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Side-by-side financial comparison of Alarm.com Holdings, Inc. (ALRM) 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 $261.7M, roughly 1.1× Alarm.com Holdings, Inc.). Alarm.com Holdings, Inc. runs the higher net margin — 13.2% vs -36.5%, a 49.7% gap on every dollar of revenue. On growth, SL GREEN REALTY CORP posted the faster year-over-year revenue change (12.4% vs 8.0%). Over the past eight quarters, SL GREEN REALTY CORP's revenue compounded faster (21.3% CAGR vs 8.3%).

Alarm.com, Inc. is an American technology company that provides cloud-based services for remote control, home automation, and alarm monitoring services. The company was founded in 2000 as a spinoff from MicroStrategy. The company is based in Tysons, Virginia.

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".

ALRM vs SLG — Head-to-Head

Bigger by revenue
SLG
SLG
1.1× larger
SLG
$276.5M
$261.7M
ALRM
Growing faster (revenue YoY)
SLG
SLG
+4.4% gap
SLG
12.4%
8.0%
ALRM
Higher net margin
ALRM
ALRM
49.7% more per $
ALRM
13.2%
-36.5%
SLG
Faster 2-yr revenue CAGR
SLG
SLG
Annualised
SLG
21.3%
8.3%
ALRM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ALRM
ALRM
SLG
SLG
Revenue
$261.7M
$276.5M
Net Profit
$34.6M
$-100.8M
Gross Margin
66.0%
Operating Margin
13.4%
64.2%
Net Margin
13.2%
-36.5%
Revenue YoY
8.0%
12.4%
Net Profit YoY
14.8%
-870.0%
EPS (diluted)
$0.66
$-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
ALRM
ALRM
SLG
SLG
Q4 25
$261.7M
$276.5M
Q3 25
$256.4M
$244.8M
Q2 25
$254.3M
$241.9M
Q1 25
$238.8M
$239.8M
Q4 24
$242.2M
$245.9M
Q3 24
$240.5M
$229.7M
Q2 24
$233.8M
$222.8M
Q1 24
$223.3M
$187.9M
Net Profit
ALRM
ALRM
SLG
SLG
Q4 25
$34.6M
$-100.8M
Q3 25
$35.1M
$28.6M
Q2 25
$34.2M
$-7.4M
Q1 25
$27.7M
$-17.3M
Q4 24
$30.1M
$19.1M
Q3 24
$36.7M
$-9.5M
Q2 24
$33.5M
$1.6M
Q1 24
$23.6M
$16.9M
Gross Margin
ALRM
ALRM
SLG
SLG
Q4 25
66.0%
Q3 25
65.8%
Q2 25
65.6%
Q1 25
67.2%
Q4 24
65.5%
Q3 24
64.8%
Q2 24
65.2%
Q1 24
65.7%
Operating Margin
ALRM
ALRM
SLG
SLG
Q4 25
13.4%
64.2%
Q3 25
14.4%
85.5%
Q2 25
12.6%
53.4%
Q1 25
12.4%
56.7%
Q4 24
12.7%
59.8%
Q3 24
13.8%
65.1%
Q2 24
11.0%
79.2%
Q1 24
8.4%
Net Margin
ALRM
ALRM
SLG
SLG
Q4 25
13.2%
-36.5%
Q3 25
13.7%
11.7%
Q2 25
13.5%
-3.0%
Q1 25
11.6%
-7.2%
Q4 24
12.4%
7.8%
Q3 24
15.3%
-4.2%
Q2 24
14.3%
0.7%
Q1 24
10.6%
9.0%
EPS (diluted)
ALRM
ALRM
SLG
SLG
Q4 25
$0.66
$-1.49
Q3 25
$0.65
$0.34
Q2 25
$0.63
$-0.16
Q1 25
$0.52
$-0.30
Q4 24
$0.56
$0.13
Q3 24
$0.67
$-0.21
Q2 24
$0.62
$-0.04
Q1 24
$0.44
$0.20

Balance Sheet & Financial Strength

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

Metric
ALRM
ALRM
SLG
SLG
Cash + ST InvestmentsLiquidity on hand
$960.6M
$155.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$848.2M
$3.7B
Total Assets
$2.1B
$11.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ALRM
ALRM
SLG
SLG
Q4 25
$960.6M
$155.7M
Q3 25
$1.1B
$187.0M
Q2 25
$1.0B
$182.9M
Q1 25
$1.2B
$180.1M
Q4 24
$1.2B
$184.3M
Q3 24
$1.2B
$188.2M
Q2 24
$1.1B
$199.5M
Q1 24
$747.9M
$196.0M
Stockholders' Equity
ALRM
ALRM
SLG
SLG
Q4 25
$848.2M
$3.7B
Q3 25
$827.2M
$3.8B
Q2 25
$797.3M
$3.8B
Q1 25
$759.6M
$3.8B
Q4 24
$726.5M
$4.0B
Q3 24
$690.3M
$3.6B
Q2 24
$645.5M
$3.7B
Q1 24
$728.1M
$3.7B
Total Assets
ALRM
ALRM
SLG
SLG
Q4 25
$2.1B
$11.1B
Q3 25
$2.1B
$11.1B
Q2 25
$2.1B
$11.3B
Q1 25
$2.1B
$11.4B
Q4 24
$2.0B
$10.5B
Q3 24
$2.0B
$10.2B
Q2 24
$1.9B
$9.5B
Q1 24
$1.5B
$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
ALRM
ALRM
SLG
SLG
Operating Cash FlowLast quarter
$35.9M
$82.9M
Free Cash FlowOCF − Capex
$35.1M
FCF MarginFCF / Revenue
13.4%
Capex IntensityCapex / Revenue
0.3%
Cash ConversionOCF / Net Profit
1.04×
TTM Free Cash FlowTrailing 4 quarters
$137.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ALRM
ALRM
SLG
SLG
Q4 25
$35.9M
$82.9M
Q3 25
$70.6M
$-6.8M
Q2 25
$22.7M
$54.5M
Q1 25
$24.1M
$6.7M
Q4 24
$56.3M
$129.6M
Q3 24
$77.3M
$16.7M
Q2 24
$23.0M
$79.4M
Q1 24
$49.9M
$-24.7M
Free Cash Flow
ALRM
ALRM
SLG
SLG
Q4 25
$35.1M
Q3 25
$65.9M
Q2 25
$18.2M
Q1 25
$17.9M
Q4 24
$54.0M
Q3 24
$74.5M
Q2 24
$21.0M
Q1 24
$46.8M
FCF Margin
ALRM
ALRM
SLG
SLG
Q4 25
13.4%
Q3 25
25.7%
Q2 25
7.1%
Q1 25
7.5%
Q4 24
22.3%
Q3 24
31.0%
Q2 24
9.0%
Q1 24
21.0%
Capex Intensity
ALRM
ALRM
SLG
SLG
Q4 25
0.3%
Q3 25
1.9%
Q2 25
1.8%
Q1 25
2.6%
Q4 24
0.9%
Q3 24
1.2%
Q2 24
0.9%
Q1 24
1.4%
Cash Conversion
ALRM
ALRM
SLG
SLG
Q4 25
1.04×
Q3 25
2.01×
-0.24×
Q2 25
0.66×
Q1 25
0.87×
Q4 24
1.87×
6.77×
Q3 24
2.11×
Q2 24
0.69×
50.33×
Q1 24
2.11×
-1.46×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ALRM
ALRM

License And Service$180.2M69%
Hardwareand Other Revenue$81.4M31%

SLG
SLG

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

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