Institutional Ownership
Global Self Storage Inc
CUSIP 37955N106COMSELFQ1 2026
13D / 13G Filings
7
Schedule 13D/13G on record
Beneficial Filers
4
Distinct reporting persons
Largest Stake
8.4%
Max % of class reported
Institutional Holders
51
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
7 filings · latest Dec 5, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Dec 5, 2025 | Mark Campbell Winmill | 13D/A | 8.4% | — | SEC |
| 2 | Nov 12, 2025 | Bard Associates Inc | 13G/A | 2.9% | 330.3K | SEC |
| 3 | May 21, 2025 | Mark Campbell Winmill | 13D/A | 7.3% | — | SEC |
| 4 | Feb 10, 2021 | Vanguard Group Inc | 13G/A | 4.8% | 450.9K | SEC |
| 5 | Sep 16, 2020 | Storage Capital, LLC | 13D/A | 3.8% | 358.8K | SEC |
| 6 | Jun 26, 2020 | Storage Capital, LLC | 13D | 4.8% | 454.2K | SEC |
| 7 | Feb 12, 2020 | Vanguard Group Inc | 13G/A | 5.5% | 422.8K | SEC |
Top Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Winmill & Co. Inc | 586.5K | $3.00M |
| 2 | Blackrock, Inc. | 294.6K | $1.51M |
| 3 | Marathon Capital Management | 259.6K | $1.33M |
| 4 | Renaissance Technologies LLC | 216.2K | $1.10M |
| 5 | Geode Capital Management, LLC | 144.3K | $737.3K |
| 6 | Wells Fargo & Company/Mn | 130.9K | $669.0K |
| 7 | Private Capital Management, LLC | 103.5K | $529.1K |
| 8 | Morgan Stanley | 73.1K | $373.6K |
| 9 | Kestra Advisory Services, LLC | 63.1K | $322.5K |
| 10 | Dimensional Fund Advisors LP | 61.1K | $312.4K |