
Global Self Storage is a reit - industrial company in the real estate sector on NASDAQ, led by Mark C. Winmill, with a market cap of $56.8M. As of Q3 2025, 27% of shares are held by 48 institutional investors, with WINMILL & CO. INC as the largest holder at 4.54%.
Overview of institutional ownership in SELF as of Q3 2025 with a market cap of $57.0M
Based on market cap of $57.0M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Institutions with the largest positions in SELF as of Q3 2025
| Institution | Position Value |
|---|---|
W WINMILL & CO. INC Institution | $2.6M 0.63% of portfolio |
VANGUARD GROUP INC Institution | $2.6M 0.00% of portfolio |
BARD ASSOCIATES INC RIA/Wealth | $1.7M 0.45% of portfolio |
MARATHON CAPITAL MANAGEMENT RIA/Wealth | $1.5M 0.34% of portfolio |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | $1.1M 0.00% of portfolio |
B BlackRock, Inc. Institution | $779.6K 0.00% of portfolio |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | $710.8K 0.00% of portfolio |
STANSBERRY ASSET MANAGEMENT, LLC RIA/Wealth | $429.8K 0.05% of portfolio |
Kestra Advisory Services, LLC RIA/Wealth | $371.6K 0.00% of portfolio |
MORGAN STANLEY RIA/Wealth | $350.2K 0.00% of portfolio |
Institutional buying and selling activity for SELF in Q3 2025
| Institution | Net Bought |
|---|---|
B BlackRock, Inc. Institution | +$343.3K +68.2K shares |
Kestra Advisory Services, LLC RIA/Wealth | +$316.7K +63.0K shares |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | +$196.9K +39.1K shares |
W WINMILL & CO. INC Institution | +$178.8K +35.6K shares |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | +$158.8K +31.6K shares |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | +$105.1K +20.9K shares |
V Virtu Financial LLC Institution | +$53.9K +10.7K shares |
Goss Wealth Management LLC RIA/Wealth | +$42.8K +8.5K shares |
JAMES INVESTMENT RESEARCH INC Long Only Manager | +$42.8K +8.5K shares |
RAYMOND JAMES FINANCIAL INC RIA/Wealth | +$42.6K +8.5K shares |
| Institution | Net Sold |
|---|---|
BARD ASSOCIATES INC RIA/Wealth | −$1.5M −292.3K shares |
L Laffer Investments RIA/Wealth | −$387.6K −72.6K shares |
L LPL Financial LLC Institution | −$319.4K −63.5K shares |
MARATHON CAPITAL MANAGEMENT RIA/Wealth | −$187.2K −37.2K shares |
PRICE T ROWE ASSOCIATES INC /MD/ Long Only Manager | −$67.5K −13.4K shares |
O'SHAUGHNESSY ASSET MANAGEMENT, LLC Long Only Manager | −$56.0K −11.1K shares |
Comprehensive Portfolio Management, LLC RIA/Wealth | −$39.2K −7.8K shares |
C Covestor Ltd Institution | −$19.1K −3.8K shares |
M Man Group plc Institution | −$6.0K −1.2K shares |
B Bangor Savings Bank Institution | −$4.3K −800.0 shares |
Institutions that initiated new positions or completely exited SELF in Q3 2025
| Institution | Position Value |
|---|---|
V Virtu Financial LLC Institution | $53.9K 10.7K shares |
Farther Finance Advisors, LLC RIA/Wealth | $3.3K 649.0 shares |
BARTLETT & CO. WEALTH MANAGEMENT LLC RIA/Wealth | $2.5K 505.0 shares |
| Institution | Previous Position |
|---|---|
L Laffer Investments RIA/Wealth | $387.6K 72.6K shares |
B Bangor Savings Bank Institution | $4.3K 800.0 shares |
HOLLENCREST SECURITIES LLC RIA/Wealth | $203.0 38.0 shares |
Institutions with the largest Call and Put options positions in SELF as of Q3 2025
| Institution | Position Value |
|---|---|
| No call positions found | |
| Institution | Position Value |
|---|---|
| No put positions found | |
Institutions with SELF as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
W WINMILL & CO. INC Institution | 0.63% $2.6M |
BARD ASSOCIATES INC RIA/Wealth | 0.45% $1.7M |
MARATHON CAPITAL MANAGEMENT RIA/Wealth | 0.34% $1.5M |
Towneley Capital Management, Inc / DE RIA/Wealth | 0.05% $236.5K |
STANSBERRY ASSET MANAGEMENT, LLC RIA/Wealth | 0.05% $429.8K |
Baker Ellis Asset Management LLC RIA/Wealth | 0.02% $166.0K |
JAMES INVESTMENT RESEARCH INC Long Only Manager | 0.01% $121.2K |
Ethos Financial Group, LLC RIA/Wealth | 0.01% $129.0K |
P PFG Investments, LLC Institution | 0.01% $157.7K |
F Financial Gravity Wealth, Inc. Institution | 0.01% $32.3K |
Discover hedge funds investing in SELF


| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Software - Infrastructure Technology | $2.1B | 1.68% | |
Semiconductors Technology | $1.8B | 1.50% | |
Internet Content & Information Communication Services | $1.4B | 1.18% |
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