SELF · Global Self Storage, Inc. · Shareholders & Ownership

$4.92 +0.07 (+1.40%)

Market Cap

$55.39M

11.42M

Volume · Oct 23 560 Avg daily vol (3M) 32.42K

Every disclosed holder of SELF in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

How the holder list picks a filing →

Who Owns SELF

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

Holder group	Holders	Shares	% Out	Summed
Institutional (13F)	51	3,350,534	29.34%	Yes
Insiders (Forms 3, 4, 5)	6	257,247	2.25%	Yes
13D/G-only blocks	0	0	0.00%	Yes
Remaining	—	7,813,639	68.41%	Rest
Registered funds (N-PORT, not summed)	15	732,373	6.41%	No

Shares outstanding: 11,421,420, the issuer's latest cover-page count restated onto today's split basis.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of SELF

One row per holder Every filing By ultimate parent

All 13F Funds Insiders 13D/G Non-US

#	Holder	Shares	% Out	Change	As of	Notes
1	VANGUARD CAPITAL MANAGEMENT LLC 13F CIK 2100119 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	434,491	3.80%	+4,488	Jun 30, 2026	carried, not yet filed for the newest quarter
2	BlackRock, Inc. 13F CIK 2012383 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	397,495	3.48%	+102,855	Jun 30, 2026	carried, not yet filed for the newest quarter
2.1	iShares Micro-Cap ETF Fund S000004439 · Registered fund · Jun 30, 2026 iShares Trust, not summed	37,448	0.33%	+10,677	Jun 30, 2026	iShares Trust, not summed
3	WINMILL MARK CAMPBELL Insider CIK 1019264 · Sep 10, 2026 Director, President and CEO, issuer-wide, not summed	372,582	3.26%	+4,000	Sep 10, 2026	Director, President and CEO, issuer-wide, not summed
3.1	Mark Campbell Winmill 13D CIK 1019264 · Unknown · Dec 3, 2025 not summed	947,735	8.30%	+123,858	Dec 3, 2025	not summed
4	VANGUARD TOTAL STOCK MARKET INDEX FUND Fund S000002848 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	312,824	2.74%	0	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
5	TUXIS CORP Insider CIK 736952 · May 16, 2025 Insider, issuer-wide, not summed	303,758	2.66%	+19,280	May 16, 2025	Insider, issuer-wide, not summed
6	MARATHON CAPITAL MANAGEMENT 13F CIK 1213206 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	260,784	2.28%	+1,157	Jun 30, 2026	carried, not yet filed for the newest quarter
7	WINMILL & CO. INC Insider CIK 52234 · Aug 26, 2026 Insider, issuer-wide, not summed	228,512	2.00%	+15,308	Aug 26, 2026	Insider, issuer-wide, not summed
7.1	WINMILL & CO. INC 13F CIK 52234 · Investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	586,500	5.14%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
8	Private Capital Management, LLC 13F CIK 1588456 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	223,337	1.96%	+119,788	Jun 30, 2026	carried, not yet filed for the newest quarter
9	RENAISSANCE TECHNOLOGIES LLC 13F CIK 1037389 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	198,075	1.73%	-18,100	Jun 30, 2026	carried, not yet filed for the newest quarter
10	GEODE CAPITAL MANAGEMENT, LLC 13F CIK 1214717 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	143,249	1.25%	-1,013	Jun 30, 2026	carried, not yet filed for the newest quarter
11	WELLS FARGO & COMPANY/MN 13F CIK 72971 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	130,918	1.15%	-1	Jun 30, 2026	carried, not yet filed for the newest quarter
12	VANGUARD EXTENDED MARKET INDEX FUND Fund S000002841 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	116,721	1.02%	-458	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
13	Klimoski Donald II Insider CIK 1716808 · Mar 24, 2026 Assistant General Counsel, issuer-wide	97,554	0.85%	+11,054	Mar 24, 2026	Assistant General Counsel, issuer-wide
14	OMalley Thomas Insider CIK 1330281 · Mar 24, 2026 Chief Financial Officer, issuer-wide	91,694	0.80%	+11,054	Mar 24, 2026	Chief Financial Officer, issuer-wide
15	MORGAN STANLEY 13F CIK 895421 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	77,803	0.68%	+4,689	Jun 30, 2026	carried, not yet filed for the newest quarter
16	Kestra Advisory Services, LLC 13F CIK 1830819 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	67,167	0.59%	+4,047	Jun 30, 2026	carried, not yet filed for the newest quarter
17	VANGUARD FIDUCIARY TRUST CO 13F CIK 933478 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	60,689	0.53%	+458	Jun 30, 2026	carried, not yet filed for the newest quarter
18	DIMENSIONAL FUND ADVISORS LP 13F CIK 354204 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	57,896	0.51%	-3,233	Jun 30, 2026	carried, not yet filed for the newest quarter
18.1	DFA REAL ESTATE SECURITIES PORTFOLIO Fund S000000949 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	43,975	0.39%	0	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
18.2	Dimensional US Real Estate ETF Fund S000075150 · Registered fund · Jul 31, 2026 Dimensional ETF Trust, not summed	4,668	0.04%	0	Jul 31, 2026	Dimensional ETF Trust, not summed
19	Towneley Capital Management, Inc / DE 13F CIK 2004980 · Unknown · Sep 30, 2026	49,047	0.43%	0	Sep 30, 2026
20	RAYMOND JAMES FINANCIAL INC 13F CIK 720005 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	46,029	0.40%	+5,091	Jun 30, 2026	carried, not yet filed for the newest quarter
21	BURKE RUSSELL E III Insider CIK 1127962 · Aug 13, 2026 Director, issuer-wide	40,002	0.35%	+1,625	Aug 13, 2026	Director, issuer-wide
22	COMMONWEALTH REAL ESTATE SECURITIES FUND Fund S000004494 · Registered fund · Jul 31, 2026 Commonwealth International Series Trust, not summed	39,000	0.34%	0	Jul 31, 2026	Commonwealth International Series Trust, not summed
23	Baker Ellis Asset Management LLC 13F CIK 1365559 · Registered investment adviser · Sep 30, 2026	38,000	0.33%	+1,000	Sep 30, 2026
24	GOLDMAN SACHS GROUP INC 13F CIK 886982 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	36,271	0.32%	+9,730	Jun 30, 2026	carried, not yet filed for the newest quarter
25	PFG Investments, LLC 13F CIK 1973224 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	35,511	0.31%	+109	Jun 30, 2026	carried, not yet filed for the newest quarter
26	WealthTrust Axiom LLC 13F CIK 1425949 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	32,000	0.28%	+1,000	Jun 30, 2026	carried, not yet filed for the newest quarter
27	STATE STREET CORP 13F CIK 93751 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	31,580	0.28%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
28	AlphaCentric Advisors LLC 13F CIK 1913464 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	30,000	0.26%	-5,271	Jun 30, 2026	carried, not yet filed for the newest quarter
28.1	AlphaCentric Real Income Fund Fund S000071674 · Registered fund · Jun 30, 2026 MUTUAL FUND SERIES TRUST, not summed	30,000	0.26%	-5,271	Jun 30, 2026	MUTUAL FUND SERIES TRUST, not summed
29	Crossingbridge Advisors, LLC 13F CIK 1770024 · Investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	30,000	0.26%	-5,271	Jun 30, 2026	carried, not yet filed for the newest quarter
30	Cetera Investment Advisers 13F CIK 1666741 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	28,452	0.25%	-14,983	Jun 30, 2026	carried, not yet filed for the newest quarter
31	LPL Financial LLC 13F CIK 1403438 · Broker-dealer · Jun 30, 2026 carried, not yet filed for the newest quarter	28,172	0.25%	+203	Jun 30, 2026	carried, not yet filed for the newest quarter
32	CITADEL ADVISORS LLC 13F CIK 1423053 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	27,614	0.24%	+27,614	Jun 30, 2026	carried, not yet filed for the newest quarter
33	Man Group plc 13F CIK 1637460 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	26,730	0.23%	+1,771	Jun 30, 2026	carried, not yet filed for the newest quarter
34	NORTHERN TRUST CORP 13F CIK 73124 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	25,435	0.22%	+53	Jun 30, 2026	carried, not yet filed for the newest quarter
35	JAMES INVESTMENT RESEARCH, INC. 13F CIK 810384 · Registered investment adviser · Sep 30, 2026	24,100	0.21%	0	Sep 30, 2026
36	NewEdge Advisors, LLC 13F CIK 1633516 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	24,100	0.21%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
37	Merit Financial Group, LLC 13F CIK 1621225 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	23,297	0.20%	+5,322	Jun 30, 2026	carried, not yet filed for the newest quarter
38	UBS Group AG 13F CIK 1610520 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	23,244	0.20%	+674	Jun 30, 2026	carried, not yet filed for the newest quarter
39	PRICE T ROWE ASSOCIATES INC /MD/ 13F CIK 80255 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	19,971	0.17%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
39.1	T. Rowe Price Extended Equity Market Index Fund Fund S000002090 · Registered fund · Jun 30, 2026 T. ROWE PRICE INDEX TRUST, INC., not summed	19,971	0.17%	0	Jun 30, 2026	T. ROWE PRICE INDEX TRUST, INC., not summed
40	Ethos Financial Group, LLC 13F CIK 1954242 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	19,175	0.17%	-2,635	Jun 30, 2026	carried, not yet filed for the newest quarter
41	Zachary William Chester Insider CIK 1667715 · Aug 11, 2026 Director, issuer-wide	18,296	0.16%	+196	Aug 11, 2026	Director, issuer-wide
42	HSBC HOLDINGS PLC 13F CIK 873630 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	17,271	0.15%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
43	O'SHAUGHNESSY ASSET MANAGEMENT, LLC 13F CIK 1423442 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	17,096	0.15%	+1,376	Jun 30, 2026	carried, not yet filed for the newest quarter
44	BARD ASSOCIATES INC 13F CIK 1105907 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	15,651	0.14%	-1,004	Jun 30, 2026	carried, not yet filed for the newest quarter
45	JPMORGAN CHASE & CO 13F CIK 19617 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	13,477	0.12%	+5,866	Jun 30, 2026	carried, not yet filed for the newest quarter
46	RITHOLTZ WEALTH MANAGEMENT 13F CIK 1698218 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	11,985	0.10%	+1,078	Jun 30, 2026	carried, not yet filed for the newest quarter
47	BARCLAYS PLC 13F CIK 312069 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	10,578	0.09%	+49	Jun 30, 2026	carried, not yet filed for the newest quarter
48	Financial Gravity Companies, Inc. 13F CIK 1377167 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	6,425	0.06%	—	Jun 30, 2026	carried, not yet filed for the newest quarter
49	Kamerman Russell Insider CIK 1628873 · Mar 24, 2026 Assistant General Counsel, issuer-wide	5,925	0.05%	+500	Mar 24, 2026	Assistant General Counsel, issuer-wide
50	OSAIC HOLDINGS, INC. 13F CIK 1677044 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	5,725	0.05%	+39	Jun 30, 2026	carried, not yet filed for the newest quarter

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 65 holders

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Key facts CIK 1031235 CUSIP 37955N106 13F (30d) 3 filings 3 filers Visit website Investor relations