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Side-by-side financial comparison of MP Materials Corp. (MP) and SmartStop Self Storage REIT, Inc. (SMA). Click either name above to swap in a different company.

SmartStop Self Storage REIT, Inc. is the larger business by last-quarter revenue ($78.4M vs $52.7M, roughly 1.5× MP Materials Corp.). MP Materials Corp. runs the higher net margin — 17.9% vs 3.8%, a 14.1% gap on every dollar of revenue. On growth, SmartStop Self Storage REIT, Inc. posted the faster year-over-year revenue change (29.4% vs -13.6%). Over the past eight quarters, SmartStop Self Storage REIT, Inc.'s revenue compounded faster (17.3% CAGR vs 4.0%).

MP Materials Corp. is a U.S.-based producer of rare earth materials. The company owns and operates the Mountain Pass mine in California, the only active rare earth mining and processing facility in the Western Hemisphere, producing essential materials for electric vehicles, wind turbines, and defense applications.

SmartStop Self Storage REIT, Inc. is a real estate investment trust focused on owning, operating, and acquiring high-quality self-storage properties. Its portfolio covers multiple U.S. states and Canadian provinces, offering secure, flexible storage solutions for residential customers storing personal belongings and commercial clients storing inventory or seasonal goods.

MP vs SMA — Head-to-Head

Bigger by revenue
SMA
SMA
1.5× larger
SMA
$78.4M
$52.7M
MP
Growing faster (revenue YoY)
SMA
SMA
+43.0% gap
SMA
29.4%
-13.6%
MP
Higher net margin
MP
MP
14.1% more per $
MP
17.9%
3.8%
SMA
Faster 2-yr revenue CAGR
SMA
SMA
Annualised
SMA
17.3%
4.0%
MP

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MP
MP
SMA
SMA
Revenue
$52.7M
$78.4M
Net Profit
$9.4M
$3.0M
Gross Margin
61.2%
Operating Margin
-7.0%
24.0%
Net Margin
17.9%
3.8%
Revenue YoY
-13.6%
29.4%
Net Profit YoY
142.2%
2080.0%
EPS (diluted)
$0.07

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
MP
MP
SMA
SMA
Q4 25
$52.7M
$78.4M
Q3 25
$53.6M
$70.4M
Q2 25
$57.4M
$66.8M
Q1 25
$60.8M
$65.4M
Q4 24
$61.0M
$60.6M
Q3 24
$62.9M
$60.2M
Q2 24
$31.3M
$59.2M
Q1 24
$48.7M
$57.0M
Net Profit
MP
MP
SMA
SMA
Q4 25
$9.4M
$3.0M
Q3 25
$-41.8M
$5.2M
Q2 25
$-30.9M
$-4.8M
Q1 25
$-22.6M
$-5.5M
Q4 24
$-22.3M
$-150.0K
Q3 24
$-25.5M
$-6.2M
Q2 24
$-34.1M
$-705.0K
Q1 24
$16.5M
$-1.6M
Gross Margin
MP
MP
SMA
SMA
Q4 25
61.2%
Q3 25
60.9%
Q2 25
59.3%
Q1 25
64.1%
Q4 24
66.3%
Q3 24
64.8%
Q2 24
66.4%
Q1 24
65.1%
Operating Margin
MP
MP
SMA
SMA
Q4 25
-7.0%
24.0%
Q3 25
-125.2%
18.1%
Q2 25
-76.5%
15.4%
Q1 25
-57.2%
26.3%
Q4 24
-72.1%
29.4%
Q3 24
-62.8%
29.4%
Q2 24
-171.1%
29.9%
Q1 24
-66.6%
28.0%
Net Margin
MP
MP
SMA
SMA
Q4 25
17.9%
3.8%
Q3 25
-78.0%
7.4%
Q2 25
-53.8%
-7.2%
Q1 25
-37.2%
-8.3%
Q4 24
-36.6%
-0.2%
Q3 24
-40.5%
-10.3%
Q2 24
-108.9%
-1.2%
Q1 24
33.9%
-2.9%
EPS (diluted)
MP
MP
SMA
SMA
Q4 25
$0.07
Q3 25
$-0.24
$0.09
Q2 25
$-0.19
$-0.16
Q1 25
$-0.14
$-0.35
Q4 24
$-0.12
Q3 24
$-0.16
$-0.26
Q2 24
$-0.21
$-0.16
Q1 24
$-0.08
$-0.20

Balance Sheet & Financial Strength

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

Metric
MP
MP
SMA
SMA
Cash + ST InvestmentsLiquidity on hand
$1.2B
$54.2M
Total DebtLower is stronger
$998.7M
Stockholders' EquityBook value
$2.0B
$1.2B
Total Assets
$3.9B
$2.4B
Debt / EquityLower = less leverage
0.50×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MP
MP
SMA
SMA
Q4 25
$1.2B
$54.2M
Q3 25
$1.1B
$47.8M
Q2 25
$261.5M
$37.7M
Q1 25
$198.3M
$35.2M
Q4 24
$282.4M
$23.1M
Q3 24
$284.4M
$36.7M
Q2 24
$295.6M
$34.7M
Q1 24
$296.5M
$39.2M
Total Debt
MP
MP
SMA
SMA
Q4 25
$998.7M
Q3 25
$997.3M
Q2 25
$910.8M
Q1 25
$909.8M
Q4 24
$908.7M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
MP
MP
SMA
SMA
Q4 25
$2.0B
$1.2B
Q3 25
$2.0B
$1.2B
Q2 25
$1.0B
$1.2B
Q1 25
$1.0B
$303.0M
Q4 24
$1.1B
$325.7M
Q3 24
$1.1B
$343.9M
Q2 24
$1.1B
$365.8M
Q1 24
$1.1B
$384.8M
Total Assets
MP
MP
SMA
SMA
Q4 25
$3.9B
$2.4B
Q3 25
$3.8B
$2.4B
Q2 25
$2.3B
$2.3B
Q1 25
$2.4B
$2.1B
Q4 24
$2.3B
$2.0B
Q3 24
$2.3B
$1.9B
Q2 24
$2.4B
$1.9B
Q1 24
$2.4B
$1.9B
Debt / Equity
MP
MP
SMA
SMA
Q4 25
0.50×
Q3 25
0.51×
Q2 25
0.90×
Q1 25
0.88×
Q4 24
0.86×
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
MP
MP
SMA
SMA
Operating Cash FlowLast quarter
$-46.9M
$85.0M
Free Cash FlowOCF − Capex
$-109.3M
FCF MarginFCF / Revenue
-207.4%
Capex IntensityCapex / Revenue
118.5%
Cash ConversionOCF / Net Profit
-4.97×
28.61×
TTM Free Cash FlowTrailing 4 quarters
$-328.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MP
MP
SMA
SMA
Q4 25
$-46.9M
$85.0M
Q3 25
$-42.0M
$52.1M
Q2 25
$-3.7M
$8.0M
Q1 25
$-63.2M
$10.6M
Q4 24
$30.5M
$64.0M
Q3 24
$-6.8M
$21.7M
Q2 24
$30.8M
$17.3M
Q1 24
$-41.1M
$14.4M
Free Cash Flow
MP
MP
SMA
SMA
Q4 25
$-109.3M
Q3 25
$-92.5M
Q2 25
$-32.7M
Q1 25
$-93.7M
Q4 24
$-11.2M
Q3 24
$-53.3M
Q2 24
$-15.6M
Q1 24
$-93.0M
FCF Margin
MP
MP
SMA
SMA
Q4 25
-207.4%
Q3 25
-172.8%
Q2 25
-56.9%
Q1 25
-154.0%
Q4 24
-18.3%
Q3 24
-84.7%
Q2 24
-50.1%
Q1 24
-191.0%
Capex Intensity
MP
MP
SMA
SMA
Q4 25
118.5%
Q3 25
94.3%
Q2 25
50.5%
Q1 25
50.1%
Q4 24
68.3%
Q3 24
73.8%
Q2 24
148.7%
Q1 24
106.5%
Cash Conversion
MP
MP
SMA
SMA
Q4 25
-4.97×
28.61×
Q3 25
9.96×
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
-2.49×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MP
MP

Materials Segment$35.6M68%
Other$17.1M32%

SMA
SMA

Self Storage Rental Revenue$62.0M79%
Other$11.9M15%
Ancillary Operating Revenue$2.9M4%
Asset Management1$1.7M2%

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