Alcoa Corp
Ownership
Ownership Structure
Who owns Alcoa Corp (AA)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.6% of the shares are freely tradable; institutional investors hold 84.2%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 11.11 | 29,315,742 | +3.3 | 06/30/2026 |
| FMR Inc | 6.44 | 16,996,106 | +32.2 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 4.92 | 12,995,948 | +2.8 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.52 | 11,926,055 | +1.3 | 06/30/2026 |
| Eagle Capital Management LLC | 4.50 | 11,879,807 | -15.7 | 06/30/2026 |
| State Street Corp | 4.12 | 10,875,945 | -0.1 | 06/30/2026 |
| Dimensional Fund Advisors, Inc. | 2.22 | 5,845,931 | -32.2 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.56 | 9,400,514 | +0.0 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.18 | 8,403,201 | +0.3 | 09/30/2026 |
| Vanguard Small Cap Index | 2.25 | 5,941,102 | -2.2 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Bacchi Renato | EVP & Chief Commercial Officer | 74,930 | 2,989,707 $ | Aug 31, 2026 | direct |
| Reed Matthew T | EVP, Chief Operations Officer | 71,770 | 2,863,623 $ | Jul 22, 2026 | direct |
| Jones Tammi A | EVP & CHRO | 39,819 | 1,588,778 $ | Aug 27, 2026 | direct |
| Hastings Andrew | EVP & Gen. Counsel | 36,445 | 1,454,156 $ | Sep 15, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | Hastings Andrew | EVP & Gen. Counsel | Other | 1,200 | 46.52 | 55,824 |
| Sep 15, 2026 | Hastings Andrew | EVP & Gen. Counsel | Other | 2,638 | 0.00 | – |
| Sep 15, 2026 | Hastings Andrew | EVP & Gen. Counsel | Other | 2,525 | 46.52 | 117,463 |
| Aug 31, 2026 | Bacchi Renato | EVP & Chief Commercial Officer | Sell | 700 | 51.02 | 35,714 |
| Aug 27, 2026 | Jones Tammi A | EVP & CHRO | Sell | 15,628 | 50.60 | 790,733 |
| Aug 17, 2026 | Hastings Andrew | EVP & Gen. Counsel | Sell | 6,000 | 50.90 | 305,412 |
| Jul 22, 2026 | Reed Matthew T | EVP, Chief Operations Officer | Sell | 4,600 | 46.82 | 215,372 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 2, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.