MADISON DEARBORN PARTNERS LLC
Chicago, IL · CIK 1181100 · 13F filing filed 2025-11-10
SEC-registered investment adviser since 2012 · limited liability company
- Assets managed$20.7bn
- Staff73 · 53 in investment roles
- Main clients (by assets)Private funds 100%
- Private funds57 · $21.5bn gross assets
- Form ADV · 2026-03-31SEC adviser record
- Legal entityMADISON DEARBORN PARTNERS, LLC (US)
$0
reported value
1positions
—in top 10
0 new
0 added
0 reduced
0 sold out
vs Q2 2025
Holdings, Q3 2025
The small lines show how much was held over the last 4 quarters (adjusted for stock splits).
| Security | Value | Change |
|---|---|---|
| Aon PLC COM | $0— | Unchanged |
Stakes above 5%
Companies where this manager has reported owning more than 5% of a class of shares, on Schedule 13D (may seek influence) or 13G (passive): its latest filing for each, from 19 Dec 2024 on.
| Company | Stake |
|---|---|
| AEVEX CORP AVEX · 13G · filed 2026-08-14 | 49.5%≈ $1.7bn |