BMRC vs WABC vs CVBF vs BANR vs COLB

For growth investors, Bank of Marin Bancorp (BMRC) is the stronger pick with 51.

8% revenue growth year-over-year, versus -5. 0% for Westamerica Bancorporation (WABC). Bank of Marin Bancorp (BMRC) offers the better valuation at 9. 5x trailing P/E (11. 9x forward), making it the more compelling value choice. Analysts rate Columbia Banking System, Inc. (COLB) a "Buy" — based on 19 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Bank of Marin Bancorp (BMRC) is the cheapest at 9.

5x versus CVB Financial Corp. at 13. 5x. On forward P/E, Columbia Banking System, Inc. is actually cheaper at 9. 7x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Banner Corporation wins at 0. 90x versus CVB Financial Corp. 's 4. 48x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Banner Corporation (BANR) delivered a total return of +29.

6%, compared to -18. 1% for Columbia Banking System, Inc. (COLB). Over 10 years, the gap is even starker: BANR returned +101. 1% versus BMRC's +41. 5%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Westamerica Bancorporation (WABC) is the lower-risk stock at 0.

63β versus Columbia Banking System, Inc. 's 1. 37β — meaning COLB is approximately 117% more volatile than WABC relative to the S&P 500. On balance sheet safety, Westamerica Bancorporation (WABC) carries a lower debt/equity ratio of 16% versus 51% for Columbia Banking System, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Bank of Marin Bancorp (BMRC) is pulling ahead at 51.

8% versus -5. 0% for Westamerica Bancorporation (WABC). On earnings-per-share growth, the picture is similar: Bank of Marin Bancorp grew EPS 625. 0% year-over-year, compared to -14. 2% for Westamerica Bancorporation. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Westamerica Bancorporation (WABC) is the more profitable company, earning 44.

6% net margin versus 17. 1% for Columbia Banking System, Inc. — meaning it keeps 44. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: WABC leads at 60. 8% versus 23. 4% for COLB. At the gross margin level — before operating expenses — WABC leads at 94. 3%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Banner Corporation (BANR) is the more undervalued stock at a PEG of 0. 90x versus CVB Financial Corp. 's 4. 48x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Columbia Banking System, Inc. (COLB) trades at 9. 7x forward P/E versus 14. 2x for CVB Financial Corp. — 4. 6x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for CVBF: 20. 7% to $24. 75.

All stocks in this comparison pay dividends.

CVB Financial Corp. (CVBF) offers the highest yield at 4. 0%, versus 3. 0% for Banner Corporation (BANR).

For long-horizon retirement investors, Westamerica Bancorporation (WABC) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.

63), 3. 2% yield). Both have compounded well over 10 years (WABC: +54. 8%, COLB: +51. 1%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Financial Services sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: BMRC is a small-cap high-growth stock; WABC is a small-cap deep-value stock; CVBF is a small-cap deep-value stock; BANR is a small-cap deep-value stock; COLB is a small-cap deep-value stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.