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Side-by-side financial comparison of Astera Labs, Inc. (ALAB) 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 $270.6M, roughly 1.0× Astera Labs, Inc.). Astera Labs, Inc. runs the higher net margin — 16.6% vs -36.5%, a 53.1% gap on every dollar of revenue. On growth, Astera Labs, Inc. posted the faster year-over-year revenue change (91.8% vs 12.4%). Over the past eight quarters, Astera Labs, Inc.'s revenue compounded faster (103.6% CAGR vs 21.3%).

Astera Labs, Inc. is an American fabless semiconductor manufacturer and artificial intelligence company. The company specializes in designing high-speed connectivity solutions for data centers and AI infrastructure. The company has been listed on the Nasdaq since March 2024.

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".

ALAB vs SLG — Head-to-Head

Bigger by revenue
SLG
SLG
1.0× larger
SLG
$276.5M
$270.6M
ALAB
Growing faster (revenue YoY)
ALAB
ALAB
+79.3% gap
ALAB
91.8%
12.4%
SLG
Higher net margin
ALAB
ALAB
53.1% more per $
ALAB
16.6%
-36.5%
SLG
Faster 2-yr revenue CAGR
ALAB
ALAB
Annualised
ALAB
103.6%
21.3%
SLG

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ALAB
ALAB
SLG
SLG
Revenue
$270.6M
$276.5M
Net Profit
$45.0M
$-100.8M
Gross Margin
75.6%
Operating Margin
24.7%
64.2%
Net Margin
16.6%
-36.5%
Revenue YoY
91.8%
12.4%
Net Profit YoY
82.0%
-870.0%
EPS (diluted)
$0.25
$-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
ALAB
ALAB
SLG
SLG
Q4 25
$270.6M
$276.5M
Q3 25
$230.6M
$244.8M
Q2 25
$191.9M
$241.9M
Q1 25
$159.4M
$239.8M
Q4 24
$141.1M
$245.9M
Q3 24
$113.1M
$229.7M
Q2 24
$76.8M
$222.8M
Q1 24
$65.3M
$187.9M
Net Profit
ALAB
ALAB
SLG
SLG
Q4 25
$45.0M
$-100.8M
Q3 25
$91.1M
$28.6M
Q2 25
$51.2M
$-7.4M
Q1 25
$31.8M
$-17.3M
Q4 24
$24.7M
$19.1M
Q3 24
$-7.6M
$-9.5M
Q2 24
$-7.5M
$1.6M
Q1 24
$-93.0M
$16.9M
Gross Margin
ALAB
ALAB
SLG
SLG
Q4 25
75.6%
Q3 25
76.2%
Q2 25
75.8%
Q1 25
74.9%
Q4 24
74.0%
Q3 24
77.7%
Q2 24
77.9%
Q1 24
77.4%
Operating Margin
ALAB
ALAB
SLG
SLG
Q4 25
24.7%
64.2%
Q3 25
24.0%
85.5%
Q2 25
20.7%
53.4%
Q1 25
7.1%
56.7%
Q4 24
0.1%
59.8%
Q3 24
-7.9%
65.1%
Q2 24
-31.7%
79.2%
Q1 24
-127.1%
Net Margin
ALAB
ALAB
SLG
SLG
Q4 25
16.6%
-36.5%
Q3 25
39.5%
11.7%
Q2 25
26.7%
-3.0%
Q1 25
20.0%
-7.2%
Q4 24
17.5%
7.8%
Q3 24
-6.7%
-4.2%
Q2 24
-9.8%
0.7%
Q1 24
-142.5%
9.0%
EPS (diluted)
ALAB
ALAB
SLG
SLG
Q4 25
$0.25
$-1.49
Q3 25
$0.50
$0.34
Q2 25
$0.29
$-0.16
Q1 25
$0.18
$-0.30
Q4 24
$1.23
$0.13
Q3 24
$-0.05
$-0.21
Q2 24
$-0.05
$-0.04
Q1 24
$-1.77
$0.20

Balance Sheet & Financial Strength

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

Metric
ALAB
ALAB
SLG
SLG
Cash + ST InvestmentsLiquidity on hand
$167.6M
$155.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.4B
$3.7B
Total Assets
$1.5B
$11.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ALAB
ALAB
SLG
SLG
Q4 25
$167.6M
$155.7M
Q3 25
$140.4M
$187.0M
Q2 25
$162.3M
$182.9M
Q1 25
$86.4M
$180.1M
Q4 24
$79.6M
$184.3M
Q3 24
$126.1M
$188.2M
Q2 24
$421.1M
$199.5M
Q1 24
$696.1M
$196.0M
Stockholders' Equity
ALAB
ALAB
SLG
SLG
Q4 25
$1.4B
$3.7B
Q3 25
$1.3B
$3.8B
Q2 25
$1.1B
$3.8B
Q1 25
$1.0B
$3.8B
Q4 24
$964.8M
$4.0B
Q3 24
$889.6M
$3.6B
Q2 24
$845.3M
$3.7B
Q1 24
$808.8M
$3.7B
Total Assets
ALAB
ALAB
SLG
SLG
Q4 25
$1.5B
$11.1B
Q3 25
$1.4B
$11.1B
Q2 25
$1.3B
$11.3B
Q1 25
$1.1B
$11.4B
Q4 24
$1.1B
$10.5B
Q3 24
$983.1M
$10.2B
Q2 24
$915.5M
$9.5B
Q1 24
$864.9M
$9.8B

Cash Flow & Capital Efficiency

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

Metric
ALAB
ALAB
SLG
SLG
Operating Cash FlowLast quarter
$95.3M
$82.9M
Free Cash FlowOCF − Capex
$76.6M
FCF MarginFCF / Revenue
28.3%
Capex IntensityCapex / Revenue
6.9%
Cash ConversionOCF / Net Profit
2.12×
TTM Free Cash FlowTrailing 4 quarters
$281.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ALAB
ALAB
SLG
SLG
Q4 25
$95.3M
$82.9M
Q3 25
$78.2M
$-6.8M
Q2 25
$135.4M
$54.5M
Q1 25
$10.5M
$6.7M
Q4 24
$39.7M
$129.6M
Q3 24
$63.5M
$16.7M
Q2 24
$29.8M
$79.4M
Q1 24
$3.7M
$-24.7M
Free Cash Flow
ALAB
ALAB
SLG
SLG
Q4 25
$76.6M
Q3 25
$65.9M
Q2 25
$133.3M
Q1 25
$6.0M
Q4 24
$24.3M
Q3 24
$46.8M
Q2 24
$28.5M
Q1 24
$228.0K
FCF Margin
ALAB
ALAB
SLG
SLG
Q4 25
28.3%
Q3 25
28.6%
Q2 25
69.5%
Q1 25
3.7%
Q4 24
17.2%
Q3 24
41.4%
Q2 24
37.1%
Q1 24
0.3%
Capex Intensity
ALAB
ALAB
SLG
SLG
Q4 25
6.9%
Q3 25
5.3%
Q2 25
1.1%
Q1 25
2.8%
Q4 24
10.9%
Q3 24
14.8%
Q2 24
1.7%
Q1 24
5.2%
Cash Conversion
ALAB
ALAB
SLG
SLG
Q4 25
2.12×
Q3 25
0.86×
-0.24×
Q2 25
2.64×
Q1 25
0.33×
Q4 24
1.61×
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

ALAB
ALAB

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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