61 institutions reported holding $16.0M of GLOBAL SELF STORAGE INC (SELF) in SEC 13F filings for 2026-03-31. Largest institutional holders: WINMILL & CO. INC ($3.0M), VANGUARD CAPITAL MANAGEMENT LLC ($2.2M), BlackRock, Inc. ($1.5M), MARATHON CAPITAL MANAGEMENT ($1.3M), RENAISSANCE TECHNOLOGIES LLC ($1.1M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | WINMILL & CO. INC | $3.0M | 586,500 | Hold |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $2.2M | 430,003 | New |
| 3 | BlackRock, Inc. | $1.5M | 294,640 | Added |
| 4 | MARATHON CAPITAL MANAGEMENT | $1.3M | 259,627 | Trimmed |
| 5 | RENAISSANCE TECHNOLOGIES LLC | $1.1M | 216,175 | Added |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | $737,338 | 144,262 | Added |
| 7 | WELLS FARGO & COMPANY/MN | $668,994 | 130,919 | Added |
| 8 | Private Capital Management, LLC | $529,135 | 103,549 | Added |
| 9 | MORGAN STANLEY | $373,617 | 73,114 | Added |
| 10 | Kestra Advisory Services, LLC | $322,543 | 63,120 | Trimmed |
| 11 | DIMENSIONAL FUND ADVISORS LP | $312,370 | 61,129 | Hold |
| 12 | VANGUARD FIDUCIARY TRUST CO | $307,780 | 60,231 | New |
| 13 | Towneley Capital Management, Inc / DE | $247,198 | 48,375 | Added |
| 14 | Cetera Investment Advisers | $221,952 | 43,435 | Trimmed |
| 15 | RAYMOND JAMES FINANCIAL INC | $209,191 | 40,938 | Added |
| 16 | PFG Investments, LLC | $180,905 | 35,402 | Added |
| 17 | AlphaCentric Advisors LLC | $180,235 | 35,271 | Hold |
| 18 | Crossingbridge Advisors, LLC | $180,235 | 35,271 | Hold |
| 19 | Baker Ellis Asset Management LLC | $178,850 | 35,000 | Trimmed |
| 20 | STATE STREET CORP | $161,374 | 31,580 | Hold |
| 21 | WealthTrust Axiom LLC | $158,410 | 31,000 | New |
| 22 | LPL Financial LLC | $142,921 | 27,969 | Trimmed |
| 23 | GOLDMAN SACHS GROUP INC | $135,625 | 26,541 | Added |
| 24 | NORTHERN TRUST CORP | $129,702 | 25,382 | Added |
| 25 | Man Group plc | $127,540 | 24,959 | Added |
Source: SEC Form 13F filings · as of 2026-03-31