MILLBROOK, NY
GLOBAL SELF STORAGE, INC.SELF— Latest position per institution from SEC 13F filings
15
Institutional holders
3.57M
Total shares held
18.45M
Estimated value
178.44K
Avg. position size
WINMILL & CO. INC
CIK 52234
Shares
586.50K
Value
3.07M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
494.29K
Value
2.52M
Filed
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
434.49K
Value
2.28M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
397.50K
Value
2.08M
Filed
Jun 30, 2026
MARATHON CAPITAL MANAGEMENT
CIK 1213206
Shares
243.57K
Value
1.20M
Filed
Sep 30, 2026
PRIVATE CAPITAL MANAGEMENT, LLC
CIK 1588456
Shares
223.34K
Value
1.17M
Filed
Jun 30, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
198.07K
Value
1.04M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
143.25K
Value
750.80K
Filed
Jun 30, 2026
WELLS FARGO & COMPANY/MN
CIK 72971
Shares
130.92K
Value
686.01K
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
102.33K
Value
497.32K
Filed
Jun 30, 2024
MORGAN STANLEY
CIK 895421
Shares
77.80K
Value
407.69K
Filed
Jun 30, 2026
LAFFER TENGLER INVESTMENTS, INC.
CIK 1307878
Shares
72.59K
Value
387.63K
Filed
Jun 30, 2025
BURGUNDY ASSET MANAGEMENT LTD.
CIK 1315868
Shares
70.74K
Value
327.88K
Filed
Dec 31, 2023
KESTRA ADVISORY SERVICES, LLC
CIK 1830819
Shares
67.17K
Value
351.96K
Filed
Jun 30, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
62.20K
Value
325.93K
Filed
Jun 30, 2026
VANGUARD FIDUCIARY TRUST CO
CIK 933478
Shares
60.69K
Value
318.01K
Filed
Jun 30, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
57.90K
Value
303.37K
Filed
Jun 30, 2026
EASTERLY INVESTMENT PARTNERS LLC
CIK 1766150
Shares
49.06K
Value
250.21K
Filed
Dec 31, 2025
TOWNELEY CAPITAL MANAGEMENT, INC / DE
CIK 2004980
Shares
49.05K
Value
240.82K
Filed
Sep 30, 2026
STANSBERRY ASSET MANAGEMENT, LLC
CIK 1725910
Shares
47.39K
Value
241.68K
Filed
Dec 31, 2025
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | WINMILL & CO. INC | 52234 | 586.50K | 3.07M | Jun 30, 2026 |
| 2 | VANGUARD GROUP INC | 102909 | 494.29K | 2.52M | Dec 31, 2025 |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 434.49K | 2.28M | Jun 30, 2026 |
| 4 | BLACKROCK, INC. | 2012383 | 397.50K | 2.08M | Jun 30, 2026 |
| 5 | MARATHON CAPITAL MANAGEMENT | 1213206 | 243.57K | 1.20M | Sep 30, 2026 |
| 6 | PRIVATE CAPITAL MANAGEMENT, LLC | 1588456 | 223.34K | 1.17M | Jun 30, 2026 |
| 7 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 198.07K | 1.04M | Jun 30, 2026 |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 143.25K | 750.80K | Jun 30, 2026 |
| 9 | WELLS FARGO & COMPANY/MN | 72971 | 130.92K | 686.01K | Jun 30, 2026 |
| 10 | BLACKROCK FINANCE, INC. | 1364742 | 102.33K | 497.32K | Jun 30, 2024 |
| 11 | MORGAN STANLEY | 895421 | 77.80K | 407.69K | Jun 30, 2026 |
| 12 | LAFFER TENGLER INVESTMENTS, INC. | 1307878 | 72.59K | 387.63K | Jun 30, 2025 |
| 13 | BURGUNDY ASSET MANAGEMENT LTD. | 1315868 | 70.74K | 327.88K | Dec 31, 2023 |
| 14 | KESTRA ADVISORY SERVICES, LLC | 1830819 | 67.17K | 351.96K | Jun 30, 2026 |
| 15 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 62.20K | 325.93K | Jun 30, 2026 |
| 16 | VANGUARD FIDUCIARY TRUST CO | 933478 | 60.69K | 318.01K | Jun 30, 2026 |
| 17 | DIMENSIONAL FUND ADVISORS LP | 354204 | 57.90K | 303.37K | Jun 30, 2026 |
| 18 | EASTERLY INVESTMENT PARTNERS LLC | 1766150 | 49.06K | 250.21K | Dec 31, 2025 |
| 19 | TOWNELEY CAPITAL MANAGEMENT, INC / DE | 2004980 | 49.05K | 240.82K | Sep 30, 2026 |
| 20 | STANSBERRY ASSET MANAGEMENT, LLC | 1725910 | 47.39K | 241.68K | Dec 31, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.