Madison Air Solutions Corporation
Ownership
Ownership Structure
Who owns Madison Air Solutions Corporation (MAIR)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 58.3% of the shares are freely tradable; institutional investors hold 28.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Durable Capital Partners LP | 2.03 | 10,196,486 | +0.0 | 06/30/2026 |
| SCHF (GPE), LLC | 1.48 | 7,407,407 | +0.0 | 06/30/2026 |
| Citadel Advisors Llc | 1.29 | 6,448,221 | +0.0 | 06/30/2026 |
| Pictet Asset Manangement SA | 0.88 | 4,434,713 | +0.0 | 06/30/2026 |
| Zimmer Partners LP | 0.83 | 4,150,810 | +0.0 | 06/30/2026 |
| Forest Avenue Capital Management LP | 0.81 | 4,061,688 | +0.0 | 06/30/2026 |
| XN LP | 0.52 | 2,630,403 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| MS INVF US Advantage I | 0.60 | 3,022,989 | +0.0 | 06/30/2026 |
| Pictet-Clean Energy Transition I USD | 0.57 | 2,880,409 | +1.2 | 07/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 0.52 | 2,621,135 | +0.3 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Bertarelli Ernesto | 10% Owner | 46,387,522 | 1,168,965,554 $ | Aug 25, 2026 | indirect |
| Gies Larry | Director | 12,815,378 | 322,947,526 $ | Aug 25, 2026 | indirect |
| Larson Leah | Group President Air Mvmt/Heat | 181,331 | 4,569,541 $ | Aug 21, 2026 | direct |
| La Force Andrew Hudson III | Director | 36,713 | 925,168 $ | Aug 25, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 25, 2026 | Gies Larry | Director | Other | 12,815,378 | 24.97 | 319,999,989 |
| Aug 25, 2026 | Gies Larry | Director | Other | 12,014,417 | 24.97 | 299,999,992 |
| Aug 25, 2026 | Bertarelli Ernesto | 10% Owner | Buy | 8,770,524 | 24.97 | 218,999,984 |
| Aug 25, 2026 | La Force Andrew Hudson III | Director | Buy | 20,000 | 27.84 | 556,800 |
| Aug 21, 2026 | Larson Leah | Group President Air Mvmt/Heat | Other | 20,518 | 26.25 | 538,598 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 25, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.