聯合證券銀行股
該符號不再有效

SecurityUBFO / United Security Bancshares
InstitutionMorgan Stanley
Latest Disclosed Ownership57,146 shares
Latest Disclosed Value $ 600,614
Morgan Stanley reports 16.26% increase in ownership of UBFO / United Security Bancshares

On May 15, 2026 - Morgan Stanley filed a 13F-HR form disclosing ownership of 57,146 shares of United Security Bancshares (US:UBFO) valued at $600,604 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on May 27, 2026 disclosing 49,153 shares of United Security Bancshares. This represents a change in shares of 16.26% during the quarter. The current value of the position is $600,604 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F UNITED SEC BANCSHARES CALIF COM 911460103 57,146 7,993 16.26 601 21.46 0.0000
2026-05-27 2025-12-31 13F/A-1 UNITED SEC BANCSHARES CALIF COM 911460103 49,153 15,253 44.99 495 56.33 0.0000
2026-02-13 2025-12-31 13F UNITED SEC BANCSHARES CALIF COM 911460103 49,153 15,253 495 0.0000
2026-05-27 2025-09-30 13F/A-1 UNITED SEC BANCSHARES CALIF COM 911460103 33,900 -16,885 -33.25 316 -28.02 0.0000
2025-11-14 2025-09-30 13F UNITED SEC BANCSHARES CALIF COM 911460103 33,900 -16,885 316 0.0000
2025-08-15 2025-06-30 13F UNITED SEC BANCSHARES CALIF COM 911460103 50,785 19,929 64.59 439 59.06 0.0000
2025-05-15 2025-03-31 13F UNITED SEC BANCSHARES CALIF COM 911460103 30,856 8,884 40.43 276 24.89 0.0000
2025-05-15 2024-12-31 13F/A-1 UNITED SEC BANCSHARES CALIF COM 911460103 21,972 3,630 19.79 222 38.99 0.0000
2025-02-14 2024-12-31 13F UNITED SEC BANCSHARES CALIF COM 911460103 21,972 3,630 222 0.0000
2025-05-14 2024-09-30 13F/A-2 UNITED SEC BANCSHARES CALIF COM 911460103 18,342 -993 -5.14 160 13.57 0.0000
2025-02-14 2024-09-30 13F/A-1 UNITED SEC BANCSHARES CALIF COM 911460103 18,342 -993 160 0.0000
2024-11-14 2024-09-30 13F UNITED SEC BANCSHARES CALIF COM 911460103 18,342 -993 160 0.0000
2025-05-14 2024-06-30 13F/A-2 UNITED SEC BANCSHARES CALIF COM 911460103 19,335 -956 -4.71 140 -10.26 0.0000
2024-10-17 2024-06-30 13F/A-1 UNITED SEC BANCSHARES CALIF COM 911460103 19,335 -956 140 0.0000
2024-08-14 2024-06-30 13F UNITED SEC BANCSHARES CALIF COM 911460103 19,335 -956 140 0.0000
2024-10-17 2024-03-31 13F/A-2 UNITED SEC BANCSHARES CALIF COM 911460103 20,291 1,654 8.87 156 0.00 0.0000
2024-08-16 2024-03-31 13F/A-1 UNITED SEC BANCSHARES CALIF COM 911460103 20,291 1,654 156 0.0000
2024-05-15 2024-03-31 13F UNITED SEC BANCSHARES CALIF COM 911460103 20,291 1,654 156 0.0000
2024-08-16 2023-12-31 13F/A-1 UNITED SEC BANCSHARES CALIF COM 911460103 18,637 -7,703 -29.24 157 -20.00 0.0000
2024-02-13 2023-12-31 13F UNITED SEC BANCSHARES CALIF COM 911460103 18,637 -7,703 157 0.0000
2023-11-15 2023-09-30 13F UNITED SEC BANCSHARES CALIF COM 911460103 26,340 9,249 54.12 196 72.57 0.0000
2023-08-14 2023-06-30 13F UNITED SEC BANCSHARES CALIF COM 911460103 17,091 2,751 19.18 114 24.18 0.0000
2023-05-15 2023-03-31 13F UNITED SEC BANCSHARES CALIF COM 911460103 14,340 1,177 8.94 91 -5.21 0.0000
2023-02-14 2022-12-31 13F UNITED SEC BANCSHARES CALIF COM 911460103 13,163 -1,425 -9.77 96 0.00 0.0000
2022-11-14 2022-09-30 13F UNITED SEC BANCSHARES CALIF COM 911460103 14,588 -4,265 -22.62 96 -33.33 0.0000
2022-10-27 2022-06-30 13F/A-1 UNITED SEC BANCSHARES CALIF COM 911460103 18,853 -13,589 -41.89 144 -46.47 0.0000
2022-08-15 2022-06-30 13F UNITED SEC BANCSHARES CALIF COM 911460103 18,853 -13,589 144 0.0000
2022-10-27 2022-03-31 13F/A-1 UNITED SEC BANCSHARES CALIF COM 911460103 32,442 -4,368 -11.87 269 -10.03 0.0000
2022-05-13 2022-03-31 13F UNITED SEC BANCSHARES CALIF COM 911460103 32,442 -4,368 269 0.0000
2022-02-14 2021-12-31 13F UNITED SEC BANCSHARES CALIF COM 911460103 36,810 702 1.94 299 3.46 0.0000
2021-11-15 2021-09-30 13F UNITED SEC BANCSHARES CALIF COM 911460103 36,108 -513 -1.40 289 -3.67 0.0000
2021-08-23 2021-06-30 13F/A-1 UNITED SEC BANCSHARES CALIF COM 911460103 36,621 -4,539 -11.03 300 -10.98 0.0000
2021-08-16 2021-06-30 13F UNITED SEC BANCSHARES CALIF COM 911460103 36,621 -4,539 300 0.0000
2021-05-17 2021-03-31 13F UNITED SEC BANCSHARES CALIF COM 911460103 41,160 -3,512 -7.86 337 6.98 0.0000
2021-02-16 2020-12-31 13F UNITED SEC BANCSHARES CALIF COM 911460103 44,672 8,999 25.23 315 44.50 0.0000
2020-11-13 2020-09-30 13F UNITED SEC BANCSHARES CALIF COM 911460103 35,673 -710 -1.95 218 -10.66 0.0000
2020-08-14 2020-06-30 13F UNITED SEC BANCSHARES CALIF COM 911460103 36,383 2,254 6.60 244 11.42 0.0001
2020-05-26 2020-03-31 13F/A-1 UNITED SECURITY BANCSHARES C COM 911460103 34,129 -16,512 -32.61 219 -59.67 0.0001
2020-05-15 2020-03-31 13F UNITED SECURITY BANCSHARES C COM 911460103 34,129 -16,512 219 16.8238
2020-02-14 2019-12-31 13F UNITED SECURITY BANCSHARES C COM 911460103 50,641 45,581 900.81 543 924.53 0.0001
2019-11-14 2019-09-30 13F UNITED SECURITY BANCSHARES C COM 911460103 5,060 4,509 818.33 53 783.33 0.0000
2019-08-14 2019-06-30 13F UNITED SECURITY BANCSHARES C COM 911460103 551 -3,929 -87.70 6 -87.23 0.0000
2019-05-15 2019-03-31 13F UNITED SECURITY BANCSHARES C COM 911460103 4,480 -22,533 -83.42 47 -81.85 0.0000
2019-02-14 2018-12-31 13F UNITED SECURITY BANCSHARES C COM 911460103 27,013 1,295 5.04 259 -9.12 0.0001
2019-04-23 2018-09-30 13F/A-2 UNITED SECURITY BANCSHARES C COM 911460103 25,718 -6,241 -19.53 285 -20.39 0.0001
2018-11-20 2018-09-30 13F/A-1 UNITED SECURITY BANCSHARES C COM 911460103 25,718 0 285 0.0001
2018-11-14 2018-09-30 13F UNITED SECURITY BANCSHARES C COM 911460103 25,718 -6,241 285
2019-04-23 2018-06-30 13F/A-1 UNITED SECURITY BANCSHARES C COM 911460103 31,959 2,803 9.61 358 14.38 0.0001
2018-08-14 2018-06-30 13F UNITED SECURITY BANCSHARES C COM 911460103 31,959 2,803 358
2019-04-23 2018-03-31 13F/A-1 UNITED SECURITY BANCSHARES C COM 911460103 29,156 1,175 4.20 313 1.62 0.0001
2018-05-14 2018-03-31 13F UNITED SECURITY BANCSHARES C COM 911460103 29,156 1,175 313
2019-04-23 2017-12-31 13F/A-1 UNITED SECURITY BANCSHARES C COM 911460103 27,981 11,379 68.54 308 94.94 0.0001
2018-02-14 2017-12-31 13F UNITED SECURITY BANCSHARES C COM 911460103 27,981 11,379 308
2017-11-14 2017-09-30 13F UNITED SECURITY BANCSHARES C COM 911460103 16,602 4,530 37.52 158 41.07 0.0000
2017-08-11 2017-06-30 13F UNITED SECURITY BANCSHARES C COM 911460103 12,072 11,372 1,624.57 112 2,140.00 0.0000
2017-05-22 2017-03-31 13F/A-1 UNITED SECURITY BANCSHARES C COM 911460103 700 700 -94.20 5 -95.54 0.0000
2017-05-12 2017-03-31 13F UNITED SECURITY BANCSHARES C COM 911460103 700 5
2016-08-12 2016-06-30 13F UNITED SECURITY BANCSHARES C COM 911460103 0 -24 -100.00 0 -100.00 0.0000
2016-05-12 2016-03-31 13F UNITED SECURITY BANCSHARES C COM 911460103 24 -5,251 -99.55 0 -100.00
2016-02-09 2015-12-31 13F UNITED SECURITY BANCSHARES C COM 911460103 5,275 1,429 37.16 28 40.00 0.0000
2016-02-08 2015-09-30 13F/A-1 UNITED SECURITY BANCSHARES C COM 911460103 3,846 3,846 -27.09 20 -28.57 0.0000
2015-11-09 2015-09-30 13F UNITED SECURITY BANCSHARES C COM 911460103 3,846 20
2015-08-12 2015-06-30 13F UNITED SECURITY BANCSHARES C COM 911460103 0 -26 -100.00 0 -100.00 0.0000
2015-05-14 2015-03-31 13F UNITED SECURITY BANCSHARES C COM 911460103 26 0 0.00 0 0.0000
2015-02-13 2014-12-31 13F UNITED SECURITY BANCSHARES C COM 911460103 26 1 4.00 0 0.0000
2014-12-16 2014-09-30 13F/A-1 UNITED SECURITY BANCSHARES C COM 911460103 25 -453 -94.77 0 -100.00
2014-11-14 2014-09-30 13F UNITED SECURITY BANCSHARES C COM 911460103 25 0
2014-05-13 2014-03-31 13F UNITED SECURITY BANCSHARES C COM 911460103 478 29 6.46 3 50.00 0.0000
2014-02-13 2013-12-31 13F UNITED SECURITY BANCSHARES C COM 911460103 449 449 2 0.0000
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.