Star Equity Holdings, Inc. (STRR) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

3,115,385Shares Outstanding

471,132Shares held by institutions

$4,711,320Value of institutional holdings

33.36%Institutional ownership %

5.60%Shares Changed QoQ

23No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

According to SEC filings for the period ending December 2025, Star Equity Holdings, Inc. (NASDAQ:STRR) is held by 23 institutional firms.

Institutional ownership in Star Equity Holdings edged up to 33.4% in December 2025, compared to 32.3% in September 2025.
In percentage terms, this reflects as a holdings change of 5.60% quarter on quarter, and a decrease of 11.54% year over year.
The latest 13F cycle for Star Equity Holdings reveals that of 23 total investors, 8 funds grew their exposure, whereas 7 reduced theirs and 8 made no changes.
This class of investors increased its holdings in Star Equity Holdings to 1.04Mn shares for the 13F-cycle ending December 2025, up by 55.14K shares quarter on quarter, and down 400.35K shares year over year.
Mink Brook Asset Management LLC continues to be the largest institutional holder of Star Equity Holdings as of December 31, 2025, with a position of 314.45K shares, representing 10.09% of the company's outstanding stock.
Among the most significant buyers of Star Equity Holdings during December 2025 were Rothschild Wealth LLC (66.30K), Cable Car Capital, LP (57.29K), RBF Capital, LLC (28.11K), DRW Securities, LLC (23.86K), VANGUARD GROUP INC (4.61K).
Leading sellers of Star Equity Holdings stock in December 2025 included HEARTLAND ADVISORS INC (95.21K), DIMENSIONAL FUND ADVISORS LP (12.50K), Manatuck Hill Partners, LLC (10.80K), RENAISSANCE TECHNOLOGIES LLC (6.30K), ROYAL BANK OF CANADA (458).
The top 10 institutional holders of Star Equity Holdings for the quarter ending December 2025 included Mink Brook Asset Management LLC (314.45K), VANGUARD GROUP INC (153.63K), RENAISSANCE TECHNOLOGIES LLC (78.73K), Rothschild Wealth LLC (66.30K), PERRITT CAPITAL MANAGEMENT INC (66.30K), Cable Car Capital, LP (57.29K), RBF Capital, LLC (56.22K), DIMENSIONAL FUND ADVISORS LP (55.88K), BlackRock, Inc. (53.40K), Manatuck Hill Partners, LLC (31.80K).

23 Institutional Holders

471,132 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Mink Brook Asset Management LLC	31 Dec, 2025	314,454	0	0.00%	$3,537,608.00
VANGUARD GROUP INC	31 Dec, 2025	153,630	4,612	3.09%	$1,728,337.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	78,726	-6,300	-7.41%	$885,668.00
Rothschild Wealth LLC	31 Dec, 2025	66,300	66,300	0.00%	$745,875.00
PERRITT CAPITAL MANAGEMENT INC	31 Dec, 2025	66,300	0	0.00%	$745,875.00
Cable Car Capital, LP	31 Dec, 2025	57,290	57,290	0.00%	$644,513.00
RBF Capital, LLC	31 Dec, 2025	56,224	28,112	100.00%	$632,520.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	55,883	-12,501	-18.28%	$628,610.00
BlackRock, Inc.	31 Dec, 2025	53,404	0	0.00%	$600,795.00
Manatuck Hill Partners, LLC	31 Dec, 2025	31,800	-10,800	-25.35%	$357,750.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	31,238	243	0.78%	$351,523.00
BRIDGEWAY CAPITAL MANAGEMENT, LLC	31 Dec, 2025	24,515	0	0.00%	$275,794.00
DRW Securities, LLC	31 Dec, 2025	23,860	23,860	0.00%	$268,425.00
HEARTLAND ADVISORS INC	31 Dec, 2025	12,461	-95,212	-88.43%	$140,186.00
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	31 Dec, 2025	11,920	0	0.00%	$134,100.00
SBI Securities Co., Ltd.	31 Dec, 2025	533	0	0.00%	$5,996.00
Tower Research Capital LLC (TRC)	31 Dec, 2025	416	-118	-22.10%	$4,680.00
ROYAL BANK OF CANADA	31 Dec, 2025	140	-458	-76.59%	$2,000.00
UBS Group AG	31 Dec, 2025	121	120	12,000.00%	$1,361.00
FEDERATED HERMES, INC.	31 Dec, 2025	84	-10	-10.64%	$945.00

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