SmartStop Self Storage REIT, Inc. (SMA)
NYSE: SMA · Real Estate Investment Trusts · Ladera Ranch, CA · filing with the SEC since 2013
Who owns SmartStop Self Storage REIT, Inc.
As filed with the SECHolders of 5% or more
5
Blackrock, Inc. holds 10.4% of Common Stock, as its SCHEDULE 13G/A filed Oct 5, 2026 says.
Directors and officers
10
report now, of 17 people on the record since 2016. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 5 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Oct 5, 2026 · Common Stock · 9.3% in Apr 24, 2026
T. Rowe Price Associates, Inc.
SCHEDULE 13G/A · filed Aug 14, 2026 · REIT · 10.7% in Feb 6, 2026
Principal Real Estate Investors LLC
SCHEDULE 13G · filed Aug 5, 2026 · Common Stock, $0.001 par value
Vanguard Capital Management
SCHEDULE 13G · filed Jul 31, 2026 · Common Stock
Vanguard Portfolio Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
H. Michael Schwartz
SCHEDULE 13D/A · filed Apr 7, 2025 · Class A Common Stock · reported falling below 5%
Prudential Financial, Inc.
SCHEDULE 13G/A · filed May 8, 2026 · Common · reported falling below 5%, from 9.5% in Feb 13, 2026
BlackRock Portfolio Management LLC
SCHEDULE 13G/A · filed Oct 17, 2025 · Common Stock · reported falling below 5%, from 5.7% in Jul 15, 2025
Deutsche Bank AG\
SCHEDULE 13G/A · filed Jan 30, 2026 · Common Stock · reported falling below 5%, from 6.7% in Aug 14, 2025
Millennium Management LLC
SCHEDULE 13G/A · filed Jul 14, 2025 · Common Stock, par value $0.001 per share · reported falling below 5%, from 5.1% in May 27, 2025
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%, from 6.46% in Jan 30, 2026
Extra Space Storage, Inc.
SCHEDULE 13G/A · filed May 13, 2025 · Common Stock · reported falling below 5%
What SMA reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Argus Professional Storage Management LLC
A company bought · acquisition, asset acquisition · Oct 2025 · owns, named in the 10-K filed Feb 27, 2026
SSGT III and SSGT III Sponsored DSTs
A company bought · acquisition · owns, named in the 10-K filed Feb 27, 2026
Sst Vi
A company bought · acquisition, related party · owns, named in the 10-K filed Feb 27, 2026
SST X Advisory Agreement
A company bought · acquisition · owns, named in the 10-K filed Feb 27, 2026
Third Party Platform
A company bought · acquisition · owns, named in the 10-K filed Feb 27, 2026
1 subsidiary in 1 country, from the list filed with the 10-K filed Feb 27, 2026.
Insider tradesForm 4
10sales
2purchases
7sales on a scheduled plan
2people selling
$200,000sold, in dollars
$200,000bought, in dollars
Open-market trades on Form 4 from Oct 19, 2025 to Oct 19, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Oct 19, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window4 of 20 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Look Nicholas | General Counsel and Secretary | 2 | $100,000 | 0 | 0 | $0 |
| Mueller David J | director | 8 | $100,000 | 7 | 0 | $0 |
| Schwartz H. Michael | CEO and President | 0 | $0 | 0 | 1 | $200,000 |
| Barry James R. | CFO and Treasurer | 0 | $0 | 0 | 1 | $0 |