Global Self Storage, Inc. (SELF) Ownership
SELF ownership summary
as of October 18, 2026- Institutions
- 30.7% of shares outstanding
- Insiders
- 9.54% of shares outstanding
- Shares outstanding
- 11.4M
- Float
- 10.5M shares available to trade
- Short interest
- 0.28% 29K shares short
- Days to cover
- 0.75 short interest up 72.2% vs prior month
- Institutions 30.66%
- Insiders 9.54%
- Other investors 59.80%
SELF top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Winmill & Co Inc | 5.14% | 586K | $2.9M | — | June 30, 2026 |
| 2 | Vanguard Capital Management, LLC | 3.80% | 434K | $2.1M | +4,488 (+1.0%) | June 30, 2026 |
| 3 | BlackRock Inc | 3.48% | 397K | $2.0M | +102,855 (+34.9%) | June 30, 2026 |
| 4 | Marathon Capital Management LLC | 2.28% | 261K | $1.3M | +1,157 (+0.4%) | June 30, 2026 |
| 5 | Private Capital Management, LLC | 1.96% | 223K | $1.1M | +119,788 (+115.7%) | June 30, 2026 |
| 6 | Renaissance Technologies Corp | 1.73% | 198K | $972,548 | −18,100 (−8.4%) | June 30, 2026 |
| 7 | Geode Capital Management, LLC | 1.25% | 143K | $703,353 | −1,013 (−0.7%) | June 30, 2026 |
| 8 | Wells Fargo & Co | 1.15% | 131K | $642,807 | −1 (−0.0%) | June 30, 2026 |
| 9 | Morgan Stanley - Brokerage Accounts | 0.68% | 78K | $382,013 | +4,689 (+6.4%) | June 30, 2026 |
| 10 | Kestra Advisory Services, LLC | 0.59% | 67K | $329,790 | +4,047 (+6.4%) | June 30, 2026 |
| 11 | Vanguard Fiduciary Trust Co | 0.53% | 61K | $297,983 | +458 (+0.8%) | June 30, 2026 |
| 12 | Dimensional Fund Advisors, Inc. | 0.51% | 58K | $284,269 | −3,233 (−5.3%) | June 30, 2026 |
| 13 | Towneley Capital Management Inc / DE | 0.43% | 49K | $240,821 | +672 (+1.4%) | June 30, 2026 |
| 14 | Baker Ellis Asset Management LLC | 0.33% | 38K | $186,580 | +1,000 (+2.7%) | September 30, 2026 |
| 15 | The Goldman Sachs Group Inc | 0.32% | 36K | $178,091 | +9,730 (+36.7%) | June 30, 2026 |
| 16 | PFG Investments, LLC | 0.31% | 36K | $174,359 | +109 (+0.3%) | June 30, 2026 |
| 17 | WEALTHTRUST AXIOM LLC | 0.28% | 32K | $157,120 | +1,000 (+3.2%) | June 30, 2026 |
| 18 | State Street Corp | 0.28% | 32K | $155,058 | — | June 30, 2026 |
| 19 | AlphaCentric Advisors, LLC | 0.26% | 30K | $147,300 | −5,271 (−14.9%) | June 30, 2026 |
| 20 | Cetera Investment Advisers | 0.25% | 28K | $139,699 | −14,983 (−34.5%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 250K shares and 6 cut 43K.
SELF top mutual fund and ETF holders
19 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 2.74% | 313K | $1.5M | — | August 31, 2026 |
| 2 | Fidelity Extended Market Index | 0.58% | 67K | $327,197 | −358 (−0.5%) | August 31, 2026 |
| 3 | DFA Real Estate Securities I | 0.39% | 44K | $215,917 | — | August 31, 2026 |
| 4 | Commonwealth Real Estate Securities | 0.34% | 39K | $191,490 | — | July 31, 2026 |
| 5 | iShares Micro-Cap ETF | 0.31% | 36K | $175,415 | −246 (−0.7%) | September 30, 2026 |
| 6 | AlphaCentric Real Income I | 0.26% | 30K | $147,300 | −5,271 (−14.9%) | June 30, 2026 |
| 7 | Fidelity Total Market Index | 0.24% | 28K | $135,310 | — | August 31, 2026 |
| 8 | T. Rowe Price Extended Equity Market Idx | 0.17% | 20K | $98,058 | — | September 30, 2026 |
| 9 | Fidelity Series Total Market Index | 0.16% | 18K | $88,360 | — | August 31, 2026 |
| 10 | BSF Systematic US Eq Abs Ret A2 USD | 0.08% | 8,918 | $43,787 | +8,918 (0.0%) | December 31, 2025 |
| 11 | Dimensional US Real Estate ETF | 0.06% | 6,551 | $32,165 | — | September 24, 2026 |
| 12 | Fidelity Nasdaq Composite Index | 0.05% | 5,948 | $29,205 | — | August 31, 2026 |
| 13 | Vanguard Balanced Index Inv | 0.04% | 4,946 | $24,285 | — | August 31, 2026 |
| 14 | Vanguard U.S. Eq Idx £ Acc | 0.04% | 4,054 | $19,905 | — | August 31, 2026 |
| 15 | DFA US Core Equity Class F | 0.02% | 2,589 | $12,712 | — | July 31, 2026 |
| 16 | 1290 VT Micro Cap K | 0.02% | 2,068 | $10,154 | — | August 31, 2026 |
| 17 | Dimensional Global Real Estate ETF | 0.02% | 2,026 | $9,948 | — | September 30, 2026 |
| 18 | Dimensional Global Core Equity USD Acc | 0.02% | 1,851 | $9,088 | — | August 31, 2026 |
| 19 | SA Real Estate Securities | 0.01% | 995 | $4,885 | — | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
SELF insider transactions
latest 1| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-05-19 | Mark Campbell Winmill | Buy | $5.67 | 10,000 | $56,700 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
SELF shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns SELF
Institutional investors own 30.7% of Global Self Storage's shares and insiders 9.54%. The largest holder is Winmill & Co Inc with 5.14% of the shares (586K), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 6 reduced their stake in the latest filings. Short interest is 0.28% of the float, or 0.75 days of average trading volume. The share count rose 51.3% since 2014.
Related: SELF analyst forecast, SELF key metrics, SELF dividend history. See the SELF stock overview for the latest quote and news.
SELF ownership FAQ
Who owns the most Global Self Storage stock?
The largest shareholders of Global Self Storage are Winmill & Co Inc (5.14%), Vanguard Capital Management, LLC (3.80%), BlackRock Inc (3.48%), Marathon Capital Management LLC (2.28%), Private Capital Management, LLC (1.96%).
What percentage of Global Self Storage is owned by institutions?
Institutions hold 30.7% of Global Self Storage's shares outstanding; insiders hold 9.54%.
Which funds own Global Self Storage?
The largest fund holders of Global Self Storage are Vanguard MStar Total Stk Mkt Idx Invest (2.74%), Fidelity Extended Market Index (0.58%), DFA Real Estate Securities I (0.39%), Commonwealth Real Estate Securities (0.34%), iShares Micro-Cap ETF (0.31%).
What is Global Self Storage's short interest?
29K shares of Global Self Storage were sold short, 0.28% of the float; at the average daily volume it would take 0.75 days to cover.
Are insiders buying or selling Global Self Storage?
Of the latest 1 reported insider transactions in Global Self Storage (since May 19, 2025), 1 were purchases and 0 were sales.
How many shares of Global Self Storage are outstanding?
Global Self Storage has 11.4M shares outstanding, of which 10.5M are in the public float.