Latest Period
Q1 2026
Security Snapshot
Star Equity Holdings, Inc. - Common Stock, par value $0.001 per share (STRR) Institutional Ownership
CUSIP: 443787205
13F Institutional Holders and Ownership History from Q2 2019 to Q1 2026
Institutions Reporting
25
Shares (Excl. Options)
930,944
Price
$10.28
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- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Symbol
- STRR on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 930,944
- Total 13F value
- $9,569,768
- Portfolio coverage rank
- 0%
- Share change
- -13,977
- Value change
- -$178,936
- Number of holders
- 25
- Shares outstanding
- 3,744,749
- SEC-reported price per share
- $10.28
- Insider filing price
- $10.28
Latest holder snapshot
5 signals
Issuer context
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- STRR - Star Equity Holdings, Inc. - Common Stock, par value $0.001 per share is tracked under CUSIP 443787205.
- 25 institutions reported positions in Q1 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 23 to 25 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $11,376,683 to $9,569,768.
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
Open SEC Evidence
Latest holder context comes from 25 institutions filings for Q1 2026.
Security key
443787205
Latest holder period
Q1 2026
13F holders
25
13D/G owners
5
CIK / CUSIP context first
Open Q1 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
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 443787205:
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. | 30% | +4.3% | $11,356,326 | +$423,485 | 1,104,701 | +3.9% | JEFFREY E. EBERWEIN | 28 May 2026 |
| Mink Brook Partners LP | 9.2% | -8% | $3,496,728 | +$444,333 | 314,454 | +15% | Mink Brook Capital GP LLC | 30 Sep 2025 |
| 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 31 Mar 2026, 25 institutional investors reported holding 930,944 shares of Star Equity Holdings, Inc. - Common Stock, par value $0.001 per share (STRR). This represents 25% of the company’s total 3,744,749 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
25%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Mink Brook Asset Management LLC | 8.4% | 316,139 | +0.54% | 1.8% | $3,249,909 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.6% | 134,685 | 0% | 0% | $1,384,562 |
| Cable Car Capital, LP | 2.7% | 100,042 | +75% | 0.36% | $1,028,432 |
| RENAISSANCE TECHNOLOGIES LLC | 2.2% | 80,926 | +2.8% | 0% | $831,919 |
| North Star Investment Management Corp. | 1.5% | 55,000 | 0.03% | $565,400 | |
| BlackRock, Inc. | 1.4% | 53,404 | 0% | 0% | $548,993 |
| DIMENSIONAL FUND ADVISORS LP | 1.1% | 41,861 | -25% | 0% | $430,341 |
| RBF Capital, LLC | 0.75% | 28,112 | 0% | 0.01% | $288,991 |
| Manatuck Hill Partners, LLC | 0.71% | 26,500 | -17% | 0.09% | $272,420 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.65% | 24,515 | 0% | 0.01% | $252,014 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.65% | 24,384 | -22% | 0% | $250,759 |
| VANGUARD FIDUCIARY TRUST CO | 0.48% | 17,889 | 0% | 0% | $183,899 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 0.32% | 11,920 | 0% | 0% | $122,538 |
| Rothschild Wealth LLC | 0.3% | 11,300 | -83% | 0.01% | $116,164 |
| CWM, LLC | 0.06% | 2,120 | 0% | $21,794 | |
| Vanguard Global Advisers, LLC | 0.03% | 1,056 | 0% | 0% | $10,856 |
| SBI Securities Co., Ltd. | 0.01% | 533 | 0% | 0% | $5,479 |
| Tower Research Capital LLC (TRC) | 0.01% | 328 | -21% | 0% | $3,372 |
| ROYAL BANK OF CANADA | 0% | 140 | 0% | 0% | $1,000 |
| FEDERATED HERMES, INC. | 0% | 78 | -7.1% | 0% | $802 |
| MORGAN STANLEY | 0% | 6 | +20% | 0% | $63 |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 0% | 3 | 0% | $31 | |
| CITIGROUP INC | 0% | 1 | 0% | $10 | |
| WHITTIER TRUST CO OF NEVADA INC | 0% | 1 | 0% | 0% | $10 |
| UBS Group AG | 0% | 1 | -99% | 0% | $10 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
28
Latest
Q1 2026
Rows shown
1-25 of 28
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 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 |
| 2020 Q2 | 1,333,234 | $11,704,000 | -$445,955 | $8.79 | 17 |
| 2020 Q1 | 1,414,025 | $12,090,000 | -$3,269,090 | $8.55 | 17 |