National Storage Affiliates Trust
National Storage Affiliates Trust (NSA) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · NSA · as of Sep 30, 2025
Ownership Breakdown
334
Institutional Holders
▼ 10 vs Q2
$2.18B
Total Inst. Value
▼ $87.96M vs Q2
77.13M
Shares Outstanding
freeFloat 92.33%
72.08M
13F Shares Held
▲ 1.97M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
NSA largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC real estate investment trusts | 9.62M | 12.58% | 12.58% | $290.68B | Nov 7, 2025 | ▼ 29.0K |
BLACKROCK, INC. real estate investment trusts | 8.48M | 11.09% | 11.09% | $256.39B | Nov 12, 2025 | ▲ 230.5K |
LONG POND CAPITAL, LP real estate investment trusts | 3.85M | 5.03% | 5.03% | $116.23B | Nov 14, 2025 | ▲ 1.35M |
STATE STREET CORP real estate investment trusts | 3.68M | 4.82% | 4.82% | $111.30B | Nov 14, 2025 | ▼ 109.9K |
PRUDENTIAL FINANCIAL INC real estate investment trusts | 2.48M | 3.25% | 3.25% | $75.04B | Nov 13, 2025 | ▲ 393.7K |
BALYASNY ASSET MANAGEMENT L.P. real estate investment trusts | 2.35M | 3.07% | 3.07% | $71.00B | Nov 14, 2025 | ▼ 797.4K |
WASATCH ADVISORS LP real estate investment trusts | 1.85M | 2.41% | 2.41% | $55.78B | Nov 14, 2025 | ▼ 2.85M |
THRIVENT FINANCIAL FOR LUTHERANS real estate investment trusts | 1.65M | 2.16% | 2.16% | $50.01B | Nov 4, 2025 | ▼ 702.6K |
GEODE CAPITAL MANAGEMENT, LLC real estate investment trusts | 1.54M | 2.01% | 2.01% | $46.46B | Nov 12, 2025 | ▲ 102.0K |
JENNISON ASSOCIATES LLC real estate investment trusts | 1.52M | 1.99% | 1.99% | $45.89B | Oct 30, 2025 | ▲ 33.3K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
26
Increased
+9.21M shares3
New Positions
first time holders18
Decreased
−6.32M shares0
Sold Out
fully exitedNet shares change (top 50)
+2.89M
+9.21M / −6.32M
Net new holders
+11
3 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
NSA insider trading · insider activity
Source: SEC Form 4
23
Buy transactions
15
Sell transactions
1.53
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
FISCHER TAMARA D Executive Chairperson | May 21, 2026 | C-Conversion | 14,576 | — | — | 594.7K | Form 4 ↗ |
FISCHER TAMARA D Executive Chairperson | May 21, 2026 | C-Conversion | 14,576 | — | — | 109.8K | Form 4 ↗ |
Nordhagen Arlen Dale Vice Chairperson | May 21, 2026 | C-Conversion | 919 | — | — | 2.56M | Form 4 ↗ |
Nordhagen Arlen Dale Vice Chairperson | May 21, 2026 | C-Conversion | 919 | — | — | 28.4K | Form 4 ↗ |
Cowan William S. Jr. Chief Strategy Officer | May 21, 2026 | C-Conversion | 17,606 | — | — | 197.0K | Form 4 ↗ |
Cowan William S. Jr. Chief Strategy Officer | May 21, 2026 | C-Conversion | 17,606 | — | — | 151.4K | Form 4 ↗ |
Kenyon Tiffany S. Chief Legal Officer | May 21, 2026 | C-Conversion | 6,476 | — | — | 91.7K | Form 4 ↗ |
Kenyon Tiffany S. Chief Legal Officer | May 21, 2026 | C-Conversion | 6,476 | — | — | 51.0K | Form 4 ↗ |
Togashi Brandon Chief Financial Officer | May 21, 2026 | C-Conversion | 17,346 | — | — | 227.1K | Form 4 ↗ |
Togashi Brandon Chief Financial Officer | May 21, 2026 | C-Conversion | 17,346 | — | — | 110.2K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
National Storage Affiliates Trust (NSA) is primarily owned by institutional investors, who hold approximately 93.5% of total shares outstanding. Company insiders own approximately 7.67%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of National Storage Affiliates Trust is VANGUARD GROUP INC, holding approximately 9.62 million shares — equal to 12.58% of outstanding shares — as of September 30, 2025.
A total of 334 institutional investors currently hold NSA stock, with a combined institutional value of approximately $2.18 billion as of the most recent 13F filing period.
Frequently asked questions
NSA ownershipNational Storage Affiliates Trust (NSA) is primarily owned by institutional investors, who hold approximately 93.5% of shares. The largest shareholder is VANGUARD GROUP INC with a 12.58% stake. Company insiders hold 7.67%. Data sourced from SEC Form 13F as of September 30, 2025.