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

KILROY REALTY CORP is the larger business by last-quarter revenue ($272.2M vs $139.3M, roughly 2.0× Proto Labs Inc). KILROY REALTY CORP runs the higher net margin — 6.3% vs 5.8%, a 0.5% gap on every dollar of revenue. On growth, Proto Labs Inc posted the faster year-over-year revenue change (10.4% vs -5.0%). Over the past eight quarters, Proto Labs Inc's revenue compounded faster (5.3% 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.

Protolabs is a company that provides rapid manufacturing of 3D printed, CNC-machined, sheet metal, and injection-molded custom parts for prototyping and production. Markets like medical devices, aerospace, electronics, appliances, automotive and consumer products use these parts. Protolabs' headquarters are located in Maple Plain, Minnesota, with Minnesota-based manufacturing facilities in Plymouth, Brooklyn Park, and Rosemount, along with additional facilities in Nashua, New Hampshire and Ca...

KRC vs PRLB — Head-to-Head

Bigger by revenue
KRC
KRC
2.0× larger
KRC
$272.2M
$139.3M
PRLB
Growing faster (revenue YoY)
PRLB
PRLB
+15.4% gap
PRLB
10.4%
-5.0%
KRC
Higher net margin
KRC
KRC
0.5% more per $
KRC
6.3%
5.8%
PRLB
Faster 2-yr revenue CAGR
PRLB
PRLB
Annualised
PRLB
5.3%
-1.2%
KRC

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
KRC
KRC
PRLB
PRLB
Revenue
$272.2M
$139.3M
Net Profit
$17.1M
$8.1M
Gross Margin
45.6%
Operating Margin
7.1%
Net Margin
6.3%
5.8%
Revenue YoY
-5.0%
10.4%
Net Profit YoY
-73.7%
125.4%
EPS (diluted)
$0.11
$0.29

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
PRLB
PRLB
Q1 26
$139.3M
Q4 25
$272.2M
$136.5M
Q3 25
$279.7M
$135.4M
Q2 25
$289.9M
$135.1M
Q1 25
$270.8M
$126.2M
Q4 24
$286.4M
$121.8M
Q3 24
$289.9M
$125.6M
Q2 24
$280.7M
$125.6M
Net Profit
KRC
KRC
PRLB
PRLB
Q1 26
$8.1M
Q4 25
$17.1M
Q3 25
$162.3M
$7.2M
Q2 25
$79.6M
$4.4M
Q1 25
$43.7M
$3.6M
Q4 24
$65.0M
Q3 24
$57.7M
$7.2M
Q2 24
$54.5M
$4.5M
Gross Margin
KRC
KRC
PRLB
PRLB
Q1 26
45.6%
Q4 25
44.2%
Q3 25
45.3%
Q2 25
44.3%
Q1 25
44.1%
Q4 24
42.7%
Q3 24
45.6%
Q2 24
45.0%
Operating Margin
KRC
KRC
PRLB
PRLB
Q1 26
7.1%
Q4 25
5.0%
Q3 25
6.5%
Q2 25
3.7%
Q1 25
3.6%
Q4 24
-1.2%
Q3 24
6.8%
Q2 24
4.8%
Net Margin
KRC
KRC
PRLB
PRLB
Q1 26
5.8%
Q4 25
6.3%
Q3 25
58.0%
5.3%
Q2 25
27.4%
3.3%
Q1 25
16.1%
2.9%
Q4 24
22.7%
Q3 24
19.9%
5.7%
Q2 24
19.4%
3.6%
EPS (diluted)
KRC
KRC
PRLB
PRLB
Q1 26
$0.29
Q4 25
$0.11
$0.25
Q3 25
$1.31
$0.30
Q2 25
$0.57
$0.18
Q1 25
$0.33
$0.15
Q4 24
$0.50
$-0.01
Q3 24
$0.44
$0.29
Q2 24
$0.41
$0.18

Balance Sheet & Financial Strength

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

Metric
KRC
KRC
PRLB
PRLB
Cash + ST InvestmentsLiquidity on hand
$179.3M
$124.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$5.4B
$683.1M
Total Assets
$10.9B
$778.6M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
KRC
KRC
PRLB
PRLB
Q1 26
$124.0M
Q4 25
$179.3M
$128.1M
Q3 25
$372.4M
$119.2M
Q2 25
$193.1M
$103.2M
Q1 25
$146.7M
$96.8M
Q4 24
$165.7M
$103.1M
Q3 24
$625.4M
$100.5M
Q2 24
$835.9M
$112.9M
Stockholders' Equity
KRC
KRC
PRLB
PRLB
Q1 26
$683.1M
Q4 25
$5.4B
$673.9M
Q3 25
$5.5B
$664.7M
Q2 25
$5.4B
$664.7M
Q1 25
$5.4B
$656.8M
Q4 24
$5.4B
$670.2M
Q3 24
$5.4B
$680.0M
Q2 24
$5.4B
$685.2M
Total Assets
KRC
KRC
PRLB
PRLB
Q1 26
$778.6M
Q4 25
$10.9B
$763.4M
Q3 25
$11.0B
$756.9M
Q2 25
$10.9B
$743.3M
Q1 25
$10.9B
$737.5M
Q4 24
$10.9B
$743.5M
Q3 24
$11.4B
$753.8M
Q2 24
$11.5B
$758.2M

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
PRLB
PRLB
Operating Cash FlowLast quarter
$566.3M
$17.5M
Free Cash FlowOCF − Capex
$450.3M
FCF MarginFCF / Revenue
165.4%
Capex IntensityCapex / Revenue
42.6%
Cash ConversionOCF / Net Profit
33.10×
2.16×
TTM Free Cash FlowTrailing 4 quarters
$833.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
KRC
KRC
PRLB
PRLB
Q1 26
$17.5M
Q4 25
$566.3M
$16.5M
Q3 25
$176.6M
$29.1M
Q2 25
$143.7M
$10.6M
Q1 25
$136.9M
$18.4M
Q4 24
$541.1M
$17.3M
Q3 24
$176.3M
$24.8M
Q2 24
$88.7M
$14.4M
Free Cash Flow
KRC
KRC
PRLB
PRLB
Q1 26
Q4 25
$450.3M
$8.4M
Q3 25
$148.7M
$25.0M
Q2 25
$118.4M
$9.1M
Q1 25
$115.6M
$17.1M
Q4 24
$440.8M
$16.5M
Q3 24
$147.2M
$23.2M
Q2 24
$69.5M
$10.2M
FCF Margin
KRC
KRC
PRLB
PRLB
Q1 26
Q4 25
165.4%
6.2%
Q3 25
53.1%
18.5%
Q2 25
40.9%
6.7%
Q1 25
42.7%
13.6%
Q4 24
153.9%
13.5%
Q3 24
50.8%
18.5%
Q2 24
24.7%
8.2%
Capex Intensity
KRC
KRC
PRLB
PRLB
Q1 26
Q4 25
42.6%
5.9%
Q3 25
10.0%
3.0%
Q2 25
8.7%
1.1%
Q1 25
7.9%
1.0%
Q4 24
35.0%
0.7%
Q3 24
10.1%
1.2%
Q2 24
6.8%
3.3%
Cash Conversion
KRC
KRC
PRLB
PRLB
Q1 26
2.16×
Q4 25
33.10×
Q3 25
1.09×
4.03×
Q2 25
1.81×
2.39×
Q1 25
3.13×
5.11×
Q4 24
8.32×
Q3 24
3.06×
3.44×
Q2 24
1.63×
3.18×

Financial Flow Comparison

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

Revenue Breakdown by Segment

KRC
KRC

Segment breakdown not available.

PRLB
PRLB

CNC Machining$63.2M45%
Injection Molding$51.1M37%
3D Printing$20.5M15%
Sheet Metal$4.4M3%
Other Revenue$207.0K0%

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