GLOBAL SELF STORAGE INC (SELF) Institutional Shareholders
GLOBAL SELF STORAGE INC (SELF) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $17.45M in SELF holdings during the latest filing period.
Winmill & Co. Inc is currently the largest disclosed institutional shareholder of SELF tracked by InsiderSet, reporting ownership valued at approximately $3.07M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $3.14M, representing an estimated gain of +2.10% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 76% of the total disclosed SELF value among the investors covered in this analysis. Major shareholders include Winmill & Co. Inc, Vanguard Capital Management Llc, Blackrock, Inc., and several other long-term asset managers with concentrated positions in GLOBAL SELF STORAGE INC (SELF).
This page ranks the largest institutional SELF shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
49
Total Reported Value
$17.45M
Largest Holder
Winmill & Co. Inc
Largest Position
$3.07M
Insider Transactions (90d)
3
Latest Filing Quarter
Q2 2026
New Institutional Positions
61
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Winmill & Co. Inc | 0.68% | 586,500 | $3,073,260 | $3,137,775 | +$64,515 | +2.10% | |
| Vanguard Capital Management Llc | 0.00% | 434,491 | $2,276,733 | $2,324,527 | +$47,794 | +2.10% | |
| Blackrock, Inc. | 0.00% | 397,495 | $2,082,874 | $2,126,598 | +$43,724 | +2.10% | |
| Marathon Capital Management | 0.28% | 260,784 | $1,366,506 | $1,395,194 | +$28,688 | +2.10% | |
| Private Capital Management, Llc | 0.11% | 223,337 | $1,170,286 | $1,194,853 | +$24,567 | +2.10% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 198,075 | $1,037,913 | $1,059,701 | +$21,788 | +2.10% |
| Geode Capital Management, Llc | 0.00% | 143,249 | $750,799 | $766,382 | +$15,583 | +2.08% | |
| Wells Fargo & Company/Mn | 0.00% | 130,918 | $686,011 | $700,411 | +$14,400 | +2.10% | |
| Morgan Stanley | 0.00% | 77,803 | $407,692 | $416,246 | +$8,554 | +2.10% | |
| Kestra Advisory Services, Llc | 0.00% | 67,167 | $351,957 | $359,343 | +$7,386 | +2.10% | |
| Vanguard Fiduciary Trust Co | 0.00% | 60,689 | $318,010 | $324,686 | +$6,676 | +2.10% | |
| Dimensional Fund Advisors Lp | 0.00% | 57,896 | $303,374 | $309,744 | +$6,370 | +2.10% | |
| Towneley Capital Management, Inc / De | 0.05% | 49,047 | $257,008 | $262,401 | +$5,393 | +2.10% | |
| Raymond James Financial Inc | 0.00% | 46,029 | $241,191 | $246,255 | +$5,064 | +2.10% | |
| Baker Ellis Asset Management Llc | 0.02% | 37,000 | $193,880 | $197,950 | +$4,070 | +2.10% | |
| Goldman Sachs Group Inc | 0.00% | 36,271 | $190,060 | $194,050 | +$3,990 | +2.10% | |
| Pfg Investments, Llc | 0.01% | 35,511 | $186,076 | $189,984 | +$3,908 | +2.10% | |
| Wealthtrust Axiom Llc | 0.04% | 32,000 | $167,680 | $171,200 | +$3,520 | +2.10% | |
| State Street Corp | 0.00% | 31,580 | $165,479 | $168,953 | +$3,474 | +2.10% | |
| Alphacentric Advisors Llc | 0.13% | 30,000 | $157,200 | $160,500 | +$3,300 | +2.10% | |
| Crossingbridge Advisors, Llc | 0.03% | 30,000 | $157,200 | $160,500 | +$3,300 | +2.10% | |
| Cetera Investment Advisers | 0.00% | 28,452 | $149,088 | $152,218 | +$3,130 | +2.10% | |
| Lpl Financial Llc | 0.00% | 28,172 | $147,620 | $150,720 | +$3,100 | +2.10% | |
| Citadel Advisors Llc | 0.00% | 27,614 | $144,697 | $147,735 | +$3,038 | +2.10% | |
| Man Group Plc | 0.00% | 26,730 | $140,065 | $143,006 | +$2,941 | +2.10% | |
| Northern Trust Corp | 0.00% | 25,435 | $133,279 | $136,077 | +$2,798 | +2.10% | |
| James Investment Research, Inc. | 0.01% | 24,100 | $126,284 | $128,935 | +$2,651 | +2.10% | |
| Newedge Advisors, Llc | 0.00% | 24,100 | $126,284 | $128,935 | +$2,651 | +2.10% | |
| Merit Financial Group, Llc | 0.00% | 23,297 | $122,076 | $124,639 | +$2,563 | +2.10% | |
| Ubs Group Ag | 0.00% | 23,244 | $121,799 | $124,355 | +$2,556 | +2.10% | |
| Ethos Financial Group, Llc | 0.01% | 19,175 | $100,477 | $102,586 | +$2,109 | +2.10% | |
| O'Shaughnessy Asset Management, Llc | 0.00% | 17,096 | $89,583 | $91,464 | +$1,881 | +2.10% | |
| Hsbc Holdings Plc | 0.00% | 17,271 | $88,255 | $92,400 | +$4,145 | +4.70% | |
| Bard Associates Inc | 0.02% | 15,651 | $82,012 | $83,733 | +$1,721 | +2.10% | |
| Jpmorgan Chase & Co | 0.00% | 13,477 | $69,676 | $72,102 | +$2,426 | +3.48% | |
| Ritholtz Wealth Management | 0.00% | 11,985 | $62,802 | $64,120 | +$1,318 | +2.10% | |
| Barclays Plc | 0.00% | 10,578 | $55,429 | $56,592 | +$1,163 | +2.10% | |
| Financial Gravity Asset Management, Inc. | 0.01% | 6,425 | $32,832 | $34,374 | +$1,542 | +4.70% | |
| Osaic Holdings, Inc. | 0.00% | 5,725 | $30,002 | $30,629 | +$627 | +2.09% | |
| Simplex Trading, Llc | 0.00% | 4,613 | $24,172 | $24,680 | +$508 | +2.10% | |
| Vanguard Global Advisers, Llc | 0.00% | 4,054 | $21,243 | $21,689 | +$446 | +2.10% | |
| Mercer Global Advisors Inc | 0.00% | 3,567 | $18,690 | $19,083 | +$393 | +2.11% | |
| Pnc Financial Services Group, Inc. | 0.00% | 1,900 | $9,956 | $10,165 | +$209 | +2.10% | |
| Jones Financial Companies Lllp | 0.00% | 800 | $4,144 | $4,280 | +$136 | +3.28% | |
| Bnp Paribas Financial Markets | 0.00% | 662 | $3,469 | $3,542 | +$73 | +2.10% | |
| Bartlett & Co. Wealth Management Llc | 0.00% | 505 | $2,646 | $2,702 | +$56 | +2.11% | |
| Fmr Llc | 0.00% | 400 | $2,096 | $2,140 | +$44 | +2.10% | |
| Citigroup Inc | 0.00% | 140 | $734 | $749 | +$15 | +2.04% | |
| Price T Rowe Associates Inc | 0.00% | 19,971 | $105 | $106,845 | +$106,740 | +101657.00% |
Frequently asked questions about SELF
Who owns the most SELF stock?
The largest holders of SELF are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for GLOBAL SELF STORAGE INC (SELF).
Is SELF widely held by superinvestors?
Many widely followed stocks like SELF appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly SELF is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.