STRR
Star Equity Holdings, Inc.
$10.99
+0.26 (+2.42%)
At close · Jul 2
Market Cap
$40.62M
Shares
3,695,890
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 25
Total Value: $9,570,090
Total Shares: 930,944
Institutional Ownership Trend
25 quarters
Holder Concentration
Across 25 13F filers · Δ vs Dec 31, 2025Top Holder
34.0%
+2.9 pts
Top 5
73.8%
+6.6 pts
Top 10
92.5%
+2.6 pts
HHI
1,679
Moderately concentrated+203
Quarterly Activity
vs Dec 31, 2025
New
7
Increased
4
Decreased
7
Sold Out
5
Unchanged
7
Holder count:
+2
Institutional value:
-15.9%
Shares held:
-7.9%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Small Cable Car Capital, LP | +42,752 | 100,042 | |
| Large RENAISSANCE TECHNOLOGIES LLC | +2,200 | 80,926 | |
| Small Mink Brook Asset Management LLC | +1,685 | 316,139 | |
| Mega MORGAN STANLEY | +1 | 6 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Small Rothschild Wealth LLC | −55,000 | 11,300 | |
| Mega DIMENSIONAL FUND ADVISORS LP | −14,022 | 41,861 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | −6,854 | 24,384 | |
| Small Manatuck Hill Partners, LLC | −5,300 | 26,500 | |
| Mega UBS Group AG | −120 | 1 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 134,685 | $1,384,561 | |
| Mid North Star Investment Management Corp. | 55,000 | $565,400 | |
| Mega VANGUARD FIDUCIARY TRUST CO | 17,889 | $183,898 | |
| Large CWM, LLC | 2,120 | $21,793 | |
| Mega Vanguard Global Advisers, LLC | 1,056 | $10,855 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD GROUP INC | 153,630 | $1,728,337 | |
| Micro Perritt Capital Management Inc | 66,300 | $745,875 | |
| Mid DRW Securities, LLC | 23,860 | $268,425 | |
| Mid HEARTLAND ADVISORS INC | 12,461 | $140,186 | |
| Mega BANK OF AMERICA CORP /DE/ | 28 | $315 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Small Mink Brook Asset Management LLC | $3,249,908 | 33.96% | 316,139 | Shares | Sole | 2026-04-01 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $1,384,561 | 14.47% | 134,685 | Shares | Defined | 2026-05-15 | ||||
| Small Cable Car Capital, LP | $1,028,431 | 10.75% | 100,042 | Shares | Sole | 2026-05-15 | ||||
| Large RENAISSANCE TECHNOLOGIES LLC | $831,919 | 8.69% | 80,926 | Shares | Sole | 2026-05-14 | ||||
| Mid North Star Investment Management Corp. | $565,400 | 5.91% | 55,000 | Shares | Sole | 2026-04-23 | ||||
| Mega BlackRock, Inc. | $548,993 | 5.74% | 53,404 | Shares | Sole | 2026-05-13 | ||||
| Mega DIMENSIONAL FUND ADVISORS LP | $430,329 | 4.50% | 41,861 | Shares | Sole | 2026-05-07 | ||||
| Mid RBF Capital, LLC | $288,991 | 3.02% | 28,112 | Shares | Sole | 2026-05-18 | ||||
| Small Manatuck Hill Partners, LLC | $272,420 | 2.85% | 26,500 | Shares | Sole | 2026-05-15 | ||||
| Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC | $252,014 | 2.63% | 24,515 | Shares | Sole | 2026-05-15 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $250,666 | 2.62% | 24,384 | Shares | Defined | 2026-05-15 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $183,898 | 1.92% | 17,889 | Shares | Defined | 2026-05-08 | ||||
| Large HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | $122,537 | 1.28% | 11,920 | Shares | Sole | 2026-05-15 | ||||
| Small Rothschild Wealth LLC | $116,164 | 1.21% | 11,300 | Shares | Sole | 2026-05-06 | ||||
| Large CWM, LLC | $21,793 | 0.23% | 2,120 | Shares | Sole | 2026-05-14 | ||||
| Mega Vanguard Global Advisers, LLC | $10,855 | 0.11% | 1,056 | Shares | Defined | 2026-05-08 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $5,479 | 0.06% | 533 | Shares | Defined | 2026-04-28 | ||||
| Mid Tower Research Capital LLC (TRC) | $3,371 | 0.04% | 328 | Shares | Defined | 2026-05-15 | ||||
| Mega ROYAL BANK OF CANADA Bank | $1,439 | 0.02% | 140 | Shares | Defined | 2026-05-15 | ||||
| Large FEDERATED HERMES, INC. | $801 | 0.01% | 78 | Shares | Defined | 2026-05-11 | ||||
| Mega MORGAN STANLEY | $61 | 0.00% | 6 | Shares | Defined | 2026-05-15 | ||||
| Large NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $30 | 0.00% | 3 | Shares | Defined | 2026-05-07 | ||||
| Mid WHITTIER TRUST CO OF NEVADA INC Bank | $10 | 0.00% | 1 | Shares | Sole | 2026-04-28 | ||||
| Mega CITIGROUP INC | $10 | 0.00% | 1 | Shares | Defined | 2026-05-11 | ||||
| Mega UBS Group AG | $10 | 0.00% | 1 | Shares | Defined | 2026-05-05 | ||||
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