Latest Period
Q4 2025
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
23
Shares (Excl. Options)
1,011,221
Price
$11.25
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- Type / Class
- Equity / Common Stock, par value $0.001 per share
- Symbol
- STRR on Nasdaq
- Shares outstanding
- 3,757,972
- Price per share
- $10.28
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 1,011,221
- Total reported value
- $11,376,683
- % of total 13F portfolios
- 0%
- Share change
- +4,306
- Value change
- +$78,486
- Number of holders
- 23
- Price from insider filings
- $10.28
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- STRR - Star Equity Holdings, Inc. - Common Stock, par value $0.001 per share is tracked under CUSIP 443787205.
- 23 institutions reported positions in Q4 2025.
- 5 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 23 to 11 between Q4 2025 and Q1 2026.
- Reported value moved from $11,376,683 to $5,946,661.
Why This Matters
- 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.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 23 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 443787205?
CUSIP 443787205 identifies STRR - Star Equity Holdings, Inc. - Common Stock, par value $0.001 per share in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 443787205:
Significant Owners of Star Equity Holdings, Inc. - Common Stock, par value $0.001 per share (STRR) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Eberwein Jeffrey E. | 28% | +4.4% | $10,507,439 | +$300,718 | 1,063,506 | +2.9% | JEFFREY E. EBERWEIN | 19 Mar 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 Dec 2025, 23 institutional investors reported holding 1,011,221 shares of Star Equity Holdings, Inc. - Common Stock, par value $0.001 per share (STRR). This represents 27% of the company’s total 3,757,972 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of Star Equity Holdings, Inc. - Common Stock, par value $0.001 per share (STRR) together control 27% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Mink Brook Asset Management LLC | 8.4% | 314,454 | 0% | 2.2% | $3,537,608 |
| VANGUARD GROUP INC | 4.1% | 153,630 | +3.1% | 0% | $1,728,337 |
| RENAISSANCE TECHNOLOGIES LLC | 2.1% | 78,726 | -7.4% | 0% | $885,668 |
| Perritt Capital Management Inc | 1.8% | 66,300 | 0% | 1.2% | $745,875 |
| Rothschild Wealth LLC | 1.8% | 66,300 | 0.07% | $745,875 | |
| Cable Car Capital, LP | 1.5% | 57,290 | 0.04% | $644,513 | |
| DIMENSIONAL FUND ADVISORS LP | 1.5% | 55,883 | -18% | 0% | $628,610 |
| BlackRock, Inc. | 1.4% | 53,404 | 0% | 0% | $600,795 |
| Manatuck Hill Partners, LLC | 0.85% | 31,800 | -25% | 0.13% | $357,750 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.83% | 31,238 | +0.78% | 0% | $351,523 |
| RBF Capital, LLC | 0.75% | 28,112 | 0% | 0.01% | $316,260 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.65% | 24,515 | 0% | 0.01% | $275,794 |
| DRW Securities, LLC | 0.63% | 23,860 | 0.02% | $268,425 | |
| HEARTLAND ADVISORS INC | 0.33% | 12,461 | -88% | 0.01% | $140,186 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 0.32% | 11,920 | 0% | 0% | $134,100 |
| SBI Securities Co., Ltd. | 0.01% | 533 | 0% | 0% | $5,996 |
| Tower Research Capital LLC (TRC) | 0.01% | 416 | -22% | 0% | $4,680 |
| ROYAL BANK OF CANADA | 0% | 140 | -77% | 0% | $2,000 |
| UBS Group AG | 0% | 121 | +12000% | 0% | $1,361 |
| FEDERATED HERMES, INC. | 0% | 84 | -11% | 0% | $945 |
| BANK OF AMERICA CORP /DE/ | 0% | 28 | +3.7% | 0% | $315 |
| MORGAN STANLEY | 0% | 5 | 0% | 0% | $56 |
| WHITTIER TRUST CO OF NEVADA INC | 0% | 1 | 0% | 0% | $11 |
| Hollow Brook Wealth Management LLC | 0% | 0 | -100% | $0 | |
| OSAIC HOLDINGS, INC. | 0% | 0 | -100% | $0 |
Institutional Holders of Star Equity Holdings, Inc. - Common Stock, par value $0.001 per share (STRR) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 578,468 | $5,946,661 | -$268,182 | $10.28 | 11 |
| 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 |
| 2019 Q4 | 1,689,141 | $20,184,000 | +$143,965 | $11.95 | 20 |
| 2019 Q3 | 1,677,019 | $20,549,000 | +$10,632 | $12.25 | 19 |
| 2019 Q2 | 1,680,861 | $20,926,000 | +$20,926,000 | $12.45 | 17 |