NASDAQ · ATECHealthcareSurgical Instruments

Alphatec Holdings, Inc. (ATEC)

$8.28+10.84%
Close Nov 4, 2026 · split-adjusted
Nov 4, 2026$8.27▼ 57.15% in range
Nov 3, 2025Low $6.99 · High $22.68Nov 4, 2026
What changed · written from our data
As of Nov 4, 2026

Alphatec Holdings closed at $8.28 on Nov 4, up 10.84%, 63.5% below its 52-week closing high. Volume of 7.2M shares was 1.47× its 20-day average (above normal).

Split-adjusted performance: -21.4% over one month, +18.5% over six months, -57.1% over one year.

In the quarter ended Sep 30, 2026, revenue was $221.17M, up 12.6% from a year earlier, with a net margin of -2.5%.

Short interest was 13.3M shares at the Oct 15 settlement, down 5.6% from the prior report (10.7% of float, 5.9 days to cover).

Market cap$1.27B153.3M shares
Revenue · quarter$221.2M+12.6% YoY
Diluted EPS$-0.03—
P/E · TTM—P/S 1.5×
Net margin-2.5%Gross 71.5%
Dividend yieldNone
52-week range6.99 – 22.68−63.5% from high
Volume7.2M1.47× 20-day avg
Volatility · 60d114.7%Annualised
Short % of float10.7%5.9 days to cover
Net cash-$467.1MCash $79.9M
Next earnings—Not scheduled
Split-adjusted performance
1W −27.7%1M −21.4%3M −10.1%6M +18.5%YTD −60.6%1Y −57.1%3Y −6.9%5Y −29.6%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Surgical Instruments

Percentile among 110 companies (100 = best)

6-month momentum67
Revenue growth58
Net margin57
Value (low P/E)—
Size73

Industry medians: 6-month return −4.0%, revenue growth +8.9%, net margin −8.2%, P/E 30.5×.

Short interest

Details →
Shares short13.3M−5.6% vs prior
Days to cover5.9Settled Oct 15
% of float10.7%
Short vol. 10d39.0%of daily volume

Closest peers by size in Surgical Instruments

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
ATECAlphatec Holdings$8.28+10.84%+18.5%+12.6%−2.5%—$1.27B
AORTArtivion$26.45+11.56%−23.8%+11.3%−10.7%—$1.29BCompare
PRCTPROCEPT BioRobotics$21.66+7.39%−12.7%+19.3%−28.4%—$1.24BCompare
TNDMTandem Diabetes Care$19.05+7.93%+5.7%+5.8%−8.3%—$1.33BCompare
IARTIntegra LifeSciences$14.82+8.73%+5.9%+2.3%3.6%88.6$1.15BCompare
SGPSpyGlass Pharma$34.450.00%+37.5%———$1.15BCompare
IRMDiRadimed$88.58+9.21%+2.7%+14.2%26.9%47.2$1.13BCompare
SIBNSI-BONE$24.95+4.96%+92.1%+15.2%−7.3%—$1.12BCompare
NVCRNovoCure Limited$14.61+8.79%−11.4%+15.7%−5.4%—$1.71BCompare

Quick answers

What does Alphatec Holdings do?
Alphatec Holdings Inc is a medical technology company focused on the designing, development, and advancement of products for the surgical treatment of spinal disorders associated with disease and degeneration, congenital deformities, and trauma. The company's spine approach technologies include Posterior Cervical Fusion, Anterior Cervical Discectomy and Fusion, Lateral Interbody Fusion, and Posterior Lumbar Interbody Fusion among others.
What is ATEC's market cap?
$1.27B, based on the Nov 4 close of $8.28.
Does Alphatec Holdings pay a dividend?
No regular cash dividend has been paid in the last year.
How much of ATEC is sold short?
13.3M shares, 10.7% of float, as of Oct 15, 2026.
What sector is ATEC in?
Healthcare, in the Surgical Instruments industry.

About Alphatec Holdings

Alphatec Holdings Inc is a medical technology company focused on the designing, development, and advancement of products for the surgical treatment of spinal disorders associated with disease and degeneration, congenital deformities, and trauma. The company's spine approach technologies include Posterior Cervical Fusion, Anterior Cervical Discectomy and Fusion, Lateral Interbody Fusion, and Posterior Lumbar Interbody Fusion among others. Its procedural offerings are designed to address the underlying causes of spinal pathology by advancing the three fundamental objectives of spine surgery: (1) decompression of neural elements, (2) stabilization of spinal segments, and (3) restoration and maintenance of proper spinal alignment.

HQ: Carlsbad, CA913 employeesListed Jun 2, 2006atecspine.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