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Side-by-side financial comparison of KILROY REALTY CORP (KRC) and Ultragenyx Pharmaceutical Inc. (RARE). Click either name above to swap in a different company.

KILROY REALTY CORP is the larger business by last-quarter revenue ($272.2M vs $207.3M, roughly 1.3× Ultragenyx Pharmaceutical Inc.). KILROY REALTY CORP runs the higher net margin — 6.3% vs -62.0%, a 68.3% gap on every dollar of revenue. On growth, Ultragenyx Pharmaceutical Inc. posted the faster year-over-year revenue change (25.9% vs -5.0%). KILROY REALTY CORP produced more free cash flow last quarter ($450.3M vs $-100.8M). Over the past eight quarters, Ultragenyx Pharmaceutical Inc.'s revenue compounded faster (38.0% CAGR vs -1.2%).

Kilroy Realty Corp is a leading U.S. real estate investment trust that develops, owns, and operates premium office, life science, and mixed-use properties primarily across high-growth West Coast markets including Los Angeles, San Francisco, Seattle, and San Diego. It serves tenants across the technology, life sciences, media, and creative sectors, with a core focus on delivering sustainable, future-ready workspaces tailored to modern business needs.

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.

KRC vs RARE — Head-to-Head

Bigger by revenue
KRC
KRC
1.3× larger
KRC
$272.2M
$207.3M
RARE
Growing faster (revenue YoY)
RARE
RARE
+30.8% gap
RARE
25.9%
-5.0%
KRC
Higher net margin
KRC
KRC
68.3% more per $
KRC
6.3%
-62.0%
RARE
More free cash flow
KRC
KRC
$551.1M more FCF
KRC
$450.3M
$-100.8M
RARE
Faster 2-yr revenue CAGR
RARE
RARE
Annualised
RARE
38.0%
-1.2%
KRC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
KRC
KRC
RARE
RARE
Revenue
$272.2M
$207.3M
Net Profit
$17.1M
$-128.6M
Gross Margin
Operating Margin
-54.7%
Net Margin
6.3%
-62.0%
Revenue YoY
-5.0%
25.9%
Net Profit YoY
-73.7%
3.5%
EPS (diluted)
$0.11
$-1.28

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
KRC
KRC
RARE
RARE
Q4 25
$272.2M
$207.3M
Q3 25
$279.7M
$159.9M
Q2 25
$289.9M
$166.5M
Q1 25
$270.8M
$139.3M
Q4 24
$286.4M
$164.6M
Q3 24
$289.9M
$139.5M
Q2 24
$280.7M
$147.0M
Q1 24
$278.6M
$108.8M
Net Profit
KRC
KRC
RARE
RARE
Q4 25
$17.1M
$-128.6M
Q3 25
$162.3M
$-180.4M
Q2 25
$79.6M
$-115.0M
Q1 25
$43.7M
$-151.1M
Q4 24
$65.0M
$-133.2M
Q3 24
$57.7M
$-133.5M
Q2 24
$54.5M
$-131.6M
Q1 24
$55.7M
$-170.7M
Operating Margin
KRC
KRC
RARE
RARE
Q4 25
-54.7%
Q3 25
-106.9%
Q2 25
-64.8%
Q1 25
-102.6%
Q4 24
-74.3%
Q3 24
-94.6%
Q2 24
-79.1%
Q1 24
-151.9%
Net Margin
KRC
KRC
RARE
RARE
Q4 25
6.3%
-62.0%
Q3 25
58.0%
-112.8%
Q2 25
27.4%
-69.0%
Q1 25
16.1%
-108.5%
Q4 24
22.7%
-80.9%
Q3 24
19.9%
-95.7%
Q2 24
19.4%
-89.5%
Q1 24
20.0%
-156.8%
EPS (diluted)
KRC
KRC
RARE
RARE
Q4 25
$0.11
$-1.28
Q3 25
$1.31
$-1.81
Q2 25
$0.57
$-1.17
Q1 25
$0.33
$-1.57
Q4 24
$0.50
$-1.34
Q3 24
$0.44
$-1.40
Q2 24
$0.41
$-1.52
Q1 24
$0.42
$-2.03

Balance Sheet & Financial Strength

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

Metric
KRC
KRC
RARE
RARE
Cash + ST InvestmentsLiquidity on hand
$179.3M
$421.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$5.4B
$-80.0M
Total Assets
$10.9B
$1.5B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
KRC
KRC
RARE
RARE
Q4 25
$179.3M
$421.0M
Q3 25
$372.4M
$202.5M
Q2 25
$193.1M
$176.3M
Q1 25
$146.7M
$127.1M
Q4 24
$165.7M
$174.0M
Q3 24
$625.4M
$150.6M
Q2 24
$835.9M
$480.7M
Q1 24
$855.0M
$112.3M
Stockholders' Equity
KRC
KRC
RARE
RARE
Q4 25
$5.4B
$-80.0M
Q3 25
$5.5B
$9.2M
Q2 25
$5.4B
$151.3M
Q1 25
$5.4B
$144.2M
Q4 24
$5.4B
$255.0M
Q3 24
$5.4B
$346.8M
Q2 24
$5.4B
$432.4M
Q1 24
$5.4B
$140.3M
Total Assets
KRC
KRC
RARE
RARE
Q4 25
$10.9B
$1.5B
Q3 25
$11.0B
$1.2B
Q2 25
$10.9B
$1.3B
Q1 25
$10.9B
$1.3B
Q4 24
$10.9B
$1.5B
Q3 24
$11.4B
$1.5B
Q2 24
$11.5B
$1.6B
Q1 24
$11.6B
$1.3B

Cash Flow & Capital Efficiency

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

Metric
KRC
KRC
RARE
RARE
Operating Cash FlowLast quarter
$566.3M
$-99.8M
Free Cash FlowOCF − Capex
$450.3M
$-100.8M
FCF MarginFCF / Revenue
165.4%
-48.6%
Capex IntensityCapex / Revenue
42.6%
0.5%
Cash ConversionOCF / Net Profit
33.10×
TTM Free Cash FlowTrailing 4 quarters
$833.0M
$-472.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
KRC
KRC
RARE
RARE
Q4 25
$566.3M
$-99.8M
Q3 25
$176.6M
$-91.4M
Q2 25
$143.7M
$-108.3M
Q1 25
$136.9M
$-166.5M
Q4 24
$541.1M
$-79.3M
Q3 24
$176.3M
$-67.0M
Q2 24
$88.7M
$-77.0M
Q1 24
$167.9M
$-190.7M
Free Cash Flow
KRC
KRC
RARE
RARE
Q4 25
$450.3M
$-100.8M
Q3 25
$148.7M
$-92.7M
Q2 25
$118.4M
$-110.7M
Q1 25
$115.6M
$-167.8M
Q4 24
$440.8M
$-79.5M
Q3 24
$147.2M
$-68.6M
Q2 24
$69.5M
$-79.0M
Q1 24
$151.9M
$-193.9M
FCF Margin
KRC
KRC
RARE
RARE
Q4 25
165.4%
-48.6%
Q3 25
53.1%
-58.0%
Q2 25
40.9%
-66.5%
Q1 25
42.7%
-120.5%
Q4 24
153.9%
-48.3%
Q3 24
50.8%
-49.2%
Q2 24
24.7%
-53.7%
Q1 24
54.5%
-178.2%
Capex Intensity
KRC
KRC
RARE
RARE
Q4 25
42.6%
0.5%
Q3 25
10.0%
0.8%
Q2 25
8.7%
1.5%
Q1 25
7.9%
1.0%
Q4 24
35.0%
0.1%
Q3 24
10.1%
1.2%
Q2 24
6.8%
1.4%
Q1 24
5.7%
3.0%
Cash Conversion
KRC
KRC
RARE
RARE
Q4 25
33.10×
Q3 25
1.09×
Q2 25
1.81×
Q1 25
3.13×
Q4 24
8.32×
Q3 24
3.06×
Q2 24
1.63×
Q1 24
3.01×

Financial Flow Comparison

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

Revenue Breakdown by Segment

KRC
KRC

Segment breakdown not available.

RARE
RARE

Royalty$105.6M51%
Products$101.7M49%

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