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

OSI SYSTEMS INC is the larger business by last-quarter revenue ($464.1M vs $276.5M, roughly 1.7× SL GREEN REALTY CORP). OSI SYSTEMS INC runs the higher net margin — 8.3% vs -36.5%, a 44.8% gap on every dollar of revenue. On growth, SL GREEN REALTY CORP posted the faster year-over-year revenue change (12.4% vs 10.5%). Over the past eight quarters, SL GREEN REALTY CORP's revenue compounded faster (21.3% CAGR vs 7.0%).

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.

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".

OSIS vs SLG — Head-to-Head

Bigger by revenue
OSIS
OSIS
1.7× larger
OSIS
$464.1M
$276.5M
SLG
Growing faster (revenue YoY)
SLG
SLG
+1.9% gap
SLG
12.4%
10.5%
OSIS
Higher net margin
OSIS
OSIS
44.8% more per $
OSIS
8.3%
-36.5%
SLG
Faster 2-yr revenue CAGR
SLG
SLG
Annualised
SLG
21.3%
7.0%
OSIS

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
OSIS
OSIS
SLG
SLG
Revenue
$464.1M
$276.5M
Net Profit
$38.7M
$-100.8M
Gross Margin
32.7%
Operating Margin
12.7%
64.2%
Net Margin
8.3%
-36.5%
Revenue YoY
10.5%
12.4%
Net Profit YoY
2.3%
-870.0%
EPS (diluted)
$2.22
$-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
OSIS
OSIS
SLG
SLG
Q4 25
$464.1M
$276.5M
Q3 25
$384.6M
$244.8M
Q2 25
$505.0M
$241.9M
Q1 25
$444.4M
$239.8M
Q4 24
$419.8M
$245.9M
Q3 24
$344.0M
$229.7M
Q2 24
$480.9M
$222.8M
Q1 24
$405.4M
$187.9M
Net Profit
OSIS
OSIS
SLG
SLG
Q4 25
$38.7M
$-100.8M
Q3 25
$20.6M
$28.6M
Q2 25
$52.7M
$-7.4M
Q1 25
$41.1M
$-17.3M
Q4 24
$37.8M
$19.1M
Q3 24
$17.9M
$-9.5M
Q2 24
$44.7M
$1.6M
Q1 24
$34.0M
$16.9M
Gross Margin
OSIS
OSIS
SLG
SLG
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
OSIS
OSIS
SLG
SLG
Q4 25
12.7%
64.2%
Q3 25
8.6%
85.5%
Q2 25
14.5%
53.4%
Q1 25
12.7%
56.7%
Q4 24
13.8%
59.8%
Q3 24
8.8%
65.1%
Q2 24
13.1%
79.2%
Q1 24
12.7%
Net Margin
OSIS
OSIS
SLG
SLG
Q4 25
8.3%
-36.5%
Q3 25
5.3%
11.7%
Q2 25
10.4%
-3.0%
Q1 25
9.3%
-7.2%
Q4 24
9.0%
7.8%
Q3 24
5.2%
-4.2%
Q2 24
9.3%
0.7%
Q1 24
8.4%
9.0%
EPS (diluted)
OSIS
OSIS
SLG
SLG
Q4 25
$2.22
$-1.49
Q3 25
$1.18
$0.34
Q2 25
$3.04
$-0.16
Q1 25
$2.40
$-0.30
Q4 24
$2.22
$0.13
Q3 24
$1.05
$-0.21
Q2 24
$2.57
$-0.04
Q1 24
$1.95
$0.20

Balance Sheet & Financial Strength

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

Metric
OSIS
OSIS
SLG
SLG
Cash + ST InvestmentsLiquidity on hand
$336.7M
$155.7M
Total DebtLower is stronger
$1.0B
Stockholders' EquityBook value
$845.5M
$3.7B
Total Assets
$2.5B
$11.1B
Debt / EquityLower = less leverage
1.19×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
OSIS
OSIS
SLG
SLG
Q4 25
$336.7M
$155.7M
Q3 25
$124.4M
$187.0M
Q2 25
$106.4M
$182.9M
Q1 25
$95.8M
$180.1M
Q4 24
$101.6M
$184.3M
Q3 24
$85.1M
$188.2M
Q2 24
$95.4M
$199.5M
Q1 24
$101.4M
$196.0M
Total Debt
OSIS
OSIS
SLG
SLG
Q4 25
$1.0B
Q3 25
$442.2M
Q2 25
$471.6M
Q1 25
$473.2M
Q4 24
$474.8M
Q3 24
$476.3M
Q2 24
$137.6M
Q1 24
Stockholders' Equity
OSIS
OSIS
SLG
SLG
Q4 25
$845.5M
$3.7B
Q3 25
$946.0M
$3.8B
Q2 25
$951.1M
$3.8B
Q1 25
$879.3M
$3.8B
Q4 24
$825.8M
$4.0B
Q3 24
$786.5M
$3.6B
Q2 24
$863.5M
$3.7B
Q1 24
$813.4M
$3.7B
Total Assets
OSIS
OSIS
SLG
SLG
Q4 25
$2.5B
$11.1B
Q3 25
$2.3B
$11.1B
Q2 25
$2.2B
$11.3B
Q1 25
$2.1B
$11.4B
Q4 24
$2.1B
$10.5B
Q3 24
$2.1B
$10.2B
Q2 24
$1.9B
$9.5B
Q1 24
$1.8B
$9.8B
Debt / Equity
OSIS
OSIS
SLG
SLG
Q4 25
1.19×
Q3 25
0.47×
Q2 25
0.50×
Q1 25
0.54×
Q4 24
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
OSIS
OSIS
SLG
SLG
Operating Cash FlowLast quarter
$62.2M
$82.9M
Free Cash FlowOCF − Capex
$55.5M
FCF MarginFCF / Revenue
12.0%
Capex IntensityCapex / Revenue
1.4%
Cash ConversionOCF / Net Profit
1.61×
TTM Free Cash FlowTrailing 4 quarters
$137.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
OSIS
OSIS
SLG
SLG
Q4 25
$62.2M
$82.9M
Q3 25
$17.1M
$-6.8M
Q2 25
$562.0K
$54.5M
Q1 25
$81.6M
$6.7M
Q4 24
$52.5M
$129.6M
Q3 24
$-37.2M
$16.7M
Q2 24
$-29.0M
$79.4M
Q1 24
$-52.1M
$-24.7M
Free Cash Flow
OSIS
OSIS
SLG
SLG
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
OSIS
OSIS
SLG
SLG
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
OSIS
OSIS
SLG
SLG
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
OSIS
OSIS
SLG
SLG
Q4 25
1.61×
Q3 25
0.83×
-0.24×
Q2 25
0.01×
Q1 25
1.98×
Q4 24
1.39×
6.77×
Q3 24
-2.07×
Q2 24
-0.65×
50.33×
Q1 24
-1.53×
-1.46×

Financial Flow Comparison

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

Revenue Breakdown by Segment

OSIS
OSIS

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

SLG
SLG

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

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