| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| WINMILL MARK CAMPBELL | 8.4% | +16% | $4,605,994 | +$601,950 | 947,735 | +15% | Mark Campbell Winmill | 03 Dec 2025 |
| BARD ASSOCIATES INC | 2.9% | $1,661,560 | 330,330 | BARD ASSOCIATES INC | 13 Aug 2025 |
As of 30 Sep 2025, 49 institutional investors reported holding 3,036,246 shares of Global Self Storage, Inc. - Common Stock, $0.01 par value per share (SELF). This represents 27% of the company’s total 11,282,563 outstanding shares.
The largest institutional shareholders of Global Self Storage, Inc. - Common Stock, $0.01 par value per share (SELF) together control 26% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| WINMILL & CO. INC | 4.6% | 514,593 | +7.4% | 0.63% | $2,588,403 |
| VANGUARD GROUP INC | 4.6% | 513,735 | 0% | 0% | $2,584,088 |
| BARD ASSOCIATES INC | 3% | 334,045 | -47% | 0.45% | $1,680,247 |
| MARATHON CAPITAL MANAGEMENT | 2.6% | 296,190 | -11% | 0.34% | $1,489,833 |
| RENAISSANCE TECHNOLOGIES LLC | 2% | 225,874 | +10% | 0% | $1,136,146 |
| BlackRock, Inc. | 1.4% | 154,990 | +79% | 0% | $779,600 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.3% | 141,277 | +1.2% | 0% | $710,780 |
| STANSBERRY ASSET MANAGEMENT, LLC | 0.76% | 85,439 | +1.3% | 0.04% | $429,758 |
| Kestra Advisory Services, LLC | 0.65% | 73,873 | +577% | 0% | $371,580 |
| MORGAN STANLEY | 0.62% | 69,615 | +1.6% | 0% | $350,163 |
| DIMENSIONAL FUND ADVISORS LP | 0.54% | 61,131 | +3.4% | 0% | $307,490 |
| Towneley Capital Management, Inc / DE | 0.42% | 47,026 | +1.5% | 0.05% | $236,538 |
| Cetera Investment Advisers | 0.41% | 46,412 | +1.9% | 0% | $233,457 |
| LPL Financial LLC | 0.36% | 40,664 | -61% | 0% | $204,539 |
| CITADEL ADVISORS LLC | 0.35% | 39,149 | 0% | $196,919 | |
| Baker Ellis Asset Management LLC | 0.29% | 33,000 | 0% | 0.02% | $165,990 |
| STATE STREET CORP | 0.28% | 31,580 | 0% | 0% | $158,847 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.28% | 31,577 | 0% | $158,832 | |
| PFG Investments, LLC | 0.28% | 31,352 | +3.7% | 0.01% | $157,700 |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 0.26% | 29,155 | -28% | 0% | $146,650 |
| RAYMOND JAMES FINANCIAL INC | 0.24% | 27,220 | +45% | 0% | $136,917 |
| Ethos Financial Group, LLC | 0.23% | 25,640 | 0% | 0.01% | $128,969 |
| JAMES INVESTMENT RESEARCH, INC. | 0.21% | 24,100 | +54% | 0.01% | $121,223 |
| NewEdge Advisors, LLC | 0.21% | 24,100 | +54% | 0% | $121,223 |
| NORTHERN TRUST CORP | 0.19% | 21,371 | 0% | 0% | $107,496 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 1,468 | $7,487 | -$8,770 | $5.10 | 1 |
| 2025 Q3 | 3,036,246 | $15,274,405 | -$1,261,909 | $5.03 | 49 |
| 2025 Q2 | 3,280,766 | $17,515,037 | -$36,322 | $5.34 | 43 |
| 2025 Q1 | 3,292,765 | $16,596,297 | +$221,390 | $5.04 | 45 |
| 2024 Q4 | 3,298,061 | $17,579,975 | +$183,328 | $5.33 | 43 |
| 2024 Q3 | 3,263,573 | $16,996,215 | +$363,692 | $5.21 | 40 |
| 2024 Q2 | 3,203,472 | $15,569,888 | -$115,576 | $4.86 | 41 |
| 2024 Q1 | 3,235,566 | $14,407,174 | +$212,897 | $4.45 | 42 |
| 2023 Q4 | 3,182,651 | $14,740,409 | -$628,800 | $4.63 | 44 |
| 2023 Q3 | 3,295,659 | $16,019,632 | -$719,552 | $4.86 | 44 |
| 2023 Q2 | 3,239,846 | $17,271,465 | +$758,873 | $5.05 | 43 |
| 2023 Q1 | 3,269,725 | $16,802,583 | -$364,525 | $5.14 | 45 |
| 2022 Q4 | 3,344,329 | $16,317,449 | -$1,456,549 | $4.88 | 45 |
| 2022 Q3 | 3,601,014 | $21,102,248 | +$2,572,193 | $5.86 | 39 |
| 2022 Q2 | 3,168,602 | $17,838,368 | +$3,220,919 | $5.63 | 39 |
| 2022 Q1 | 2,596,498 | $14,539,501 | +$1,281,897 | $5.60 | 33 |
| 2021 Q4 | 2,367,562 | $13,486,000 | +$33,988 | $5.70 | 27 |
| 2021 Q3 | 2,364,259 | $12,142,000 | +$275,800 | $5.15 | 27 |
| 2021 Q2 | 2,310,566 | $12,038,000 | +$375,888 | $5.21 | 27 |
| 2021 Q1 | 2,240,882 | $10,658,000 | +$384,917 | $4.76 | 26 |
| 2020 Q4 | 2,160,674 | $8,664,000 | +$2,622,060 | $4.01 | 27 |
| 2020 Q3 | 1,506,578 | $6,042,000 | +$418,778 | $4.01 | 26 |
| 2020 Q2 | 1,392,728 | $5,375,000 | +$7,444 | $3.85 | 21 |
| 2020 Q1 | 1,393,040 | $4,888,000 | +$23,584 | $3.51 | 25 |
| 2019 Q4 | 1,385,582 | $5,958,000 | +$1,431,849 | $4.30 | 24 |
| 2019 Q3 | 1,062,883 | $5,056,000 | -$545,581 | $4.76 | 24 |
| 2019 Q2 | 1,009,182 | $3,795,000 | -$193,837 | $3.76 | 25 |
| 2019 Q1 | 1,060,991 | $4,093,000 | -$441,657 | $3.86 | 22 |
| 2018 Q4 | 1,504,672 | $5,896,000 | -$325,307 | $3.92 | 24 |
| 2018 Q3 | 1,587,114 | $6,650,000 | -$140,825 | $4.19 | 24 |
| 2018 Q2 | 1,623,176 | $6,734,000 | -$266,826 | $4.14 | 22 |
| 2018 Q1 | 1,687,365 | $7,404,000 | -$300,009 | $4.42 | 22 |
| 2017 Q4 | 1,754,536 | $8,110,000 | -$819,768 | $4.61 | 21 |
| 2017 Q3 | 1,929,978 | $9,286,000 | -$237,161 | $4.83 | 20 |
| 2017 Q2 | 1,978,784 | $9,724,000 | -$186,272 | $4.90 | 19 |
| 2017 Q1 | 2,016,792 | $9,614,000 | -$203,844 | $4.77 | 17 |
| 2016 Q4 | 2,080,110 | $9,922,000 | +$807,432 | $4.77 | 20 |
| 2016 Q3 | 1,910,548 | $10,051,000 | +$114,381 | $5.26 | 21 |
| 2016 Q2 | 1,891,005 | $10,190,000 | +$1,018,465 | $5.39 | 20 |
| 2016 Q1 | 1,701,998 | $8,289,000 | +$8,289,000 | $4.87 | 13 |