Micro Cap Solar
Stocks Ranked by
Market Capitalization
| # | Name | Market cap | Price |
Price change % |
|
|---|---|---|---|---|---|
| 1 |
1
TOYO Co
TOYO
$171M
| $171M | $4 | 2.91% |
|
| 2 |
2
SunPower Inc
SPWR
$78.8M
| $78.8M | $0.2460 | 6.36% |
|
| 3 |
3
Tigo Energy
TYGO
$63.3M
| $63.3M | $0.8246 | 1.4% |
|
| 4 |
4
PN Smart Energy Ltd
PN
$33.3M
| $33.3M | $2.25 | 0.9% |
|
| 5 |
5
FTC Solar
FTCI
$26.6M
| $26.6M | $1.61 | 3.01% |
|
| 6 |
6
Spruce Power Holding Corp
SPRU
$25.2M
| $25.2M | $1.31 | 10.3% |
|
| 7 |
7
Solarmax Technology
SMXT
$23.3M
| $23.3M | $4.91 | 4.84% |
|
| 8 |
8
Beam Global
BEEM
$20.2M
| $20.2M | $0.8928 | 6.94% |
|
| 9 |
9
Ascent Solar Technologies
ASTI
$18.2M
| $18.2M | $1.85 | 2.12% |
|
| 10 |
10
SUNation Energy
SUNE
$13.4M
| $13.4M | $2.05 | 5.09% |
|
| 11 |
11
Zeo Energy
ZEO
$11.9M
| $11.9M | $0.2550 | 5.9% |
|
| 12 |
12
Turbo Energy
TURB
$10.9M
| $10.9M | $0.8704 | 2.11% |
|
Micro Cap Solar Stocks at a Glance
Solar companies design, make, and install solar power systems and components. Demand rides falling equipment costs, energy policy, and utility procurement cycles, while module pricing and interest rates — which set project economics — drive the sharp swings.
There are 12 micro cap Solar stocks — companies in the Solar industry with a market cap under $250M — worth a combined $496M.
The largest by market cap are TOYO Co (TOYO) at $171M, SunPower Inc (SPWR) at $78.8M and Tigo Energy (TYGO) at $63.3M.
Among institutional investors, TOYO Co (TOYO) drew the most net new fund positions in Q2 2026: 41 funds opened new positions, taking total fund holders up 34 (243%) quarter-over-quarter.
- Combined market cap: $496M across 12 stocks.
- Micro Cap: market cap under $250M.
- Largest constituent: TOYO Co (TOYO), $171M market cap.
- Most net new fund positions in Q2 2026: TOYO Co (TOYO), +34 holders.
Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.