Alcoa Corporation
Alcoa Corporation (AA) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · AA · as of Sep 30, 2025
Ownership Breakdown
577
Institutional Holders
▲ 51 vs Q2
$6.12B
Total Inst. Value
▲ $626.78M vs Q2
263.89M
Shares Outstanding
freeFloat 99.45%
184.97M
13F Shares Held
▼ 1.25M vs Q2
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
AA largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC primary production of aluminum | 25.20M | 9.73% | 9.73% | $828.77B | Nov 7, 2025 | ▼ 330.4K |
BLACKROCK, INC. primary production of aluminum | 23.83M | 9.21% | 9.21% | $783.74B | Nov 12, 2025 | ▼ 491.5K |
EAGLE CAPITAL MANAGEMENT LLC primary production of aluminum | 16.39M | 6.33% | 6.33% | $539.21B | Nov 14, 2025 | ▼ 52.5K |
STATE STREET CORP primary production of aluminum | 11.46M | 4.43% | 4.43% | $376.87B | Nov 14, 2025 | ▲ 721.1K |
DIMENSIONAL FUND ADVISORS LP primary production of aluminum | 11.12M | 4.30% | 4.30% | $365.71B | Nov 12, 2025 | ▲ 1.32M |
GEODE CAPITAL MANAGEMENT, LLC primary production of aluminum | 6.31M | 2.44% | 2.44% | $226.69B | Nov 12, 2025 | ▲ 1.67M |
L1 CAPITAL PTY LTD primary production of aluminum | 5.89M | 2.27% | 2.27% | $219.73B | Nov 14, 2025 | ▲ 1.07M |
MORGAN STANLEY primary production of aluminum | 4.93M | 1.91% | 1.91% | $162.28B | May 27, 2026 | ▼ 741.8K |
JPMORGAN CHASE & CO primary production of aluminum | 4.22M | 1.63% | 1.63% | $138.82B | Nov 26, 2025 | ▲ 185.2K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP primary production of aluminum | 3.39M | 1.31% | 1.31% | $111.49B | Nov 14, 2025 | ▲ 467.6K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
34
Increased
+18.32M shares0
New Positions
first time holders15
Decreased
−7.96M shares0
Sold Out
fully exitedNet shares change (top 50)
+10.36M
+18.32M / −7.96M
Net new holders
+19
0 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
AA insider trading · insider activity
Source: SEC Form 4
1
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 |
|---|---|---|---|---|---|---|---|
Roberts Jackson Prince director | May 8, 2026 | Award | 2,532 | — | — | 19.7K | Form 4 ↗ |
Roberts Carol L director | May 8, 2026 | Award | 2,532 | — | — | 53.6K | Form 4 ↗ |
de Oliveira Marques Roberto director | May 8, 2026 | Award | 2,532 | — | — | 15.8K | Form 4 ↗ |
HUGHES JAMES ALTON director | May 8, 2026 | Award | 2,532 | — | — | 53.6K | Form 4 ↗ |
Gorman Thomas Joseph director | May 8, 2026 | Award | 2,532 | — | — | 23.3K | Form 4 ↗ |
Galovich Brian director | May 8, 2026 | Award | 2,532 | — | — | 2.5K | Form 4 ↗ |
Fiore Pasquale director | May 8, 2026 | Award | 2,532 | — | — | 40.8K | Form 4 ↗ |
Field Alistair director | May 8, 2026 | Award | 2,532 | — | — | 12.2K | Form 4 ↗ |
Citrino Mary Anne director | May 8, 2026 | Award | 2,532 | — | — | 56.7K | Form 4 ↗ |
Bevan John A director | May 8, 2026 | Award | 2,532 | — | — | 12.2K | 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
Alcoa Corporation (AA) is primarily owned by institutional investors, who hold approximately 70.1% of total shares outstanding. Company insiders own approximately 0.55%, while retail and public investors account for the remaining 29.36%.
The largest institutional shareholder of Alcoa Corporation is VANGUARD GROUP INC, holding approximately 25.20 million shares — equal to 9.73% of outstanding shares — as of September 30, 2025.
A total of 577 institutional investors currently hold AA stock, with a combined institutional value of approximately $6.12 billion as of the most recent 13F filing period.
Frequently asked questions
AA ownershipAlcoa Corporation (AA) is primarily owned by institutional investors, who hold approximately 70.1% of shares. The largest shareholder is VANGUARD GROUP INC with a 9.73% stake. Company insiders hold 0.55%. Data sourced from SEC Form 13F as of September 30, 2025.