Bank of Marin shows unusually strong 25% growth for a regional bank, but sub-floor quality, a negative-asymmetry setup after reaching its price target, and a flagged yield trap leave the risk/reward unattractive at current levels.
Thesis pillars
- Quality Below Floor No Moat→Stable
- Negative Asymmetry Target Reached→Stable
- Strong Growth Despite Quality Concerns→Stable
- +2 more pillars — see the Why tab for full reasoning
Bank of Marin Bancorp (BMRC) Stock Analysis
Breakout setup
Financial Services · Banks - Regional
Sell if holding. Engine safety override at $28.05: a dimension score below its floor triggers a hard block regardless of the otherwise-positive setup — overall score 5.4/10. Specifically: Elevated put/call ratio: 2.00; Below-average business quality.
Bank of Marin Bancorp is the holding company for Bank of Marin, a California state-chartered community bank operating 27 retail branches and 8 commercial banking offices across nine Northern California counties, with the majority of deposits concentrated in Marin, Napa, Alameda,... Read more
Sell if holding. Engine safety override at $28.05: a dimension score below its floor triggers a hard block regardless of the otherwise-positive setup — overall score 5.4/10. Specifically: Elevated put/call ratio: 2.00; Below-average business quality. Chart setup: Golden cross, above all MAs, RSI 70, MACD bullish. Score 5.4/10, moderate confidence.
Passes 7/8 gates (positive momentum, clean insider activity, no SEC red flags, news events none recent, earnings proximity 19d clear, semi cycle peak clear, materials cycle peak clear). Fails on favorable risk/reward ratio. Suitability: aggressive.
About Bank of Marin Bancorp
About Bank of Marin Bancorp
Bank of Marin Bancorp concentrates its deposit base in Northern California, with the majority of deposits held in Marin, Napa, Alameda, and southern Sonoma counties across 27 retail branches and 8 commercial banking offices as of December 31, 2025. Business relationships supplied approximately 62% of deposits versus 38% from consumers, and the bank employed 311 full-time equivalent staff, regulated by the DFPI and the FDIC.
Bank of Marin earns net interest income by funding commercial real estate, commercial and industrial, construction, and consumer loans through core deposits gathered across its business-banking focus on small to medium-sized businesses, not-for-profits, and commercial real estate investors. The bank supplements interest income with wealth management and trust services, including investment portfolio management, trust administration, and estate settlement, and offers CDARS, ICS, and DDM Sweep deposit products that extend FDIC coverage above regulatory limits by spreading deposits across partner-network banks. Beyond core deposits, funding sources include Federal Home Loan Bank and Federal Reserve Bank borrowings and brokered deposits, with total available borrowing capacity of $2.148 billion as of December 31, 2025. The bank competes against nationwide banks with larger branch networks and greater technology resources, positioning itself instead on relationship banking and local decision-making across its Northern California footprint.
Show full overview
Bank of Marin's funding carries two compounding concentration risks beyond its business-deposit base: uninsured and/or uncollateralized deposits stood at an estimated 31% of total deposits as of December 31, 2025, and the bank's top ten depositor relationships accounted for approximately 12% of total deposit balances, up from 9% a year earlier. In February 2026, the company also disclosed a material weakness in internal controls after determining that reciprocal network deposits had been misclassified as non-interest bearing, triggering a restatement of 2023 and 2024 financial statements and several 2024-2025 quarterly periods.
See also: Financial Services · Banks - Regional
From Bank of Marin Bancorp's most recent 10-K filing, extracted July 6, 2026.
Upcoming dated catalysts
Thesis
Key Metrics
Quality Signals
Options Flow
Concentration Risks(10-K Item 1A)
- MEDIUMGeographicMarin, Napa, Alameda and southern Sonoma counties10-K Item 1: 'the majority of our deposits were in Marin, Napa, Alameda and southern Sonoma counties'
- HIGHloan_portfoliobusiness deposits62%10-K Item 1: 'approximately 62% of our deposits were from businesses and 38% from consumers.'
- MEDIUMloan_portfoliouninsured and/or uncollateralized deposits31%10-K Item 1A: 'we maintain a well-diversified deposit base, with an estimated 31% of uninsured and/or uncollateralized deposits as of December 31, 2025.'
- LOWloan_portfoliotop ten depositor relationships12%10-K Item 1A: 'our top ten depositor relationships accounted for approximately 12% and 9% of total deposit balances at December 31, 2025 and 2024, respectively.'
Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results.
Show full disclosure ▾Hide full disclosure ▴
About TrendMatrix. TrendMatrix is a publisher of general securities research and market commentary. We publish on a regular schedule. All content is the same for every subscriber in a tier — we do not provide personalized investment advice and we do not take into account any individual subscriber's financial situation, investment objectives, risk tolerance, tax situation, or holdings.
Not investment advice. TrendMatrix is not a registered investment adviser. Our content is for informational and educational purposes only. Consult your own licensed investment adviser, broker, or tax professional before making any investment decision.
Conflicts and positions. The TrendMatrix editorial team frequently holds personal long-term positions in securities discussed. We disclose positions held at the time of publication on each piece. We maintain a trading-window policy: we do not initiate or close positions in the same direction as a TrendMatrix publication within 24 hours before or 72 hours after publication.
No paid promotion. TrendMatrix does not accept payment from any issuer, broker, or third party in exchange for coverage of any security. Our sole compensation is subscription revenue.
No fiduciary duty. No fiduciary, advisory, or agency relationship is created between you and TrendMatrix by reading our content or subscribing to our service.
Performance. Past performance is not indicative of future results. Performance figures reflect the published model only and do not reflect any individual subscriber's actual results.
Rating Breakdown
2 floor-breakers·1 ceiling hit
Unprofitable operations — net margin -90.7%. Quality floor flags this regardless of sector context.static
Ranks in the bottom of its industry peers on the composite signal. Better names in the same sector exist.static
Price Targets
Position Sizing
Risk Alerts
Earnings
Verdict History
Frequently Asked Questions
Sell if holding. Engine safety override at $28.05: a dimension score below its floor triggers a hard block regardless of the otherwise-positive setup — overall score 5.4/10. Specifically: Elevated put/call ratio: 2.00; Below-average business quality. Chart setup: Golden cross, above all MAs, RSI 70, MACD bullish. Prior stop was $26.19. Score 5.4/10, moderate confidence.
Take-profit target: $29.73 (+6.0% upside). Prior stop was $26.19. Stop-loss: $26.19.
Concentration risk — Loan Portfolio: business deposits (62.0%); Target reached (-10.7% upside); Quality below floor (2.9 < 4.0).
Bank of Marin Bancorp trades at a P/E of N/A (forward 11.9). TrendMatrix value score: 4.9/10. Verdict: Sell.
12 analysts cover BMRC with a consensus score of 4.0/5. Average price target: $29.
What does Bank of Marin Bancorp do?Bank of Marin Bancorp is the holding company for Bank of Marin, a California state-chartered community bank operating...
Bank of Marin Bancorp is the holding company for Bank of Marin, a California state-chartered community bank operating 27 retail branches and 8 commercial banking offices across nine Northern California counties, with the majority of deposits concentrated in Marin, Napa, Alameda, and southern Sonoma counties. The bank serves small to medium-sized businesses, not-for-profits, and individuals, drawing approximately 62% of deposits from business customers and 38% from consumers, with 311 full-time equivalent employees as of December 31, 2025.