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SMA · SmartStop Self Storage REIT, Inc.

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$32.58 -0.52 (-1.57%) At close · Sep 4
Market Cap
$1.80B
Shares
55.37M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 260
Total Value: $1,670,367,400
Total Shares: 51,395,923
Showing 1–100 of 261 holdings by value · page 1 of 3

Institutional Ownership Trend

5 quarters

Holder Concentration

Across 260 13F filers · Δ vs Mar 31, 2026
Top Holder
10.5%
Jun 2025 → Jun 2026 · range 10.5% – 13.7%
−1.2 pts
Top 5
38.0%
Jun 2025 → Jun 2026 · range 38.0% – 41.5%
−1.3 pts
Top 10
56.0%
Jun 2025 → Jun 2026 · range 53.4% – 58.0%
−2.0 pts
HHI
424
Jun 2025 → Jun 2026 · range 424 – 493
Broadly held−31

Quarterly Activity

vs Mar 31, 2026
New
38
Increased
103
Decreased
87
Sold Out
35
Unchanged
32
Holder count: +3
Institutional value: +8.9%
Shares held: +1.5%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 261
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1585389 CUSIP 83192D402 13F (30d) 151 filings 151 filers Visit website Investor relations