Star Equity Holdings, Inc. (STRR) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

293,280Shares held by institutions

$3,050,112Value of institutional holdings

66.02%Institutional ownership %

32.78%Shares Changed QoQ

35No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Star Equity Holdings, Inc. (NASDAQ:STRR) has 23 institutional investors that have filed 13F reports for the period ending December 2025.

Their combined ownership stood at 31.9% of outstanding shares in December 2025, up from 30.9% in September 2025.
They increased total shares held in STRR by 5.6% quarter over quarter, and investors in Star Equity Holdings decreased 43.9% from a year ago.
Activity in STRR broke down as 7 buyers, 8 sellers, and 8 unchanged among 23 total holders.
Combined, these investors held 1.04Mn shares in STRR for December 2025, up by 55.11K shares quarter on quarter, and down 538.8K shares year over year.
As of December 31, 2025, the biggest holder of Star Equity Holdings is Mink Brook Asset Management LLC at 314.45K shares, representing 9.64% of shares outstanding.
The largest buyers of Star Equity Holdings for the quarter ending December 2025 were Rothschild Wealth LLC (66.3K), Cable Car Capital, LP (57.29K), RBF Capital, LLC (28.11K), DRW Securities, LLC (23.86K), VANGUARD GROUP INC (4.61K).
The largest sales of STRR for the quarter ending December 2025 came from HEARTLAND ADVISORS INC (95.21K), DIMENSIONAL FUND ADVISORS LP (12.5K), Manatuck Hill Partners, LLC (10.8K), RENAISSANCE TECHNOLOGIES LLC (6.3K), Royal Bank Of Canada (458).
Per Business Quant data, the top 10 holders of Star Equity Holdings for the quarter ending December 2025 are Mink Brook Asset Management LLC (314.45K), VANGUARD GROUP INC (153.63K), RENAISSANCE TECHNOLOGIES LLC (78.73K), PERRITT CAPITAL MANAGEMENT INC (66.3K), Rothschild Wealth LLC (66.3K), Cable Car Capital, LP (57.29K), RBF Capital, LLC (56.22K), DIMENSIONAL FUND ADVISORS LP (55.88K), BlackRock, Inc. (53.4K), Manatuck Hill Partners, LLC (31.8K).

23 Institutional Holders

293,280 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	0	0.00%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	4,612	3.09%	$0.00
Mink Brook Asset Management LLC	31 Dec, 2025	0	0.00%	$0.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	-6,300	-7.41%	$0.00
Rothschild Wealth LLC	31 Dec, 2025	66,300	0.00%	$0.00
PERRITT CAPITAL MANAGEMENT INC	31 Dec, 2025	0	0.00%	$0.00
Cable Car Capital, LP	31 Dec, 2025	57,290	0.00%	$0.00
RBF Capital, LLC	31 Dec, 2025	28,112	100.00%	$0.00
SBI Securities Co., Ltd.	31 Dec, 2025	0	0.00%	$0.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	-12,501	-18.28%	$0.00
UBS Group AG	31 Dec, 2025	120	12,000.00%	$0.00
Manatuck Hill Partners, LLC	31 Dec, 2025	-10,800	-25.35%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	243	0.78%	$0.00
BRIDGEWAY CAPITAL MANAGEMENT, LLC	31 Dec, 2025	0	0.00%	$0.00
DRW Securities, LLC	31 Dec, 2025	23,860	0.00%	$0.00
HEARTLAND ADVISORS INC	31 Dec, 2025	-95,212	-88.43%	$0.00
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	31 Dec, 2025	0	0.00%	$0.00
Tower Research Capital LLC (TRC)	31 Dec, 2025	-118	-22.10%	$0.00
Royal Bank Of Canada	31 Dec, 2025	-458	-76.59%	$0.00
Federated Hermes, Inc.	31 Dec, 2025	-10	-10.64%	$0.00

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