NSA
National Storage Affiliates TrustCompany with tickers: NSA, NSA-PA, NSA-PB
CIK
1618563
CUSIP
637870106
Shares Outstanding
77,212,533
13F Activity (30d)
168 filings
161 filers
Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.
Short Squeeze Score
78/100
Short interest 5.4% of shares — P75
Days to cover 6.8 — P81
Short-volume trend +8.0% — P79
Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-05-29). Equal-weight mean of the available factors.
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-05-29 | 4,174,421 | 3,728,790 | +445,631 | 6.75 |
| 2026-05-15 | 3,728,790 | 4,074,529 | -345,739 | 3.81 |
| 2026-04-30 | 4,074,529 | 3,918,980 | +155,549 | 3.66 |
| 2026-04-15 | 3,918,980 | 4,218,473 | -299,493 | 4.61 |
| 2026-03-31 | 4,218,473 | 5,994,258 | -1,775,785 | 1.06 |
| 2026-03-13 | 5,994,258 | 6,006,528 | -12,270 | 3.66 |
| 2026-02-27 | 6,006,528 | 6,611,812 | -605,284 | 3.18 |
| 2026-02-13 | 6,611,812 | 6,899,408 | -287,596 | 4.76 |
| 2026-01-30 | 6,899,408 | 7,442,363 | -542,955 | 4.61 |
| 2026-01-15 | 7,442,363 | 7,335,010 | +107,353 | 4.02 |
| 2025-12-31 | 7,335,010 | 7,316,926 | +18,084 | 6.62 |
| 2025-12-15 | 7,316,926 | 5,598,600 | +1,718,326 | 6.27 |
| 2025-11-28 | 5,598,600 | 5,811,118 | -212,518 | 6.28 |
| 2025-11-14 | 5,811,118 | 5,992,999 | -181,881 | 4.11 |
| 2025-10-31 | 5,992,999 | 6,134,373 | -141,374 | 4.49 |
| 2025-10-15 | 6,134,373 | 6,018,486 | +115,887 | 5.05 |
| 2025-09-30 | 6,018,486 | 5,519,509 | +498,977 | 5.53 |
| 2025-09-15 | 5,519,509 | 5,103,153 | +416,356 | 4.59 |
| 2025-08-29 | 5,103,153 | 4,721,175 | +381,978 | 5.81 |
| 2025-08-15 | 4,721,175 | 3,987,910 | +733,265 | 3.76 |
| 2025-07-31 | 3,987,910 | 3,517,524 | +470,386 | 3.92 |
| 2025-07-15 | 3,517,524 | 4,315,533 | -798,009 | 2.86 |
| 2025-06-30 | 4,315,533 | 4,127,097 | +188,436 | 2.75 |
| 2025-06-13 | 4,127,097 | 3,276,996 | +850,101 | 4.34 |
Showing 1–24 of 24 settlements