HDFC Securities' Pick of the Week 01st Dec'25: T͏amilnad Mercantile Bank͏

This week, HDFC Securities recommends Tamilnad Mercantile Bank Ltd. (BSE: 543596, NSE: TMB), as its “Pick of the Week”. TMB is a century-old private sector bank with formidable presence in the high-growth state of Tamil Nadu, with pristine asset quality, strong liability franchise, and clear strategy for profitable geographic & technological expansion. With base-case fair value of ₹565 and bull-case fair value of ₹610 over next 2-3 quarters, HDFC Securities advises investors to buy the stock in the range of ₹495-₹520 and add on dips at ₹450-₹460.

Q2FY26 Results: Steady Performance Amidst Strategic Investments

TMB reported steady Q2FY26 results, marked by robust business growth and sustained best-in-class asset quality, even as NIM compression impacted near-term profitability. The bank is strategically investing in technology and branch expansion to fuel future growth.

• Business Growth: Overall business grew 11.4% YoY to ₹ 1,02,351 crore, the highest since listing. Deposits grew 12.3% YoY, exhibiting a strong revival while Advances grew 10.3% YoY.
• Profitability: PAT rose 4.7% YoY to ₹ 31,8 crore. NII was largely flat (+0.2% YoY) due to margin pressure, but operating efficiency improved as the cost-to- income ratio declined to 43.8%.
• Asset Quality: A Key Strength: GNPА improved to 1.01% – the lowest in a decade, and NNPA stood at a mere 0.26%, amongst the best in the industry. Provision Coverage Ratio (PCR) improved to 74.4%.
• Strategic Focus: The bank added 22 branches in H1FY26 and has significantly increased its IT modernisation budget to ₹250 crore for FY26 to support national expansion and digital capabilities.

Strategic Growth & Key Drivers

1. Leveraginga High-Growth Home Turf
   • TMB enjoys a dominant presence in Tamil Nadu (~75% of branches) that recorded India’s highest real GDP growth of 9.69% in FY25.
   • The state’s thriving manufacturing, MSME-over 25 lakh enterprises, and export sectors present a massive growth runway for the bank’s core lending segments.
2. Flawless Asset Quality and Strong Provisioning Buffer
   • The bank has achieved decade-low NPA levels (GNPA: 1.01%), with slippages well under control.
   • Its robust buffer of contingency of ₹250 crore is expected to take the full brunt of the coming RBI ECL norms, ensuring profitability going forward.
3. Growth-Focused Expansion and Diversification
   • Management has guided for 14-15% credit growth in FY26 and is targeting a total business of ₹1.40 lakh crore by FY27/FY28.
   • A focused branch expansion plan, targeting 700+ branches, will increase the share of non-Tamil Nadu branches to 35% from ~25%, reducing geographic concentration risk.
4. Technology Investment to ͏D͏͏rive Future Efficiency 
   • The significant increase in IT spend of ₹250 crore in Fy26 is aimed at modernizing operations and enhancing digital platforms.
   • This investment is expected to improve productivity, support the national expansion strategy, and drive the cost-to-income ratio below 45%.

Valuation & Recommendation

͏HDFC ͏ Securities’͏ Estima͏tes

• Base Case Fair Value: ₹565 (0.75x FY27E Adjusted Book Value)
• Bull Case Fair Va͏lue: ₹͏610 (͏0͏.͏8x Sep’27E Adjusted Book Value)
• Total length: 2–3 Quarters

Recommendation:

Buy in ₹495–₹ 520 band and accumulate on dips at ₹450–₹460

Rationale

Tamilnad Mercantile Bank trades at a significant discount to its intrinsic value of 0.65x H1FY28E ABV, fails to price in its industry leading asset quality, its advantageous position in a high growth economy, and its clear path towards profitable diversification and digitization. Strong provisioning buffers at the bank, with management guidance for sustained profit growth of >17% in FY27, make this a compelling and low-risk investment in the banking space.

Risks &͏ Considerations

• Geographic Concentration: A majority of business is currently from Tamil Nadu. The bank’s ability to successfully diversify outside its home state is a key monitorable.
• Margin Pressure: NIMS have faced compression; further rate cuts or intense competition could impact profitability.
• Execution of Expansion: Development of expertise and scale in new regions could result in either elevated costs or slower growth than expected.
• Regulatory Changes: Unfavourable changes in banking regulations could impact the earnings outlook.
• Asset Quality Deterioration: Any unexpected economic stress in its core markets could reverse the improving asset quality trend.

HDFC Securities’ Perspective 

Tamilnad Mercantile Bank Ltd. represents a unique proposition: a century-old institution with the asset quality of a modern, conservative lender and the growth potential of a regional champion. Its fortunes are inextricably linked to the strong economy of Tamil Nadu, while its strategic investments in technology and geographic diversification are laying the platform for the next phase of growth.

Trading at an attractive valuation and with clear triggers for a re-rating, TMB is well-positioned to deliver consistent returns. For investors looking for a value play with strong fundamentals and visible growth catalysts in the banking sector, Tamilnad Mercantile Bank stands out as HDFC Securities’ “Pick of the Week”.