A. O. Smith Corporation (AOS) Ownership
AOS ownership summary
as of October 18, 2026- Institutions
- 117.0% of shares outstanding
- Insiders
- 0.46% of shares outstanding
- Shares outstanding
- 110.0M
- Float
- 108.3M shares available to trade
- Short interest
- 12.15% 11.6M shares short
- Days to cover
- 7.86 short interest up 10.3% vs prior month
- Institutions 116.96%
- Insiders 0.46%
AOS top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | FMR Inc | 7.67% | 10.4M | $616.9M | +2.5M (+31.4%) | June 30, 2026 |
| 2 | BlackRock Inc | 5.93% | 8.1M | $477.1M | +699,610 (+9.5%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 5.36% | 7.3M | $431.5M | −47,139 (−0.6%) | June 30, 2026 |
| 4 | Vanguard Portfolio Management, LLC | 5.19% | 7.1M | $417.6M | −47,925 (−0.7%) | June 30, 2026 |
| 5 | State Street Corp | 4.84% | 6.6M | $389.8M | +822,555 (+14.3%) | June 30, 2026 |
| 6 | Amvescap Plc. | 4.07% | 5.5M | $327.8M | +805,866 (+17.0%) | June 30, 2026 |
| 7 | American Century Companies Inc | 3.48% | 4.7M | $279.9M | +511,172 (+12.1%) | June 30, 2026 |
| 8 | Geode Capital Management, LLC | 2.75% | 3.7M | $221.0M | −207,786 (−5.3%) | June 30, 2026 |
| 9 | Impax Asset Management Group PLC | 2.07% | 2.8M | $166.6M | −1.5M (−34.2%) | June 30, 2026 |
| 10 | Morgan Stanley - Brokerage Accounts | 2.00% | 2.7M | $160.9M | −862,541 (−24.1%) | June 30, 2026 |
| 11 | ProShare Advisors LLC | 1.84% | 2.5M | $148.3M | +194,985 (+8.4%) | June 30, 2026 |
| 12 | UBS Group AG | 1.82% | 2.5M | $146.5M | +1.6M (+168.4%) | June 30, 2026 |
| 13 | First Trust Advisors L.P. | 1.69% | 2.3M | $136.3M | +132,395 (+6.1%) | June 30, 2026 |
| 14 | Dimensional Fund Advisors, Inc. | 1.50% | 2.0M | $120.6M | +75,947 (+3.9%) | June 30, 2026 |
| 15 | Earnest Partners LLC | 1.45% | 2.0M | $116.8M | −55,707 (−2.7%) | June 30, 2026 |
| 16 | Bank of America Corp | 1.14% | 1.6M | $91.8M | −137,777 (−8.2%) | June 30, 2026 |
| 17 | 1832 Asset Management L.P | 1.08% | 1.5M | $86.9M | +222,000 (+17.8%) | June 30, 2026 |
| 18 | Madison Asset Management, LLC | 1.08% | 1.5M | $86.9M | +324,318 (+28.4%) | June 30, 2026 |
| 19 | NORGES BANK | 1.07% | 1.5M | $86.1M | +2,742 (+0.2%) | June 30, 2026 |
| 20 | Bank of New York Mellon Corp | 1.05% | 1.4M | $84.3M | −1,574 (−0.1%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 7.8M shares and 8 cut 2.8M.
AOS top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 2.61% | 3.5M | $209.9M | −15,158 (−0.4%) | August 31, 2026 |
| 2 | Invesco S&P 500® Equal Weight ETF | 2.49% | 3.4M | $200.3M | −7,030 (−0.2%) | September 30, 2026 |
| 3 | Vanguard 500 Index Investor | 2.13% | 2.9M | $171.2M | −84,431 (−2.8%) | September 30, 2026 |
| 4 | ProShares S&P 500 Dividend Aristocrats | 2.04% | 2.8M | $164.2M | — | September 30, 2026 |
| 5 | Vanguard Small Cap Index | 1.82% | 2.5M | $146.8M | −98,786 (−3.8%) | September 30, 2026 |
| 6 | Fidelity Dividend Growth | 1.51% | 2.0M | $121.1M | — | August 31, 2026 |
| 7 | Vanguard Equity-Income Inv | 1.14% | 1.6M | $91.9M | — | June 30, 2026 |
| 8 | First Trust SMID Cp Rising Div Achv ETF | 1.10% | 1.5M | $88.9M | — | September 30, 2026 |
| 9 | iShares Core S&P 500 ETF | 1.08% | 1.5M | $86.8M | −2,368 (−0.2%) | September 30, 2026 |
| 10 | Fidelity 500 Index | 1.07% | 1.5M | $86.1M | +5,612 (+0.4%) | August 31, 2026 |
| 11 | BNP Paribas Aqua C C | 1.04% | 1.4M | $83.6M | −200 (−0.0%) | August 31, 2026 |
| 12 | Strategic Advisers Fidelity US TtlStk | 1.04% | 1.4M | $83.5M | +4,363 (+0.3%) | August 31, 2026 |
| 13 | BNP Paribas Aqua I | 1.03% | 1.4M | $83.0M | −126 (−0.0%) | August 31, 2026 |
| 14 | Vanguard MStar Small Cap Growth Indx Inv | 1.01% | 1.4M | $81.7M | −98,968 (−6.7%) | September 30, 2026 |
| 15 | State Street® SPDR® S&P 500® ETF | 1.01% | 1.4M | $81.5M | — | September 30, 2026 |
| 16 | Fidelity Capital Appreciation | 0.97% | 1.3M | $78.2M | −15,000 (−1.1%) | August 31, 2026 |
| 17 | Scotia Wealth US Dividend Pool K | 0.89% | 1.2M | $71.3M | — | June 30, 2026 |
| 18 | State Street® SPDR® S&P® Dividend ETF | 0.79% | 1.1M | $63.9M | — | September 30, 2026 |
| 19 | Fidelity Series Large Cap Stock | 0.77% | 1.0M | $61.6M | +24,700 (+2.4%) | August 31, 2026 |
| 20 | American Century Focused Lg Cap Val Inv | 0.73% | 990K | $58.6M | +11,500 (+1.2%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
AOS insider transactions
latest 4| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-04 | Darrell W Schuh | Sell | $74.39 | 1,104 | $82,127 |
| 2026-02-13 | Darrell W Schuh | Sell | $79.89 | 356 | $28,441 |
| 2025-09-25 | Julie Johnson | Sell | $71.42 | — | — |
| 2025-07-30 | Kevin J Wheeler | Sell | $71.26 | 22,200 | $1.6M |
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.
AOS shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns AOS
Institutional investors own 117.0% of A. O. Smith's shares and insiders 0.46%. The largest holder is FMR Inc with 7.67% of the shares (10.4M), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 8 reduced their stake in the latest filings. Short interest is 12.15% of the float, or 7.86 days of average trading volume. The share count fell 22.4% since 2014.
Related: AOS analyst forecast, AOS key metrics, AOS dividend history. See the AOS stock overview for the latest quote and news.
AOS ownership FAQ
Who owns the most A. O. Smith stock?
The largest shareholders of A. O. Smith are FMR Inc (7.67%), BlackRock Inc (5.93%), Vanguard Capital Management, LLC (5.36%), Vanguard Portfolio Management, LLC (5.19%), State Street Corp (4.84%).
What percentage of A. O. Smith is owned by institutions?
Institutions hold 117.0% of A. O. Smith's shares outstanding; insiders hold 0.46%.
Which funds own A. O. Smith?
The largest fund holders of A. O. Smith are Vanguard MStar Total Stk Mkt Idx Invest (2.61%), Invesco S&P 500® Equal Weight ETF (2.49%), Vanguard 500 Index Investor (2.13%), ProShares S&P 500 Dividend Aristocrats (2.04%), Vanguard Small Cap Index (1.82%).
What is A. O. Smith's short interest?
11.6M shares of A. O. Smith were sold short, 12.15% of the float; at the average daily volume it would take 7.86 days to cover.
Are insiders buying or selling A. O. Smith?
Of the latest 4 reported insider transactions in A. O. Smith (since July 30, 2025), 0 were purchases and 4 were sales.
How many shares of A. O. Smith are outstanding?
A. O. Smith has 110.0M shares outstanding, of which 108.3M are in the public float.