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Micro Cap Materials
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
WOOD icon
1
iShares Global Timber & Forestry ETF
WOOD
$249M
$249M $65.85 0.03%
URG icon
2
Ur-Energy
URG
$244M
$244M $0.6131 0.87%
METCB icon
3
Ramaco Resources Class B
METCB
$239M
$239M $3.75 8.76%
CLW icon
4
Clearwater Paper
CLW
$235M
$235M $14.56 4.22%
COPP icon
5
Sprott Copper Miners ETF
COPP
$233M
$233M $34.82 2.25%
OEC icon
6
Orion
OEC
$226M
$226M $3.99 0.5%
MSB icon
7
Mesabi Trust
MSB
$213M
$213M $16.23 5.42%
PHOS icon
8
First Phosphate Corp
PHOS
$211M
$211M $11.09 3.57%
CMT icon
9
Core Molding Technologies
CMT
$190M
$190M $22.17 5.18%
HDSN icon
10
Hudson Technologies
HDSN
$185M
$185M $4.40 0.68%
SBMT icon
11
Silver Bow Mining Corp
SBMT
$184M
$184M $6.22 0.8%
RSPM icon
12
Invesco S&P 500 Equal Weight Materials ETF
RSPM
$182M
$182M $39.86 0.18%
GOAU icon
13
US Global GO Gold and Precious Metal Miners ETF
GOAU
$178M
$178M $40.19 0.67%
TII icon
14
Titan Mining Corp
TII
$176M
$176M $1.78 5.82%
USAU icon
15
US Gold Corp
USAU
$176M
$176M $10.63 1.3%
GMTL icon
16
Guardian Metal Resources
GMTL
$169M
$169M $4.25 1.16%
IONR icon
17
Ioneer
IONR
$168M
$168M $2.18 5.63%
MINE icon
18
Mayfair Gold Corp
MINE
$161M
$161M $2.32 1.75%
AMRO
19
Amaero Inc. Common Stock
AMRO
$160M
$160M $5.50 14.1%
GLDG icon
20
GoldMining Inc
GLDG
$157M
$157M $0.7308 0.31%
GBUG icon
21
Sprott Active Gold & Silver Miners ETF
GBUG
$157M
$157M $41.64 0.36%
BMMX icon
22
Black Mammoth Metals Corporation Common Shares
BMMX
$147M
$147M $2.73 2.5%
SLX icon
23
VanEck Steel ETF
SLX
$147M
$147M $97.28 1.64%
GDMN icon
24
WisdomTree Efficient Gold Plus Gold Miners Strategy Fund
GDMN
$142M
$142M $67.58 0.32%
MNTK icon
25
Montauk Renewables
MNTK
$136M
$136M $0.9542 7.36%
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Micro Cap Materials Stocks at a Glance

Materials companies turn raw resources into the building blocks of industry — chemicals, metals, mined ores, construction materials, paper, and packaging. As price-takers on global commodity markets, their earnings swing with industrial demand and supply cycles; cost position and capacity discipline decide who compounds through the cycle.

There are 123 micro cap Materials stocks — companies in the Materials sector with a market cap under $250M — worth a combined $8.63B.

The largest by market cap are iShares Global Timber & Forestry ETF (WOOD) at $249M, Ur-Energy (URG) at $244M and Ramaco Resources Class B (METCB) at $239M.

Among institutional investors, Silver Bow Mining Corp (SBMT) drew the most net new fund positions in Q2 2026: 39 funds opened new positions.

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