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Side-by-side financial comparison of Alphatec Holdings, Inc. (ATEC) and SL GREEN REALTY CORP (SLG). Click either name above to swap in a different company.

SL GREEN REALTY CORP is the larger business by last-quarter revenue ($276.5M vs $212.9M, roughly 1.3× Alphatec Holdings, Inc.). Alphatec Holdings, Inc. runs the higher net margin — -10.2% vs -36.5%, a 26.3% gap on every dollar of revenue. On growth, Alphatec Holdings, Inc. posted the faster year-over-year revenue change (20.4% vs 12.4%). Over the past eight quarters, Alphatec Holdings, Inc.'s revenue compounded faster (24.0% CAGR vs 21.3%).

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.

SL Green Realty Corp. is a real estate investment trust that primarily invests in office buildings and shopping centers in New York City. As of December 31, 2024, the company owned interests in 39 properties comprising 25,297,353 square feet, primarily in Manhattan. It has been referred to as "New York City’s largest office landlord".

ATEC vs SLG — Head-to-Head

Bigger by revenue
SLG
SLG
1.3× larger
SLG
$276.5M
$212.9M
ATEC
Growing faster (revenue YoY)
ATEC
ATEC
+8.0% gap
ATEC
20.4%
12.4%
SLG
Higher net margin
ATEC
ATEC
26.3% more per $
ATEC
-10.2%
-36.5%
SLG
Faster 2-yr revenue CAGR
ATEC
ATEC
Annualised
ATEC
24.0%
21.3%
SLG

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ATEC
ATEC
SLG
SLG
Revenue
$212.9M
$276.5M
Net Profit
$-21.7M
$-100.8M
Gross Margin
70.2%
Operating Margin
-4.1%
64.2%
Net Margin
-10.2%
-36.5%
Revenue YoY
20.4%
12.4%
Net Profit YoY
34.8%
-870.0%
EPS (diluted)
$-0.15
$-1.49

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
SLG
SLG
Q4 25
$212.9M
$276.5M
Q3 25
$196.5M
$244.8M
Q2 25
$185.5M
$241.9M
Q1 25
$169.2M
$239.8M
Q4 24
$176.8M
$245.9M
Q3 24
$150.7M
$229.7M
Q2 24
$145.6M
$222.8M
Q1 24
$138.5M
$187.9M
Net Profit
ATEC
ATEC
SLG
SLG
Q4 25
$-21.7M
$-100.8M
Q3 25
$-28.6M
$28.6M
Q2 25
$-41.1M
$-7.4M
Q1 25
$-51.9M
$-17.3M
Q4 24
$-33.3M
$19.1M
Q3 24
$-39.6M
$-9.5M
Q2 24
$-40.7M
$1.6M
Q1 24
$-48.5M
$16.9M
Gross Margin
ATEC
ATEC
SLG
SLG
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%
Q1 24
70.3%
Operating Margin
ATEC
ATEC
SLG
SLG
Q4 25
-4.1%
64.2%
Q3 25
-8.1%
85.5%
Q2 25
-7.1%
53.4%
Q1 25
-26.2%
56.7%
Q4 24
-13.5%
59.8%
Q3 24
-22.4%
65.1%
Q2 24
-24.3%
79.2%
Q1 24
-31.3%
Net Margin
ATEC
ATEC
SLG
SLG
Q4 25
-10.2%
-36.5%
Q3 25
-14.5%
11.7%
Q2 25
-22.2%
-3.0%
Q1 25
-30.7%
-7.2%
Q4 24
-18.9%
7.8%
Q3 24
-26.3%
-4.2%
Q2 24
-27.9%
0.7%
Q1 24
-35.0%
9.0%
EPS (diluted)
ATEC
ATEC
SLG
SLG
Q4 25
$-0.15
$-1.49
Q3 25
$-0.19
$0.34
Q2 25
$-0.27
$-0.16
Q1 25
$-0.35
$-0.30
Q4 24
$-0.22
$0.13
Q3 24
$-0.28
$-0.21
Q2 24
$-0.29
$-0.04
Q1 24
$-0.34
$0.20

Balance Sheet & Financial Strength

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

Metric
ATEC
ATEC
SLG
SLG
Cash + ST InvestmentsLiquidity on hand
$160.8M
$155.7M
Total DebtLower is stronger
$565.9M
Stockholders' EquityBook value
$12.4M
$3.7B
Total Assets
$791.2M
$11.1B
Debt / EquityLower = less leverage
45.54×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATEC
ATEC
SLG
SLG
Q4 25
$160.8M
$155.7M
Q3 25
$155.7M
$187.0M
Q2 25
$157.1M
$182.9M
Q1 25
$153.2M
$180.1M
Q4 24
$138.8M
$184.3M
Q3 24
$81.0M
$188.2M
Q2 24
$99.8M
$199.5M
Q1 24
$144.1M
$196.0M
Total Debt
ATEC
ATEC
SLG
SLG
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
SLG
SLG
Q4 25
$12.4M
$3.7B
Q3 25
$11.5M
$3.8B
Q2 25
$23.8M
$3.8B
Q1 25
$-85.9M
$3.8B
Q4 24
$-14.2M
$4.0B
Q3 24
$-1.4M
$3.6B
Q2 24
$17.1M
$3.7B
Q1 24
$37.6M
$3.7B
Total Assets
ATEC
ATEC
SLG
SLG
Q4 25
$791.2M
$11.1B
Q3 25
$787.2M
$11.1B
Q2 25
$790.3M
$11.3B
Q1 25
$785.5M
$11.4B
Q4 24
$775.7M
$10.5B
Q3 24
$745.9M
$10.2B
Q2 24
$768.6M
$9.5B
Q1 24
$774.6M
$9.8B
Debt / Equity
ATEC
ATEC
SLG
SLG
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
SLG
SLG
Operating Cash FlowLast quarter
$20.7M
$82.9M
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
SLG
SLG
Q4 25
$20.7M
$82.9M
Q3 25
$14.0M
$-6.8M
Q2 25
$15.5M
$54.5M
Q1 25
$-5.0M
$6.7M
Q4 24
$10.5M
$129.6M
Q3 24
$-5.3M
$16.7M
Q2 24
$-11.4M
$79.4M
Q1 24
$-38.4M
$-24.7M
Free Cash Flow
ATEC
ATEC
SLG
SLG
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
SLG
SLG
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
SLG
SLG
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%
Cash Conversion
ATEC
ATEC
SLG
SLG
Q4 25
Q3 25
-0.24×
Q2 25
Q1 25
Q4 24
6.77×
Q3 24
Q2 24
50.33×
Q1 24
-1.46×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ATEC
ATEC

Segment breakdown not available.

SLG
SLG

Real Estate Segment$223.1M81%
Other$35.9M13%
Debt And Preferred Equity Segment$17.4M6%

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