Star Equity Holdings, Inc. - Common Stock, par value $0.001 per share (STRR)

CUSIP: 443787205

Q4 2025 13F Holders as of 31 Dec 2025

Type / Class
Equity / Common Stock, par value $0.001 per share
Shares outstanding
3,757,972
Total 13F shares
1,011,221
Share change
+4,306
Total reported value
$11,376,683
Price per share
$11.25
Number of holders
23
Value change
+$78,486
Number of buys
7
Number of sells
10

Quarterly Holders Quick Answers

What is CUSIP 443787205?
CUSIP 443787205 identifies STRR - Star Equity Holdings, Inc. - Common Stock, par value $0.001 per share in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Top shareholders of STRR - Star Equity Holdings, Inc. - Common Stock, par value $0.001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
Mink Brook Partners LP
13D/G
Mink Brook Capital GP LLC
9.2%
314,454
$3,496,728 +$444,333 30 Sep 2025
Mink Brook Asset Management LLC
13F
Company
8.4%
314,454
$3,496,728 30 Sep 2025
13F
VANGUARD GROUP INC
13D/G 13F
The Vanguard Group · Company
4.2%
149,018
$1,718,178 $0 30 Sep 2025
HEARTLAND ADVISORS INC
13D/G 13F
Company
4.9%
170,584
$1,451,670 $0 25 Aug 2025
Ian V Nash
3/4/5
Director
class O/S missing
63,213
$1,026,579 17 Aug 2023
RENAISSANCE TECHNOLOGIES LLC
13F
Company
2.3%
85,026
$945,489 30 Sep 2025
13F
DIMENSIONAL FUND ADVISORS LP
13F
Company
1.8%
68,384
$760,436 30 Sep 2025
13F
PERRITT CAPITAL MANAGEMENT INC
13F
Company
1.8%
66,300
$737,256 30 Sep 2025
13F
BlackRock, Inc.
13F
Company
1.4%
53,404
$593,852 30 Sep 2025
13F
Manatuck Hill Partners, LLC
13F
Company
1.1%
42,600
$473,712 30 Sep 2025
13F
Mimi K. Drake
3/4/5
Director
class O/S missing
38,330
$359,152 15 Sep 2025
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
0.82%
30,995
$344,763 30 Sep 2025
13F
Connia M. Nelson
3/4/5
Director
class O/S missing
35,350
$331,229 15 Sep 2025
RBF Capital, LLC
13F
Company
0.75%
28,112
$312,605 30 Sep 2025
13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC
13F
Company
0.65%
24,515
$272,607 30 Sep 2025
13F
Robert G. Pearse
3/4/5
Director
0.62%
23,214
$197,551 09 Sep 2025
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC
13F 13D/G
Company · Hotchkis and Wiley Capital Management, LLC
0.34%
from 13D/G
11,920
$132,550 30 Sep 2025
Hollow Brook Wealth Management LLC
13F
Company
0.29%
11,085
$123,265 30 Sep 2025
13F
STEEL GROVE CAPITAL ADVISORS, LLC
13F
Company
0.29%
10,916
$92,895 30 Sep 2025
13F
OSAIC HOLDINGS, INC.
13F
Company
0.02%
720
$8,035 30 Sep 2025
13F
ROYAL BANK OF CANADA
13F
Company
0.02%
598
$7,000 30 Sep 2025
13F
Tower Research Capital LLC (TRC)
13F
Company
0.01%
534
$5,938 30 Sep 2025
13F
SBI Securities Co., Ltd.
13F
Company
0.01%
533
$5,927 30 Sep 2025
13F
FEDERATED HERMES, INC.
13F
Company
0%
94
$1,045 30 Sep 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0%
27
$300 30 Sep 2025
13F
MORGAN STANLEY
13F
Company
0%
5
$56 30 Sep 2025
13F
WHITTIER TRUST CO OF NEVADA INC
13F
Company
0%
1
$12 30 Sep 2025
13F
UBS Group AG
13F
Company
0%
1
$11 30 Sep 2025
13F

Institutional Holders of Star Equity Holdings, Inc. - Common Stock, par value $0.001 per share (STRR) as of Q4 2025

As of 31 Dec 2025, Star Equity Holdings, Inc. - Common Stock, par value $0.001 per share (STRR) was held by 23 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 1,011,221 shares. The largest 10 holders included Mink Brook Asset Management LLC, VANGUARD GROUP INC, RENAISSANCE TECHNOLOGIES LLC, Perritt Capital Management Inc, Rothschild Wealth LLC, Cable Car Capital, LP, DIMENSIONAL FUND ADVISORS LP, BlackRock, Inc., Manatuck Hill Partners, LLC, and GEODE CAPITAL MANAGEMENT, LLC. This page lists 23 institutional shareholders reporting positions in this security for the Q4 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
23
Q4 2025 holders
23
Holder diff
0
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 Value $ Q4 2025 Value $ Value Diff $ Value Chg %

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

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .