Alcoa
AA · NYSE
Who owns AA
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 43.6% of AA’s shares.
- BlackRock Institutional Trust Company, N.A.8.8%
- Fidelity Management & Research Company LLC6.2%
- Vanguard Portfolio Management, LLC4.9%
- Allan Gray Australia Pty Ltd4.6%
- Next 6 largest institutions19.1%
- All other shareholders56.4%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 23.18M | 8.78% |
| Fidelity Management & Research Company LLC | 16.45M | 6.23% |
| Vanguard Portfolio Management, LLC | 13.00M | 4.92% |
| Allan Gray Australia Pty Ltd | 12.09M | 4.58% |
| Vanguard Capital Management, LLC | 11.93M | 4.52% |
| Eagle Capital Management L.L.C. | 11.88M | 4.50% |
| State Street Investment Management (US) | 10.88M | 4.12% |
| Dimensional Fund Advisors, L.P. | 5.85M | 2.22% |
| Geode Capital Management, L.L.C. | 5.83M | 2.21% |
| AQR Capital Management, LLC | 4.09M | 1.55% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Mid-Cap ETF | 9.24M | 3.50% |
| Vanguard Total Stock Market Index Fund | 8.41M | 3.19% |
| Vanguard Small-Cap Index Fund | 6.06M | 2.30% |
| Vanguard Small-Cap Value Index Fund | 3.85M | 1.46% |
| Fidelity OTC Portfolio | 3.68M | 1.40% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $1.35M (4 trades) of AA on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Hastings Andrew | Tax withholding | 1.20K | $55.82K |
| Hastings Andrew | Award | 2.64K | — |
| Hastings Andrew | Tax withholding | 2.52K | $117.46K |
| Bacchi Renato | Sale | 700 | $35.71K |
| Jones Tammi A | Sale | 15.63K | $790.73K |
| Hastings Andrew | Sale | 6.00K | $305.41K |
| Reed Matthew T | Sale | 4.60K | $215.37K |
| Roberts Jackson Prince | Award | 2.53K | — |
| Gorman Thomas Joseph | Award | 2.53K | — |
| Galovich Brian | Award | 2.53K | — |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Michael McCaulHouse | Sale | $1K–$15K | Jan 13, 2026 |
| Michael McCaulHouse | Sale | $15K–$50K | Oct 27, 2025 |
Short interest
Settled Sep 30, 2026
- Shares short
- 11.73M
- Days to cover
- 2.85
- % of shares outstanding
- 4.44%
- Average daily volume
- 4.11M
- Change since last report
- −2.2%
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