MetaCap

Alpha Tau Medical (DRTS) vs Inspire Medical Systems (INSP)

Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.

Summary

Alpha Tau Medical (DRTS) has outperformed Inspire Medical Systems (INSP) over the past year, gaining 235.7% versus a loss of 15.1%. Over five years, DRTS leads with a +41.6% price change compared with -72.8% for INSP. Inspire Medical Systems is the larger company by market cap ($1.93 billion vs $1.29 billion), about 1.5 times the size.

Summary generated from market data by MetaCap's automated system. Methodology

Relative performance

DRTS+235.73%INSP-15.09%
+288%+111%-65%
Oct 8, 20251 yearOct 8, 2026
DRTS+41.41%INSP-71.13%
+61%-14%-89%
Oct 4, 20215 yearsOct 5, 2026

Percent change in share price from the first common trading day shown; excludes dividends.

Head-to-head

DRTS versus INSP key metrics
MetricDRTSINSP
Share price$14.00$66.69
Market cap$1.29B$1.93B
1-day change-1.75%-1.13%
YTD return+182.83%-27.69%
1-year return+235.73%-15.09%
5-year return+41.56%-72.80%
P/E ratio (TTM)—14.69
Forward P/E—43.16
EPS (TTM)$-1.04$4.54
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
52-week high$15.79$147.03
52-week low$3.43$38.91
Distance from 52-week high-11.34%-54.64%
Analyst consensusnonehold
Avg. price target upside+27.14%-2.53%
Average volume569.88K799.27K
Shares outstanding92.48M28.91M
Employees1211,333
SectorHealth CareHealth Care
IndustryMedical/Dental InstrumentsMedical/Dental Instruments

Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.

Key differences

  • DRTS has outperformed INSP by 250.8 percentage points over the past year.

About Alpha Tau Medical

DRTS stock →

Alpha Tau Medical Ltd., a clinical-stage oncology therapeutics company, focuses on the research, development, and commercialization of diffusing alpha-emitters radiation therapy (Alpha DaRT) for the treatment of solid cancer. Its Alpha-DaRT technology is in clinical trials for various forms comprising skin, oral, pancreatic, prostate, lung, liver, and breast cancers; and preclinical clinical studies for mouse tumors and human-derived tumors.

Health Care · Medical/Dental Instruments · 121 employees

About Inspire Medical Systems

INSP stock →

Inspire Medical Systems, Inc., a medical technology company, focuses on the development and commercialization of minimally invasive solutions for patients with obstructive sleep apnea (OSA) in the United States and internationally. The company offers Inspire system, a neurostimulation technology that provides a safe and effective treatment for patients with moderate to severe OSA.

Health Care · Medical/Dental Instruments · 1,333 employees

DRTS vs INSP FAQ

Which is bigger, Alpha Tau Medical or Inspire Medical Systems?

Inspire Medical Systems (INSP) is larger, with a market capitalization of $1.93B compared with $1.29B for Alpha Tau Medical (DRTS).

Which stock has performed better over the past year, DRTS or INSP?

DRTS returned +235.73% over the past 12 months, compared with -15.09% for INSP (price return, excluding dividends). Past performance does not predict future results.

Are Alpha Tau Medical and Inspire Medical Systems in the same industry?

Yes. Both are classified in the Medical/Dental Instruments industry within the Health Care sector.

More comparisons