NASDAQ · ATOMTechnologySemiconductors

Atomera Incorporated Common Stock (ATOM)

$2.86−6.23%
Close Nov 4, 2026 · split-adjusted
Nov 4, 2026$2.86▲ 0.70% in range
Nov 4, 2025Low $1.99 · High $12.11Nov 4, 2026
What changed · written from our data
As of Nov 4, 2026

Atomera Incorporated closed at $2.86 on Nov 4, down 6.23%, 76.4% below its 52-week closing high. Volume of 708.5K shares was 0.93× its 20-day average (close to normal).

Split-adjusted performance: -35.9% over one month, -68.7% over six months, -0.3% over one year.

Short interest was 6.2M shares at the Oct 15 settlement, down 1.3% from the prior report (17.4% of float, 11.2 days to cover).

Market cap$111.8M39.1M shares
Revenue · quarter$0.00−100.0% YoY
Diluted EPS$-0.15—
P/E · TTM—P/S 510.4×
Net margin—
Dividend yieldNone
52-week range1.99 – 12.11−76.4% from high
Volume708.5K0.93× 20-day avg
Volatility · 60d60.6%Annualised
Short % of float17.4%11.3 days to cover
Net cash$34.6MCash $34.8M
Next earnings—Not scheduled
Split-adjusted performance
1W −5.0%1M −35.9%3M −46.2%6M −68.7%YTD +29.4%1Y −0.3%3Y −53.6%5Y −86.8%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Semiconductors

Percentile among 83 companies (100 = best)

6-month momentum6
Revenue growth0
Net margin—
Value (low P/E)—
Size14

Industry medians: 6-month return −31.2%, revenue growth +24.6%, net margin 8.1%, P/E 46.8×.

Short interest

Details →
Shares short6.2M−1.3% vs prior
Days to cover11.3Settled Oct 15
% of float17.4%
Short vol. 10d59.2%of daily volume

Closest peers by size in Semiconductors

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
ATOMAtomera Incorporated$2.86−6.23%−68.7%−100.0%——$111.8M
GCTSGCT Semiconductor Holding$1.14+6.54%−25.0%−17.9%−2098.7%—$104.8MCompare
GSITGSI Technology$3.64−4.21%−58.6%+0.5%−75.9%—$139.9MCompare
ALMUAeluma$7.26−3.20%−74.5%−55.8%−689.5%—$140.2MCompare
QUIKQuickLogic$8.26−1.20%−55.5%+48.7%−16.2%—$151.3MCompare
TYGOTigo Energy$0.9967+8.91%−77.7%+5.6%8.6%7.7$76.5MCompare
KULRKULR Technology Group$1.63−0.61%−42.8%−43.0%−1056.2%—$75.4MCompare
MXMagnachip Semiconductor$2.41−4.37%−38.8%−6.1%−10.8%—$179.7MCompare
MRAMEverspin Technologies$13.03−3.84%−39.6%+41.9%−19.2%—$318.2MCompare

Quick answers

What does Atomera Incorporated do?
Atomera Inc is engaged in the business of developing, commercializing, and licensing proprietary processes and technologies for the semiconductor industry. The company's technology, named Mears Silicon Technology, or MST, is a thin film of re-engineered silicon, typically 100 to 300 angstroms (or approximately 20 to 60 silicon atomic unit cells) thick.
What is ATOM's market cap?
$111.78M, based on the Nov 4 close of $2.86.
Does Atomera Incorporated pay a dividend?
No regular cash dividend has been paid in the last year.
How much of ATOM is sold short?
6.2M shares, 17.4% of float, as of Oct 15, 2026.
What sector is ATOM in?
Technology, in the Semiconductors industry.

About Atomera Incorporated

Atomera Inc is engaged in the business of developing, commercializing, and licensing proprietary processes and technologies for the semiconductor industry. The company's technology, named Mears Silicon Technology, or MST, is a thin film of re-engineered silicon, typically 100 to 300 angstroms (or approximately 20 to 60 silicon atomic unit cells) thick. MST can be applied as a transistor channel enhancement to CMOS-type transistors, the majority of widely used in the semiconductor industry. The company's silicon technology can be used for applications like Analog, DRAM, logic, processors, and SRAM. Geographically, it generates maximum revenue from North America.

HQ: Los Gatos, CA21 employeesListed Aug 5, 2016atomera.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology