MILLBROOK, NY
GLOBAL SELF STORAGE, INC.SELF— Latest position per institution from SEC 13F filings
15
Institutional holders
4.35M
Total shares held
21.35M
Estimated value
217.70K
Avg. position size
NORTHWEST CAPITAL MANAGEMENT INC
CIK 1730404
Shares
908.73K
Value
4.73M
Filed
Sep 30, 2024
WINMILL & CO. INC
CIK 52234
Shares
586.50K
Value
3M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
494.29K
Value
2.52M
Filed
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
430K
Value
2.20M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
294.64K
Value
1.51M
Filed
Mar 31, 2026
MARATHON CAPITAL MANAGEMENT
CIK 1213206
Shares
259.63K
Value
1.33M
Filed
Mar 31, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
216.18K
Value
1.10M
Filed
Mar 31, 2026
INFORMED MOMENTUM CO LLC
CIK 1510989
Shares
184.66K
Value
1.08K
Filed
Sep 30, 2022
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
144.26K
Value
737.34K
Filed
Mar 31, 2026
WELLS FARGO & COMPANY/MN
CIK 72971
Shares
130.92K
Value
668.99K
Filed
Mar 31, 2026
PRIVATE CAPITAL MANAGEMENT, LLC
CIK 1588456
Shares
103.55K
Value
529.13K
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
102.33K
Value
497.32K
Filed
Jun 30, 2024
MORGAN STANLEY
CIK 895421
Shares
73.11K
Value
373.62K
Filed
Mar 31, 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
63.12K
Value
322.54K
Filed
Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
61.13K
Value
312.37K
Filed
Mar 31, 2026
VANGUARD FIDUCIARY TRUST CO
CIK 933478
Shares
60.23K
Value
307.78K
Filed
Mar 31, 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
48.38K
Value
247.20K
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | NORTHWEST CAPITAL MANAGEMENT INC | 1730404 | 908.73K | 4.73M | Sep 30, 2024 |
| 2 | WINMILL & CO. INC | 52234 | 586.50K | 3M | Mar 31, 2026 |
| 3 | VANGUARD GROUP INC | 102909 | 494.29K | 2.52M | Dec 31, 2025 |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 430K | 2.20M | Mar 31, 2026 |
| 5 | BLACKROCK, INC. | 2012383 | 294.64K | 1.51M | Mar 31, 2026 |
| 6 | MARATHON CAPITAL MANAGEMENT | 1213206 | 259.63K | 1.33M | Mar 31, 2026 |
| 7 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 216.18K | 1.10M | Mar 31, 2026 |
| 8 | INFORMED MOMENTUM CO LLC | 1510989 | 184.66K | 1.08K | Sep 30, 2022 |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 144.26K | 737.34K | Mar 31, 2026 |
| 10 | WELLS FARGO & COMPANY/MN | 72971 | 130.92K | 668.99K | Mar 31, 2026 |
| 11 | PRIVATE CAPITAL MANAGEMENT, LLC | 1588456 | 103.55K | 529.13K | Mar 31, 2026 |
| 12 | BLACKROCK FINANCE, INC. | 1364742 | 102.33K | 497.32K | Jun 30, 2024 |
| 13 | MORGAN STANLEY | 895421 | 73.11K | 373.62K | Mar 31, 2026 |
| 14 | LAFFER TENGLER INVESTMENTS, INC. | 1307878 | 72.59K | 387.63K | Jun 30, 2025 |
| 15 | BURGUNDY ASSET MANAGEMENT LTD. | 1315868 | 70.74K | 327.88K | Dec 31, 2023 |
| 16 | KESTRA ADVISORY SERVICES, LLC | 1830819 | 63.12K | 322.54K | Mar 31, 2026 |
| 17 | DIMENSIONAL FUND ADVISORS LP | 354204 | 61.13K | 312.37K | Mar 31, 2026 |
| 18 | VANGUARD FIDUCIARY TRUST CO | 933478 | 60.23K | 307.78K | Mar 31, 2026 |
| 19 | EASTERLY INVESTMENT PARTNERS LLC | 1766150 | 49.06K | 250.21K | Dec 31, 2025 |
| 20 | TOWNELEY CAPITAL MANAGEMENT, INC / DE | 2004980 | 48.38K | 247.20K | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.