Who owns Global Self Storage, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of SELF from SEC Form 13F filings across 51 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 51 institutions disclosed 3.3M shares of Global Self Storage, Inc. worth $17.5M — about 29.8% of shares outstanding; the largest disclosed holder is WINMILL & CO. INC. Source: SEC Form 13F filings, parsed by EvidInvest.
51
13F holders
$17.5M
value, 2026 filers
29.8%
of shares outstanding (3.3M sh)
3
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of SELF's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | WINMILL & CO. INC | 586,500 | $3.1M | 0.7% | 5.2% | 0.0% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 434,491 | $2.3M | 0.0% | 3.9% | +1.0% |
| 3 | BlackRock, Inc. | 397,495 | $2.1M | 0.0% | 3.5% | +34.9% |
| 4 | MARATHON CAPITAL MANAGEMENT | 260,784 | $1.4M | 0.3% | 2.3% | +0.4% |
| 5 | Private Capital Management, LLC | 223,337 | $1.2M | 0.1% | 2% | +115.7% |
| 6 | RENAISSANCE TECHNOLOGIES LLC | 198,075 | $1.0M | 0.0% | 1.8% | -8.4% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 143,249 | $750,799 | 0.0% | 1.3% | -0.7% |
| 8 | WELLS FARGO & COMPANY/MN | 130,918 | $686,011 | 0.0% | 1.2% | 0.0% |
| 9 | MORGAN STANLEY | 77,803 | $407,692 | 0.0% | 0.7% | +6.4% |
| 10 | Kestra Advisory Services, LLC | 67,167 | $351,957 | 0.0% | 0.6% | +6.4% |
| 11 | VANGUARD FIDUCIARY TRUST CO | 60,689 | $318,010 | 0.0% | 0.5% | +0.8% |
| 12 | DIMENSIONAL FUND ADVISORS LP | 57,896 | $303,374 | 0.0% | 0.5% | -5.3% |
| 13 | Towneley Capital Management, Inc / DE | 49,047 | $257,008 | 0.1% | 0.4% | +1.4% |
| 14 | RAYMOND JAMES FINANCIAL INC | 46,029 | $241,191 | 0.0% | 0.4% | +12.4% |
| 15 | Baker Ellis Asset Management LLC | 37,000 | $193,880 | 0.0% | 0.3% | +5.7% |
| 16 | GOLDMAN SACHS GROUP INC | 36,271 | $190,060 | 0.0% | 0.3% | +36.7% |
| 17 | PFG Investments, LLC | 35,511 | $186,076 | 0.0% | 0.3% | +0.3% |
| 18 | WealthTrust Axiom LLC | 32,000 | $167,680 | 0.0% | 0.3% | +3.2% |
| 19 | STATE STREET CORP | 31,580 | $165,479 | 0.0% | 0.3% | 0.0% |
| 20 | Crossingbridge Advisors, LLC | 30,000 | $157,200 | 0.0% | 0.3% | -14.9% |
| 21 | AlphaCentric Advisors LLC | 30,000 | $157,200 | 0.1% | 0.3% | -14.9% |
| 22 | Cetera Investment Advisers | 28,452 | $149,088 | 0.0% | 0.3% | -34.5% |
| 23 | LPL Financial LLC | 28,172 | $147,620 | 0.0% | 0.3% | +0.7% |
| 24 | CITADEL ADVISORS LLCNEW | 27,614 | $144,697 | 0.0% | 0.2% | new |
| 25 | Man Group plc | 26,730 | $140,065 | 0.0% | 0.2% | +7.1% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.