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Small Cap Steel
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
WS icon
1
Worthington Steel
WS
$1.7B
$1.7B $33.38 4.44%
SID icon
2
Companhia Siderúrgica Nacional
SID
$1.37B
$1.37B $1.03 5.4%
NWPX icon
3
NWPX Infrastructure Inc
NWPX
$1.07B
$1.07B $110.51 0.39%
MTUS icon
4
Metallus
MTUS
$776M
$776M $18.73 4.39%
ASTL icon
5
Algoma Steel
ASTL
$424M
$424M $4.01 13.8%
MSB
6
Mesabi Trust
MSB
$305M
$305M $23.26 2.15%
FRD icon
7
Friedman Industries
FRD
$303M
$303M $42.05 0.82%

Small Cap Steel Stocks at a Glance

Steel companies produce plate, sheet, structural steel, pipe, and stainless products. Earnings swing with steel prices against iron-ore, scrap, and energy costs; electric-arc minimills carry structural cost and flexibility advantages over blast furnaces, and trade policy shapes regional pricing.

There are 7 small cap Steel stocks — companies in the Steel industry with a market cap between $250M and $2B — worth a combined $5.94B.

The largest by market cap are Worthington Steel (WS) at $1.7B, Companhia Siderúrgica Nacional (SID) at $1.37B and NWPX Infrastructure Inc (NWPX) at $1.07B.

Among institutional investors, NWPX Infrastructure Inc (NWPX) drew the most net new fund positions in Q2 2026: 60 funds opened new positions, taking total fund holders up 40 (21%) quarter-over-quarter.

Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.