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Side-by-side financial comparison of Empire State Realty OP, L.P. (ESBA) and ONTO INNOVATION INC. (ONTO). Click either name above to swap in a different company.

ONTO INNOVATION INC. is the larger business by last-quarter revenue ($218.2M vs $199.2M, roughly 1.1× Empire State Realty OP, L.P.). Empire State Realty OP, L.P. runs the higher net margin — 16.1% vs 12.9%, a 3.2% gap on every dollar of revenue. On growth, Empire State Realty OP, L.P. posted the faster year-over-year revenue change (0.8% vs -13.5%). ONTO INNOVATION INC. produced more free cash flow last quarter ($82.0M vs $50.6M). Over the past eight quarters, Empire State Realty OP, L.P.'s revenue compounded faster (4.9% CAGR vs 2.6%).

Empire State Realty OP, L.P. is a real estate operating partnership focused on owning, managing, and leasing premium commercial and retail properties primarily in the New York City metropolitan area. Its portfolio includes iconic landmarks like the Empire State Building, serving corporate tenants, retail brands and tourism-related business segments.

Onto Innovation Inc. is an American semiconductor company formed in 2019 from the merger of Rudolph Technologies, Inc. and Nanometrics Incorporated. It is a provider of process and process control equipment and software for microelectronic manufacturing industries.

ESBA vs ONTO — Head-to-Head

Bigger by revenue
ONTO
ONTO
1.1× larger
ONTO
$218.2M
$199.2M
ESBA
Growing faster (revenue YoY)
ESBA
ESBA
+14.3% gap
ESBA
0.8%
-13.5%
ONTO
Higher net margin
ESBA
ESBA
3.2% more per $
ESBA
16.1%
12.9%
ONTO
More free cash flow
ONTO
ONTO
$31.5M more FCF
ONTO
$82.0M
$50.6M
ESBA
Faster 2-yr revenue CAGR
ESBA
ESBA
Annualised
ESBA
4.9%
2.6%
ONTO

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
ESBA
ESBA
ONTO
ONTO
Revenue
$199.2M
$218.2M
Net Profit
$32.2M
$28.2M
Gross Margin
50.7%
Operating Margin
17.8%
10.9%
Net Margin
16.1%
12.9%
Revenue YoY
0.8%
-13.5%
Net Profit YoY
71.2%
-46.8%
EPS (diluted)
$0.11
$0.57

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
ESBA
ESBA
ONTO
ONTO
Q4 25
$199.2M
Q3 25
$197.7M
$218.2M
Q2 25
$191.3M
$253.6M
Q1 25
$180.1M
$266.6M
Q4 24
$197.6M
$263.9M
Q3 24
$199.6M
$252.2M
Q2 24
$189.5M
$242.3M
Q1 24
$181.2M
$228.8M
Net Profit
ESBA
ESBA
ONTO
ONTO
Q4 25
$32.2M
Q3 25
$13.6M
$28.2M
Q2 25
$11.4M
$33.9M
Q1 25
$15.8M
$64.1M
Q4 24
$18.8M
$48.8M
Q3 24
$22.8M
$53.1M
Q2 24
$28.6M
$52.9M
Q1 24
$10.2M
$46.9M
Gross Margin
ESBA
ESBA
ONTO
ONTO
Q4 25
Q3 25
50.7%
Q2 25
48.2%
Q1 25
53.7%
Q4 24
50.2%
Q3 24
54.1%
Q2 24
52.9%
Q1 24
51.7%
Operating Margin
ESBA
ESBA
ONTO
ONTO
Q4 25
17.8%
Q3 25
19.9%
10.9%
Q2 25
18.4%
12.7%
Q1 25
14.3%
23.7%
Q4 24
21.7%
16.1%
Q3 24
22.7%
21.0%
Q2 24
20.8%
20.2%
Q1 24
17.1%
18.7%
Net Margin
ESBA
ESBA
ONTO
ONTO
Q4 25
16.1%
Q3 25
6.9%
12.9%
Q2 25
6.0%
13.4%
Q1 25
8.8%
24.0%
Q4 24
9.5%
18.5%
Q3 24
11.4%
21.0%
Q2 24
15.1%
21.9%
Q1 24
5.6%
20.5%
EPS (diluted)
ESBA
ESBA
ONTO
ONTO
Q4 25
$0.11
Q3 25
$0.05
$0.57
Q2 25
$0.04
$0.69
Q1 25
$0.05
$1.30
Q4 24
$0.07
$0.98
Q3 24
$0.08
$1.07
Q2 24
$0.10
$1.07
Q1 24
$0.03
$0.94

Balance Sheet & Financial Strength

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

Metric
ESBA
ESBA
ONTO
ONTO
Cash + ST InvestmentsLiquidity on hand
$132.7M
$603.1M
Total DebtLower is stronger
Stockholders' EquityBook value
$2.0B
Total Assets
$4.5B
$2.2B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ESBA
ESBA
ONTO
ONTO
Q4 25
$132.7M
Q3 25
$154.1M
$603.1M
Q2 25
$94.6M
$217.5M
Q1 25
$187.8M
$203.7M
Q4 24
$385.5M
$212.9M
Q3 24
$421.9M
$188.7M
Q2 24
$535.5M
$172.6M
Q1 24
$333.6M
$190.9M
Stockholders' Equity
ESBA
ESBA
ONTO
ONTO
Q4 25
Q3 25
$2.0B
Q2 25
$2.0B
Q1 25
$1.9B
Q4 24
$1.9B
Q3 24
$1.9B
Q2 24
$1.8B
Q1 24
$1.8B
Total Assets
ESBA
ESBA
ONTO
ONTO
Q4 25
$4.5B
Q3 25
$4.1B
$2.2B
Q2 25
$4.1B
$2.1B
Q1 25
$4.1B
$2.1B
Q4 24
$4.5B
$2.1B
Q3 24
$4.4B
$2.1B
Q2 24
$4.4B
$2.0B
Q1 24
$4.2B
$2.0B

Cash Flow & Capital Efficiency

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

Metric
ESBA
ESBA
ONTO
ONTO
Operating Cash FlowLast quarter
$249.1M
$83.4M
Free Cash FlowOCF − Capex
$50.6M
$82.0M
FCF MarginFCF / Revenue
25.4%
37.6%
Capex IntensityCapex / Revenue
99.6%
0.6%
Cash ConversionOCF / Net Profit
7.74×
2.95×
TTM Free Cash FlowTrailing 4 quarters
$109.3M
$261.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ESBA
ESBA
ONTO
ONTO
Q4 25
$249.1M
Q3 25
$105.3M
$83.4M
Q2 25
$26.7M
$57.9M
Q1 25
$83.1M
$92.0M
Q4 24
$260.9M
$56.0M
Q3 24
$102.8M
$67.2M
Q2 24
$37.1M
$65.3M
Q1 24
$70.9M
$57.1M
Free Cash Flow
ESBA
ESBA
ONTO
ONTO
Q4 25
$50.6M
Q3 25
$72.8M
$82.0M
Q2 25
$-55.1M
$44.2M
Q1 25
$41.1M
$83.7M
Q4 24
$88.0M
$51.4M
Q3 24
$-65.1M
$59.2M
Q2 24
$19.5M
$53.0M
Q1 24
$23.2M
$50.2M
FCF Margin
ESBA
ESBA
ONTO
ONTO
Q4 25
25.4%
Q3 25
36.8%
37.6%
Q2 25
-28.8%
17.4%
Q1 25
22.8%
31.4%
Q4 24
44.5%
19.5%
Q3 24
-32.6%
23.5%
Q2 24
10.3%
21.9%
Q1 24
12.8%
21.9%
Capex Intensity
ESBA
ESBA
ONTO
ONTO
Q4 25
99.6%
Q3 25
16.5%
0.6%
Q2 25
42.8%
5.4%
Q1 25
23.4%
3.1%
Q4 24
87.5%
1.8%
Q3 24
84.1%
3.2%
Q2 24
9.3%
5.1%
Q1 24
26.3%
3.0%
Cash Conversion
ESBA
ESBA
ONTO
ONTO
Q4 25
7.74×
Q3 25
7.72×
2.95×
Q2 25
2.35×
1.71×
Q1 25
5.27×
1.44×
Q4 24
13.88×
1.15×
Q3 24
4.51×
1.27×
Q2 24
1.30×
1.23×
Q1 24
6.94×
1.22×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ESBA
ESBA

Real Estate Segment$163.8M82%
Observatory Segment$35.2M18%

ONTO
ONTO

Systems And Software Revenue$173.8M80%
Parts Revenue$23.9M11%
Service Revenue$20.5M9%

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