Atomera Incorporated vs Select Medical Holdings Corporation — how do they compare? Atomera Incorporated trades at $6.48 (market cap $247.40M), while Select Medical Holdings Corporation trades at $16.51 (market cap $2.05B). The key difference: Select Medical Holdings Corporation is far larger — about 8.3× Atomera Incorporated's market cap, and Select Medical Holdings Corporation pays a 1.51% dividend while Atomera Incorporated pays none. Which is the better fit depends on your goals.
| ATOM | SEM | |
|---|---|---|
Market Cap | $247.40M | $2.05B |
Sector | Technology | Health |
52-Week High | $12.11 | $16.66 |
52-Week Low | $1.99 | $11.77 |
Enterprise Value | $207.61M | $5.01B |
Dividend Yield | — | 1.51% |
Signals from Pluang's Aura AI — not financial advice
ATOM trades at $6.25, down 5.73% over 24 hours, reflecting a bearish technical outlook with negative earnings trends. The company reported a net loss of $20.17 million in 2025 on minimal revenue of $65,000, with profitability metrics deeply negative. Recent news highlights Atomera's focus on semiconductor technology advancements, including GaN-on-Silicon collaborations, but financial performance remains a significant concern.
The outlook is cautious due to persistent losses and weak revenue, though analyst consensus is unanimously bullish with a 100% buy rating. Key risks include execution challenges in monetizing technology and high cash burn. Upside depends on successful commercialization of its semiconductor IP, but current fundamentals suggest high volatility and substantial shareholder risk.
Select Medical Holdings (SEM) trades at $16.51, unchanged on the day, following its recent acquisition completion by a consortium led by Robert A. Ortenzio and Martin F. announced on June 30, 2026. The stock shows mixed signals with a bullish overall technical outlook but bearish moving averages, while fundamentals indicate modest profitability with a net income margin of 2.42% and a P/E ratio of 15.43. Recent earnings have been inconsistent, with Q1 2026 missing expectations.
The acquisition at $16.50 per share caps near-term upside, with legal investigations into board fiduciary duties posing reputational risks. Analyst sentiment is neutral with a 57.15% hold rating, reflecting uncertainty post-buyout. Investors face limited growth prospects amid stable revenues and margin pressures, emphasizing caution in the current holding pattern.
Trailing returns across standard periods
Atomera is a semiconductor materials engineering company. Its Mears Silicon Technology (MST) is a patented thin film that enhances transistor performance, power efficiency, and cost for global chip manufacturers.
Read more on ATOM →Select Medical Holdings Corporation is one of the largest operators of critical illness recovery hospitals, rehabilitation hospitals, outpatient rehabilitation clinics, and occupational health centers in the United States. The company's services focus on treating patients with serious illnesses, injuries, and post-acute care needs. SEM provides specialized care across various settings, aiming to help patients recover and return home.
Read more on SEM →