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Side-by-side financial comparison of Alphatec Holdings, Inc. (ATEC) and TOWER SEMICONDUCTOR LTD (TSEM). Click either name above to swap in a different company.

TOWER SEMICONDUCTOR LTD is the larger business by last-quarter revenue ($351.2M vs $212.9M, roughly 1.6× Alphatec Holdings, Inc.). TOWER SEMICONDUCTOR LTD runs the higher net margin — 15.2% vs -10.2%, a 25.4% gap on every dollar of revenue. On growth, Alphatec Holdings, Inc. posted the faster year-over-year revenue change (20.4% vs -1.7%).

Alphatec Holdings, Inc. is a global medical technology company specializing in spinal surgery solutions. It designs, develops and markets spinal implants, surgical instruments and digital surgery platforms for orthopedic and neurosurgical procedures, serving providers across North America, Europe and core Asia-Pacific markets, addressing degeneration, deformity and trauma spinal pathologies.

Tower Semiconductor Ltd. is an Israeli company that manufactures integrated circuits using specialty process technologies, including SiGe, BiCMOS, Silicon Photonics, SOI, mixed-signal and RFCMOS, CMOS image sensors, non-imaging sensors, power management (BCD), and non-volatile memory (NVM) as well as MEMS capabilities. Tower Semiconductor also owns 51% of TPSCo, an enterprise with Nuvoton Technology Corporation Japan (NTCJ).

ATEC vs TSEM — Head-to-Head

Bigger by revenue
TSEM
TSEM
1.6× larger
TSEM
$351.2M
$212.9M
ATEC
Growing faster (revenue YoY)
ATEC
ATEC
+22.1% gap
ATEC
20.4%
-1.7%
TSEM
Higher net margin
TSEM
TSEM
25.4% more per $
TSEM
15.2%
-10.2%
ATEC

Income Statement — Q4 FY2025 vs Q2 FY2024

Metric
ATEC
ATEC
TSEM
TSEM
Revenue
$212.9M
$351.2M
Net Profit
$-21.7M
$53.4M
Gross Margin
70.2%
24.8%
Operating Margin
-4.1%
15.7%
Net Margin
-10.2%
15.2%
Revenue YoY
20.4%
-1.7%
Net Profit YoY
34.8%
4.4%
EPS (diluted)
$-0.15
$0.48

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ATEC
ATEC
TSEM
TSEM
Q4 25
$212.9M
Q3 25
$196.5M
Q2 25
$185.5M
Q1 25
$169.2M
Q4 24
$176.8M
Q3 24
$150.7M
Q2 24
$145.6M
$351.2M
Q1 24
$138.5M
Net Profit
ATEC
ATEC
TSEM
TSEM
Q4 25
$-21.7M
Q3 25
$-28.6M
Q2 25
$-41.1M
Q1 25
$-51.9M
Q4 24
$-33.3M
Q3 24
$-39.6M
Q2 24
$-40.7M
$53.4M
Q1 24
$-48.5M
Gross Margin
ATEC
ATEC
TSEM
TSEM
Q4 25
70.2%
Q3 25
69.9%
Q2 25
69.6%
Q1 25
68.6%
Q4 24
68.8%
Q3 24
68.2%
Q2 24
70.5%
24.8%
Q1 24
70.3%
Operating Margin
ATEC
ATEC
TSEM
TSEM
Q4 25
-4.1%
Q3 25
-8.1%
Q2 25
-7.1%
Q1 25
-26.2%
Q4 24
-13.5%
Q3 24
-22.4%
Q2 24
-24.3%
15.7%
Q1 24
-31.3%
Net Margin
ATEC
ATEC
TSEM
TSEM
Q4 25
-10.2%
Q3 25
-14.5%
Q2 25
-22.2%
Q1 25
-30.7%
Q4 24
-18.9%
Q3 24
-26.3%
Q2 24
-27.9%
15.2%
Q1 24
-35.0%
EPS (diluted)
ATEC
ATEC
TSEM
TSEM
Q4 25
$-0.15
Q3 25
$-0.19
Q2 25
$-0.27
Q1 25
$-0.35
Q4 24
$-0.22
Q3 24
$-0.28
Q2 24
$-0.29
$0.48
Q1 24
$-0.34

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ATEC
ATEC
TSEM
TSEM
Cash + ST InvestmentsLiquidity on hand
$160.8M
$265.3M
Total DebtLower is stronger
$565.9M
Stockholders' EquityBook value
$12.4M
$2.5B
Total Assets
$791.2M
$3.0B
Debt / EquityLower = less leverage
45.54×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATEC
ATEC
TSEM
TSEM
Q4 25
$160.8M
Q3 25
$155.7M
Q2 25
$157.1M
Q1 25
$153.2M
Q4 24
$138.8M
Q3 24
$81.0M
Q2 24
$99.8M
$265.3M
Q1 24
$144.1M
Total Debt
ATEC
ATEC
TSEM
TSEM
Q4 25
$565.9M
Q3 25
$559.7M
Q2 25
$553.9M
Q1 25
$548.4M
Q4 24
$576.2M
Q3 24
$527.7M
Q2 24
$519.2M
Q1 24
$514.4M
Stockholders' Equity
ATEC
ATEC
TSEM
TSEM
Q4 25
$12.4M
Q3 25
$11.5M
Q2 25
$23.8M
Q1 25
$-85.9M
Q4 24
$-14.2M
Q3 24
$-1.4M
Q2 24
$17.1M
$2.5B
Q1 24
$37.6M
Total Assets
ATEC
ATEC
TSEM
TSEM
Q4 25
$791.2M
Q3 25
$787.2M
Q2 25
$790.3M
Q1 25
$785.5M
Q4 24
$775.7M
Q3 24
$745.9M
Q2 24
$768.6M
$3.0B
Q1 24
$774.6M
Debt / Equity
ATEC
ATEC
TSEM
TSEM
Q4 25
45.54×
Q3 25
48.64×
Q2 25
23.30×
Q1 25
Q4 24
Q3 24
Q2 24
30.34×
Q1 24
13.70×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ATEC
ATEC
TSEM
TSEM
Operating Cash FlowLast quarter
$20.7M
Free Cash FlowOCF − Capex
$7.7M
FCF MarginFCF / Revenue
3.6%
Capex IntensityCapex / Revenue
6.1%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$2.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATEC
ATEC
TSEM
TSEM
Q4 25
$20.7M
Q3 25
$14.0M
Q2 25
$15.5M
Q1 25
$-5.0M
Q4 24
$10.5M
Q3 24
$-5.3M
Q2 24
$-11.4M
Q1 24
$-38.4M
Free Cash Flow
ATEC
ATEC
TSEM
TSEM
Q4 25
$7.7M
Q3 25
$4.8M
Q2 25
$5.2M
Q1 25
$-15.0M
Q4 24
$8.5M
Q3 24
$-21.2M
Q2 24
$-45.5M
Q1 24
$-69.8M
FCF Margin
ATEC
ATEC
TSEM
TSEM
Q4 25
3.6%
Q3 25
2.4%
Q2 25
2.8%
Q1 25
-8.9%
Q4 24
4.8%
Q3 24
-14.1%
Q2 24
-31.3%
Q1 24
-50.4%
Capex Intensity
ATEC
ATEC
TSEM
TSEM
Q4 25
6.1%
Q3 25
4.7%
Q2 25
5.6%
Q1 25
5.9%
Q4 24
1.1%
Q3 24
10.5%
Q2 24
23.4%
Q1 24
22.6%

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

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