Micro Cap
Building Materials
Stocks Ranked by
Market Capitalization
| Name | Market cap | Price |
Price change % |
|
|---|---|---|---|---|
|
GRO
1
Brazil Potash Corp
GRO
$157M
| $157M | $2.54 | 2.83% |
|
2
Smith-Midland
SMID
$146M
| $146M | $27.50 | 0.69% |
|
3
ReTo Eco-Solutions
RETO
$14M
| $14M | $1.65 | 4.43% |
|
|
CAPS
4
Capstone Holding Corp
CAPS
$3.87M
| $3.87M | $0.1882 | 0.42% |
|
Micro Cap Building Materials Stocks at a Glance
Building materials companies produce cement, concrete, aggregates, brick, and gypsum (finished building products are classified separately). Heavy products travel poorly, giving local scale and quarry reserves pricing power, with demand split between public infrastructure spending and private construction.
There are 4 micro cap Building Materials stocks — companies in the Building Materials industry with a market cap under $250M — worth a combined $321M.
The largest by market cap are Brazil Potash Corp (GRO) at $157M, Smith-Midland (SMID) at $146M and ReTo Eco-Solutions (RETO) at $14M.
Among institutional investors, Capstone Holding Corp (CAPS) drew the most net new fund positions in Q2 2026: 7 funds opened new positions, taking total fund holders up 2 (29%) quarter-over-quarter.
- Combined market cap: $321M across 4 stocks.
- Micro Cap: market cap under $250M.
- Largest constituent: Brazil Potash Corp (GRO), $157M market cap.
- Most net new fund positions in Q2 2026: Capstone Holding Corp (CAPS), +2 holders.
Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.