SELFNasdaqReal Estate Investment TrustsFiscal year ends December 31
Global Self Storage, Inc.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026
$4.99+0.08 (+1.63%)
Close on Oct 19, 2026
- Market cap
- $56.34M
- P/E (TTM)
- 27.7
- Dividend yield
- 5.81%
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
29.3%
3M of 11M shares
Institutional holders
51
2 new, 5 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
37 buys · 0 sales
Net bought $940.70K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Mark Campbell Winmill | 947,735 | 8.40% | 13D (active) amendment | Dec 3, 2025 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of SELF | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Winmill & Co. Inc | 586,500 | 5.14% | $3.07M | – | 0.68% |
| Vanguard Capital Management LLC | 434,491 | 3.80% | $2.28M | +4,488 | 0.00% |
| BlackRock, Inc. | 397,495 | 3.48% | $2.08M | +102,855 | 0.00% |
| Marathon Capital Management | 260,784 | 2.28% | $1.37M | +1,157 | 0.28% |
| Private Capital Management, LLC | 223,337 | 1.96% | $1.17M | +119,788 | 0.10% |
| Renaissance Technologies LLC | 198,075 | 1.73% | $1.04M | −18,100 | 0.00% |
| Geode Capital Management, LLC | 143,249 | 1.25% | $750.80K | −1,013 | 0.00% |
| Wells Fargo & Company/Mn | 130,918 | 1.15% | $686.01K | −1 | 0.00% |
| Morgan Stanley | 77,803 | 0.68% | $407.69K | +4,689 | 0.00% |
| Kestra Advisory Services, LLC | 67,167 | 0.59% | $351.96K | +4,047 | 0.00% |
| Vanguard Fiduciary Trust Co | 60,689 | 0.53% | $318.01K | +458 | 0.00% |
| Dimensional Fund Advisors LP | 57,896 | 0.51% | $303.37K | −3,233 | 0.00% |
| Towneley Capital Management, Inc / DE | 49,047 | 0.43% | $257.01K | +672 | 0.05% |
| Raymond James Financial Inc | 46,029 | 0.40% | $241.19K | +5,091 | 0.00% |
| Baker Ellis Asset Management LLC | 37,000 | 0.32% | $193.88K | +2,000 | 0.02% |
| Goldman Sachs Group Inc | 36,271 | 0.32% | $190.06K | +9,730 | 0.00% |
| PFG Investments, LLC | 35,511 | 0.31% | $186.08K | +109 | 0.01% |
| WealthTrust Axiom LLC | 32,000 | 0.28% | $167.68K | +1,000 | 0.04% |
| State Street Corp | 31,580 | 0.28% | $165.48K | – | 0.00% |
| Crossingbridge Advisors, LLC | 30,000 | 0.26% | $157.20K | −5,271 | 0.03% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 51 | 3M | 29.3% | 2 / 24 | 13 / 5 | 0M | 0M |
| Q1 2026 | 55 | 3M | 27.5% | 14 / 16 | 12 / 6 | 1M | 0M |
| Q4 2025 | 48 | 3M | 25.6% | 7 / 14 | 16 / 9 | 0M | 0M |
| Q3 2025 | 51 | 3M | 26.6% | 10 / 17 | 14 / 3 | 0M | 1M |
| Q2 2025 | 45 | 3M | 28.8% | 7 / 15 | 12 / 7 | 0M | 0M |
| Q1 2025 | 46 | 3M | 28.8% | 7 / 10 | 14 / 3 | 0M | 0M |
| Q4 2024 | 44 | 3M | 28.9% | 7 / 12 | 12 / 3 | 0M | 0M |
| Q3 2024 | 41 | 3M | 28.6% | 6 / 10 | 9 / 5 | 0M | 0M |
| Q2 2024 | 42 | 3M | 28.0% | 4 / 12 | 16 / 6 | 0M | 0M |
| Q1 2024 | 44 | 3M | 29.3% | 8 / 11 | 12 / 9 | 0M | 0M |
| Q4 2023 | 45 | 3M | 29.0% | 7 / 12 | 10 / 4 | 0M | 0M |
| Q3 2023 | 43 | 3M | 29.2% | 6 / 9 | 12 / 7 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of SELF | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 312,824 | 2.74% | $1.64M | 0.00% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 116,721 | 1.02% | $611.62K | 0.00% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 68,233 | 0.60% | $352.08K | 0.00% | May 31, 2026 |
| Dfa Real Estate Securities Portfolio | 43,975 | 0.39% | $224.27K | 0.00% | Jul 31, 2026 |
| Commonwealth Real Estate Securities Fund | 39,000 | 0.34% | $198.90K | 1.27% | Jul 31, 2026 |
| iShares Micro-Cap ETF | 37,448 | 0.33% | $196.23K | 0.01% | Jun 30, 2026 |
| AlphaCentric Real Income Fund | 30,000 | 0.26% | $157.20K | 0.37% | Jun 30, 2026 |
| Fidelity Total Market Index Fund | 27,580 | 0.24% | $142.31K | 0.00% | May 31, 2026 |
| T. Rowe Price Extended Equity Market Index Fund | 19,971 | 0.17% | $104.65K | 0.01% | Jun 30, 2026 |
| Fidelity Series Total Market Index Fund | 17,996 | 0.16% | $92.86K | 0.00% | May 31, 2026 |
| Fidelity Nasdaq Composite Index Fund | 5,948 | 0.05% | $30.69K | 0.00% | May 31, 2026 |
| Vanguard Balanced Index Fund | 4,946 | 0.04% | $25.92K | 0.00% | Jun 30, 2026 |
| Dimensional US Real Estate ETF | 4,668 | 0.04% | $23.81K | 0.00% | Jul 31, 2026 |
| 1290 VT Micro Cap Portfolio | 2,068 | 0.02% | $10.84K | 0.00% | Jun 30, 2026 |
| SA Real Estate Securities Fund | 995 | 0.01% | $5.21K | 0.00% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Mark Campbell Winmill | President and CEO, Director | 372,290 | 3.26% | Sep 11, 2026 |
| Russell Kamerman | Assistant General Counsel | 5,925 | 0.05% | Mar 25, 2026 |
| Thomas OMalley | Chief Financial Officer | 86,167 | 0.75% | Mar 25, 2026 |
| Donald Klimoski II | General Counsel | 97,554 | 0.85% | Mar 25, 2026 |
| Russell E. Burke Iii | Director | 40,002 | 0.35% | Aug 14, 2026 |
| William Chester Zachary | Director | 18,296 | 0.16% | Aug 13, 2026 |
| Sally Coonrad Carroll | Director | 3,776 | 0.03% | May 22, 2025 |
| & Co. Inc Winmill | – | 228,512 | 2.00% | Aug 26, 2026 |
| Corp Tuxis | – | 303,758 | 2.66% | May 19, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Mark Campbell Winmill President and CEO, Director | Sep 10, 2026 | Buy | +50 | $5.16 | $258 | 372,290 |
| Mark Campbell Winmill President and CEO, Director | Sep 10, 2026 | Buy | +292 | $5.16 | $1.51K | 372,582 |
| Mark Campbell Winmill President and CEO, Director | Sep 9, 2026 | Buy | +2,058 | $5.16 | $10.62K | 372,240 |
| Mark Campbell Winmill President and CEO, Director | Sep 9, 2026 | Buy | +1,600 | $5.16 | $8.26K | 370,182 |
| & Co. Inc Winmill – | Aug 26, 2026 | Buy | +7,761 | $5.64 | $43.77K | 228,512 |
| & Co. Inc Winmill – | Aug 25, 2026 | Buy | +7,547 | $5.66 | $42.72K | 220,751 |
| & Co. Inc Winmill – | Aug 24, 2026 | Buy | +8,022 | $5.62 | $45.08K | 213,204 |
| & Co. Inc Winmill – | Aug 21, 2026 | Buy | +7,117 | $5.45 | $38.79K | 205,182 |
| & Co. Inc Winmill – | Aug 20, 2026 | Buy | +6,901 | $5.42 | $37.40K | 198,065 |
| & Co. Inc Winmill – | Aug 19, 2026 | Buy | +6,877 | $5.40 | $37.14K | 191,164 |
| & Co. Inc Winmill – | Aug 18, 2026 | Buy | +5,736 | $5.32 | $30.52K | 184,287 |
| & Co. Inc Winmill – | Aug 17, 2026 | Buy | +7,117 | $5.33 | $37.93K | 178,551 |
| & Co. Inc Winmill – | Aug 14, 2026 | Buy | +6,029 | $5.23 | $31.53K | 171,434 |
| Russell E. Burke Iii Director | Aug 13, 2026 | Buy | +1,625 | $5.21 | $8.47K | 40,002 |
| & Co. Inc Winmill – | Aug 13, 2026 | Buy | +5,629 | $5.20 | $29.27K | 165,405 |
| & Co. Inc Winmill – | Aug 12, 2026 | Buy | +6,248 | $5.15 | $32.18K | 159,776 |
| William Chester Zachary Director | Aug 11, 2026 | Award | +196 | $5.10 | $1,000 | 18,296 |
| Russell E. Burke Iii Director | Aug 11, 2026 | Award | +196 | $5.10 | $1,000 | 38,377 |
| & Co. Inc Winmill – | Aug 11, 2026 | Buy | +5,887 | $5.17 | $30.44K | 153,528 |
| Mark Campbell Winmill President and CEO, Director | May 14, 2026 | Buy | +4,000 | $5.33 | $21.32K | 368,582 |
| Russell E. Burke Iii Director | May 12, 2026 | Award | +94 | $5.31 | $499 | 38,181 |
| William Chester Zachary Director | May 12, 2026 | Award | +94 | $5.31 | $499 | 18,100 |
| Russell E. Burke Iii Director | Mar 31, 2026 | Award | +2,739 | $5.11 | $14.00K | 38,087 |
| William Chester Zachary Director | Mar 31, 2026 | Award | +2,739 | $5.11 | $14.00K | 18,006 |
| Russell Kamerman Assistant General Counsel | Mar 24, 2026 | Award | +500 | $5.10 | $2.55K | 5,925 |
| Thomas OMalley Chief Financial Officer | Mar 24, 2026 | Award | +5,527 | $5.08 | $28.08K | 86,167 |
| Thomas OMalley Chief Financial Officer | Mar 24, 2026 | Award | +5,527 | $5.10 | $28.19K | 91,694 |
| Donald Klimoski II General Counsel | Mar 24, 2026 | Award | +5,527 | $5.10 | $28.19K | 97,554 |
| Donald Klimoski II General Counsel | Mar 24, 2026 | Award | +5,527 | $5.08 | $28.08K | 92,027 |
| Mark Campbell Winmill President and CEO, Director | Mar 24, 2026 | Award | +12,672 | $5.08 | $64.37K | 351,910 |
| Mark Campbell Winmill President and CEO, Director | Mar 24, 2026 | Award | +12,672 | $5.10 | $64.63K | 364,582 |
| Mark Campbell Winmill President and CEO, Director | Dec 5, 2025 | Buy | +800 | $5.05 | $4.04K | 335,638 |
| Mark Campbell Winmill President and CEO, Director | Dec 5, 2025 | Buy | +3,600 | $5.09 | $18.32K | 339,238 |
| Mark Campbell Winmill President and CEO, Director | Dec 4, 2025 | Buy | +6,000 | $5.14 | $30.84K | 334,838 |
| Mark Campbell Winmill President and CEO, Director | Dec 3, 2025 | Buy | +6,000 | $5.13 | $30.78K | 328,838 |
| Donald Klimoski II General Counsel | Dec 2, 2025 | Buy | +446 | $5.05 | $2.25K | 86,500 |
| & Co. Inc Winmill – | Dec 1, 2025 | Buy | +3,062 | $5.18 | $15.86K | 147,641 |
| & Co. Inc Winmill – | Nov 28, 2025 | Buy | +3,342 | $5.16 | $17.24K | 144,579 |
| & Co. Inc Winmill – | Nov 26, 2025 | Buy | +4,873 | $5.17 | $25.19K | 141,237 |
| & Co. Inc Winmill – | Nov 25, 2025 | Buy | +4,547 | $5.18 | $23.55K | 136,364 |
| & Co. Inc Winmill – | Nov 24, 2025 | Buy | +4,064 | $5.14 | $20.89K | 131,817 |
| & Co. Inc Winmill – | Nov 21, 2025 | Buy | +6,226 | $5.09 | $31.69K | 127,753 |
| & Co. Inc Winmill – | Nov 20, 2025 | Buy | +5,870 | $5.08 | $29.82K | 121,527 |
| & Co. Inc Winmill – | Nov 19, 2025 | Buy | +6,226 | $5.13 | $31.94K | 115,657 |
| & Co. Inc Winmill – | Nov 18, 2025 | Buy | +5,618 | $5.16 | $28.99K | 109,431 |
| & Co. Inc Winmill – | Nov 17, 2025 | Buy | +6,226 | $5.12 | $31.88K | 103,813 |
| & Co. Inc Winmill – | Nov 14, 2025 | Buy | +7,035 | $5.09 | $35.81K | 97,587 |
| Russell E. Burke Iii Director | Nov 13, 2025 | Award | +248 | $5.03 | $1.25K | 35,348 |
| William Chester Zachary Director | Nov 13, 2025 | Award | +2,584 | $5.03 | $13.00K | 15,267 |
| & Co. Inc Winmill – | Nov 13, 2025 | Buy | +6,694 | $5.03 | $33.67K | 90,552 |
| & Co. Inc Winmill – | Nov 12, 2025 | Buy | +6,055 | $5.03 | $30.46K | 83,858 |
| & Co. Inc Winmill – | Nov 11, 2025 | Buy | +2,069 | $4.97 | $10.28K | 77,803 |
| & Co. Inc Winmill – | Aug 29, 2025 | Buy | +4,592 | $5.48 | $25.16K | 75,734 |
| & Co. Inc Winmill – | Aug 28, 2025 | Buy | +7,209 | $5.42 | $39.07K | 71,142 |
| & Co. Inc Winmill – | Aug 27, 2025 | Buy | +5,477 | $5.36 | $29.36K | 63,933 |
| & Co. Inc Winmill – | Aug 26, 2025 | Buy | +7,788 | $5.26 | $40.96K | 58,456 |
| & Co. Inc Winmill – | Aug 25, 2025 | Buy | +7,823 | $5.22 | $40.84K | 50,668 |
| Russell E. Burke Iii Director | Aug 25, 2025 | Buy | +105 | $5.25 | $551 | 35,100 |
| & Co. Inc Winmill – | Aug 22, 2025 | Buy | +2,160 | $5.15 | $11.12K | 42,845 |
| & Co. Inc Winmill – | Aug 21, 2025 | Buy | +502 | $5.12 | $2.57K | 40,685 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.