Security Snapshot

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

CUSIP: 443787205

13F Institutional Holders and Ownership History from Q2 2019 to Q3 2026

13F reference period

Q2 2026

Institutions Reporting

26

Shares (Excl. Options)

955.35KFull value: 955,345 · shares · 30 Jun 2026

Price

$10.66

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.

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Security type / class
Equity / Common Stock
Symbol
STRR on Nasdaq
All holders as of 30 Jun 2026
Q2 2026
Total 13F shares
955,345
Latest holder snapshot 5 signals
Total 13F value
$10,183,631
Portfolio coverage rank
0%
Share change
+2,979
Value change
+$31,806
Number of holders
26
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
3,676,035
SEC-reported price per share
$9.79
Insider filing price
$9.79
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • STRR - Star Equity Holdings, Inc. - Common Stock is tracked under CUSIP 443787205.
  • 26 institutions reported positions in Q2 2026.
  • 5 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 25 to 26 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from
    $9.57MFull value: $9,569,768 · USD · 31 Mar 2026
    to
    $10.18MFull value: $10,183,631 · USD · 30 Jun 2026
    .

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 26 institutions filings for Q2 2026.

Open SEC evidence

Security key

443787205

13F reference period

Q2 2026

13F holders

26

13D/G owners

5

CIK / CUSIP context first

Open Q2 2026 holders STRR full holder history Star Equity Holdings, Inc. SEC filings Star Equity Holdings, Inc. company facts Star Equity Holdings, Inc. insider transactions Star Equity Holdings, Inc. 13D/G history

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
5
Security
STRR
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Eberwein Jeffrey E. 31% +4% $10,975,710 +$425,815 1,149,289 +4% JEFFREY E. EBERWEIN 25 Jun 2026
Mink Brook Partners LP 8.6% -6.7% $3,082,513 +$16,430 316,139 +0.54% Mink Brook Capital GP LLC 30 Sep 2026
HEARTLAND ADVISORS INC 4.9% $1,451,670 170,584 HEARTLAND ADVISORS INC 25 Aug 2025
VANGUARD GROUP INC 4.2% $1,718,178 149,018 The Vanguard Group 30 Sep 2025
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 0.34% -94% $101,797 -$2,404,907 11,920 -96% Hotchkis and Wiley Capital Management, LLC 30 Sep 2025
As of 30 Jun 2026, 26 institutional investors reported holding
955.35KFull value: 955,345 · shares · 30 Jun 2026
shares of Star Equity Holdings, Inc. - Common Stock (STRR). This represents 26% of the company’s total
3.68MFull value: 3,676,035 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
26%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Mink Brook Asset Management LLC 8.6% 316,139 0% 1.5% $3,370,042
VANGUARD CAPITAL MANAGEMENT LLC 3.7% 134,567 -0.09% 0% $1,434,484
Cable Car Capital, LP 2.8% 104,543 +4.5% 0.02% $1,114,428
RENAISSANCE TECHNOLOGIES LLC 2.2% 80,426 -0.62% 0% $857,341
BlackRock, Inc. 1.7% 61,416 +15% 0% $654,695
North Star Investment Management Corp. 1.5% 55,000 0% 0.03% $586,300
DIMENSIONAL FUND ADVISORS LP 1.1% 41,861 0% 0% $446,280
GEODE CAPITAL MANAGEMENT, LLC 0.84% 30,835 +26% 0% $328,802
RBF Capital, LLC 0.76% 28,112 0% 0.01% $299,674
Axxion S.A. 0.64% 23,542 0% 0.02% $250,958
VANGUARD FIDUCIARY TRUST CO 0.49% 18,007 +0.66% 0% $191,955
Manatuck Hill Partners, LLC 0.34% 12,636 -52% 0.04% $134,700
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 0.32% 11,920 0% 0% $127,067
GatePass Capital, LLC 0.3% 11,200 0.05% $119,392
Rothschild Wealth LLC 0.29% 10,800 -4.4% 0.01% $115,128
BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.27% 10,019 -59% 0% $106,803
SBI Securities Co., Ltd. 0.03% 1,258 +136% 0% $13,410
Vanguard Global Advisers, LLC 0.03% 1,056 0% 0% $11,257
US BANCORP \DE\ 0.03% 1,003 0% $10,692
UBS Group AG 0.01% 524 +52300% 0% $5,586
Tower Research Capital LLC (TRC) 0.01% 321 -2.1% 0% $3,422
ROYAL BANK OF CANADA 0% 140 0% 0% $1,000
BARCLAYS PLC 0% 12 0% $128
MORGAN STANLEY 0% 6 0% 0% $65
CITIGROUP INC 0% 1 0% 0% $11

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
30
Headline period
Q2 2026
Rows shown
1-25 of 30
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 79,075 $773,182 -$7,069 $9.75 3
2026 Q2 955,345 $10,183,631 +$31,806 $10.66 26
2026 Q1 930,944 $9,569,768 -$178,936 $10.28 25
2025 Q4 1,011,221 $11,376,683 +$78,486 $11.25 23
2025 Q3 1,006,915 $11,168,886 -$3,636,324 $11.12 23
2025 Q2 1,333,959 $11,352,029 -$706,155 $8.51 22
2025 Q1 1,416,250 $15,111,478 -$289,997 $10.67 20
2024 Q4 1,439,624 $18,787,204 +$50,334 $13.05 24
2024 Q3 1,174,723 $18,819,200 +$284,030 $16.02 21
2024 Q2 1,156,983 $19,217,487 -$719,541 $16.61 23
2024 Q1 1,199,390 $21,168,814 -$1,960,056 $17.65 26
2023 Q4 1,327,005 $20,588,229 +$243,671 $15.49 28
2023 Q3 1,354,483 $25,817,450 -$689,358 $18.85 27
2023 Q2 1,377,247 $30,051,677 -$452,456 $21.53 27
2023 Q1 1,398,010 $31,153,625 -$358,290 $22.27 28
2022 Q4 1,411,642 $31,943,660 -$1,885,816 $22.63 26
2022 Q3 1,463,438 $49,200,000 -$1,350,835 $33.62 23
2022 Q2 1,506,995 $47,319,128 -$766,488 $31.40 28
2022 Q1 1,531,118 $62,264,000 +$959,701 $40.67 22
2021 Q4 1,507,594 $43,597,000 +$3,475,818 $28.99 19
2021 Q3 1,389,917 $22,114,000 +$794,291 $15.91 16
2021 Q2 1,339,795 $23,574,000 -$558,973 $17.65 17
2021 Q1 1,372,029 $22,777,000 +$384,984 $16.60 17
2020 Q4 1,348,851 $14,164,000 -$141,704 $10.50 15
2020 Q3 1,310,104 $12,660,000 -$207,422 $9.67 14
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