Star Equity Holdings, Inc. (STRR) Ownership
STRR ownership summary
as of October 18, 2026- Institutions
- 29.2% of shares outstanding
- Insiders
- 39.33% of shares outstanding
- Shares outstanding
- 3.7M
- Float
- 2.1M shares available to trade
- Short interest
- 0.22% 5,553 shares short
- Days to cover
- 1.52 short interest down 23.2% vs prior month
- Institutions 29.20%
- Insiders 39.33%
- Other investors 31.47%
STRR top institutional holders
3 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Susquehanna International Group, LLP | 0.00% | — | — | −15,067 (−100.0%) | September 30, 2025 |
| 2 | PNC Financial Services Group Inc | 0.00% | — | — | −4 (−100.0%) | September 30, 2025 |
| 3 | Citadel Advisors Llc | 0.00% | — | — | −23,582 (−100.0%) | September 30, 2025 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 3, 0 holders added 0 shares and 3 cut 39K.
STRR top mutual fund and ETF holders
8 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard Institutional Extnd Mkt Idx Tr | 0.40% | 13K | $125,725 | −5,839 (−31.3%) | July 31, 2025 |
| 2 | Fidelity Extended Market Index | 0.35% | 11K | $112,177 | −81 (−0.7%) | July 31, 2025 |
| 3 | Fidelity Series Total Market Index | 0.08% | 2,548 | $24,996 | — | July 31, 2025 |
| 4 | Fidelity Nasdaq Composite Index | 0.06% | 1,955 | $19,179 | — | July 31, 2025 |
| 5 | Spartan Total Market Index Pool G | 0.02% | 541 | $5,307 | — | July 31, 2025 |
| 6 | State St US Extended Mkt Indx NL Cl C | <0.01% | 119 | $1,167 | — | July 31, 2025 |
| 7 | Spartan Extended Market Index Pool F | <0.01% | 81 | $795 | +81 (0.0%) | July 31, 2025 |
| 8 | Fidelity U.S. Equity Index Ins Trust | <0.01% | 19 | $186 | — | July 31, 2025 |
Funds report holdings monthly or quarterly; dates differ by fund.
STRR insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-31 | Jacob Zabkowicz | Buy | $10.61 | 150 | $1,592 |
| 2026-03-30 | Jeffrey E Eberwein | Sell | $9.95 | 7,722 | $76,834 |
| 2026-03-27 | Jeffrey E Eberwein | Sell | $9.98 | 7,354 | $73,393 |
| 2026-03-27 | Louis A Parks | Buy | $10.01 | 1,500 | $15,015 |
| 2026-03-27 | Todd Michael Fruhbeis | Buy | $10.12 | 800 | $8,096 |
| 2026-03-26 | Jeffrey E Eberwein | Sell | $9.83 | 424 | $4,168 |
| 2026-03-25 | Jeffrey E Eberwein | Sell | $9.95 | 7,500 | $74,625 |
| 2026-03-25 | Richard Kenneth Jr. Coleman | Buy | $9.95 | 977 | $9,721 |
| 2026-03-25 | Todd Michael Fruhbeis | Buy | $9.78 | 800 | $7,824 |
| 2025-12-31 | Jeffrey E Eberwein | Buy | $11.09 | 1,977 | $21,925 |
| 2025-12-30 | Jeffrey E Eberwein | Buy | $11.26 | 5,291 | $59,577 |
| 2025-12-30 | Jeffrey E Eberwein | Sell | $9.12 | 4,365 | $39,809 |
| 2025-12-29 | Jeffrey E Eberwein | Buy | $11.25 | 9,709 | $109,226 |
| 2025-12-29 | Jeffrey E Eberwein | Sell | $9.25 | 2,635 | $24,374 |
| 2025-12-24 | Jeffrey E Eberwein | Sell | $9.35 | 16,000 | $149,600 |
| 2025-11-19 | Jeffrey E Eberwein | Buy | $10.38 | 2,312 | $23,999 |
| 2025-11-18 | Jeffrey E Eberwein | Buy | $10.42 | 10,217 | $106,461 |
| 2025-11-17 | Jeffrey E Eberwein | Buy | $10.16 | 8,265 | $83,972 |
| 2025-09-30 | Jeffrey E Eberwein | Buy | $11.20 | 2,600 | $29,120 |
| 2025-09-29 | Jeffrey E Eberwein | Buy | $11.31 | 5,000 | $56,550 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
STRR shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns STRR
Institutional investors own 29.2% of Star Equity's shares and insiders 39.33%. The largest holder is Susquehanna International Group, LLP with 0.00% of the shares (0), as of September 30, 2025. Among the top 3 institutions, 0 added shares and 3 reduced their stake in the latest filings. Short interest is 0.22% of the float, or 1.52 days of average trading volume. The share count rose 86.7% since 2014.
Related: STRR analyst forecast, STRR key metrics. See the STRR stock overview for the latest quote and news.
STRR ownership FAQ
Who owns the most Star Equity stock?
The largest shareholders of Star Equity are Susquehanna International Group, LLP (0.00%), PNC Financial Services Group Inc (0.00%), Citadel Advisors Llc (0.00%).
What percentage of Star Equity is owned by institutions?
Institutions hold 29.2% of Star Equity's shares outstanding; insiders hold 39.33%.
Which funds own Star Equity?
The largest fund holders of Star Equity are Vanguard Institutional Extnd Mkt Idx Tr (0.40%), Fidelity Extended Market Index (0.35%), Fidelity Series Total Market Index (0.08%), Fidelity Nasdaq Composite Index (0.06%), Spartan Total Market Index Pool G (0.02%).
What is Star Equity's short interest?
5,553 shares of Star Equity were sold short, 0.22% of the float; at the average daily volume it would take 1.52 days to cover.
Are insiders buying or selling Star Equity?
Of the latest 20 reported insider transactions in Star Equity (since September 29, 2025), 13 were purchases and 7 were sales.
How many shares of Star Equity are outstanding?
Star Equity has 3.7M shares outstanding, of which 2.1M are in the public float.