STRR · Star Equity Holdings, Inc. · Shareholders & Ownership

$10.00 +0.11 (+1.11%) At close · Oct 27 Q2 2026 earnings call transcript

Market Cap

$37.60M

3.69M

Volume · Oct 27 15.37K Avg daily vol (3M) 5805

Every disclosed holder of STRR 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 STRR

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)	26	954,620	25.87%	Yes
Insiders (Forms 3, 4, 5)	12	1,104,925	29.95%	Yes
13D/G-only blocks	2	485,038	13.15%	Yes
Remaining	—	1,144,820	31.03%	Rest
Registered funds (N-PORT, not summed)	18	291,178	7.89%	No

Shares outstanding: 3,689,403, 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 STRR

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	Eberwein Jeffrey E. Insider CIK 1548312 · Oct 22, 2026 Director, Chief Executive Officer, 10% Owner, issuer-wide	750,096	20.33%	-840	Oct 22, 2026	Director, Chief Executive Officer, 10% Owner, issuer-wide
1.1	JEFFREY E. EBERWEIN 13D CIK 1548312 · Holding company · Jun 25, 2026 Item 4 purpose: Other not summed	1,149,289	31.15%	+44,588	Jun 25, 2026	not summed
2	Mink Brook Asset Management LLC 13F CIK 2052205 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	316,139	8.57%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
3	Mink Brook Asset Management LLC 13G CIK 1774802 · Unknown · Sep 30, 2025 Rule 13d-1(c), passive investor	314,454	8.52%	+39,958	Sep 30, 2025	Rule 13d-1(c), passive investor
4	Zabkowicz Jacob Insider CIK 1995211 · Mar 31, 2026 CEO Hudson Talent SolutionsLLC, issuer-wide	180,863	4.90%	+150	Mar 31, 2026	CEO Hudson Talent SolutionsLLC, issuer-wide
5	HEARTLAND ADVISORS INC 13G CIK 937394 · Registered investment adviser · Aug 25, 2025 Rule 13d-1(d), exempt investor	170,584	4.62%	-130,882	Aug 25, 2025	Rule 13d-1(d), exempt investor
6	VANGUARD CAPITAL MANAGEMENT LLC 13F CIK 2100119 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	134,567	3.65%	-118	Jun 30, 2026	carried, not yet filed for the newest quarter
7	VANGUARD TOTAL STOCK MARKET INDEX FUND Fund S000002848 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	105,380	2.86%	0	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
8	Cable Car Capital, LP 13F CIK 1699575 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	104,543	2.83%	+4,501	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	80,426	2.18%	-500	Jun 30, 2026	carried, not yet filed for the newest quarter
10	BlackRock, Inc. 13F CIK 2012383 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	61,416	1.66%	+8,012	Jun 30, 2026	carried, not yet filed for the newest quarter
10.1	iShares Micro-Cap ETF Fund S000004439 · Registered fund · Jun 30, 2026 iShares Trust, not summed	7,538	0.20%	—	Jun 30, 2026	iShares Trust, not summed
11	North Star Investment Management Corp. 13F CIK 1342857 · Investment adviser · Sep 30, 2026	55,000	1.49%	0	Sep 30, 2026
12	North Star Micro Cap Fund Fund S000040440 · Registered fund · May 31, 2026 NORTHERN LIGHTS FUND TRUST II, not summed	55,000	1.49%	0	May 31, 2026	NORTHERN LIGHTS FUND TRUST II, not summed
13	Drake Mimi K Insider CIK 1767481 · Jun 5, 2026 Director, issuer-wide	44,834	1.22%	+1,000	Jun 5, 2026	Director, issuer-wide
14	DIMENSIONAL FUND ADVISORS LP 13F CIK 354204 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	41,861	1.13%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
14.1	U.S. CORE EQUITY 2 PORTFOLIO Fund S000000980 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	16,688	0.45%	0	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
14.2	U.S. CORE EQUITY 1 PORTFOLIO Fund S000000979 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	9,838	0.27%	0	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
14.3	U.S. VECTOR EQUITY PORTFOLIO Fund S000000982 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	4,041	0.11%	0	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
14.4	U.S. MICRO CAP PORTFOLIO Fund S000000948 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	1,355	0.04%	-1,014	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
15	Nelson Connia M Insider CIK 1767555 · May 27, 2026 Director, issuer-wide	40,854	1.11%	+5,504	May 27, 2026	Director, issuer-wide
16	GEODE CAPITAL MANAGEMENT, LLC 13F CIK 1214717 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	30,835	0.84%	+6,451	Jun 30, 2026	carried, not yet filed for the newest quarter
17	Pearse Robert G. Insider CIK 1580399 · Jun 5, 2026 Director, issuer-wide	29,218	0.79%	+500	Jun 5, 2026	Director, issuer-wide
18	VANGUARD EXTENDED MARKET INDEX FUND Fund S000002841 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	29,187	0.79%	-118	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
19	RBF Capital, LLC 13F CIK 1134621 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	28,112	0.76%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
20	Jacob Discovery Fund Fund S000038991 · Registered fund · Aug 31, 2026 Jacob Funds Inc., not summed	27,304	0.74%	-11,931	Aug 31, 2026	Jacob Funds Inc., not summed
21	Axxion S.A. 13F CIK 2030181 · Unknown · Sep 30, 2026	23,542	0.64%	0	Sep 30, 2026
22	Diamond Matthew K Insider CIK 1779155 · May 29, 2026 Chief Accounting Officer, issuer-wide	20,175	0.55%	-763	May 29, 2026	Chief Accounting Officer, issuer-wide
23	Coleman Richard Kenneth Jr. Insider CIK 1556224 · Jul 27, 2026 Chief Operating Officer, issuer-wide	20,161	0.55%	+11,684	Jul 27, 2026	Chief Operating Officer, issuer-wide
24	VANGUARD FIDUCIARY TRUST CO 13F CIK 933478 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	18,007	0.49%	+118	Jun 30, 2026	carried, not yet filed for the newest quarter
25	Fidelity Extended Market Index Fund Fund S000006021 · Registered fund · Aug 31, 2026 Fidelity Concord Street Trust, not summed	14,178	0.38%	+6,936	Aug 31, 2026	Fidelity Concord Street Trust, not summed
26	Manatuck Hill Partners, LLC 13F CIK 1467902 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	12,636	0.34%	-13,864	Jun 30, 2026	carried, not yet filed for the newest quarter
27	HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 13F CIK 1164833 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	11,920	0.32%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
28	GatePass Capital, LLC 13F CIK 2087399 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	11,200	0.30%	+11,200	Jun 30, 2026	carried, not yet filed for the newest quarter
29	Rothschild Wealth LLC 13F CIK 1811345 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	10,800	0.29%	-500	Jun 30, 2026	carried, not yet filed for the newest quarter
30	BRIDGEWAY CAPITAL MANAGEMENT, LLC 13F CIK 1107261 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	10,019	0.27%	-14,496	Jun 30, 2026	carried, not yet filed for the newest quarter
30.1	Ultra-Small Company Market Fund Fund S000004424 · Registered fund · Jun 30, 2026 Bridgeway Funds, Inc., not summed	8,397	0.23%	-5,000	Jun 30, 2026	Bridgeway Funds, Inc., not summed
30.2	Ultra-Small Company Fund Fund S000004423 · Registered fund · Jun 30, 2026 Bridgeway Funds, Inc., not summed	1,462	0.04%	-9,496	Jun 30, 2026	Bridgeway Funds, Inc., not summed
31	Miles Shawn Spain Insider CIK 1742046 · Jul 27, 2026 Executive Vice President, issuer-wide	7,782	0.21%	-117	Jul 27, 2026	Executive Vice President, issuer-wide
32	Fruhbeis Todd Michael Insider CIK 2029470 · Aug 18, 2026 Director, issuer-wide	5,946	0.16%	-14,232	Aug 18, 2026	Director, issuer-wide
33	Fidelity Series Total Market Index Fund Fund S000065248 · Registered fund · Aug 31, 2026 Fidelity Concord Street Trust, not summed	4,349	0.12%	0	Aug 31, 2026	Fidelity Concord Street Trust, not summed
34	Fidelity Total Market Index Fund Fund S000006026 · Registered fund · Aug 31, 2026 Fidelity Concord Street Trust, not summed	3,714	0.10%	0	Aug 31, 2026	Fidelity Concord Street Trust, not summed
35	Bible Hannah M. Insider CIK 1607210 · Jul 27, 2026 Chief Legal Officer, issuer-wide	3,106	0.08%	+265	Jul 27, 2026	Chief Legal Officer, issuer-wide
36	Fidelity Nasdaq Composite Index Fund Fund S000055366 · Registered fund · Aug 31, 2026 Fidelity Concord Street Trust, not summed	1,765	0.05%	-598	Aug 31, 2026	Fidelity Concord Street Trust, not summed
37	Vanguard Global Advisers, LLC 13F CIK 1811242 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,056	0.03%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
38	US BANCORP \DE\ 13F CIK 36104 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	1,003	0.03%	+1,003	Jun 30, 2026	carried, not yet filed for the newest quarter
39	Parks Louis A. Insider CIK 2029214 · Aug 18, 2026 Director, issuer-wide	970	0.03%	-14,843	Aug 18, 2026	Director, issuer-wide
40	Palmer Jennifer Insider CIK 2029196 · Aug 18, 2026 Director, issuer-wide	920	0.02%	+234	Aug 18, 2026	Director, issuer-wide
41	SBI Securities Co., Ltd. 13F CIK 1851815 · Non-US institution · Sep 30, 2026	533	0.01%	-725	Sep 30, 2026
42	UBS Group AG 13F CIK 1610520 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	524	0.01%	+523	Jun 30, 2026	carried, not yet filed for the newest quarter
43	1290 VT Micro Cap Portfolio Fund S000044688 · Registered fund · Jun 30, 2026 EQ Advisors Trust, not summed	468	0.01%	—	Jun 30, 2026	EQ Advisors Trust, not summed
44	JNL/DFA U.S. Small Cap Fund Fund S000068110 · Registered fund · Jun 30, 2026 JNL Series Trust, not summed	454	0.01%	0	Jun 30, 2026	JNL Series Trust, not summed
45	Tower Research Capital LLC (TRC) 13F CIK 1533421 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	321	0.01%	-7	Jun 30, 2026	carried, not yet filed for the newest quarter
46	ROYAL BANK OF CANADA 13F CIK 1000275 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	140	0.00%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
47	JNL/DFA U.S. Core Equity Fund Fund S000001765 · Registered fund · Jun 30, 2026 JNL Series Trust, not summed	60	0.00%	0	Jun 30, 2026	JNL Series Trust, not summed
48	BARCLAYS PLC 13F CIK 312069 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	12	0.00%	+12	Jun 30, 2026	carried, not yet filed for the newest quarter
49	MORGAN STANLEY 13F CIK 895421 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	6	0.00%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
50	CITIGROUP INC 13F CIK 831001 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	1	0.00%	0	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 51 holders

Create a free account to page through every holder, filter by source and group by ultimate parent.

Key facts CIK 1210708 CUSIP 443787205 13F (30d) 3 filings 3 filers Visit website Investor relations