Star Equity Holdings, Inc. - Common Stock (STRR)

CUSIP: 443787205

Q3 2025 13F Holders as of 30 Sep 2025

Security type / class
Equity / Common Stock
Total 13F shares
1,006,915
Total 13F value
$11,168,886
Holder snapshot 6 signals
Share change
-327,044
SEC-reported price per share
$11.12
Number of holders
23
Value change
-$3,636,324
Number of buys
11
Number of sells
8
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
3,676,035

Security key

443787205

Report period

Q3 2025

Institutions

23

Top holders

10

STRR full security history Ownership snapshot Full 13F holder table Newer quarter: Q4 2025 Star Equity Holdings, Inc. SEC filings Star Equity Holdings, Inc. company facts Star Equity Holdings, Inc. 13D/G history

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of STRR - Star Equity Holdings, Inc. - Common Stock (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
HEARTLAND ADVISORS INC
Disclosed value leader
HOTCHKIS & WILEY CAPITAL ...
Comparable rows
3/15
Latest evidence
30 Sep 2025
13F 13D/G 3/4/5 Lead comparable stake: 4.9% 12 rows are not safely comparable across share classes. 13D/G row: HEARTLAND ADVISORS INC Showing 1-6 of 15 holder rows.

Quick read

HEARTLAND ADVISORS INC leads the comparable SEC ownership view at 4.9%.

3 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 HEARTLAND ADVISORS INC's linked filing trail.
Comparable ownership Top 3
HEARTLAND ADVISORS INC 4.9%
VANGUARD GROUP INC 4.2%
HOTCHKIS & WILEY CAPITAL MANAGEME... 0.34%

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
HEARTLAND ADVISORS INC
13F 13D/G
Company
13F 13D/G
4.9%
Reported 13D/G · 25 Aug 2025
$1,762,370
207,094 shares
 — 30 Jun 2025
VANGUARD GROUP INC
13D/G 13F
The Vanguard Group · Company
13D/G 13F
4.2%
Reported 13D/G · 30 Sep 2025
$1,718,178
149,018 shares
 $0 30 Sep 2025
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC
13F 13D/G
Company · Hotchkis and Wiley Capital Management, LLC
13F 13D/G
0.34%
Reported 13D/G · 30 Sep 2025
$2,497,898
293,525 shares
 — 30 Jun 2025
Mink Brook Asset Management LLC
13F
Company
13F
—
denominator unverified
$2,335,961
274,496 shares
 — 30 Jun 2025
Ian V Nash
3/4/5
Director
3/4/5
—
denominator unverified
$1,026,579
63,213 shares
 — 17 Aug 2023
RENAISSANCE TECHNOLOGIES LLC
13F
Company
13F
—
mixed-class rows
$636,729
83,282 shares
mixed-class rows
 — 30 Jun 2025
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 Q3 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
23
Shares
1,006,915
Rows available
23
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 Q3 2025 vs Q2 2026 Across Filers

Q2 2026 holders
26
Q3 2025 holders
23
Holder diff
-3
Investor Q2 2026 Shares Q3 2025 Shares Share Diff Share Chg % Q2 2026 value Q3 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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