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Equibles

UBFO

UNITED SECURITY BANCSHARES

Company with tickers: UBFO

CIK
1137547
CUSIP
911460103
Shares Outstanding
17,604,923
13F Activity (30d)
52 filings 48 filers

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: 76
Total Value: $73,582,510
Total Shares: 7,001,195

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 76 13F filers · Δ vs Dec 31, 2025
Top Holder
17.2%
Jun 2023 → Mar 2026 · range 17.2% – 37.8%
−1.2 pts
Top 5
57.5%
Jun 2023 → Mar 2026 · range 57.5% – 72.9%
−5.2 pts
Top 10
77.4%
Jun 2023 → Mar 2026 · range 77.4% – 86.7%
−4.5 pts
HHI
837
Jun 2023 → Mar 2026 · range 837 – 1,895
Broadly held−126

Quarterly Activity

vs Dec 31, 2025
New
13
Increased
23
Decreased
20
Sold Out
9
Unchanged
20
Holder count: +4
Institutional value: +10.5%
Shares held: +5.9%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mid GLAZER CAPITAL, LLC +137,958 252,426
Mega MILLENNIUM MANAGEMENT LLC +78,563 94,187
Mega BlackRock, Inc. +33,038 649,837
Small Fourthstone LLC +26,425 664,342
Large RENAISSANCE TECHNOLOGIES LLC +24,900 113,948

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega WELLS FARGO & COMPANY/MN −37,292 5,232
Mega GOLDMAN SACHS GROUP INC −31,572 64,609
Mega GEODE CAPITAL MANAGEMENT, LLC −23,444 302,780
Micro Bridgewealth Advisory Group, LLC −14,983 1,203,437
Mega BANK OF AMERICA CORP /DE/ −13,141 17,120

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 584,697 $6,145,165
Mega ALLIANCEBERNSTEIN L.P. 92,478 $971,943
Mega VANGUARD FIDUCIARY TRUST CO 87,522 $919,856
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 79,980 $840,589
Large Empowered Funds, LLC 73,871 $776,384

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 756,245 $7,615,386
Mega JANE STREET GROUP, LLC 15,001 $151,059
Small Private Wealth Advisors, LLC 12,745 $128,342
Mega Invesco Ltd. 10,420 $104,928
Micro KERR FINANCIAL PLANNING Corp 3,472 $34,963
Filter: New 13 Increased 23 Reduced 20 Sold out 9 Unchanged 20
Showing 76 of 76
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Micro Bridgewealth Advisory Group, LLC $12,648,122 17.19% 1,203,437
Mega DIMENSIONAL FUND ADVISORS LP $9,738,901 13.24% 926,632
Small Fourthstone LLC $6,982,234 9.49% 664,342
Mega BlackRock, Inc. $6,829,784 9.28% 649,837
Mega VANGUARD CAPITAL MANAGEMENT LLC $6,145,165 8.35% 584,697
Small BANC FUNDS CO LLC $5,594,641 7.60% 532,316
Mega GEODE CAPITAL MANAGEMENT, LLC $3,182,217 4.32% 302,780
Mid GLAZER CAPITAL, LLC $2,652,997 3.61% 252,426
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $1,679,193 2.28% 159,771
Mega STATE STREET CORP $1,503,171 2.04% 143,023
Large RENAISSANCE TECHNOLOGIES LLC $1,197,593 1.63% 113,948
Mega NORTHERN TRUST CORP Bank $1,065,302 1.45% 101,361
Mid Destination Wealth Management $993,258 1.35% 94,506
Mega MILLENNIUM MANAGEMENT LLC $989,905 1.35% 94,187
Mega ALLIANCEBERNSTEIN L.P. $971,943 1.32% 92,478
Mega VANGUARD FIDUCIARY TRUST CO Bank $919,856 1.25% 87,522
Mega AMERICAN CENTURY COMPANIES INC $876,166 1.19% 83,365
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $840,589 1.14% 79,980
Large Empowered Funds, LLC $776,384 1.06% 73,871
Mega GOLDMAN SACHS GROUP INC $679,040 0.92% 64,609
Small Yakira Capital Management, Inc. $634,919 0.86% 60,411
Mega BARCLAYS PLC $618,218 0.84% 58,822
Mega MORGAN STANLEY $600,600 0.82% 57,146
Large Cerity Partners LLC $553,319 0.75% 52,647
Mid KESTRA PRIVATE WEALTH SERVICES, LLC $407,998 0.55% 38,820
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $387,661 0.53% 36,885
Micro Planning Center, Inc. $378,622 0.51% 36,025
Mega ROYAL BANK OF CANADA Bank $334,752 0.45% 31,851
Mega Bank of New York Mellon Corp Bank $326,029 0.44% 31,021
Mega Nuveen, LLC $259,449 0.35% 24,686
Mega HSBC HOLDINGS PLC $256,822 0.35% 24,436
Micro Transmarket Holdings LP $246,165 0.33% 23,422
Small OXFORD ASSET MANAGEMENT LLP $243,106 0.33% 23,131
Mid Composition Wealth, LLC $241,730 0.33% 23,000
Small Mraz, Amerine & Associates, Inc. $191,786 0.26% 18,248
Mega BANK OF AMERICA CORP /DE/ Bank $179,931 0.24% 17,120
Mid PRELUDE CAPITAL MANAGEMENT, LLC $163,335 0.22% 15,541
Small CSS LLC/IL $143,724 0.20% 13,675
Large O'SHAUGHNESSY ASSET MANAGEMENT, LLC $121,295 0.16% 11,541
Mid Saratoga Research & Investment Management $115,610 0.16% 11,000
Mega RHUMBLINE ADVISERS $108,095 0.15% 10,285
Small CALDWELL SUTTER CAPITAL, INC. $105,783 0.14% 10,065
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $95,641 0.13% 9,100
Small PenderFund Capital Management Ltd. $87,233 0.12% 8,300
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $69,082 0.09% 6,573
Mega DEUTSCHE BANK AG\ Bank $63,501 0.09% 6,042
Mega JPMORGAN CHASE & CO $60,148 0.08% 5,723
Mega Vanguard Global Advisers, LLC $57,247 0.08% 5,447
Mega WELLS FARGO & COMPANY/MN $54,988 0.07% 5,232
Mega UBS Group AG $52,192 0.07% 4,966
Large Police & Firemen's Retirement System of New Jersey Pension $34,966 0.05% 3,327
Mid Tower Research Capital LLC (TRC) $25,644 0.03% 2,440
Mega BNP PARIBAS ARBITRAGE, SA $24,498 0.03% 2,331
Mid Ameritas Investment Partners, Inc. $14,861 0.02% 1,414
Mega Legal & General Group Plc $13,105 0.02% 1,247
Large ASSETMARK, INC $8,691 0.01% 827
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $7,861 0.01% 748
Large Russell Investments Group, Ltd. $7,462 0.01% 710
Mega CITIGROUP INC $6,757 0.01% 643
Large CWM, LLC $4,077 0.01% 388
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $1,933 0.00% 184
Mega PNC FINANCIAL SERVICES GROUP, INC. $1,933 0.00% 184
Mid GAMMA Investing LLC $1,608 0.00% 153
Mega FMR LLC $1,555 0.00% 148
Small Essential Partners LLC $956 0.00% 91
Micro Rialto Wealth Management, LLC $525 0.00% 50
Mid EverSource Wealth Advisors, LLC $167 0.00% 16
Mid Allworth Financial LP $157 0.00% 15
Micro True Wealth Design, LLC $94 0.00% 9
Small Root Financial Partners, LLC $63 0.00% 6
Mid MAI Capital Management $52 0.00% 5
Small Covestor Ltd $42 0.00% 4
Mid IFP Advisors, Inc $31 0.00% 3
Small Sunbelt Securities, Inc. Broker-Dealer $10 0.00% 1
Mid ROTHSCHILD INVESTMENT LLC $10 0.00% 1
Mid SBI Securities Co., Ltd. Broker-Dealer $10 0.00% 1

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