DOSSIER · 13F Holders · Q2 2026
SELF

GLOBAL SELF STORAGE INC

53 institutions still hold GLOBAL SELF STORAGE INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 37955N106·53 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$16M
visible holders
Holders
53
filers reporting
Concentration
19.76%
WINMILL & CO. INC #1
top holder share
AI Holders Summary · Q2 2026

53 institutions reported SELF in Q2 2026. WINMILL & CO. INC leads at 19.8% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
WINMILL & CO. INC
CIK 0000052234
$3M587K0.68%Q2 2026
02
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$2M434K0.00%Q2 2026
03
BlackRock, Inc.
CIK 0002012383
$2M397K0.00%Q2 2026
04
MARATHON CAPITAL MANAGEMENT
CIK 0001213206
$1M261K0.28%Q2 2026
05
Private Capital Management, LLC
CIK 0001588456
$1M223K0.10%Q2 2026
06
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$1M198K0.00%Q2 2026
07
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$751K143K0.00%Q2 2026
08
WELLS FARGO & COMPANY/MN
CIK 0000072971
$686K131K0.00%Q2 2026
09
MORGAN STANLEY
CIK 0000895421
$408K78K0.00%Q2 2026
10
Kestra Advisory Services, LLC
CIK 0001830819
$352K67K0.00%Q2 2026
11
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$326K62K0.00%Q2 2026
12
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$318K61K0.00%Q2 2026
13
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$303K58K0.00%Q2 2026
14
Towneley Capital Management, Inc / DE
CIK 0002004980
$257K49K0.05%Q2 2026
15
RAYMOND JAMES FINANCIAL INC
CIK 0000720005
$241K46K0.00%Q2 2026
16
Baker Ellis Asset Management LLC
CIK 0001365559
$194K37K0.02%Q2 2026
17
GOLDMAN SACHS GROUP INC
CIK 0000886982
$190K36K0.00%Q2 2026
18
PFG Investments, LLC
CIK 0001973224
$186K36K0.01%Q2 2026
19
WealthTrust Axiom LLC
CIK 0001425949
$168K32K0.04%Q2 2026
20
STATE STREET CORP
CIK 0000093751
$165K32K0.00%Q2 2026
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Insiders at GLOBAL SELF STORAGE INC
Winmill & Co. IncBurke Russell E IiiZachary William ChesterWinmill Mark CampbellKlimoski Donald IiCarroll Sally Coonrad