SmartStop Self Storage REIT (SMA)
SmartStop Self Storage REIT on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders, earnings dates and insider trades. Listed on NYSE.
4.9M
Short interest
settlement 2026-10-15
6.4
Days to cover
-0.9 days vs prior
30.5%
Short share of volume
2026-11-02
69
Fails to deliver
settlement 2026-10-14
Wed 4 Nov
Next earnings
estimated date
-$78K
Insider flow, 90 days
0 buys, 4 sells
As of 2026-11-02.
Short interest
FINRA, twice a month. The newest 37 settlements in the table, 37 in the chart. JSONAs of 15 October 2026, short interest in SMA is 4,899,206 shares, down 349,134 shares over the last month. Over the last 37 readings it ranged from 899,650 shares (15 April 2025) to 6,099,870 shares (30 September 2026). At the reported average volume of 767K shares a day that is 6.4 days to cover.
Embed this chart.The embed keeps its attribution line.
<iframe src="https://xoomar.com/embed/stocks/sma" width="100%" height="440" style="border:0;max-width:100%" loading="lazy" title="XOOMAR chart"></iframe>
| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-10-15 | 4,899,206 | -19.7% | 766,870 | 6.39 |
| 2026-09-30 | 6,099,870 | +16.2% | 831,685 | 7.33 |
| 2026-09-15 | 5,248,340 | +15.4% | 730,235 | 7.19 |
| 2026-08-31 | 4,548,705 | +10.5% | 722,375 | 6.30 |
| 2026-08-14 | 4,115,903 | -4.9% | 629,438 | 6.54 |
| 2026-07-31 | 4,326,114 | +5.4% | 925,443 | 4.67 |
| 2026-07-15 | 4,103,930 | -16.5% | 516,742 | 7.94 |
| 2026-06-30 | 4,916,690 | +27.9% | 771,662 | 6.37 |
| 2026-06-15 | 3,845,818 | -14.3% | 672,333 | 5.72 |
| 2026-05-29 | 4,485,262 | +24.8% | 682,938 | 6.57 |
| 2026-05-15 | 3,594,144 | -19.6% | 681,980 | 5.27 |
| 2026-04-30 | 4,468,851 | +4.8% | 625,274 | 7.15 |
| 2026-04-15 | 4,265,678 | -13.4% | 543,851 | 7.84 |
| 2026-03-31 | 4,925,376 | +46.8% | 1,485,753 | 3.32 |
| 2026-03-13 | 3,355,791 | +1.6% | 966,509 | 3.47 |
| 2026-02-27 | 3,303,092 | +42.7% | 1,153,296 | 2.86 |
| 2026-02-13 | 2,315,379 | -29.8% | 605,023 | 3.83 |
| 2026-01-30 | 3,298,240 | -2.2% | 701,732 | 4.70 |
| 2026-01-15 | 3,370,994 | -4.3% | 816,258 | 4.13 |
| 2025-12-31 | 3,522,686 | +32.4% | 748,904 | 4.70 |
| 2025-12-15 | 2,660,302 | -5.0% | 709,163 | 3.75 |
| 2025-11-28 | 2,799,214 | +35.3% | 894,205 | 3.13 |
| 2025-11-14 | 2,069,404 | -20.4% | 694,080 | 2.98 |
| 2025-10-31 | 2,599,574 | +22.3% | 757,949 | 3.43 |
| 2025-10-15 | 2,125,667 | -25.5% | 970,024 | 2.19 |
| 2025-09-30 | 2,854,086 | +39.2% | 586,291 | 4.87 |
| 2025-09-15 | 2,050,405 | -37.0% | 345,931 | 5.93 |
| 2025-08-29 | 3,254,359 | +53.0% | 598,469 | 5.44 |
| 2025-08-15 | 2,126,322 | -23.6% | 580,998 | 3.66 |
| 2025-07-31 | 2,781,903 | +41.3% | 444,506 | 6.26 |
| 2025-07-15 | 1,969,267 | -47.8% | 581,191 | 3.39 |
| 2025-06-30 | 3,772,853 | +183.7% | 1,607,981 | 2.35 |
| 2025-06-13 | 1,329,827 | -3.8% | 478,488 | 2.78 |
| 2025-05-30 | 1,381,952 | -1.4% | 339,486 | 4.07 |
| 2025-05-15 | 1,400,984 | +19.8% | 424,085 | 3.30 |
| 2025-04-30 | 1,169,404 | +30.0% | 476,557 | 2.45 |
| 2025-04-15 | 899,650 | +100.0% | 2,010,332 | 1.00 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 2 November 2026, the short share of SMA volume is 30.5%, down 6.2 points over the last five sessions. Over the last 30 readings it ranged from 20.9% (27 October 2026) to 90.0% (23 September 2026). The latest reading is 24.5 points below the 30-session average of 55.0%, on 222K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-11-02 | 68K | 222K | 30.5% | 61 |
| 2026-10-30 | 92K | 202K | 45.4% | 0 |
| 2026-10-29 | 88K | 205K | 43.0% | 0 |
| 2026-10-28 | 152K | 288K | 52.6% | 743 |
| 2026-10-27 | 42K | 202K | 20.9% | 11 |
| 2026-10-26 | 63K | 171K | 36.6% | 0 |
| 2026-10-23 | 70K | 285K | 24.4% | 0 |
| 2026-10-22 | 79K | 222K | 35.7% | 117 |
| 2026-10-21 | 98K | 247K | 39.6% | 0 |
| 2026-10-20 | 114K | 240K | 47.6% | 0 |
| 2026-10-19 | 85K | 152K | 55.9% | 26 |
| 2026-10-16 | 123K | 280K | 44.0% | 0 |
| 2026-10-15 | 297K | 449K | 66.1% | 12 |
| 2026-10-14 | 127K | 264K | 48.1% | 0 |
| 2026-10-13 | 113K | 182K | 62.1% | 1,176 |
| 2026-10-12 | 98K | 212K | 46.3% | 0 |
| 2026-10-09 | 91K | 144K | 63.1% | 109 |
| 2026-10-08 | 186K | 281K | 66.2% | 4 |
| 2026-10-07 | 160K | 257K | 62.1% | 0 |
| 2026-10-06 | 124K | 204K | 60.9% | 511 |
| 2026-10-05 | 258K | 474K | 54.4% | 0 |
| 2026-10-02 | 279K | 319K | 87.5% | 756 |
| 2026-10-01 | 199K | 386K | 51.5% | 0 |
| 2026-09-30 | 270K | 311K | 86.8% | 0 |
| 2026-09-29 | 268K | 542K | 49.5% | 0 |
| 2026-09-28 | 128K | 199K | 64.4% | 0 |
| 2026-09-25 | 116K | 161K | 71.8% | 0 |
| 2026-09-24 | 108K | 165K | 65.3% | 1,057 |
| 2026-09-23 | 404K | 449K | 90.0% | 0 |
| 2026-09-22 | 167K | 218K | 76.4% | 0 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 14 October 2026, the fails-to-deliver balance in SMA is 69 shares, down 1,480 shares over the last settlement date. Over the last 30 readings it ranged from 4 shares (27 August 2026) to 18,686 shares (22 July 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-10-14 | 69 | $32.99 | $2K |
| 2026-10-07 | 1,549 | $33.13 | $51K |
| 2026-10-06 | 202 | $32.47 | $7K |
| 2026-10-05 | 509 | $32.51 | $17K |
| 2026-10-01 | 6,134 | $32.20 | $198K |
| 2026-09-30 | 12,969 | $32.35 | $420K |
| 2026-09-28 | 9,739 | $31.73 | $309K |
| 2026-09-23 | 4,717 | $32.44 | $153K |
| 2026-09-15 | 9,014 | $32.21 | $290K |
| 2026-09-14 | 4,261 | $32.12 | $137K |
| 2026-09-11 | 8,282 | $32.05 | $265K |
| 2026-09-10 | 1,353 | $31.93 | $43K |
| 2026-09-09 | 14,203 | $32.60 | $463K |
| 2026-09-04 | 2,462 | $33.10 | $81K |
| 2026-08-27 | 4 | $33.96 | $136 |
| 2026-08-25 | 17 | $33.86 | $576 |
| 2026-08-20 | 125 | $34.46 | $4K |
| 2026-08-19 | 10,084 | $34.13 | $344K |
| 2026-08-18 | 466 | $34.10 | $16K |
| 2026-07-23 | 10,172 | $34.30 | $349K |
| 2026-07-22 | 18,686 | $34.36 | $642K |
| 2026-07-16 | 969 | $33.13 | $32K |
| 2026-07-10 | 77 | $32.52 | $3K |
| 2026-07-08 | 19 | $32.54 | $618 |
| 2026-07-07 | 184 | $32.80 | $6K |
| 2026-07-06 | 307 | $33.67 | $10K |
| 2026-07-02 | 477 | $33.28 | $16K |
| 2026-06-30 | 859 | $32.88 | $28K |
| 2026-06-29 | 3,073 | $33.44 | $103K |
| 2026-06-26 | 263 | $32.78 | $9K |
Insider trades
SEC Form 4, newest first. JSONInsiders at SMA reported 4 open-market sells worth $78K in the last 90 days and no open-market buys. Latest filing: Mueller David J (Director) on 2026-10-16.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-10-16 | Mueller David J | Director | Sell | 425 | $33.98 | $14K | 4K |
| 2026-09-16 | Mueller David J | Director | Sell | 425 | $32.05 | $14K | 4K |
| 2026-08-17 | Mueller David J | Director | Sell | 425 | $33.70 | $14K | 5K |
| 2026-08-14 | Look Nicholas | General Counsel and Secretary | Sell | 1K | $34.36 | $35K | 588 |
| 2026-07-16 | Mueller David J | Director | Sell | 425 | $33.38 | $14K | 5K |
| 2026-06-23 | Morris Timothy S. | Director | Grant | 3K | $0.00 | $0 | 18K |
| 2026-06-16 | Mueller David J | Director | Sell | 425 | $32.44 | $14K | 5K |
| 2026-05-18 | Mueller David J | Director | Sell | 425 | $29.67 | $13K | 6K |
| 2026-04-16 | Mueller David J | Director | Sell | 425 | $31.78 | $14K | 6K |
| 2026-03-16 | Mueller David J | Director | Sell | 425 | $32.81 | $14K | 7K |
| 2025-11-17 | Schwartz H. Michael | Chief Executive Officer | Buy | 6K | $31.71 | $198K | 24K |
| 2025-11-14 | Look Nicholas | General Counsel and Secretary | Sell | 458 | $32.85 | $15K | 2K |
| 2025-11-11 | Barry James R. | CFO and Treasurer | Buy | 600 | $33.55 | $20K | 3K |
| 2025-06-24 | Morris Timothy S. | Director | Grant | 3K | $0.00 | $0 | 3K |
| 2025-04-03 | Schwartz H. Michael | Chief Executive Officer | Buy | 18K | $30.00 | $540K | 18K |
| 2025-04-02 | Perry Harold | Director | Buy | 3K | $30.00 | $90K | 3K |
| 2025-04-02 | Johnson Wayne | President and CIO | Buy | 3K | $30.00 | $90K | 3K |
| 2025-04-02 | Morris Timothy S. | Director | Grant | 2K | $0.00 | $0 | 2K |
| 2025-04-02 | Look Nicholas | General Counsel and Secretary | Buy | 1K | $30.00 | $30K | 1K |
| 2025-04-02 | Robinson Joseph H | Chief Operations Officer | Buy | 500 | $30.00 | $15K | 500 |
| 2025-04-02 | Terjung Michael O | Chief Accounting Officer | Buy | 6K | $30.00 | $180K | 6K |
| 2025-04-01 | Morris Timothy S. | Director | Grant | 7K | $0.00 | $0 | 7K |
| 2024-06-25 | Morris Timothy S. | Director | Grant | 6K | $0.00 | $0 | 49K |
| 2023-06-28 | Barry James R. | CFO and Treasurer | Tax withholding | 811 | $14.30 | $12K | 11K |
| 2023-06-28 | Look Nicholas | General Counsel and Secretary | Tax withholding | 405 | $14.30 | $6K | 4K |
| 2023-06-28 | Terjung Michael O | Chief Accounting Officer | Tax withholding | 811 | $14.30 | $12K | 9K |
| 2023-06-28 | Valle Gerald | SVP, Self-Storage Operations | Tax withholding | 608 | $14.30 | $9K | 6K |
| 2023-06-21 | Morris Timothy S. | Director | Grant | 6K | $0.00 | $0 | 42K |
| 2023-03-02 | Barry James R. | CFO and Treasurer | Tax withholding | 2K | $0.00 | $0 | 12K |
| 2023-03-02 | Barry James R. | CFO and Treasurer | Grant | 5K | $0.00 | $0 | 14K |
| 2023-03-02 | Robinson Joseph H | Chief Operations Officer | Grant | 6K | $0.00 | $0 | 9K |
| 2022-06-28 | Barry James R. | CFO and Treasurer | Tax withholding | 811 | $14.63 | $12K | 11K |
| 2022-06-15 | Perry Harold | Director | Grant | 5K | $0.00 | $0 | 36K |
| 2022-06-15 | Morris Timothy S. | Director | Grant | 5K | $0.00 | $0 | 36K |
| 2021-06-16 | Perry Harold | Director | Grant | 6K | $0.00 | $0 | 28K |
| 2021-06-16 | Morris Timothy S. | Director | Grant | 6K | $0.00 | $0 | 28K |
| 2021-06-16 | Mueller David J | Director | Grant | 6K | $0.00 | $0 | 29K |
| 2021-06-16 | Mathews Paula M. | Director | Grant | 6K | $0.00 | $0 | 28K |
| 2020-06-26 | Mathews Paula M. | Director | Grant | 6K | $0.00 | $0 | 21K |
| 2020-06-26 | Morris Timothy S. | Director | Grant | 6K | $0.00 | $0 | 22K |
| 2020-06-26 | Mueller David J | Director | Grant | 6K | $0.00 | $0 | 23K |
| 2020-06-26 | Perry Harold | Director | Grant | 6K | $0.00 | $0 | 22K |
| 2020-04-22 | Barry James R. | CFO and Treasurer | Grant | 3K | $0.00 | $0 | 12K |
| 2020-04-22 | Robinson Joseph H | Chief Operations Officer | Grant | 3K | $0.00 | $0 | 6K |
| 2020-02-24 | Mathews Paula M. | Director | Grant | 6K | $0.00 | $0 | 15K |
Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.
Planned sales (Form 144)
Newest first. JSON8 Form 144 notices on file for SMA worth $110K at the prices reported; 3 in the last 90 days worth $42K. Latest: Mueller David J filed on 2026-10-16 to sell 425 shares ($14K) from 2026-10-16.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-10-16 | Mueller David JDirector | 425 | $14K | 0.001% | 2026-10-16 | Fidelity Brokerage Services LLC |
| 2026-09-16 | Mueller David JDirector | 425 | $14K | 0.001% | 2026-09-16 | Fidelity Brokerage Services LLC |
| 2026-08-17 | Mueller David JDirector | 425 | $14K | 0.001% | 2026-08-17 | Fidelity Brokerage Services LLC |
| 2026-07-16 | Mueller David JDirector | 425 | $14K | 0.001% | 2026-07-16 | Fidelity Brokerage Services LLC |
| 2026-06-16 | Mueller David JDirector | 425 | $14K | 0.001% | 2026-06-16 | Fidelity Brokerage Services LLC |
| 2026-05-18 | Mueller David JDirector | 425 | $13K | 0.001% | 2026-05-18 | Fidelity Brokerage Services LLC |
| 2026-04-16 | Mueller David JDirector | 425 | $14K | 0.001% | 2026-04-16 | Fidelity Brokerage Services LLC |
| 2026-03-16 | Mueller David JDirector | 425 | $14K | 0.001% | 2026-03-16 | Fidelity Brokerage Services LLC |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON5 holders report 5% or more of SMA in their latest filing, all on Schedule 13G (passive). The largest reported stake is BlackRock, Inc. at 10.4% of the class (5,754,574 shares), filed 2026-10-05 for an event on 2026-09-30.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-10-05 | 13G/Ano. 3 | BlackRock, Inc.parent holding company | 5.8M | 10.4% | 2026-09-30 |
| 2026-08-14 | 13G/Ano. 6 | T. Rowe Price Associates, Inc.investment adviser | 5.3M | 9.5% | 2026-06-30 |
| 2026-08-05 | 13G | PRINCIPAL REAL ESTATE INVESTORS LLCinvestment adviser | 3.1M | 5.6% | 2026-06-30 |
| 2026-08-05 | 13G | PRINCIPAL GLOBAL INVESTORSinvestment adviser | 40K | 0.1% | 2026-06-30 |
| 2026-07-31 | 13G | Vanguard Capital Managementinvestment adviser | 2.8M | 5.1% | 2026-06-30 |
| 2026-05-08 | 13G/Ano. 3 | PRUDENTIAL FINANCIAL INCparent holding company | 2.4M | 4.3% | 2026-03-31 |
| 2026-04-29 | 13G | Vanguard Portfolio Managementinvestment adviser | 2.8M | 5.1% | 2026-03-31 |
| 2026-03-27 | 13G/Ano. 2 | The Vanguard Groupinvestment adviser | 0 | 0.0% | 2026-03-13 |
| 2026-01-30 | 13G/Ano. 1 | DEUTSCHE BANK AG\non-US institution | 1.8M | 3.3% | 2025-12-31 |
| 2026-01-30 | 13G/Ano. 1 | RREEF AMERICA LLCcorporation | 1.8M | 3.3% | 2025-12-31 |
| 2026-01-30 | 13G/Ano. 1 | DWS Investments UK Ltdcorporation | 20K | 0.0% | 2025-12-31 |
| 2025-10-17 | 13G/Ano. 1 | BlackRock Portfolio Management LLCparent holding company | 1.1M | 3.6% | 2025-09-30 |
13F holders
Tracked managers holding SMA at their latest 13F. JSON5 of the 30 tracked managers held SMA at their latest 13F, $9.8M in total at quarter-end prices. Citadel Advisors is the largest at $5.1M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 4 added shares and 1 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Citadel Advisors | 2026-06-30 | 156K | $5.1M | 0.00% | +129K |
| AQR Capital Management | 2026-06-30 | 60K | $1.9M | 0.00% | +40K |
| Renaissance Technologies | 2026-06-30 | 50K | $1.6M | 0.00% | new |
| Millennium Management | 2026-06-30 | 24K | $767K | 0.00% | -568K |
| Two Sigma Investments | 2026-06-30 | 12K | $379K | 0.00% | +757 |
Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.
What this page is
SmartStop Self Storage REIT in the regulatory record
Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.
Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.
This page follows SmartStop Self Storage REIT (SMA), SEC CIK 1585389, listed on NYSE. The cross-market tables live on the short interest and insider transactions hubs.
Source and updates
- Short interest
- FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-10-15.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-11-02.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-10-14.JSON and CSV
- Planned sales
- SEC EDGAR Form 144Source: SEC.New notices appear shortly after the SEC posts them; a notice is filed on or before the sale. Latest 2026-10-16.JSON and CSV
- Large holders
- SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-10-05.JSON and CSV
- 13F holders
- SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
- Earnings dates
- SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-08-05.JSON and CSV
- Insider trades
- SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-10-16.JSON and CSV
- Company record
- EDGAR filing index for CIK 1585389Ticker, name and exchange from the SEC's company list, refreshed weekly.
- Rate limits
- 10 requests a minute without a key, 30 with a free key from a free account.
How to read it
- Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
- Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
- Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.
Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.
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Datasets
Frequently Asked Questions
How much of SMA is sold short?
What is SMA's daily short volume?
Does SMA have fails to deliver?
Are SMA insiders buying or selling?
Have SMA insiders filed to sell?
Who owns 5% or more of SMA?
Which tracked 13F managers own SMA?
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.