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Side-by-side financial comparison of DIODES INC (DIOD) and SL GREEN REALTY CORP (SLG). Click either name above to swap in a different company.

DIODES INC is the larger business by last-quarter revenue ($391.6M vs $276.5M, roughly 1.4× SL GREEN REALTY CORP). DIODES INC runs the higher net margin — 2.6% vs -36.5%, a 39.1% gap on every dollar of revenue. On growth, DIODES INC posted the faster year-over-year revenue change (15.4% vs 12.4%). Over the past eight quarters, SL GREEN REALTY CORP's revenue compounded faster (21.3% CAGR vs 13.9%).

Diodes Incorporated is a global semiconductor manufacturer that designs, produces and supplies discrete, analog and mixed-signal semiconductor products. Its solutions serve key end markets including automotive, industrial, consumer electronics, personal computing and communications infrastructure, with a worldwide customer base.

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".

DIOD vs SLG — Head-to-Head

Bigger by revenue
DIOD
DIOD
1.4× larger
DIOD
$391.6M
$276.5M
SLG
Growing faster (revenue YoY)
DIOD
DIOD
+3.0% gap
DIOD
15.4%
12.4%
SLG
Higher net margin
DIOD
DIOD
39.1% more per $
DIOD
2.6%
-36.5%
SLG
Faster 2-yr revenue CAGR
SLG
SLG
Annualised
SLG
21.3%
13.9%
DIOD

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
DIOD
DIOD
SLG
SLG
Revenue
$391.6M
$276.5M
Net Profit
$10.2M
$-100.8M
Gross Margin
31.1%
Operating Margin
3.4%
64.2%
Net Margin
2.6%
-36.5%
Revenue YoY
15.4%
12.4%
Net Profit YoY
23.8%
-870.0%
EPS (diluted)
$0.23
$-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
DIOD
DIOD
SLG
SLG
Q4 25
$391.6M
$276.5M
Q3 25
$392.2M
$244.8M
Q2 25
$366.2M
$241.9M
Q1 25
$332.1M
$239.8M
Q4 24
$339.3M
$245.9M
Q3 24
$350.1M
$229.7M
Q2 24
$319.8M
$222.8M
Q1 24
$302.0M
$187.9M
Net Profit
DIOD
DIOD
SLG
SLG
Q4 25
$10.2M
$-100.8M
Q3 25
$14.3M
$28.6M
Q2 25
$46.1M
$-7.4M
Q1 25
$-4.4M
$-17.3M
Q4 24
$8.2M
$19.1M
Q3 24
$13.7M
$-9.5M
Q2 24
$8.0M
$1.6M
Q1 24
$14.0M
$16.9M
Gross Margin
DIOD
DIOD
SLG
SLG
Q4 25
31.1%
Q3 25
30.7%
Q2 25
31.5%
Q1 25
31.5%
Q4 24
32.7%
Q3 24
33.7%
Q2 24
33.6%
Q1 24
33.0%
Operating Margin
DIOD
DIOD
SLG
SLG
Q4 25
3.4%
64.2%
Q3 25
3.0%
85.5%
Q2 25
2.6%
53.4%
Q1 25
0.4%
56.7%
Q4 24
3.5%
59.8%
Q3 24
6.2%
65.1%
Q2 24
1.2%
79.2%
Q1 24
4.3%
Net Margin
DIOD
DIOD
SLG
SLG
Q4 25
2.6%
-36.5%
Q3 25
3.6%
11.7%
Q2 25
12.6%
-3.0%
Q1 25
-1.3%
-7.2%
Q4 24
2.4%
7.8%
Q3 24
3.9%
-4.2%
Q2 24
2.5%
0.7%
Q1 24
4.6%
9.0%
EPS (diluted)
DIOD
DIOD
SLG
SLG
Q4 25
$0.23
$-1.49
Q3 25
$0.31
$0.34
Q2 25
$0.99
$-0.16
Q1 25
$-0.10
$-0.30
Q4 24
$0.18
$0.13
Q3 24
$0.30
$-0.21
Q2 24
$0.17
$-0.04
Q1 24
$0.30
$0.20

Balance Sheet & Financial Strength

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

Metric
DIOD
DIOD
SLG
SLG
Cash + ST InvestmentsLiquidity on hand
$377.0M
$155.7M
Total DebtLower is stronger
$25.7M
Stockholders' EquityBook value
$1.9B
$3.7B
Total Assets
$2.4B
$11.1B
Debt / EquityLower = less leverage
0.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DIOD
DIOD
SLG
SLG
Q4 25
$377.0M
$155.7M
Q3 25
$386.4M
$187.0M
Q2 25
$327.3M
$182.9M
Q1 25
$343.9M
$180.1M
Q4 24
$316.1M
$184.3M
Q3 24
$319.3M
$188.2M
Q2 24
$273.9M
$199.5M
Q1 24
$276.0M
$196.0M
Total Debt
DIOD
DIOD
SLG
SLG
Q4 25
$25.7M
Q3 25
$24.9M
Q2 25
$26.4M
Q1 25
$20.5M
Q4 24
$20.7M
Q3 24
$22.2M
Q2 24
$20.3M
Q1 24
$20.9M
Stockholders' Equity
DIOD
DIOD
SLG
SLG
Q4 25
$1.9B
$3.7B
Q3 25
$1.9B
$3.8B
Q2 25
$1.9B
$3.8B
Q1 25
$1.8B
$3.8B
Q4 24
$1.8B
$4.0B
Q3 24
$1.8B
$3.6B
Q2 24
$1.8B
$3.7B
Q1 24
$1.7B
$3.7B
Total Assets
DIOD
DIOD
SLG
SLG
Q4 25
$2.4B
$11.1B
Q3 25
$2.5B
$11.1B
Q2 25
$2.5B
$11.3B
Q1 25
$2.4B
$11.4B
Q4 24
$2.4B
$10.5B
Q3 24
$2.4B
$10.2B
Q2 24
$2.4B
$9.5B
Q1 24
$2.4B
$9.8B
Debt / Equity
DIOD
DIOD
SLG
SLG
Q4 25
0.01×
Q3 25
0.01×
Q2 25
0.01×
Q1 25
0.01×
Q4 24
0.01×
Q3 24
0.01×
Q2 24
0.01×
Q1 24
0.01×

Cash Flow & Capital Efficiency

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

Metric
DIOD
DIOD
SLG
SLG
Operating Cash FlowLast quarter
$38.1M
$82.9M
Free Cash FlowOCF − Capex
$12.4M
FCF MarginFCF / Revenue
3.2%
Capex IntensityCapex / Revenue
6.6%
Cash ConversionOCF / Net Profit
3.74×
TTM Free Cash FlowTrailing 4 quarters
$137.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DIOD
DIOD
SLG
SLG
Q4 25
$38.1M
$82.9M
Q3 25
$79.1M
$-6.8M
Q2 25
$41.5M
$54.5M
Q1 25
$56.7M
$6.7M
Q4 24
$81.8M
$129.6M
Q3 24
$54.4M
$16.7M
Q2 24
$14.4M
$79.4M
Q1 24
$-31.1M
$-24.7M
Free Cash Flow
DIOD
DIOD
SLG
SLG
Q4 25
$12.4M
Q3 25
$62.8M
Q2 25
$21.1M
Q1 25
$40.8M
Q4 24
$62.1M
Q3 24
$39.4M
Q2 24
$-3.5M
Q1 24
$-51.5M
FCF Margin
DIOD
DIOD
SLG
SLG
Q4 25
3.2%
Q3 25
16.0%
Q2 25
5.8%
Q1 25
12.3%
Q4 24
18.3%
Q3 24
11.2%
Q2 24
-1.1%
Q1 24
-17.1%
Capex Intensity
DIOD
DIOD
SLG
SLG
Q4 25
6.6%
Q3 25
4.2%
Q2 25
5.6%
Q1 25
4.8%
Q4 24
5.8%
Q3 24
4.3%
Q2 24
5.6%
Q1 24
6.7%
Cash Conversion
DIOD
DIOD
SLG
SLG
Q4 25
3.74×
Q3 25
5.54×
-0.24×
Q2 25
0.90×
Q1 25
Q4 24
9.93×
6.77×
Q3 24
3.95×
Q2 24
1.80×
50.33×
Q1 24
-2.22×
-1.46×

Financial Flow Comparison

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

Revenue Breakdown by Segment

DIOD
DIOD

Distributor$253.1M65%
Direct Sales$138.5M35%

SLG
SLG

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

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