Aluminum
Stocks Ranked by
Market Capitalization
| # | Name | Market cap | Price |
Price change % |
|
|---|---|---|---|---|---|
| 1 |
1
Alcoa
AA
$13.5B
| $13.5B | $51.28 | 3.83% |
|
| 2 |
2
Century Aluminum
CENX
$4.38B
| $4.38B | $44.20 | 1.24% |
|
| 3 |
3
Constellium
CSTM
$3.67B
| $3.67B | $27.08 | 1.69% |
|
| 4 |
4
Kaiser Aluminum
KALU
$2.51B
| $2.51B | $153.80 | 0.85% |
|
Aluminum Stocks at a Glance
Aluminum companies smelt, refine, and distribute aluminum and related products. Smelting is energy-intensive, so power costs and global capacity set the cost curve, with demand tied to transportation, construction, and packaging markets.
There are 4 Aluminum industry stocks tracked by Wall St. Rank, worth a combined $24.1B.
The largest by market cap are Alcoa (AA) at $13.5B, Century Aluminum (CENX) at $4.38B and Constellium (CSTM) at $3.67B.
Among institutional investors, Constellium (CSTM) drew the most net new fund positions in Q2 2026: 110 funds opened new positions, taking total fund holders up 73 (23%) quarter-over-quarter.
- Combined market cap: $24.1B across 4 stocks.
- Largest constituent: Alcoa (AA), $13.5B market cap.
- Most net new fund positions in Q2 2026: Constellium (CSTM), +73 holders.
Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.