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Side-by-side financial comparison of Postal Realty Trust, Inc. (PSTL) and System1, Inc. (SST). Click either name above to swap in a different company.

System1, Inc. is the larger business by last-quarter revenue ($51.9M vs $26.0M, roughly 2.0× Postal Realty Trust, Inc.). Postal Realty Trust, Inc. runs the higher net margin — 17.9% vs -26.0%, a 43.8% gap on every dollar of revenue. On growth, Postal Realty Trust, Inc. posted the faster year-over-year revenue change (21.7% vs -31.3%). Over the past eight quarters, Postal Realty Trust, Inc.'s revenue compounded faster (22.6% CAGR vs -21.8%).

Postal Realty Trust, Inc. is a specialized real estate investment trust that acquires, owns, and manages properties primarily leased to the United States Postal Service. Its portfolio includes last-mile postal facilities, sorting centers, and retail post office locations across the U.S., supporting critical mail and package delivery infrastructure.

System1 is an American Internet advertising company. Formerly known as OpenMail, it was founded in 2013. It describes itself as operating a "Responsive Acquisition Marketing Platform", and cites privacy as one of its principal foci, although it has been criticized for its influence on privacy-focused properties, including search engine Startpage.com. It is headquartered in Marina del Rey, California.

PSTL vs SST — Head-to-Head

Bigger by revenue
SST
SST
2.0× larger
SST
$51.9M
$26.0M
PSTL
Growing faster (revenue YoY)
PSTL
PSTL
+53.0% gap
PSTL
21.7%
-31.3%
SST
Higher net margin
PSTL
PSTL
43.8% more per $
PSTL
17.9%
-26.0%
SST
Faster 2-yr revenue CAGR
PSTL
PSTL
Annualised
PSTL
22.6%
-21.8%
SST

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
PSTL
PSTL
SST
SST
Revenue
$26.0M
$51.9M
Net Profit
$4.6M
$-13.5M
Gross Margin
41.0%
Operating Margin
39.2%
-33.6%
Net Margin
17.9%
-26.0%
Revenue YoY
21.7%
-31.3%
Net Profit YoY
3.1%
4.8%
EPS (diluted)
$0.16
$-3.58

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
PSTL
PSTL
SST
SST
Q4 25
$26.0M
$51.9M
Q3 25
$24.3M
$61.6M
Q2 25
$23.4M
$78.1M
Q1 25
$22.1M
$74.5M
Q4 24
$21.4M
$75.6M
Q3 24
$19.7M
$88.8M
Q2 24
$18.1M
$94.6M
Q1 24
$17.3M
$84.9M
Net Profit
PSTL
PSTL
SST
SST
Q4 25
$4.6M
$-13.5M
Q3 25
$3.8M
$-18.5M
Q2 25
$3.6M
$-17.5M
Q1 25
$2.1M
$-15.9M
Q4 24
$4.5M
$-14.2M
Q3 24
$1.1M
$-23.6M
Q2 24
$817.0K
$-26.4M
Q1 24
$206.0K
$-10.5M
Gross Margin
PSTL
PSTL
SST
SST
Q4 25
41.0%
Q3 25
36.9%
Q2 25
35.7%
Q1 25
38.2%
Q4 24
42.1%
Q3 24
28.0%
Q2 24
27.6%
Q1 24
21.9%
Operating Margin
PSTL
PSTL
SST
SST
Q4 25
39.2%
-33.6%
Q3 25
37.6%
-25.3%
Q2 25
37.3%
-20.4%
Q1 25
28.4%
-17.6%
Q4 24
43.2%
-15.7%
Q3 24
24.3%
-24.6%
Q2 24
22.8%
-30.8%
Q1 24
17.6%
-30.4%
Net Margin
PSTL
PSTL
SST
SST
Q4 25
17.9%
-26.0%
Q3 25
15.7%
-30.1%
Q2 25
15.5%
-22.4%
Q1 25
9.4%
-21.3%
Q4 24
21.1%
-18.7%
Q3 24
5.4%
-26.6%
Q2 24
4.5%
-27.9%
Q1 24
1.2%
-12.4%
EPS (diluted)
PSTL
PSTL
SST
SST
Q4 25
$0.16
$-3.58
Q3 25
$0.13
$-2.30
Q2 25
$0.12
$-2.23
Q1 25
$0.06
$-0.21
Q4 24
$0.17
$-3.41
Q3 24
$0.03
$-3.37
Q2 24
$0.02
$-3.80
Q1 24
$-0.01
$-0.16

Balance Sheet & Financial Strength

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

Metric
PSTL
PSTL
SST
SST
Cash + ST InvestmentsLiquidity on hand
$1.5M
$86.9M
Total DebtLower is stronger
$361.1M
$305.1M
Stockholders' EquityBook value
$285.2M
$30.5M
Total Assets
$759.1M
$405.0M
Debt / EquityLower = less leverage
1.27×
10.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PSTL
PSTL
SST
SST
Q4 25
$1.5M
$86.9M
Q3 25
$1.9M
$54.6M
Q2 25
$1.1M
$63.6M
Q1 25
$639.0K
$43.9M
Q4 24
$1.8M
$63.6M
Q3 24
$970.0K
$69.1M
Q2 24
$1.7M
$75.7M
Q1 24
$1.9M
$69.9M
Total Debt
PSTL
PSTL
SST
SST
Q4 25
$361.1M
$305.1M
Q3 25
$347.0M
$259.2M
Q2 25
$328.8M
$263.3M
Q1 25
$306.7M
$267.4M
Q4 24
$296.7M
$255.1M
Q3 24
$277.0M
$259.2M
Q2 24
$273.7M
$263.3M
Q1 24
$247.6M
$268.6M
Stockholders' Equity
PSTL
PSTL
SST
SST
Q4 25
$285.2M
$30.5M
Q3 25
$273.9M
$42.7M
Q2 25
$250.8M
$58.2M
Q1 25
$245.5M
$67.2M
Q4 24
$251.3M
$80.3M
Q3 24
$245.6M
$90.3M
Q2 24
$245.5M
$109.4M
Q1 24
$248.1M
$131.7M
Total Assets
PSTL
PSTL
SST
SST
Q4 25
$759.1M
$405.0M
Q3 25
$735.2M
$385.2M
Q2 25
$689.8M
$429.2M
Q1 25
$654.0M
$419.2M
Q4 24
$646.8M
$459.1M
Q3 24
$615.1M
$479.3M
Q2 24
$608.2M
$511.3M
Q1 24
$584.1M
$521.1M
Debt / Equity
PSTL
PSTL
SST
SST
Q4 25
1.27×
10.01×
Q3 25
1.27×
6.07×
Q2 25
1.31×
4.53×
Q1 25
1.25×
3.98×
Q4 24
1.18×
3.18×
Q3 24
1.13×
2.87×
Q2 24
1.11×
2.41×
Q1 24
1.00×
2.04×

Cash Flow & Capital Efficiency

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

Metric
PSTL
PSTL
SST
SST
Operating Cash FlowLast quarter
$44.5M
$-10.6M
Free Cash FlowOCF − Capex
$37.6M
FCF MarginFCF / Revenue
144.5%
Capex IntensityCapex / Revenue
26.7%
0.0%
Cash ConversionOCF / Net Profit
9.59×
TTM Free Cash FlowTrailing 4 quarters
$65.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PSTL
PSTL
SST
SST
Q4 25
$44.5M
$-10.6M
Q3 25
$10.9M
$-2.1M
Q2 25
$11.4M
$24.5M
Q1 25
$10.8M
$-15.9M
Q4 24
$33.5M
$772.0K
Q3 24
$8.0M
$-5.0K
Q2 24
$9.9M
$10.0M
Q1 24
$6.4M
$-16.0M
Free Cash Flow
PSTL
PSTL
SST
SST
Q4 25
$37.6M
Q3 25
$8.8M
Q2 25
$9.1M
Q1 25
$10.2M
$-16.0M
Q4 24
$30.7M
Q3 24
$7.4M
$-36.0K
Q2 24
$8.9M
Q1 24
$5.8M
FCF Margin
PSTL
PSTL
SST
SST
Q4 25
144.5%
Q3 25
36.1%
Q2 25
38.8%
Q1 25
45.9%
-21.5%
Q4 24
143.8%
Q3 24
37.6%
-0.0%
Q2 24
49.4%
Q1 24
33.6%
Capex Intensity
PSTL
PSTL
SST
SST
Q4 25
26.7%
0.0%
Q3 25
8.9%
0.0%
Q2 25
10.1%
0.0%
Q1 25
3.0%
0.1%
Q4 24
13.0%
0.0%
Q3 24
3.2%
0.0%
Q2 24
5.4%
0.0%
Q1 24
3.5%
0.0%
Cash Conversion
PSTL
PSTL
SST
SST
Q4 25
9.59×
Q3 25
2.87×
Q2 25
3.16×
Q1 25
5.20×
Q4 24
7.44×
Q3 24
7.48×
Q2 24
12.10×
Q1 24
31.07×

Financial Flow Comparison

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

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