Global Self Storage (SELF)
Owner and operator of U.S. self-storage facilities with a third-party management service.
$5.07
vs last close+0.10 (+2.01%)
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13F · 13D/G · Form 4
| Institutions | 29.36% | 3.35M shares | |
|---|---|---|---|
| 52 holders · as of Jun 30, 2026 | |||
| Insiders | 10.84% | 1.24M shares | |
| 7 holders · as of Sep 11, 2026 | |||
| Strategic holders | 2.66% | 303.8K shares | |
| 1 holder · as of May 19, 2025 | |||
| Other | 57.14% | 6.53M shares | |
| remainder | |||
11.42M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
13F, as of Jun 30, 2026
52 holders · 3.35M shares · 4 new positions · 29 increased · 12 reduced · 6 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Winmill & Co. Inc | 586.5K | 5.14% | 0 | Aug 13, 2026 |
| Vanguard Capital Management LLC | 434.5K | 3.80% | +4.5K | Aug 13, 2026 |
| BlackRock, Inc. | 397.5K | 3.48% | +102.9K | Aug 7, 2026 |
| Marathon Capital Management | 260.8K | 2.28% | +1.2K | Jul 22, 2026 |
| Private Capital Management, LLC | 223.3K | 1.96% | +119.8K | Aug 14, 2026 |
| Renaissance Technologies LLC | 198.1K | 1.73% | −18.1K | Aug 13, 2026 |
| Geode Capital Management, LLC | 143.2K | 1.25% | −1.0K | Aug 12, 2026 |
| Wells Fargo & Company/MN | 130.9K | 1.15% | −1 | Aug 14, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Mark Campbell Winmillincl. Winmill Family Trust, Tuxis Corp +3 more | 8.40% | 947.7K | 13D | Dec 5, 2025 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Sep 10, 2026 | Mark Campbell Winmilldirector, officer: President and CEO | Purchase · 2 lots | 342 | $5.16 | 372,582 |
| Sep 9, 2026 | Mark Campbell Winmilldirector, officer: President and CEO | Purchase · 2 lots | 3,658 | $5.16 | 372,240 |
| Aug 26, 2026 | Winmill & Co. Incother: See "Explanation of Responses" | Purchase | 7,761 | $5.64 | 228,512 |
| Aug 25, 2026 | Winmill & Co. Incother: See "Explanation of Responses" | Purchase | 7,547 | $5.66 | 220,751 |
| Aug 24, 2026 | Winmill & Co. Incother: See "Explanation of Responses" | Purchase | 8,022 | $5.62 | 213,204 |
| Aug 21, 2026 | Winmill & Co. Incother: See "Explanation of Responses" | Purchase | 7,117 | $5.45 | 205,182 |
| Aug 20, 2026 | Winmill & Co. Incother: See "Explanation of Responses" | Purchase | 6,901 | $5.42 | 198,065 |
| Aug 19, 2026 | Winmill & Co. Incother: See "Explanation of Responses" | Purchase | 6,877 | $5.40 | 191,164 |
| Aug 18, 2026 | Winmill & Co. Incother: See "Explanation of Responses" | Purchase | 5,736 | $5.32 | 184,287 |
| Aug 17, 2026 | Winmill & Co. Incother: See "Explanation of Responses" | Purchase | 7,117 | $5.33 | 178,551 |
House and Senate disclosures
Not reported.