GLOBAL SELF STORAGE INC (SELF) Top 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 March 31, 2026. The institutional investors covered on this page collectively reported approximately $15.78M 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 $3.00M in its March 31, 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 $2.99M, representing an estimated loss of -0.20% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 75% 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
52
Total Reported Value
$15.78M
Largest Holder
Winmill & Co. Inc
Largest Position
$3.00M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
59
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Winmill & Co. Inc | 0.86% | 586,500 | $2,997,015 | $2,991,150 | -$5,865 | -0.20% | |
| Vanguard Capital Management Llc | 0.00% | 430,003 | $2,197,315 | $2,193,015 | -$4,300 | -0.20% | |
| Blackrock, Inc. | 0.00% | 294,640 | $1,505,609 | $1,502,664 | -$2,945 | -0.20% | |
| Marathon Capital Management | 0.30% | 259,627 | $1,326,696 | $1,324,098 | -$2,598 | -0.20% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 216,175 | $1,104,654 | $1,102,493 | -$2,162 | -0.20% |
| Geode Capital Management, Llc | 0.00% | 144,262 | $737,338 | $735,736 | -$1,602 | -0.22% | |
| Wells Fargo & Company/Mn | 0.00% | 130,919 | $668,994 | $667,687 | -$1,307 | -0.20% | |
| Private Capital Management, Llc | 0.05% | 103,549 | $529,135 | $528,100 | -$1,035 | -0.20% | |
| Morgan Stanley | 0.00% | 73,114 | $373,617 | $372,881 | -$736 | -0.20% | |
| Kestra Advisory Services, Llc | 0.00% | 63,120 | $322,543 | $321,912 | -$631 | -0.20% | |
| Dimensional Fund Advisors Lp | 0.00% | 61,129 | $312,370 | $311,758 | -$612 | -0.20% | |
| Vanguard Fiduciary Trust Co | 0.00% | 60,231 | $307,780 | $307,178 | -$602 | -0.20% | |
| Towneley Capital Management, Inc / De | 0.05% | 48,375 | $247,198 | $246,712 | -$486 | -0.20% | |
| Cetera Investment Advisers | 0.00% | 43,435 | $221,952 | $221,518 | -$434 | -0.20% | |
| Raymond James Financial Inc | 0.00% | 40,938 | $209,191 | $208,784 | -$407 | -0.19% | |
| Pfg Investments, Llc | 0.01% | 35,402 | $180,905 | $180,550 | -$355 | -0.20% | |
| Alphacentric Advisors Llc | 0.18% | 35,271 | $180,235 | $179,882 | -$353 | -0.20% | |
| Crossingbridge Advisors, Llc | 0.03% | 35,271 | $180,235 | $179,882 | -$353 | -0.20% | |
| Baker Ellis Asset Management Llc | 0.02% | 35,000 | $178,850 | $178,500 | -$350 | -0.20% | |
| State Street Corp | 0.00% | 31,580 | $161,374 | $161,058 | -$316 | -0.20% | |
| Wealthtrust Axiom Llc | 0.04% | 31,000 | $158,410 | $158,100 | -$310 | -0.20% | |
| Lpl Financial Llc | 0.00% | 27,969 | $142,921 | $142,642 | -$279 | -0.20% | |
| Goldman Sachs Group Inc | 0.00% | 26,541 | $135,625 | $135,359 | -$266 | -0.20% | |
| Northern Trust Corp | 0.00% | 25,382 | $129,702 | $129,448 | -$254 | -0.20% | |
| Man Group Plc | 0.00% | 24,959 | $127,540 | $127,291 | -$249 | -0.20% | |
| James Investment Research, Inc. | 0.01% | 24,100 | $123,151 | $122,910 | -$241 | -0.20% | |
| Susquehanna International Group, Llp | 0.00% | 23,779 | $121,511 | $121,273 | -$238 | -0.20% | |
| Ubs Group Ag | 0.00% | 22,570 | $115,333 | $115,107 | -$226 | -0.20% | |
| Ethos Financial Group, Llc | 0.01% | 21,810 | $111,231 | $111,231 | -$0 | -0.00% | |
| Merit Financial Group, Llc | 0.00% | 17,975 | $91,855 | $91,673 | -$183 | -0.20% | |
| Hsbc Holdings Plc | 0.00% | 17,271 | $87,909 | $88,082 | +$173 | +0.20% | |
| Bard Associates Inc | 0.02% | 16,655 | $85,108 | $84,941 | -$168 | -0.20% | |
| O'Shaughnessy Asset Management, Llc | 0.00% | 15,720 | $80,329 | $80,172 | -$157 | -0.20% | |
| Ritholtz Wealth Management | 0.00% | 10,907 | $55,737 | $55,626 | -$111 | -0.20% | |
| Barclays Plc | 0.00% | 10,529 | $53,803 | $53,698 | -$105 | -0.20% | |
| Simplex Trading, Llc | 0.00% | 6,618 | $33,817 | $33,752 | -$65 | -0.19% | |
| Financial Gravity Asset Management, Inc. | 0.01% | 6,425 | $32,832 | $32,767 | -$65 | -0.20% | |
| Osaic Holdings, Inc. | 0.00% | 5,686 | $29,056 | $28,999 | -$57 | -0.20% | |
| Citigroup Inc | 0.00% | 5,629 | $28,764 | $28,708 | -$56 | -0.20% | |
| Newedge Advisors, Llc | 0.00% | 24,100 | $24,100 | $122,910 | +$98,810 | +410.00% | |
| Vanguard Global Advisers, Llc | 0.00% | 4,054 | $20,716 | $20,675 | -$41 | -0.20% | |
| Advisory Services Network, Llc | 0.00% | 3,732 | $19,071 | $19,033 | -$38 | -0.20% | |
| Pnc Financial Services Group, Inc. | 0.00% | 1,900 | $9,709 | $9,690 | -$19 | -0.20% | |
| Jones Financial Companies Lllp | 0.00% | 1,004 | $5,060 | $5,120 | +$60 | +1.19% | |
| Nisa Investment Advisors, Llc | 0.00% | 951 | $4,860 | $4,850 | -$10 | -0.20% | |
| Bartlett & Co. Wealth Management Llc | 0.00% | 505 | $2,788 | $2,576 | -$213 | -7.62% | |
| Bnp Paribas Financial Markets | 0.00% | 408 | $2,085 | $2,081 | -$4 | -0.20% | |
| Fmr Llc | 0.00% | 400 | $2,044 | $2,040 | -$4 | -0.20% | |
| Royal Bank Of Canada | 0.00% | 473 | $2,000 | $2,412 | +$412 | +20.61% | |
| Tower Research Capital Llc (Trc) | 0.00% | 227 | $1,160 | $1,158 | -$2 | -0.20% |
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.