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Side-by-side financial comparison of RHYTHM PHARMACEUTICALS, INC. (RYTM) 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 $57.3M, roughly 1.6× RHYTHM PHARMACEUTICALS, INC.). Zhihu Inc. runs the higher net margin — 32.7% vs -83.0%, a 115.7% gap on every dollar of revenue. Over the past eight quarters, RHYTHM PHARMACEUTICALS, INC.'s revenue compounded faster (48.5% CAGR vs -19.0%).

Rhythm Pharmaceuticals is a biopharmaceutical firm focused on developing and commercializing targeted therapies for rare genetic disorders causing severe unmanageable obesity, including POMC deficiency, LEPR deficiency, and Bardet-Biedl syndrome. It serves patients in North America and Europe who lack effective standard treatments for their chronic life-altering conditions.

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.

RYTM vs ZH — Head-to-Head

Bigger by revenue
ZH
ZH
1.6× larger
ZH
$92.0M
$57.3M
RYTM
Higher net margin
ZH
ZH
115.7% more per $
ZH
32.7%
-83.0%
RYTM
Faster 2-yr revenue CAGR
RYTM
RYTM
Annualised
RYTM
48.5%
-19.0%
ZH

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
RYTM
RYTM
ZH
ZH
Revenue
$57.3M
$92.0M
Net Profit
$-47.5M
$30.1M
Gross Margin
91.6%
53.6%
Operating Margin
-82.2%
Net Margin
-83.0%
32.7%
Revenue YoY
36.9%
Net Profit YoY
-9.6%
EPS (diluted)
$-0.73

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
RYTM
RYTM
ZH
ZH
Q1 26
$92.0M
Q4 25
$57.3M
Q3 25
$51.3M
$92.6M
Q2 25
$48.5M
$100.1M
Q1 25
$32.7M
$100.6M
Q4 24
$41.8M
Q3 24
$33.3M
$120.4M
Q2 24
$29.1M
$128.5M
Net Profit
RYTM
RYTM
ZH
ZH
Q1 26
$30.1M
Q4 25
$-47.5M
Q3 25
$-52.9M
Q2 25
$-46.6M
Q1 25
$-49.5M
Q4 24
$-43.3M
Q3 24
$-43.6M
$-1.3M
Q2 24
$-32.3M
$-11.1M
Gross Margin
RYTM
RYTM
ZH
ZH
Q1 26
53.6%
Q4 25
91.6%
Q3 25
89.3%
61.3%
Q2 25
88.6%
62.5%
Q1 25
88.8%
61.8%
Q4 24
90.9%
Q3 24
88.5%
63.9%
Q2 24
89.9%
59.6%
Operating Margin
RYTM
RYTM
ZH
ZH
Q1 26
Q4 25
-82.2%
Q3 25
-102.6%
-15.1%
Q2 25
-93.4%
-12.7%
Q1 25
-143.7%
Q4 24
-98.6%
Q3 24
-132.0%
-10.0%
Q2 24
-139.2%
-19.7%
Net Margin
RYTM
RYTM
ZH
ZH
Q1 26
32.7%
Q4 25
-83.0%
Q3 25
-103.1%
Q2 25
-96.1%
Q1 25
-151.4%
Q4 24
-103.6%
Q3 24
-131.2%
-1.1%
Q2 24
-110.9%
-8.6%
EPS (diluted)
RYTM
RYTM
ZH
ZH
Q1 26
Q4 25
$-0.73
Q3 25
$-0.82
Q2 25
$-0.75
Q1 25
$-0.81
Q4 24
$-0.71
Q3 24
$-0.73
Q2 24
$-0.55

Balance Sheet & Financial Strength

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

Metric
RYTM
RYTM
ZH
ZH
Cash + ST InvestmentsLiquidity on hand
$388.9M
$481.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$139.1M
$554.1M
Total Assets
$480.2M
$742.3M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
RYTM
RYTM
ZH
ZH
Q1 26
$481.8M
Q4 25
$388.9M
Q3 25
$416.1M
$383.5M
Q2 25
$291.0M
$446.5M
Q1 25
$314.5M
$446.5M
Q4 24
$320.6M
Q3 24
$298.4M
$458.0M
Q2 24
$319.1M
$434.7M
Stockholders' Equity
RYTM
RYTM
ZH
ZH
Q1 26
$554.1M
Q4 25
$139.1M
Q3 25
$148.8M
$578.9M
Q2 25
$-11.9M
$587.4M
Q1 25
$18.9M
$573.2M
Q4 24
$21.7M
Q3 24
$11.2M
$619.2M
Q2 24
$39.3M
$605.5M
Total Assets
RYTM
RYTM
ZH
ZH
Q1 26
$742.3M
Q4 25
$480.2M
Q3 25
$506.9M
$772.8M
Q2 25
$372.7M
$802.2M
Q1 25
$386.7M
$783.1M
Q4 24
$392.3M
Q3 24
$363.6M
$856.2M
Q2 24
$381.8M
$840.5M

Cash Flow & Capital Efficiency

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

Metric
RYTM
RYTM
ZH
ZH
Operating Cash FlowLast quarter
$-25.4M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
RYTM
RYTM
ZH
ZH
Q1 26
Q4 25
$-25.4M
Q3 25
$-26.6M
Q2 25
$-23.3M
Q1 25
$-40.4M
Q4 24
$-18.8M
Q3 24
$-25.2M
Q2 24
$-29.1M

Financial Flow Comparison

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

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