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Side-by-side financial comparison of KKR Real Estate Finance Trust Inc. (KREF) and SURF AIR MOBILITY INC. (SRFM). Click either name above to swap in a different company.

SURF AIR MOBILITY INC. is the larger business by last-quarter revenue ($26.4M vs $25.8M, roughly 1.0× KKR Real Estate Finance Trust Inc.). KKR Real Estate Finance Trust Inc. runs the higher net margin — -101.7% vs -139.4%, a 37.7% gap on every dollar of revenue. On growth, SURF AIR MOBILITY INC. posted the faster year-over-year revenue change (-5.7% vs -26.6%). Over the past eight quarters, SURF AIR MOBILITY INC.'s revenue compounded faster (-7.1% CAGR vs -18.8%).

KKR Real Estate Finance Trust Inc. is a specialized real estate finance firm sponsored by global investment firm KKR. It primarily originates, acquires, and manages a portfolio of senior secured commercial real estate loans, mostly backed by high-quality institutional commercial properties across the United States, delivering stable risk-adjusted returns to investors via interest income from its diversified assets.

Surf Air Mobility Inc. is an American aviation company focused on regional flying. The company plans to develop electric and hybrid powertrains to upgrade existing aircraft. Surf Air Mobility is also developing AI-enabled SurfOS operating system for the regional air mobility industry. Surf Air Mobility is the parent company of Surf Air, Surf On Demand, and two airlines, Mokulele Airlines and Southern Airways Express.

KREF vs SRFM — Head-to-Head

Bigger by revenue
SRFM
SRFM
1.0× larger
SRFM
$26.4M
$25.8M
KREF
Growing faster (revenue YoY)
SRFM
SRFM
+20.9% gap
SRFM
-5.7%
-26.6%
KREF
Higher net margin
KREF
KREF
37.7% more per $
KREF
-101.7%
-139.4%
SRFM
Faster 2-yr revenue CAGR
SRFM
SRFM
Annualised
SRFM
-7.1%
-18.8%
KREF

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
KREF
KREF
SRFM
SRFM
Revenue
$25.8M
$26.4M
Net Profit
$-26.2M
$-36.9M
Gross Margin
Operating Margin
-105.1%
-97.8%
Net Margin
-101.7%
-139.4%
Revenue YoY
-26.6%
-5.7%
Net Profit YoY
-229.6%
-3015.3%
EPS (diluted)
$-0.49
$-0.08

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
KREF
KREF
SRFM
SRFM
Q4 25
$25.8M
$26.4M
Q3 25
$25.3M
$29.2M
Q2 25
$30.2M
$27.4M
Q1 25
$31.3M
$23.5M
Q4 24
$35.1M
$28.0M
Q3 24
$37.0M
$28.4M
Q2 24
$40.4M
$32.4M
Q1 24
$39.1M
$30.6M
Net Profit
KREF
KREF
SRFM
SRFM
Q4 25
$-26.2M
$-36.9M
Q3 25
$13.8M
$-27.2M
Q2 25
$-29.7M
$-28.0M
Q1 25
$-4.9M
$-18.5M
Q4 24
$20.3M
$1.3M
Q3 24
$-7.4M
$-12.2M
Q2 24
$25.8M
$-27.0M
Q1 24
$-3.1M
$-37.0M
Operating Margin
KREF
KREF
SRFM
SRFM
Q4 25
-105.1%
-97.8%
Q3 25
50.4%
-56.6%
Q2 25
-101.3%
-58.1%
Q1 25
-18.3%
-79.0%
Q4 24
55.8%
28.9%
Q3 24
-19.6%
-30.4%
Q2 24
63.3%
-78.0%
Q1 24
-8.7%
-112.6%
Net Margin
KREF
KREF
SRFM
SRFM
Q4 25
-101.7%
-139.4%
Q3 25
54.4%
-93.3%
Q2 25
-98.5%
-102.1%
Q1 25
-15.5%
-78.6%
Q4 24
57.7%
4.5%
Q3 24
-20.0%
-43.1%
Q2 24
63.9%
-83.4%
Q1 24
-7.9%
-120.7%
EPS (diluted)
KREF
KREF
SRFM
SRFM
Q4 25
$-0.49
$-0.08
Q3 25
$0.12
$-0.64
Q2 25
$-0.53
$-1.34
Q1 25
$-0.15
$-1.09
Q4 24
$0.22
$0.80
Q3 24
$-0.19
$-0.94
Q2 24
$0.29
$-2.31
Q1 24
$-0.13
$-3.35

Balance Sheet & Financial Strength

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

Metric
KREF
KREF
SRFM
SRFM
Cash + ST InvestmentsLiquidity on hand
$84.6M
$12.7M
Total DebtLower is stronger
$17.1M
Stockholders' EquityBook value
$1.2B
$-54.9M
Total Assets
$6.5B
$131.7M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
KREF
KREF
SRFM
SRFM
Q4 25
$84.6M
$12.7M
Q3 25
$204.1M
$7.1M
Q2 25
$107.7M
$22.6M
Q1 25
$106.4M
$6.6M
Q4 24
$104.9M
$21.1M
Q3 24
$108.8M
$506.0K
Q2 24
$107.2M
$1.5M
Q1 24
$106.5M
$1.3M
Total Debt
KREF
KREF
SRFM
SRFM
Q4 25
$17.1M
Q3 25
$63.8M
Q2 25
$63.3M
Q1 25
$62.9M
Q4 24
$62.4M
Q3 24
$22.5M
Q2 24
$23.3M
Q1 24
$25.1M
Stockholders' Equity
KREF
KREF
SRFM
SRFM
Q4 25
$1.2B
$-54.9M
Q3 25
$1.2B
$-92.6M
Q2 25
$1.2B
$-115.5M
Q1 25
$1.3B
$-135.6M
Q4 24
$1.3B
$-120.0M
Q3 24
$1.4B
$-135.6M
Q2 24
$1.4B
$-128.1M
Q1 24
$1.4B
$-106.3M
Total Assets
KREF
KREF
SRFM
SRFM
Q4 25
$6.5B
$131.7M
Q3 25
$6.5B
$106.8M
Q2 25
$6.8B
$129.0M
Q1 25
$6.6B
$105.3M
Q4 24
$6.4B
$124.1M
Q3 24
$6.8B
$97.9M
Q2 24
$7.1B
$105.5M
Q1 24
$7.3B
$108.8M

Cash Flow & Capital Efficiency

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

Metric
KREF
KREF
SRFM
SRFM
Operating Cash FlowLast quarter
$72.3M
$-18.4M
Free Cash FlowOCF − Capex
$-20.1M
FCF MarginFCF / Revenue
-76.0%
Capex IntensityCapex / Revenue
6.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-70.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
KREF
KREF
SRFM
SRFM
Q4 25
$72.3M
$-18.4M
Q3 25
$18.5M
$-19.3M
Q2 25
$21.1M
$-10.6M
Q1 25
$15.9M
$-15.8M
Q4 24
$132.6M
$-23.6M
Q3 24
$49.1M
$-12.3M
Q2 24
$30.6M
$-5.6M
Q1 24
$34.5M
$-12.8M
Free Cash Flow
KREF
KREF
SRFM
SRFM
Q4 25
$-20.1M
Q3 25
$-21.1M
Q2 25
$-11.9M
Q1 25
$-17.1M
Q4 24
$-32.7M
Q3 24
$-13.6M
Q2 24
$-6.3M
Q1 24
$-13.5M
FCF Margin
KREF
KREF
SRFM
SRFM
Q4 25
-76.0%
Q3 25
-72.2%
Q2 25
-43.2%
Q1 25
-72.6%
Q4 24
-116.5%
Q3 24
-47.8%
Q2 24
-19.5%
Q1 24
-44.2%
Capex Intensity
KREF
KREF
SRFM
SRFM
Q4 25
6.5%
Q3 25
5.9%
Q2 25
4.4%
Q1 25
5.4%
Q4 24
32.4%
Q3 24
4.4%
Q2 24
2.2%
Q1 24
2.3%
Cash Conversion
KREF
KREF
SRFM
SRFM
Q4 25
Q3 25
1.34×
Q2 25
Q1 25
Q4 24
6.54×
-18.64×
Q3 24
Q2 24
1.19×
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

KREF
KREF

Segment breakdown not available.

SRFM
SRFM

Scheduled$17.2M65%
On Demand$9.2M35%

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