Star Equity Holdings, Inc.
Star Equity Holdings, Inc. (STRR) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · STRR · as of Mar 31, 2024
Ownership Breakdown
17
Institutional Holders
▼ 2 vs Q4
$527,395
Total Inst. Value
▼ $112,641 vs Q4
3.70M
Shares Outstanding
freeFloat 58.57%
594,297
13F Shares Held
▼ 24,370 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
STRR largest shareholders · institutional ownership
Q1 2024 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC electromedical & electrotherapeutic apparatus | 147.0K | 92.86% | 92.86% | $130.42M | May 10, 2024 | — held |
RENAISSANCE TECHNOLOGIES LLC electromedical & electrotherapeutic apparatus | 133.1K | 84.10% | 84.10% | $118.00M | May 13, 2024 | ▼ 20.1K |
GEODE CAPITAL MANAGEMENT, LLC electromedical & electrotherapeutic apparatus | 87.6K | 55.38% | 55.38% | $77.81M | May 13, 2024 | — held |
BRIDGEWAY CAPITAL MANAGEMENT, LLC electromedical & electrotherapeutic apparatus | 78.4K | 49.53% | 49.53% | $69.57M | May 15, 2024 | — held |
SUSQUEHANNA INTERNATIONAL GROUP, LLP electromedical & electrotherapeutic apparatus | 38.9K | 24.61% | 24.61% | $34.56M | May 7, 2024 | NEW |
CITADEL ADVISORS LLC electromedical & electrotherapeutic apparatus | 38.3K | 24.17% | 24.17% | $33.95M | May 15, 2024 | ▼ 6.5K |
ADVISOR GROUP HOLDINGS, INC. electromedical & electrotherapeutic apparatus | 19.4K | 12.26% | 12.26% | $17.27M | May 10, 2024 | ▲ 1.8K |
NORTHERN TRUST CORP electromedical & electrotherapeutic apparatus | 16.5K | 10.45% | 10.45% | $14.68M | May 14, 2024 | — held |
MARINER, LLC electromedical & electrotherapeutic apparatus | 12.0K | 7.58% | 7.58% | $10.65M | May 15, 2024 | NEW |
TWO SIGMA INVESTMENTS, LP electromedical & electrotherapeutic apparatus | 11.5K | 7.26% | 7.26% | $10.20M | May 15, 2024 | ▼ 800 |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2024 vs prior quarter
Q1 2024
3
Increased
+1.8K shares2
New Positions
first time holders5
Decreased
−32.9K shares4
Sold Out
fully exitedNet shares change (top 50)
31.1K
+1.8K / −32.9K
Net new holders
-4
2 new / 4 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
STRR insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
28
Buy transactions
5
Sell transactions
5.60
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Eberwein Jeffrey E. Chief Executive Officer | Jun 4, 2026 | Purchase | 1,430 | $11.51 | $16.5K | 1.09M | Form 4 ↗ |
Eberwein Jeffrey E. Chief Executive Officer | Jun 3, 2026 | Purchase | 101 | $11.51 | $1.2K | 1.09M | Form 4 ↗ |
Eberwein Jeffrey E. Chief Executive Officer | Jun 2, 2026 | Purchase | 4,881 | $11.61 | $56.7K | 1.09M | Form 4 ↗ |
Fruhbeis Todd Michael director | Jun 1, 2026 | Purchase | 700 | $11.72 | $8.2K | 19.7K | Form 4 ↗ |
Parks Louis A. director | May 29, 2026 | Purchase | 1,000 | $11.60 | $11.6K | 15.8K | Form 4 ↗ |
Eberwein Jeffrey E. Chief Executive Officer | Jun 1, 2026 | Purchase | 1,482 | $11.59 | $17.2K | 1.08M | Form 4 ↗ |
Eberwein Jeffrey E. Chief Executive Officer | May 29, 2026 | Purchase | 3,663 | $11.61 | $42.5K | 1.08M | Form 4 ↗ |
Eberwein Jeffrey E. Chief Executive Officer | May 28, 2026 | Purchase | 11,201 | $11.81 | $132.3K | 1.08M | Form 4 ↗ |
Eberwein Jeffrey E. Chief Executive Officer | May 28, 2026 | Purchase | 310 | $11.69 | $3.6K | 810 | Form 4 ↗ |
Diamond Matthew K Chief Accounting Officer | May 29, 2026 | Tax Withhold | 763 | $11.62 | $8.9K | 20.2K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Star Equity Holdings, Inc. (STRR) is primarily owned by institutional investors, who hold approximately 16.1% of total shares outstanding. Company insiders own approximately 41.43%, while retail and public investors account for the remaining 42.49%.
The largest institutional shareholder of Star Equity Holdings, Inc. is VANGUARD GROUP INC, holding approximately 146,953 shares — equal to 92.86% of outstanding shares — as of March 31, 2024.
A total of 17 institutional investors currently hold STRR stock, with a combined institutional value of approximately $527,395 as of the most recent 13F filing period.
Frequently asked questions
STRR ownershipStar Equity Holdings, Inc. (STRR) is primarily owned by institutional investors, who hold approximately 16.1% of shares. The largest shareholder is VANGUARD GROUP INC with a 92.86% stake. Company insiders hold 41.43%. Data sourced from SEC Form 13F as of March 31, 2024.