AAON, Inc.
AAON, Inc. (AAON) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · AAON · as of Sep 30, 2025
Ownership Breakdown
414
Institutional Holders
▲ 11 vs Q2
$6.80B
Total Inst. Value
▲ $2.13B vs Q2
81.91M
Shares Outstanding
freeFloat 83.28%
72.79M
13F Shares Held
▲ 9.50M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
AAON largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC air-cond & warm air heatg equip & comm & indl refrig equip | 6.47M | 7.95% | 7.95% | $604.94B | Nov 7, 2025 | ▼ 22.4K |
BLACKROCK, INC. air-cond & warm air heatg equip & comm & indl refrig equip | 6.38M | 7.84% | 7.84% | $596.27B | Nov 12, 2025 | ▼ 9.2K |
WELLINGTON MANAGEMENT GROUP LLP air-cond & warm air heatg equip & comm & indl refrig equip | 4.74M | 5.82% | 5.82% | $442.90B | Nov 14, 2025 | ▲ 3.97M |
CHAMPLAIN INVESTMENT PARTNERS, LLC air-cond & warm air heatg equip & comm & indl refrig equip | 2.32M | 2.85% | 2.85% | $216.81B | Nov 12, 2025 | ▲ 1.14M |
WASATCH ADVISORS LP air-cond & warm air heatg equip & comm & indl refrig equip | 2.14M | 2.63% | 2.63% | $199.86B | Nov 14, 2025 | ▲ 456.6K |
STATE STREET CORP air-cond & warm air heatg equip & comm & indl refrig equip | 2.05M | 2.51% | 2.51% | $191.26B | Nov 14, 2025 | ▲ 785 |
GENEVA CAPITAL MANAGEMENT LLC air-cond & warm air heatg equip & comm & indl refrig equip | 2.02M | 2.48% | 2.48% | $189.04B | Nov 13, 2025 | ▼ 13.6K |
MORGAN STANLEY air-cond & warm air heatg equip & comm & indl refrig equip | 2.01M | 2.47% | 2.47% | $187.76B | May 27, 2026 | ▼ 185.1K |
FIRST TRUST ADVISORS LP air-cond & warm air heatg equip & comm & indl refrig equip | 1.93M | 2.37% | 2.37% | $180.68B | Nov 12, 2025 | ▲ 1.12M |
BLAIR WILLIAM & CO/IL air-cond & warm air heatg equip & comm & indl refrig equip | 1.82M | 2.23% | 2.23% | $169.99B | Nov 12, 2025 | ▼ 460.8K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
27
Increased
+9.69M shares6
New Positions
first time holders17
Decreased
−1.65M shares0
Sold Out
fully exitedNet shares change (top 50)
+8.04M
+9.69M / −1.65M
Net new holders
+16
6 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
AAON insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Thompson Rebecca Chief Accounting Officer | Jun 2, 2026 | Sale | 4,230 | $143.42 | $606.7K | 0 | Form 4 ↗ |
Fields Gary D director | May 29, 2026 | Sale | 19,000 | $140.20 | $2.66M | 15.3K | Form 4 ↗ |
ASBJORNSON NORMAN H
| May 29, 2026 | Gift | 101,441 | — | — | 11.58M | Form 4 ↗ |
ASBJORNSON NORMAN H
| May 29, 2026 | Gift | 88,000 | — | — | 1.20M | Form 4 ↗ |
Wichman Gordon Douglas Executive Vice President | May 26, 2026 | Sale | 3,000 | $140.39 | $421.2K | 11.0K | Form 4 ↗ |
Fields Gary D director | May 26, 2026 | Sale | 21,173 | $140.34 | $2.97M | 34.3K | Form 4 ↗ |
Cheung Chung Kin Chief Financial Officer | Apr 20, 2026 | Award | 15,507 | — | — | 17.5K | Form 4 ↗ |
Kidwell Casey Chief Administration Officer | May 14, 2026 | Sale | 2,084 | $138.30 | $288.2K | 13.5K | Form 4 ↗ |
Kidwell Casey Chief Administration Officer | May 14, 2026 | Sale | 1,069 | $138.31 | $147.9K | 13.5K | Form 4 ↗ |
ASBJORNSON NORMAN H
| May 12, 2026 | Award | 1,290 | — | — | 98.8K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
AAON, Inc. (AAON) is primarily owned by institutional investors, who hold approximately 88.9% of total shares outstanding. Company insiders own approximately 16.72%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of AAON, Inc. is VANGUARD GROUP INC, holding approximately 6.47 million shares — equal to 7.95% of outstanding shares — as of September 30, 2025.
A total of 414 institutional investors currently hold AAON stock, with a combined institutional value of approximately $6.80 billion as of the most recent 13F filing period.
Frequently asked questions
AAON ownershipAAON, Inc. (AAON) is primarily owned by institutional investors, who hold approximately 88.9% of shares. The largest shareholder is VANGUARD GROUP INC with a 7.95% stake. Company insiders hold 16.72%. Data sourced from SEC Form 13F as of September 30, 2025.