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Side-by-side financial comparison of Equity Residential (EQR) and OSI SYSTEMS INC (OSIS). Click either name above to swap in a different company.

Equity Residential is the larger business by last-quarter revenue ($781.9M vs $464.1M, roughly 1.7× OSI SYSTEMS INC). Equity Residential runs the higher net margin — 48.9% vs 8.3%, a 40.5% gap on every dollar of revenue. On growth, OSI SYSTEMS INC posted the faster year-over-year revenue change (10.5% vs 2.0%). Over the past eight quarters, OSI SYSTEMS INC's revenue compounded faster (7.0% CAGR vs 3.4%).

Equity Residential is a United States–based publicly traded real estate investment trust that invests in apartments.

OSI Systems, Inc. is an American company based in California that develops and markets security and inspection systems such as airport security X-ray machines and metal detectors, medical monitoring and anesthesia systems, and optoelectronic devices. As of June 2010, the company employs approximately 3,180 personnel globally and includes subsidiary companies Spacelabs Healthcare, Rapiscan Systems and OSI Optoelectronics.

EQR vs OSIS — Head-to-Head

Bigger by revenue
EQR
EQR
1.7× larger
EQR
$781.9M
$464.1M
OSIS
Growing faster (revenue YoY)
OSIS
OSIS
+8.6% gap
OSIS
10.5%
2.0%
EQR
Higher net margin
EQR
EQR
40.5% more per $
EQR
48.9%
8.3%
OSIS
Faster 2-yr revenue CAGR
OSIS
OSIS
Annualised
OSIS
7.0%
3.4%
EQR

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
EQR
EQR
OSIS
OSIS
Revenue
$781.9M
$464.1M
Net Profit
$382.1M
$38.7M
Gross Margin
32.7%
Operating Margin
50.6%
12.7%
Net Margin
48.9%
8.3%
Revenue YoY
2.0%
10.5%
Net Profit YoY
-8.8%
2.3%
EPS (diluted)
$1.01
$2.22

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
EQR
EQR
OSIS
OSIS
Q4 25
$781.9M
$464.1M
Q3 25
$782.4M
$384.6M
Q2 25
$768.8M
$505.0M
Q1 25
$760.8M
$444.4M
Q4 24
$766.8M
$419.8M
Q3 24
$748.3M
$344.0M
Q2 24
$734.2M
$480.9M
Q1 24
$730.8M
$405.4M
Net Profit
EQR
EQR
OSIS
OSIS
Q4 25
$382.1M
$38.7M
Q3 25
$289.1M
$20.6M
Q2 25
$192.4M
$52.7M
Q1 25
$256.6M
$41.1M
Q4 24
$419.1M
$37.8M
Q3 24
$143.4M
$17.9M
Q2 24
$177.5M
$44.7M
Q1 24
$295.8M
$34.0M
Gross Margin
EQR
EQR
OSIS
OSIS
Q4 25
32.7%
Q3 25
32.0%
Q2 25
33.3%
Q1 25
33.8%
Q4 24
35.1%
Q3 24
35.3%
Q2 24
32.1%
Q1 24
33.6%
Operating Margin
EQR
EQR
OSIS
OSIS
Q4 25
50.6%
12.7%
Q3 25
38.5%
8.6%
Q2 25
26.6%
14.5%
Q1 25
35.7%
12.7%
Q4 24
57.2%
13.8%
Q3 24
20.1%
8.8%
Q2 24
25.3%
13.1%
Q1 24
42.0%
12.7%
Net Margin
EQR
EQR
OSIS
OSIS
Q4 25
48.9%
8.3%
Q3 25
36.9%
5.3%
Q2 25
25.0%
10.4%
Q1 25
33.7%
9.3%
Q4 24
54.7%
9.0%
Q3 24
19.2%
5.2%
Q2 24
24.2%
9.3%
Q1 24
40.5%
8.4%
EPS (diluted)
EQR
EQR
OSIS
OSIS
Q4 25
$1.01
$2.22
Q3 25
$0.76
$1.18
Q2 25
$0.50
$3.04
Q1 25
$0.67
$2.40
Q4 24
$1.10
$2.22
Q3 24
$0.38
$1.05
Q2 24
$0.47
$2.57
Q1 24
$0.77
$1.95

Balance Sheet & Financial Strength

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

Metric
EQR
EQR
OSIS
OSIS
Cash + ST InvestmentsLiquidity on hand
$55.9M
$336.7M
Total DebtLower is stronger
$8.2B
$1.0B
Stockholders' EquityBook value
$11.0B
$845.5M
Total Assets
$20.7B
$2.5B
Debt / EquityLower = less leverage
0.75×
1.19×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
EQR
EQR
OSIS
OSIS
Q4 25
$55.9M
$336.7M
Q3 25
$93.1M
$124.4M
Q2 25
$31.3M
$106.4M
Q1 25
$39.8M
$95.8M
Q4 24
$62.3M
$101.6M
Q3 24
$28.6M
$85.1M
Q2 24
$38.3M
$95.4M
Q1 24
$44.5M
$101.4M
Total Debt
EQR
EQR
OSIS
OSIS
Q4 25
$8.2B
$1.0B
Q3 25
$442.2M
Q2 25
$471.6M
Q1 25
$473.2M
Q4 24
$8.2B
$474.8M
Q3 24
$476.3M
Q2 24
$137.6M
Q1 24
Stockholders' Equity
EQR
EQR
OSIS
OSIS
Q4 25
$11.0B
$845.5M
Q3 25
$11.1B
$946.0M
Q2 25
$11.0B
$951.1M
Q1 25
$11.0B
$879.3M
Q4 24
$11.0B
$825.8M
Q3 24
$10.9B
$786.5M
Q2 24
$11.0B
$863.5M
Q1 24
$11.1B
$813.4M
Total Assets
EQR
EQR
OSIS
OSIS
Q4 25
$20.7B
$2.5B
Q3 25
$21.1B
$2.3B
Q2 25
$21.0B
$2.2B
Q1 25
$20.6B
$2.1B
Q4 24
$20.8B
$2.1B
Q3 24
$20.9B
$2.1B
Q2 24
$19.8B
$1.9B
Q1 24
$19.9B
$1.8B
Debt / Equity
EQR
EQR
OSIS
OSIS
Q4 25
0.75×
1.19×
Q3 25
0.47×
Q2 25
0.50×
Q1 25
0.54×
Q4 24
0.74×
0.57×
Q3 24
0.61×
Q2 24
0.16×
Q1 24

Cash Flow & Capital Efficiency

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

Metric
EQR
EQR
OSIS
OSIS
Operating Cash FlowLast quarter
$387.0M
$62.2M
Free Cash FlowOCF − Capex
$55.5M
FCF MarginFCF / Revenue
12.0%
Capex IntensityCapex / Revenue
1.4%
Cash ConversionOCF / Net Profit
1.01×
1.61×
TTM Free Cash FlowTrailing 4 quarters
$137.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
EQR
EQR
OSIS
OSIS
Q4 25
$387.0M
$62.2M
Q3 25
$476.7M
$17.1M
Q2 25
$359.5M
$562.0K
Q1 25
$425.5M
$81.6M
Q4 24
$354.2M
$52.5M
Q3 24
$401.4M
$-37.2M
Q2 24
$396.9M
$-29.0M
Q1 24
$421.0M
$-52.1M
Free Cash Flow
EQR
EQR
OSIS
OSIS
Q4 25
$55.5M
Q3 25
$10.1M
Q2 25
$-5.6M
Q1 25
$77.1M
Q4 24
$47.1M
Q3 24
$-44.9M
Q2 24
$-37.5M
Q1 24
$-57.0M
FCF Margin
EQR
EQR
OSIS
OSIS
Q4 25
12.0%
Q3 25
2.6%
Q2 25
-1.1%
Q1 25
17.4%
Q4 24
11.2%
Q3 24
-13.0%
Q2 24
-7.8%
Q1 24
-14.1%
Capex Intensity
EQR
EQR
OSIS
OSIS
Q4 25
1.4%
Q3 25
1.8%
Q2 25
1.2%
Q1 25
1.0%
Q4 24
1.3%
Q3 24
2.2%
Q2 24
1.8%
Q1 24
1.2%
Cash Conversion
EQR
EQR
OSIS
OSIS
Q4 25
1.01×
1.61×
Q3 25
1.65×
0.83×
Q2 25
1.87×
0.01×
Q1 25
1.66×
1.98×
Q4 24
0.85×
1.39×
Q3 24
2.80×
-2.07×
Q2 24
2.24×
-0.65×
Q1 24
1.42×
-1.53×

Financial Flow Comparison

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

Revenue Breakdown by Segment

EQR
EQR

Segment breakdown not available.

OSIS
OSIS

Security Division$334.7M72%
Optoelectronics And Manufacturing Division$92.8M20%
Healthcare Division$36.5M8%

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