Security key
37955N106
Global Self Storage, Inc. - Common Stock, $0.01 par value per share (SELF)
CUSIP: 37955N106
Q2 2026 13F Holders as of 30 Jun 2026
- Security type / class
- Equity / Common Stock, $0.01 par value per share
- Total 13F shares
- 529,411
- Total 13F value
- $2,774,113
- Share change
- +8,036
- SEC-reported price per share
- $5.24
- Number of holders
- 10
- Value change
- +$42,108
- Number of buys
- 6
- Number of sells
- 1
- Shares outstanding
- 11,282,563
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
10
Top holders
10
SELF full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q1 2026
Global Self Storage, Inc. SEC filings
Global Self Storage, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 37955N106
Recent filing periods:
Ownership snapshot
Top reported holders of SELF - Global Self Storage, Inc. - Common Stock, $0.01 par value per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Mark Campbell Winmill
Disclosed value leader
Mark Campbell Winmill
Comparable rows
15/15
Latest evidence
12 May 2026
13D/G
3/4/5
13F
Lead comparable stake: 8.4%
13D/G row: Mark Campbell Winmill
Showing 1-6 of 15 holder rows.
Quick read
Mark Campbell Winmill leads the comparable SEC ownership view at 8.4%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Mark Campbell Winmill's linked filing trail.
Comparable ownership
Top 5
Mark Campbell Winmill
8.4%
BARD ASSOCIATES INC
2.9%
TUXIS CORP
2.7%
WINMILL & CO. INC
1.3%
Donald Klimoski II
0.86%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Mark Campbell Winmill |
13D/G
3/4/5
President and CEO, Director
|
8.4%
|
$4,605,994
947,735 shares
|
+$601,950 | 03 Dec 2025 |
| BARD ASSOCIATES INC |
13D/G
13F
Company
|
2.9%
|
$1,661,560
330,330 shares
|
$0 | 13 Aug 2025 |
| TUXIS CORP |
3/4/5
Other*
|
2.7%
|
$1,587,074
303,758 shares
|
— | 15 May 2025 |
| WINMILL & CO. INC |
13F
3/4/5
Company · Other*
|
1.3%
from 3/4/5
|
$2,997,015
586,500 shares
|
— | 31 Mar 2026 |
| Donald Klimoski II |
3/4/5
General Counsel
|
0.86%
|
$497,525
97,554 shares
|
+$2,252 | 24 Mar 2026 |
| Thomas OMalley |
3/4/5
Chief Financial Officer
|
0.81%
|
$467,639
91,694 shares
|
— | 24 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
10
Shares
529,411
Rows available
10
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
54
Q2 2026 holders
10
Holder diff
-44
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend