Middlefield Banc Corp (MBCN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

8,184,615Shares Outstanding

143,640Shares held by institutions

$5,008,727Value of institutional holdings

28.29%Institutional ownership %

9.97%Shares Changed QoQ

81No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Recent 13F filings as of December 2025 show that 81 institutional investors hold a position in Middlefield Banc Corp (NASDAQ:MBCN).

These investors collectively held 28.3% of the company's total shares outstanding in December 2025, down from 33.9% in September 2025.
In percentage terms, this reflects as a holdings change of 9.97% quarter on quarter, and an increase of 28.57% year over year.
The latest 13F cycle for Middlefield Banc reveals that of 81 total investors, 42 funds grew their exposure, whereas 19 reduced theirs and 20 made no changes.
The total number of shares held by institutions in Middlefield Banc increased to 2.32Mn as of December 2025, a net change of up by 209.88K shares quarter on quarter, and down 384.18K shares year over year.
As of December 31, 2025, BlackRock, Inc. held Middlefield Banc's largest shareholding position with over 464.42K shares, representing 5.67% of total outstanding shares.
Among the most significant buyers of Middlefield Banc during December 2025 were GARDNER LEWIS ASSET MANAGEMENT L P (93.36K), GLAZER CAPITAL, LLC (52.67K), Frazier Financial Advisors, LLC (38.43K), PRELUDE CAPITAL MANAGEMENT, LLC (29.80K), JPMORGAN CHASE & CO (25.50K).
Leading sellers of Middlefield Banc stock in December 2025 included ALLIANCEBERNSTEIN L.P. (92.50K), BlackRock, Inc. (9.15K), NORTHERN TRUST CORP (5.29K), HUNTINGTON NATIONAL BANK (4.98K), Clearstead Advisors, LLC (4.68K).
The top 10 institutional holders of Middlefield Banc for the quarter ending December 2025 included BlackRock, Inc. (464.42K), VANGUARD GROUP INC (411.07K), GEODE CAPITAL MANAGEMENT, LLC (172.20K), STATE STREET CORP (112.45K), ALLIANCEBERNSTEIN L.P. (105.02K), GARDNER LEWIS ASSET MANAGEMENT L P (93.36K), DIMENSIONAL FUND ADVISORS LP (84.40K), GLAZER CAPITAL, LLC (52.67K), BRIDGEWAY CAPITAL MANAGEMENT, LLC (50.77K), NORTHERN TRUST CORP (50.14K).

81 Institutional Holders

143,640 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	464,415	-9,146	-1.93%	$16,040,894.00
VANGUARD GROUP INC	31 Dec, 2025	411,069	-2,669	-0.65%	$14,198,323.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	172,196	1,458	0.85%	$5,948,537.00
STATE STREET CORP	31 Dec, 2025	112,447	8,422	8.10%	$3,883,919.00
ALLIANCEBERNSTEIN L.P.	31 Dec, 2025	105,015	-92,501	-46.83%	$3,627,218.00
GARDNER LEWIS ASSET MANAGEMENT L P	31 Dec, 2025	93,365	93,365	0.00%	$3,224,827.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	84,399	522	0.62%	$2,914,920.00
GLAZER CAPITAL, LLC	31 Dec, 2025	52,666	52,666	0.00%	$1,819.00
BRIDGEWAY CAPITAL MANAGEMENT, LLC	31 Dec, 2025	50,775	353	0.70%	$1,753,769.00
NORTHERN TRUST CORP	31 Dec, 2025	50,143	-5,289	-9.54%	$1,731,939.00
Stratos Investment Management, LLC	31 Dec, 2025	39,404	0	0.00%	$1,361,014.00
Frazier Financial Advisors, LLC	31 Dec, 2025	38,664	38,434	16,710.43%	$1,335,441.00
Clearstead Advisors, LLC	31 Dec, 2025	34,684	-4,684	-11.90%	$1,197,986.00
HUNTINGTON NATIONAL BANK	31 Dec, 2025	33,309	-4,981	-13.01%	$1,150,492.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	33,212	-2,900	-8.03%	$1,147,142.00
JPMORGAN CHASE & CO	31 Dec, 2025	33,007	25,503	339.86%	$1,140,061.00
PRELUDE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	29,797	29,797	0.00%	$1,029,188.00
Bank of New York Mellon Corp	31 Dec, 2025	26,936	-498	-1.82%	$930,354.00
BARCLAYS PLC	31 Dec, 2025	26,761	2,087	8.46%	$924,326.00
REDMONT WEALTH ADVISORS LLC	31 Dec, 2025	26,376	-90	-0.34%	$911,027.00

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