings. Firm data comes from the SEC's Form ADV data. AltMountain has not verified this information, and it is not an offer, solicitation or recommendation. Full disclosures