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 Mar 31, 2025
Ownership Breakdown
388
Institutional Holders
▼ 40 vs Q4
$4.79B
Total Inst. Value
▼ $2.03B vs Q4
81.91M
Shares Outstanding
freeFloat 83.28%
61.36M
13F Shares Held
▲ 3.38M vs Q4
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
Q1 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 | 6.52M | 8.00% | 8.00% | $509.11B | May 9, 2025 | ▲ 276.7K |
BLACKROCK, INC. air-cond & warm air heatg equip & comm & indl refrig equip | 6.37M | 7.81% | 7.81% | $497.39B | May 2, 2025 | ▼ 712.4K |
JPMORGAN CHASE & CO air-cond & warm air heatg equip & comm & indl refrig equip | 2.95M | 3.61% | 3.61% | $230.10B | May 12, 2025 | ▼ 39.0K |
BLAIR WILLIAM & CO/IL air-cond & warm air heatg equip & comm & indl refrig equip | 2.18M | 2.67% | 2.67% | $170.14B | May 9, 2025 | ▲ 1.01M |
STATE STREET CORP air-cond & warm air heatg equip & comm & indl refrig equip | 2.06M | 2.53% | 2.53% | $161.17B | May 15, 2025 | ▲ 10.9K |
MORGAN STANLEY air-cond & warm air heatg equip & comm & indl refrig equip | 1.98M | 2.43% | 2.43% | $154.81B | May 15, 2025 | ▲ 624.3K |
GENEVA CAPITAL MANAGEMENT LLC air-cond & warm air heatg equip & comm & indl refrig equip | 1.90M | 2.33% | 2.33% | $148.27B | May 9, 2025 | ▲ 219.8K |
CONESTOGA CAPITAL ADVISORS, LLC air-cond & warm air heatg equip & comm & indl refrig equip | 1.89M | 2.32% | 2.32% | $147.58B | Apr 17, 2025 | ▼ 1.7K |
WASATCH ADVISORS LP air-cond & warm air heatg equip & comm & indl refrig equip | 1.76M | 2.16% | 2.16% | $137.39B | May 15, 2025 | ▲ 181.2K |
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC air-cond & warm air heatg equip & comm & indl refrig equip | 1.73M | 2.13% | 2.13% | $135.35B | May 14, 2025 | ▼ 663.1K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
28
Increased
+6.87M shares6
New Positions
first time holders15
Decreased
−3.25M shares0
Sold Out
fully exitedNet shares change (top 50)
+3.62M
+6.87M / −3.25M
Net new holders
+19
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 74.9% of total shares outstanding. Company insiders own approximately 16.72%, while retail and public investors account for the remaining 8.38%.
The largest institutional shareholder of AAON, Inc. is VANGUARD GROUP INC, holding approximately 6.52 million shares — equal to 8.00% of outstanding shares — as of March 31, 2025.
A total of 388 institutional investors currently hold AAON stock, with a combined institutional value of approximately $4.79 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 74.9% of shares. The largest shareholder is VANGUARD GROUP INC with a 8.00% stake. Company insiders hold 16.72%. Data sourced from SEC Form 13F as of March 31, 2025.