Aaon, Inc.
AAON- Exchange
- Nasdaq
- Industry
- Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip
- SEC CIK
- 0000824142
In the last 90 days, Aaon, Inc. insiders filed 2 open-market purchases and 0 sales; 474 institutions reported holding it in 13F filings for Q2 2026, worth $8.26B in total; Giverny Capital is the only superinvestor holding it.
Holders of 5% or more of AAON
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Aaon, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Wellington Management Group LLP | 13G/A | 10.40%8.59M shares | +3.40 ppfrom 7.00% | Nov 12, 20256 filings | Sep 8, 2026 | SEC |
| BlackRock, Inc. | 13G/A | 7.70%6.27M shares | −1.00 ppfrom 8.70% | Feb 5, 20252 filings | Apr 17, 2025 | 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
9 Schedule 13D and 13G filings on Aaon, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Sep 8, 20267:39 AM ET | Wellington Management Group LLPand 3 others | 13G/A | 10.40%8.59M shares | +3.40 ppfrom 7.00% | Aug 31, 2026 | SEC |
| Aug 13, 20264:08 PM ET | Wellington Management Group LLPand 3 others | 13G/A | 7.00%5.77M shares | −2.80 ppfrom 9.80% | Jun 30, 2026 | SEC |
| May 15, 20267:24 AM ET | Wellington Management Group LLPand 3 others | 13G/A | 9.80%7.98M shares | −0.20 ppfrom 10.00% | Mar 31, 2026 | SEC |
| May 7, 20269:04 AM ET | Wellington Management Group LLPand 3 others | 13G/A | 10.00%8.18M shares | +1.60 ppfrom 8.40% | Apr 30, 2026 | SEC |
| Mar 26, 20263:06 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Feb 10, 202611:19 AM ET | Wellington Management Group LLPand 3 others | 13G/A | 8.40%6.84M shares | +2.60 ppfrom 5.80% | Dec 31, 2025 | SEC |
| Nov 12, 20259:33 AM ET | Wellington Management Group LLPand 3 others | 13G | 5.80%4.74M shares | New | Sep 30, 2025 | SEC |
| Apr 17, 20259:35 AM ET | BlackRock, Inc. | 13G/A | 7.70%6.27M shares | −1.00 ppfrom 8.70% | Mar 31, 2025 | SEC |
| Feb 5, 20251:23 PM ET | BlackRock, Inc. | 13G/A | 8.70%7.08M shares | – | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Aaon, Inc. shares.
No Form 144 notices for Aaon, Inc. are on file.