| 1st Capital Bank Monterey CA (FISB) | 11.44 | -2.14 | 3500 | 13.6765 | 8.5784 | 3115 | 37 | -- | 1.73 |
| 1st Century Bancshares Inc (FCTY) | 5.63 | 0.00 | 3550 | 6.45 | 4.03 | 4218 | 52 | 13.10 | 1.45 |
| 1st Colonial Bancorp, Inc. (PA) (FCOB) | 5.89 | -1.83 | 4000 | 6.1238 | 3.9619 | 3005 | 21 | 116.20 | 3.98 |
| 1st Enterprise Bank (FENB) | 17.30 | 0.00 | 100 | 17.30 | 13.00 | 2794 | 48 | -- | 1.94 |
| 1st Financial Services Corpora (FFIS) | 1.00 | 16.28 | 2333 | 0.85 | 0.12 | 4423 | 5 | -0.06 | 24.17 |
| 1st Pacific Bancorp (FPBN) | 0.01 | 0.00 | 778 | 0.025 | 0.005 | 16029 | 0 | -- | 9.37 |
| 1st United Bancorp Inc (FUBC) | 6.58 | -1.35 | 20208 | 6.83 | 5.30 | 51733 | 226 | 38.70 | 1.57 |
| AB&T Financial Corp (ABTO) | 0.76 | 0.00 | 1300 | 2.00 | 0.22 | 1400 | 2 | -- | 7.38 |
| Acnb Corp (ACNB) | 16.30 | 0.00 | 2784 | 17.20 | 14.06 | 2854 | 97 | 10.70 | 0.75 |
| AJS Bancorp Inc (AJSB) | 12.00 | -6.90 | 3300 | 13.29 | 9.12 | 3818 | 24 | -9.10 | 3.35 |
| Albina Community Bancorp (ACBC) | 0.23 | 9.52 | 2500 | 0.37 | 0.11 | 5341 | 0 | 0.20 | 16.82 |
| Allegheny Valley Bancorp (AVLY) | 42.00 | -8.20 | 200 | 47.6168 | 34.3238 | 470 | 43 | 8.50 | 1.46 |
| Allied Irish Banks (AIBYY) | 1.11 | 0.00 | 24947 | 10.85 | 0.39 | 103909 | 199 | -- | 9.53 |
| AltaPacific Bancorp (ABNK) | 8.30 | -7.68 | 3039 | 9.05 | 6.25 | 5686 | 28 | -- | 1.25 |
| Altrust Financial Services, Inc. (ATFS) | -- | 0.00 | 0 | 18.00 | 18.00 | -- | -- | 17.31 | -- |
| Amcor Financial Corp (AFCL) | 0.0001 | 0.00 | 100 | 0.01 | 0.0001 | 100 | -- | -- | -- |
| America California Bank (ACAL) | 3.50 | 16.67 | 4789 | 3.50 | 2.05 | 4789 | -- | -- | -- |
| American Bank Holdings, Inc. (ABKH) | 3,900.00 | -1.27 | 1 | 9,600.00 | 300.00 | 1 | 6 | 0.10 | -- |
| American Bank Inc (AMBK) | 7.26 | 0.14 | 900 | 10.50 | 5.50 | 517 | 44 | 13.30 | 2.73 |
| American Bank Inc Pfd A (AMBKO) | 6.00 | 0.00 | 300 | 6.00 | 6.00 | 300 | -- | -- | -- |
| American Business Bank (AMBZ) | 28.45 | -1.86 | 292 | 29.25 | 23.50 | 682 | 135 | 23.80 | 1.48 |
| American Natl Bankshr (AMNB) | 23.08 | 0.39 | 27724 | 23.99 | 18.50 | 13154 | 181 | 11.40 | 1.78 |
| American River Bankshares (AMRB) | 8.35 | -1.18 | 1600 | 9.53 | 6.21 | 11792 | 74 | 24.60 | 1.66 |
| American Riviera Bank (ARBV) | 9.40 | 0.00 | 100 | 8.00 | 4.48 | 1290 | 24 | -- | 1.71 |
| AmericanWest Bancorporation (AWBCQ) | 0.0245 | 0.00 | 4461 | 1.59 | 0.001 | 16575 | 0 | -- | 43.42 |
