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Side-by-side financial comparison of Ultragenyx Pharmaceutical Inc. (RARE) and ZIFF DAVIS, INC. (ZD). Click either name above to swap in a different company.

ZIFF DAVIS, INC. is the larger business by last-quarter revenue ($406.7M vs $207.3M, roughly 2.0× Ultragenyx Pharmaceutical Inc.). ZIFF DAVIS, INC. runs the higher net margin — 0.1% vs -62.0%, a 62.1% gap on every dollar of revenue. On growth, Ultragenyx Pharmaceutical Inc. posted the faster year-over-year revenue change (25.9% vs -1.5%). ZIFF DAVIS, INC. produced more free cash flow last quarter ($157.8M vs $-100.8M). Over the past eight quarters, Ultragenyx Pharmaceutical Inc.'s revenue compounded faster (38.0% CAGR vs 13.7%).

Ultragenyx Pharmaceutical Inc. is an American biopharmaceutical company involved in the research and development of novel products for treatment of rare and ultra-rare genetic diseases for which there are typically no approved treatments and high unmet medical need. The company works with multiple drug modalities including biologics, small molecule, gene therapies, and ASO and mRNAs in the disease categories of bone, endocrine, metabolic, muscle and CNS diseases.

Ziff Davis, Inc. is an American digital media and Internet company. Founded in 1927 by William Bernard Ziff Sr. and Bernard George Davis, the company primarily owns technology- and health-oriented media websites, online shopping-related services, Internet connectivity services, gaming and entertainment brands, and cybersecurity and martech tools. Previously, the company was predominantly a publisher of hobbyist magazines.

RARE vs ZD — Head-to-Head

Bigger by revenue
ZD
ZD
2.0× larger
ZD
$406.7M
$207.3M
RARE
Growing faster (revenue YoY)
RARE
RARE
+27.4% gap
RARE
25.9%
-1.5%
ZD
Higher net margin
ZD
ZD
62.1% more per $
ZD
0.1%
-62.0%
RARE
More free cash flow
ZD
ZD
$258.5M more FCF
ZD
$157.8M
$-100.8M
RARE
Faster 2-yr revenue CAGR
RARE
RARE
Annualised
RARE
38.0%
13.7%
ZD

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
RARE
RARE
ZD
ZD
Revenue
$207.3M
$406.7M
Net Profit
$-128.6M
$370.0K
Gross Margin
85.9%
Operating Margin
-54.7%
21.2%
Net Margin
-62.0%
0.1%
Revenue YoY
25.9%
-1.5%
Net Profit YoY
3.5%
-99.4%
EPS (diluted)
$-1.28
$0.06

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
RARE
RARE
ZD
ZD
Q4 25
$207.3M
$406.7M
Q3 25
$159.9M
$363.7M
Q2 25
$166.5M
$352.2M
Q1 25
$139.3M
$328.6M
Q4 24
$164.6M
$412.8M
Q3 24
$139.5M
$353.6M
Q2 24
$147.0M
$320.8M
Q1 24
$108.8M
$314.5M
Net Profit
RARE
RARE
ZD
ZD
Q4 25
$-128.6M
$370.0K
Q3 25
$-180.4M
$-3.6M
Q2 25
$-115.0M
$26.3M
Q1 25
$-151.1M
$24.2M
Q4 24
$-133.2M
$64.1M
Q3 24
$-133.5M
$-48.6M
Q2 24
$-131.6M
$36.9M
Q1 24
$-170.7M
$10.6M
Gross Margin
RARE
RARE
ZD
ZD
Q4 25
85.9%
Q3 25
85.4%
Q2 25
86.1%
Q1 25
85.6%
Q4 24
87.1%
Q3 24
85.5%
Q2 24
84.4%
Q1 24
85.4%
Operating Margin
RARE
RARE
ZD
ZD
Q4 25
-54.7%
21.2%
Q3 25
-106.9%
7.8%
Q2 25
-64.8%
9.5%
Q1 25
-102.6%
10.7%
Q4 24
-74.3%
19.0%
Q3 24
-94.6%
-8.3%
Q2 24
-79.1%
8.9%
Q1 24
-151.9%
11.4%
Net Margin
RARE
RARE
ZD
ZD
Q4 25
-62.0%
0.1%
Q3 25
-112.8%
-1.0%
Q2 25
-69.0%
7.5%
Q1 25
-108.5%
7.4%
Q4 24
-80.9%
15.5%
Q3 24
-95.7%
-13.7%
Q2 24
-89.5%
11.5%
Q1 24
-156.8%
3.4%
EPS (diluted)
RARE
RARE
ZD
ZD
Q4 25
$-1.28
$0.06
Q3 25
$-1.81
$-0.09
Q2 25
$-1.17
$0.62
Q1 25
$-1.57
$0.56
Q4 24
$-1.34
$1.53
Q3 24
$-1.40
$-1.11
Q2 24
$-1.52
$0.77
Q1 24
$-2.03
$0.23

Balance Sheet & Financial Strength

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

Metric
RARE
RARE
ZD
ZD
Cash + ST InvestmentsLiquidity on hand
$421.0M
$607.0M
Total DebtLower is stronger
$866.5M
Stockholders' EquityBook value
$-80.0M
$1.8B
Total Assets
$1.5B
$3.7B
Debt / EquityLower = less leverage
0.49×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
RARE
RARE
ZD
ZD
Q4 25
$421.0M
$607.0M
Q3 25
$202.5M
$503.4M
Q2 25
$176.3M
$457.3M
Q1 25
$127.1M
$431.0M
Q4 24
$174.0M
$505.9M
Q3 24
$150.6M
$386.1M
Q2 24
$480.7M
$687.2M
Q1 24
$112.3M
$751.2M
Total Debt
RARE
RARE
ZD
ZD
Q4 25
$866.5M
Q3 25
Q2 25
Q1 25
Q4 24
$864.3M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
RARE
RARE
ZD
ZD
Q4 25
$-80.0M
$1.8B
Q3 25
$9.2M
$1.8B
Q2 25
$151.3M
$1.8B
Q1 25
$144.2M
$1.8B
Q4 24
$255.0M
$1.8B
Q3 24
$346.8M
$1.8B
Q2 24
$432.4M
$1.9B
Q1 24
$140.3M
$1.9B
Total Assets
RARE
RARE
ZD
ZD
Q4 25
$1.5B
$3.7B
Q3 25
$1.2B
$3.5B
Q2 25
$1.3B
$3.5B
Q1 25
$1.3B
$3.5B
Q4 24
$1.5B
$3.7B
Q3 24
$1.5B
$3.4B
Q2 24
$1.6B
$3.7B
Q1 24
$1.3B
$3.7B
Debt / Equity
RARE
RARE
ZD
ZD
Q4 25
0.49×
Q3 25
Q2 25
Q1 25
Q4 24
0.48×
Q3 24
Q2 24
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
RARE
RARE
ZD
ZD
Operating Cash FlowLast quarter
$-99.8M
$191.1M
Free Cash FlowOCF − Capex
$-100.8M
$157.8M
FCF MarginFCF / Revenue
-48.6%
38.8%
Capex IntensityCapex / Revenue
0.5%
8.2%
Cash ConversionOCF / Net Profit
516.44×
TTM Free Cash FlowTrailing 4 quarters
$-472.0M
$287.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
RARE
RARE
ZD
ZD
Q4 25
$-99.8M
$191.1M
Q3 25
$-91.4M
$138.3M
Q2 25
$-108.3M
$57.1M
Q1 25
$-166.5M
$20.6M
Q4 24
$-79.3M
$158.2M
Q3 24
$-67.0M
$106.0M
Q2 24
$-77.0M
$50.6M
Q1 24
$-190.7M
$75.6M
Free Cash Flow
RARE
RARE
ZD
ZD
Q4 25
$-100.8M
$157.8M
Q3 25
$-92.7M
$108.2M
Q2 25
$-110.7M
$26.9M
Q1 25
$-167.8M
$-5.0M
Q4 24
$-79.5M
$131.1M
Q3 24
$-68.6M
$80.1M
Q2 24
$-79.0M
$25.1M
Q1 24
$-193.9M
$47.4M
FCF Margin
RARE
RARE
ZD
ZD
Q4 25
-48.6%
38.8%
Q3 25
-58.0%
29.7%
Q2 25
-66.5%
7.6%
Q1 25
-120.5%
-1.5%
Q4 24
-48.3%
31.8%
Q3 24
-49.2%
22.7%
Q2 24
-53.7%
7.8%
Q1 24
-178.2%
15.1%
Capex Intensity
RARE
RARE
ZD
ZD
Q4 25
0.5%
8.2%
Q3 25
0.8%
8.3%
Q2 25
1.5%
8.6%
Q1 25
1.0%
7.8%
Q4 24
0.1%
6.6%
Q3 24
1.2%
7.3%
Q2 24
1.4%
8.0%
Q1 24
3.0%
8.9%
Cash Conversion
RARE
RARE
ZD
ZD
Q4 25
516.44×
Q3 25
Q2 25
2.17×
Q1 25
0.85×
Q4 24
2.47×
Q3 24
Q2 24
1.37×
Q1 24
7.11×

Financial Flow Comparison

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

Revenue Breakdown by Segment

RARE
RARE

Royalty$105.6M51%
Products$101.7M49%

ZD
ZD

Health And Wellness$114.8M28%
Technology And Shopping$108.9M27%
Cybersecurity And Martech Segment$70.9M17%
Connectivity$60.3M15%
Gaming And Entertainment$51.7M13%
Subscription And Licensing$2.9M1%

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