AAON, Inc. (AAON) Ownership

NASDAQ: AAONTop holders, insider trades and short interest.

AAON ownership summary

as of October 18, 2026
Institutions
86.5%
of shares outstanding
Insiders
16.73%
of shares outstanding
Shares outstanding
82.5M
Float
68.8M
shares available to trade
Short interest
8.16%
5.6M shares short
Days to cover
4.69
short interest up 15.0% vs prior month
  • Institutions 86.50%
  • Insiders 16.73%

AAON top institutional holders

20 largest
AAON, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc8.11%6.7M$493.0M+125,819 (+1.9%)June 30, 2026
2Wellington Management Company LLP7.00%5.8M$425.6M−2.2M (−27.6%)June 30, 2026
3Vanguard Capital Management, LLC3.79%3.1M$230.2M+22,650 (+0.7%)June 30, 2026
4Vanguard Portfolio Management, LLC3.56%2.9M$216.7M+30,745 (+1.1%)June 30, 2026
5State Street Corp3.18%2.6M$193.6M+562,926 (+27.3%)June 30, 2026
6Wasatch Advisors LP2.84%2.3M$172.4M+70,399 (+3.1%)June 30, 2026
7First Trust Advisors L.P.1.92%1.6M$116.4M−434,043 (−21.6%)June 30, 2026
8Blair William & Co1.86%1.5M$113.1M−88,769 (−5.5%)June 30, 2026
9Geode Capital Management, LLC1.74%1.4M$105.7M+6,136 (+0.4%)June 30, 2026
10Dimensional Fund Advisors, Inc.1.64%1.4M$99.8M−31,876 (−2.3%)June 30, 2026
11Geneva Capital Management1.46%1.2M$88.5M−520,789 (−30.2%)June 30, 2026
12Morgan Stanley - Brokerage Accounts1.36%1.1M$82.7M−132,990 (−10.6%)June 30, 2026
13Capital World Investors1.34%1.1M$81.3M−161,535 (−12.8%)June 30, 2026
14Franklin Templeton Inc1.24%1.0M$75.5M−195,305 (−16.0%)June 30, 2026
15Conestoga Capital Advisors, LLC1.23%1.0M$74.9M−254,412 (−20.0%)June 30, 2026
16Jane Street Group LLC1.18%974K$71.8M+964,600 (+10,335.4%)June 30, 2026
17Fuller & Thaler Asset Management Inc1.11%918K$67.7M+917,551 (0.0%)June 30, 2026
18Pictet Asset Manangement SA1.07%884K$65.2M+212,528 (+31.7%)June 30, 2026
19Kayne Anderson Rudnick Investment Management LLC1.07%879K$64.8M−185,195 (−17.4%)June 30, 2026
20Mawer Investment Management Ltd1.04%855K$63.1M+6,590 (+0.8%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 10 holders added 2.9M shares and 10 cut 4.2M.

AAON top mutual fund and ETF holders

20 largest
AAON, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1iShares Core S&P Mid-Cap ETF2.99%2.5M$181.9M−876 (−0.0%)September 30, 2026
2Vanguard MStar Total Stk Mkt Idx Invest2.69%2.2M$163.3M−2,561 (−0.1%)August 31, 2026
3First Trust RBA Amer Indl RenaisTM ETF2.27%1.9M$137.9M+1,080 (+0.1%)September 30, 2026
4Vanguard Small Cap Index1.91%1.6M$116.2M−26,369 (−1.6%)September 30, 2026
5Vanguard Explorer Inv1.24%1.0M$75.6M−697,040 (−40.5%)June 30, 2026
6Pictet - Global Envir Opps I USD1.23%1.0M$75.0M+113,034 (+12.5%)August 31, 2026
7Vanguard MStar Small Cap Growth Indx Inv1.07%879K$64.8M−41,279 (−4.5%)September 30, 2026
8Wasatch Core Growth0.98%811K$59.8M+181,233 (+28.8%)June 30, 2026
9American Funds SMALLCAP World A0.93%770K$56.8M−291,276 (−27.4%)September 30, 2026
10Baron Real Estate Institutional0.80%664K$48.9M+335,700 (+102.4%)September 30, 2026
11State Street® SPDR® S&P MIDCAP 400® ETF0.62%512K$37.8M+14,914 (+3.0%)September 30, 2026
12Franklin Small-Mid Cap Growth A0.61%502K$37.0M—August 31, 2026
13Columbia Small Cap Growth Inst0.55%449K$33.1M—August 31, 2026
14Spyglass Growth Institutional0.51%418K$30.8M−86,823 (−17.2%)June 30, 2026
15iShares S&P Mid-Cap 400 Growth ETF0.48%399K$29.4M−426 (−0.1%)September 30, 2026
16Conestoga Small Cap Investors0.46%382K$28.2M−38,815 (−9.2%)August 31, 2026
17iShares Russell Mid-Cap Growth ETF0.46%382K$28.1M−408 (−0.1%)September 30, 2026
18Franklin Small Cap Growth Adv0.44%367K$27.0M—August 31, 2026
19State Street SPDR Port S&P 400 Md CpETF0.44%367K$27.0M−512 (−0.1%)September 30, 2026
20Schwab US Small-Cap ETF™0.44%365K$26.9M+243 (+0.1%)September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

AAON insider transactions

latest 13
AAON, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-04-23Rebecca ThompsonSell$100.107,292$729,929
2026-04-21Rebecca ThompsonSell$100.112,287$228,952
2026-03-12Casey KidwellSell$90.005,225$470,250
2025-12-12Stephen E WakefieldBuy$77.594,141$321,300
2025-12-11Stephen E WakefieldBuy$82.251,000$82,250
2025-11-12Gary D FieldsSell$105.143,553$373,562
2025-11-11Gary D FieldsSell$105.2126,746$2.8M
2025-09-04Rebecca ThompsonSell$81.099,350$758,192
2025-08-25Christopher Douglas EasonSell$85.0812,003$1.0M
2025-05-20Gordon Douglas WichmanSell$104.4821,302$2.2M
2025-05-19Gordon Douglas WichmanSell$105.753,975$420,356
2025-05-08Gary D FieldsSell$98.668,357$824,502
2025-05-06Gary D FieldsSell$98.2037,189$3.7M

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

AAON shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns AAON

Institutional investors own 86.5% of AAON's shares and insiders 16.73%. The largest holder is BlackRock Inc with 8.11% of the shares (6.7M), as of June 30, 2026. Among the top 20 institutions, 10 added shares and 10 reduced their stake in the latest filings. Short interest is 8.16% of the float, or 4.69 days of average trading volume. The share count rose 1.1% since 2014.

Related: AAON analyst forecast, AAON key metrics, AAON dividend history. See the AAON stock overview for the latest quote and news.

AAON ownership FAQ

Who owns the most AAON stock?

The largest shareholders of AAON are BlackRock Inc (8.11%), Wellington Management Company LLP (7.00%), Vanguard Capital Management, LLC (3.79%), Vanguard Portfolio Management, LLC (3.56%), State Street Corp (3.18%).

What percentage of AAON is owned by institutions?

Institutions hold 86.5% of AAON's shares outstanding; insiders hold 16.73%.

Which funds own AAON?

The largest fund holders of AAON are iShares Core S&P Mid-Cap ETF (2.99%), Vanguard MStar Total Stk Mkt Idx Invest (2.69%), First Trust RBA Amer Indl RenaisTM ETF (2.27%), Vanguard Small Cap Index (1.91%), Vanguard Explorer Inv (1.24%).

What is AAON's short interest?

5.6M shares of AAON were sold short, 8.16% of the float; at the average daily volume it would take 4.69 days to cover.

Are insiders buying or selling AAON?

Of the latest 13 reported insider transactions in AAON (since May 6, 2025), 2 were purchases and 11 were sales.

How many shares of AAON are outstanding?

AAON has 82.5M shares outstanding, of which 68.8M are in the public float.

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