AltMountain

Madison Dearborn Capital Partners IX Executive-A, L.P.

Chicago, IL · CIK 2070674 · Managed by Madison Dearborn Partners

Madison Dearborn Capital Partners IX Executive-A, L.P. is a private equity fund based in Chicago, Illinois. According to its most recent Form D, filed Aug 26, 2026, it has sold $1,604,170,731 of interests to 30 investors since its first sale in Sep 2025. The filing does not set a minimum investment. It relies on the Section 3(c)(1) exclusion, which limits it to 100 beneficial owners, typically accredited investors. The offering uses Rule 506(b), which does not permit general solicitation. Related persons named in the filing include Annie Terry; Jason Shideler; Brandon Levitan.

Total raised
$1,604,170,731Cumulative sales reported on Form D
Investors
30
First sale
Sep 1, 2025
Minimum investment
None set
Who can invest
Accredited investorsSection 3(c)(1): up to 100 beneficial owners
Offering exemption
Rule 506(b)No general advertising
Key people and entities
Annie Terry; Jason Shideler; Brandon Levitan
Latest Form D
Aug 26, 2026

From SEC filings, not verified. This page republishes the fund's Form D as filed. It is not an offer, solicitation or recommendation, and AltMountain has not reviewed the fund. “Raised” is cumulative sales, not current assets or performance. Returns are not part of SEC filings. Private funds are speculative, illiquid and generally limited to accredited investors or qualified purchasers. Full disclosures · Request a correction

Questions about Madison Dearborn Capital Partners IX Executive-A, L.P.

What is the minimum investment for Madison Dearborn Capital Partners IX Executive-A, L.P.?

Madison Dearborn Capital Partners IX Executive-A, L.P.'s latest Form D, filed Aug 26, 2026, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in Madison Dearborn Capital Partners IX Executive-A, L.P.?

Madison Dearborn Capital Partners IX Executive-A, L.P. is generally open only to accredited investors, and it may have no more than 100 beneficial owners because it relies on Section 3(c)(1). It uses Rule 506(b), which does not allow general advertising.

How much has Madison Dearborn Capital Partners IX Executive-A, L.P. raised?

Madison Dearborn Capital Partners IX Executive-A, L.P. reports $1,604,170,731 sold from 30 investors on its Form D filed Aug 26, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Madison Dearborn Capital Partners IX Executive-A, L.P. based?

Madison Dearborn Capital Partners IX Executive-A, L.P. is based in Chicago, Illinois and is managed by Madison Dearborn Partners.

When did Madison Dearborn Capital Partners IX Executive-A, L.P. launch?

Madison Dearborn Capital Partners IX Executive-A, L.P. reports its first sale in Sep 2025.

Size compared with every private equity fund

Raised more than 95% of the 491 private equity funds based in Illinois, and more than 96% of all 9,142 that report sales.

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