SMA in the 13F filings

Smartstop Self Storag REIT I · CUSIP 83192D402

Sector · Real estate Theme · Real estate investment trusts

Quarter

Q1 2026 Q4 2025 Q3 2025 Q2 2025

Quarter end: 31 Dec 2025; the date the book describes
Filed: 19 Feb 2026; latest of these filings; the earliest 22 Jan 2026
Managers listing it: 19; at least, of 95 tracked, among listed positions
Comparable managers: 92; filed both Q3 2025 and Q4 2025; 4 listed it in both
Shares listed: 10,218,513; combined, among listed positions
Reported value: $316m; combined, at the quarter end

Among the 92 comparable managers: 10 buyers (opened or added shares) and 13 sellers (trimmed or exited), at least, among listed positions. Their net change in shares was +199,391.

Managers listing SMA in Q4 2025

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q3 2025, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

ActionShare of book at least

19 of 19 holders

				Action		Filing
T. Rowe Price Associates Inc	5,913,679	$183m	under 0.1%	Added	+710,871	17 Feb 2026 (the filing on sec.gov)
Wellington Management Group LLP	1,414,451	$44m	under 0.1%	Added	+218,386	17 Feb 2026 (the filing on sec.gov)
MFS Investment Management	794,289	$25m	under 0.1%	Trimmed	-28,411	22 Jan 2026 (the filing on sec.gov)
Schonfeld Strategic Advisors LLC	505,202	$16m	0.07%	Trimmed	-451,691	17 Feb 2026 (the filing on sec.gov)
Janus Henderson Group Ltd	412,118	$13m	under 0.1%	Added	+49,822	17 Feb 2026 (the filing on sec.gov)
Millennium Management LLC	283,842	$8.8m	under 0.1%	Trimmed	-15,113	17 Feb 2026 (the filing on sec.gov)
Hudson Bay Capital Management LP	225,751	$7.0m	under 0.1%	New	new	13 Feb 2026 (the filing on sec.gov)
Maverick Capital Ltd	159,563	$4.9m	0.05%	Added	+65,967	13 Feb 2026 (the filing on sec.gov)
Freestone Grove Partners LP	148,332	$4.6m	under 0.1%	Trimmed	-20,341	17 Feb 2026 (the filing on sec.gov)
Walleye Capital LLC	105,000	$3.2m	under 0.1%	Trimmed	-75,356	13 Feb 2026 (the filing on sec.gov)
Man Group PLC	87,054	$2.7m	under 0.1%	New	new	17 Feb 2026 (the filing on sec.gov)
Squarepoint Ops LLC	55,850	$1.7m	under 0.1%	New	new	13 Feb 2026 (the filing on sec.gov)
AllianceBernstein LP	32,716	$1.0m	under 0.1%	Added	+3,916	17 Feb 2026 (the filing on sec.gov)
Invesco Ltd	22,940	$710k	under 0.1%	Added	+1,956	19 Feb 2026 (the filing on sec.gov)
Two Sigma Investments LP	17,928	$555k	under 0.1%	Trimmed	-43,539	17 Feb 2026 (the filing on sec.gov)
Quantbot Technologies LP	14,265	$441k	under 0.1%	Trimmed	-39,364	10 Feb 2026 (the filing on sec.gov)
AQR Capital Management LLC	12,550	$388k	under 0.1%	Trimmed	-39,929	17 Feb 2026 (the filing on sec.gov)
Voloridge Investment Management LLC	11,473	$355k	under 0.1%	Trimmed	-1,883	17 Feb 2026 (the filing on sec.gov)
Fidelity (FMR LLC)	1,510	$47k	under 0.1%	Added	+1,446	17 Feb 2026 (the filing on sec.gov)

Largest increases and reductions, by shares

Q3 2025 to Q4 2025, among managers that listed it in both quarters or opened it.

Increases

T. Rowe Price Associates Incexisting position · 5,913,679 shares now+710,871
Hudson Bay Capital Management LPnew position · 225,751 shares now+225,751
Wellington Management Group LLPexisting position · 1,414,451 shares now+218,386
Man Group PLCnew position · 87,054 shares now+87,054
Maverick Capital Ltdexisting position · 159,563 shares now+65,967

Reductions

Schonfeld Strategic Advisors LLCexisting position · 505,202 shares now-451,691
Walleye Capital LLCexisting position · 105,000 shares now-75,356
Two Sigma Investments LPexisting position · 17,928 shares now-43,539
AQR Capital Management LLCexisting position · 12,550 shares now-39,929
Quantbot Technologies LPexisting position · 14,265 shares now-39,364

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

New (3)

Exited (4)

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.

7 in Q2 2025 to 3 in Q1 2026

Tracked managers listing it, at least.

the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.

Compare with…

Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.

SMA and WELL →SMA and EQIX →SMA and PLD →Choose a stock to compare with SMA →

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.

Which funds own SMA, latest filings →Back to the 13F Explorer →

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Quarter	Holders	Reported value	Buyers	Sellers
Q2 2025	7	$239m	7	0
Q3 2025	4	$242m	3	2
Q4 2025	5	$215m	10	13
Q1 2026	3	$189m	12	11