Madison Air Solutions Corp
MAIR- Exchange
- NYSE
- Industry
- Industrial & Commercial Fans & Blowers & Air Purifing Equip
- SEC CIK
- 0002098430
In the last 90 days, Madison Air Solutions Corp insiders filed 2 open-market purchases and 0 sales; 157 institutions reported holding it in 13F filings for Q2 2026, worth $4.79B in total; superinvestors D1 Capital Partners and Soros Fund Management hold it.
Holders of 5% or more of MAIR
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Madison Air Solutions Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Bertarelli Ernesto | 13G | 25.30%44.8M shares | New | May 15, 20261 filing | May 15, 2026 | SEC |
| Durable Capital Partners LP | 13G | 5.20%9.26M shares | New | Apr 23, 20261 filing | Apr 23, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
2 Schedule 13D and 13G filings on Madison Air Solutions Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 15, 20267:27 PM ET | Bertarelli Ernestoand 1 other | 13G | 25.30%44.8M shares | New | May 15, 2026 | SEC |
| Apr 23, 20264:03 PM ET | Durable Capital Partners LP | 13G | 5.20%9.26M shares | New | Apr 16, 2026 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Madison Air Solutions Corp shares.
No Form 144 notices for Madison Air Solutions Corp are on file.