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Side-by-side financial comparison of STAAR SURGICAL CO (STAA) and Zhihu Inc. (ZH). Click either name above to swap in a different company.

Zhihu Inc. is the larger business by last-quarter revenue ($92.0M vs $49.0M, roughly 1.9× STAAR SURGICAL CO). Zhihu Inc. runs the higher net margin — 32.7% vs -69.9%, a 102.6% gap on every dollar of revenue. Over the past eight quarters, STAAR SURGICAL CO's revenue compounded faster (-18.4% CAGR vs -19.0%).

STAAR Surgical Co is a global ophthalmic medical device firm. It designs, makes and sells implantable collamer lenses (ICLs) for minimally invasive vision correction, plus supporting surgical products for ophthalmologists across North America, Europe, Asia Pacific and other key regional markets.

Zhihu is a Chinese social question and answer site and news aggregator. Originally based in Chengdu and with creators from Sichuan, China, the website launched on January 26, 2011. The number of registered users on Zhihu exceeded 10 million by the end of 2013, and reached 17 million as of May 2015, with 250 million monthly page views.

STAA vs ZH — Head-to-Head

Bigger by revenue
ZH
ZH
1.9× larger
ZH
$92.0M
$49.0M
STAA
Higher net margin
ZH
ZH
102.6% more per $
ZH
32.7%
-69.9%
STAA
Faster 2-yr revenue CAGR
STAA
STAA
Annualised
STAA
-18.4%
-19.0%
ZH

Income Statement — Q4 FY2024 vs Q1 FY2026

Metric
STAA
STAA
ZH
ZH
Revenue
$49.0M
$92.0M
Net Profit
$-34.2M
$30.1M
Gross Margin
64.7%
53.6%
Operating Margin
-57.0%
Net Margin
-69.9%
32.7%
Revenue YoY
-35.8%
Net Profit YoY
-541.3%
EPS (diluted)
$-0.69

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
STAA
STAA
ZH
ZH
Q1 26
$92.0M
Q3 25
$92.6M
Q2 25
$100.1M
Q1 25
$100.6M
Q4 24
$49.0M
Q3 24
$88.6M
$120.4M
Q2 24
$99.0M
$128.5M
Q1 24
$77.4M
$133.1M
Net Profit
STAA
STAA
ZH
ZH
Q1 26
$30.1M
Q3 25
Q2 25
Q1 25
Q4 24
$-34.2M
Q3 24
$10.0M
$-1.3M
Q2 24
$7.4M
$-11.1M
Q1 24
$-3.3M
$-23.0M
Gross Margin
STAA
STAA
ZH
ZH
Q1 26
53.6%
Q3 25
61.3%
Q2 25
62.5%
Q1 25
61.8%
Q4 24
64.7%
Q3 24
77.3%
63.9%
Q2 24
79.2%
59.6%
Q1 24
78.9%
56.6%
Operating Margin
STAA
STAA
ZH
ZH
Q1 26
Q3 25
-15.1%
Q2 25
-12.7%
Q1 25
Q4 24
-57.0%
Q3 24
6.4%
-10.0%
Q2 24
12.0%
-19.7%
Q1 24
-2.9%
-23.4%
Net Margin
STAA
STAA
ZH
ZH
Q1 26
32.7%
Q3 25
Q2 25
Q1 25
Q4 24
-69.9%
Q3 24
11.3%
-1.1%
Q2 24
7.5%
-8.6%
Q1 24
-4.3%
-17.3%
EPS (diluted)
STAA
STAA
ZH
ZH
Q1 26
Q3 25
Q2 25
Q1 25
Q4 24
$-0.69
Q3 24
$0.20
Q2 24
$0.15
Q1 24
$-0.07

Balance Sheet & Financial Strength

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

Metric
STAA
STAA
ZH
ZH
Cash + ST InvestmentsLiquidity on hand
$230.5M
$481.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$397.3M
$554.1M
Total Assets
$509.5M
$742.3M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
STAA
STAA
ZH
ZH
Q1 26
$481.8M
Q3 25
$383.5M
Q2 25
$446.5M
Q1 25
$446.5M
Q4 24
$230.5M
Q3 24
$236.0M
$458.0M
Q2 24
$235.2M
$434.7M
Q1 24
$245.1M
$303.9M
Stockholders' Equity
STAA
STAA
ZH
ZH
Q1 26
$554.1M
Q3 25
$578.9M
Q2 25
$587.4M
Q1 25
$573.2M
Q4 24
$397.3M
Q3 24
$428.1M
$619.2M
Q2 24
$409.1M
$605.5M
Q1 24
$392.8M
$624.3M
Total Assets
STAA
STAA
ZH
ZH
Q1 26
$742.3M
Q3 25
$772.8M
Q2 25
$802.2M
Q1 25
$783.1M
Q4 24
$509.5M
Q3 24
$537.6M
$856.2M
Q2 24
$512.7M
$840.5M
Q1 24
$492.5M
$905.1M

Cash Flow & Capital Efficiency

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

Metric
STAA
STAA
ZH
ZH
Operating Cash FlowLast quarter
$642.0K
Free Cash FlowOCF − Capex
$-5.1M
FCF MarginFCF / Revenue
-10.4%
Capex IntensityCapex / Revenue
11.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-7.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
STAA
STAA
ZH
ZH
Q1 26
Q3 25
Q2 25
Q1 25
Q4 24
$642.0K
Q3 24
$3.8M
Q2 24
$-10.4M
Q1 24
$21.7M
Free Cash Flow
STAA
STAA
ZH
ZH
Q1 26
Q3 25
Q2 25
Q1 25
Q4 24
$-5.1M
Q3 24
$-2.4M
Q2 24
$-16.6M
Q1 24
$16.5M
FCF Margin
STAA
STAA
ZH
ZH
Q1 26
Q3 25
Q2 25
Q1 25
Q4 24
-10.4%
Q3 24
-2.7%
Q2 24
-16.8%
Q1 24
21.3%
Capex Intensity
STAA
STAA
ZH
ZH
Q1 26
Q3 25
Q2 25
Q1 25
Q4 24
11.7%
Q3 24
7.0%
Q2 24
6.3%
Q1 24
6.7%
Cash Conversion
STAA
STAA
ZH
ZH
Q1 26
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
0.38×
Q2 24
-1.41×
Q1 24

Financial Flow Comparison

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

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