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Extra Space Storage

EXR
41
REIT - Industrial · Real Estate
Also trades as: 0IJV.L
Price
$146.76
+0.21 (+0.14%)
Market Cap
$31.01B
Exchange
New York Stock Exchange
Winston Score
41
Winston is serious
Mixed quality — meaningful strengths and weaknesses.
Data as of Aug 13, 2026 · filings through Jun 30, 2026
How the score breaks down
Quality
Mixed
Growth
Mixed
Cash Flow
Exceptional
Stability
Weak
Valuation
Good
Dividends
Good

Share count rising — dilution

+51.3% over 4y

The company has issued more shares over this period, which dilutes each existing shareholder’s stake.

Diluted shares outstanding: 140.0M (2021) → 211.9M (2025)

Winston Score History

The full picture

Extra Space Storage owns and operates self-storage facilities across the United States. These are the large buildings with rows of locked units where people and small businesses rent space to store furniture, boxes, vehicles, and other belongings. It is one of the largest self-storage companies in the country, managing over 3,500 locations after acquiring Life Storage in 2023.

The company makes money by collecting monthly rent from storage unit customers, similar to a landlord. It operates almost entirely in the U.S. and also earns fees by managing storage properties owned by other investors, which adds a lower-risk income stream. Self-storage has historically held up well during economic downturns because people need storage both when they are moving up and when they are downsizing, but the industry is facing near-term pressure from oversupply in some markets, which is pushing rents lower and could weigh on revenue growth.

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Growth Profile

When traditional metrics don't capture the full picture, these are the signals growth stock investors use instead.

Revenue Growth

+3.9% YoY

YoY Growth Rate

Slow revenue growth

EPS Growth

+5.9% YoY

YoY Growth Rate

Slow EPS growth

R&D Spend

$0/ year

0.0% of revenue

Below sector average (1%)

Research and development spending

Insider Activity

1.1%ownership

Flat

Insider ownership roughly steady over the past year

Cash Position

Cash flow positive

$695M cash & investments

Quarterly Free Cash Flow

→ Burn rate stable

Company generates more cash than it spends — no dilution risk from fundraising

Growth context

Extra Space Storage is growing revenue at 4% year-over-year. The Winston Score measures business quality today — these growth metrics show what could matter tomorrow.

The Winston Score above measures business quality today. Growth stocks often score lower because they invest in the future rather than maximising current profits. These metrics show what matters most for evaluating that future.

Score breakdown

Every number that matters to educated investors.

Each metric is explained in plain language so you know exactly what you're looking at. Start your free trial now.

Quality

Gross Margin
-68.6%
Thin — -68.6% gross margin
Operating Margin
44.9%
Excellent — 44.9% operating margin
ROCE
3.0%
Weak — 3.0% return on capital

ROIC between 0% and 5%. They earn a few cents back per dollar invested in the business.

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Growth

Sales YoY
+1.5%
Nearly flat sales (+1.5% YoY)
EPS YoY
-2.6%
Earnings shrinking (-2.6% YoY)

Slight earnings drop. Typical near a cyclical low.

EPS Consistency
5/8 quarters
Mixed — about half the quarters showed growth

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Cash Flow

Cash Conversion
194%
Turns 194% of profit into real cash
FCF Margin
50.7%
Converts sales into free cash efficiently (50.7%)

Free cash flow margin above 20%. Out of every $100 in sales, more than $20 is real cash they keep.

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Stability

Debt / Equity
N/A
Data not available
Interest Cover
1.68x
Dangerous — barely covers interest (1.7x)

Interest coverage between 1 and 3. Profits cover interest, but with little room to spare.

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Valuation

P/E Ratio (TTM)
32.4x
Pricey — P/E 32.4

P/E above the market average. People are paying up for expected growth.

P/E vs Forward
+3.6
GROWING
Earnings expected to grow meaningfully — cheaper on forward P/E (32.4 → 28.8)

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Dividends

Dividend Yield
4.38%
Healthy income — 4.38% yield

Generous yield. Worth checking whether the payout is sustainable.

Dividend Growth
+0.0%
Dividend flat

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