Is TRMK a Buy? What to Consider in 2026
Last updated July 2026
Short answer
The bull case for Trustmark Corporation (TRMK) rests on Expanding net interest margin: Trustmark's net interest margin widened to about 3.80% in 2025, up 29 basis points from the prior year, and net interest income (FTE) grew roughly 8.4% to about $647.2 million. Full-Year 2025 Diluted EPS is ~$3.70. If you believe that thesis holds, the real questions become position sizing and overlap, not timing. The main risk to that view: As a regional bank, Trustmark is highly sensitive to interest rates: net interest income is its largest revenue source, so falling rates or deposit repricing could compress the net interest margin that recently expanded to about 3.80%. Whether TRMK is a buy comes down to whether you believe the thesis. This is informational, not a recommendation, and Walnut is not an investment adviser.
Trustmark Corporation (NASDAQ: TRMK) is a regional financial holding company headquartered in Jackson, Mississippi, whose principal subsidiary, Trustmark National Bank, traces back to an 1889 Mississippi charter. The company runs three operating segments: a General Banking Division (checking, savings, mortgages, commercial and consumer lending, and treasury services), a Wealth Management Division (trust, private banking, and investment advisory), and an Insurance Division (commercial and personal insurance agency operations). Its branch footprint spans Alabama, Florida (primarily the Panhandle), Georgia, Mississippi, Tennessee (Memphis), and Texas (Houston), operating well over 150 full-service branches. Like most banks, Trustmark makes money in two broad ways: net interest income, the spread between what it earns on loans and securities and what it pays on deposits, and noninterest fee income from wealth management, insurance, service charges, and mortgage banking. In full-year 2025 Trustmark earned net income of about $224.1 million, or $3.70 in diluted EPS, producing a return on average tangible common equity of roughly 12.97% and a return on average assets of about 1.21%. Net interest income on a fully taxable-equivalent basis rose about 8.4% to roughly $647.2 million, lifting the net interest margin to about 3.80%, up 29 basis points year over year, a key driver of the improved profitability. Momentum carried into early 2026, with first-quarter net income of about $56.1 million ($0.95 diluted EPS), total assets near $19 billion, deposits around $15.7 billion, and loans held for investment near $13.9 billion. The company raised its quarterly dividend about 4.2% to $0.25 per share (a $1.00 annual rate) and carries a market capitalization of roughly $2.6 billion, positioning it as a diversified, dividend-paying community bank rather than a high-growth story.
What's the case for buying TRMK?
1. Expanding net interest margin.
Trustmark's net interest margin widened to about 3.80% in 2025, up 29 basis points from the prior year, and net interest income (FTE) grew roughly 8.4% to about $647.2 million. Lower deposit costs (down to about 1.63% by early 2026) combined with higher-yielding loans and securities repricing have supported the margin. Because net interest income is the bank's largest revenue line, sustained margin strength is central to earnings.
2. Steady loan growth and stable credit.
Loans held for investment rose toward $13.9 billion by early 2026, reflecting mid-single-digit growth across the bank's Southeastern and Texas markets. Management has pointed to stable credit quality and an attractive core deposit base of roughly $15.7 billion. Continued regional economic activity in states like Mississippi, Alabama, and Texas underpins loan demand, though growth remains modest rather than rapid.
3. Diversified fee income from wealth and insurance.
Beyond lending, Trustmark's Wealth Management and Insurance divisions generate fee income that is less directly tied to the interest-rate cycle. Trust, advisory, and insurance-agency revenues add diversification and can grow with client assets and regional business activity. This fee base helps cushion the rate-sensitive banking business and differentiates Trustmark from a plain deposit-and-loan bank.
4. Capital return and modest valuation.
Trustmark raised its quarterly dividend about 4.2% to $0.25 per share, a $1.00 annual rate yielding roughly 2%, with a comfortable payout ratio near 26%. The stock trades at about 12 times trailing earnings, a moderate valuation for a profitable regional bank. A low-teens return on tangible equity plus dividends and potential buybacks frame the total-return case for a slower-growth bank.
What are the risks to TRMK?
As a regional bank, Trustmark is highly sensitive to interest rates: net interest income is its largest revenue source, so falling rates or deposit repricing could compress the net interest margin that recently expanded to about 3.80%. It is exposed to the credit cycle, where a regional or national downturn, rising unemployment, or stress in commercial real estate could increase loan losses given its concentration in the Deep South and Texas. Deposit competition and any renewed flight to higher-yielding accounts could raise funding costs. Its geographic concentration means local economic shocks (energy prices in Texas, weather events on the Gulf Coast, or weakness in Mississippi and Alabama) carry outsized weight. Finally, it competes against much larger national banks and fast-growing Southeastern regionals, and its modest growth profile leaves less room to offset margin or credit setbacks.
How is TRMK valued? (as of JULY 2026)
Snapshot for TRMK as of July 2026, sourced from Yahoo Finance and may be delayed. Valuation figures move with price and earnings; verify the current numbers with your broker before deciding.
- Total Assets (Q1 2026): ~$19 billion
- Full-Year 2025 Net Income: ~$224 million
- Full-Year 2025 Diluted EPS: ~$3.70
- Net Interest Margin (FY2025): ~3.80% (NII FTE up ~8.4%)
- P/E Ratio / Dividend Yield: ~12x / ~2% ($1.00/yr)
- Market Capitalization: ~$2.6 billion
Trustmark trades at roughly 12 times trailing earnings, a moderate valuation typical of a profitable but slower-growth regional bank, with a return on average assets around 1.2% and return on tangible common equity near 13%. Its net interest margin expanded meaningfully in 2025, and deposit costs eased into early 2026. The dividend, recently raised to a $1.00 annual rate, carries a payout ratio near 26%, leaving room for reinvestment and capital return.
How do you decide if TRMK is a buy?
Rather than asking whether TRMK is a buy in the abstract, it tends to help to answer four questions:
- Thesis: do you believe the case above, and is it still true today?
- Time horizon: a single stock can be volatile, so a longer horizon absorbs more of the swings.
- Position sizing: a thesis can be right and the sizing still wrong; decide how much of your portfolio one name should be.
- Overlap: check whether you already hold TRMK indirectly through an index or sector ETF before adding more.
For the full picture, see the TRMK stock guide (what the company does, the ETFs that hold it, similar stocks, and the themes it fits). In Walnut you can ask its AI about TRMK against your real portfolio and see your actual exposure before deciding.
The bottom line on TRMK
The bottom line: Trustmark Corporation's story right now is Expanding net interest margin, with full-year 2025 diluted eps at ~$3.70. If you believe that narrative continues, the call is about sizing TRMK sensibly and checking overlap with what you own; if you doubt it (the risk: as a regional bank, Trustmark is highly sensitive to interest rates: net interest income is its largest revenue source, so falling rates or deposit repricing could compress the net interest margin that recently expanded to about 3.80%.), it is not for you. Decide from the thesis, not the ticker. Walnut is not an investment adviser.
Build a basket around TRMK with Walnut
Use Trustmark Corporation as one constituent in a thematic basket Walnut's AI helps you assemble. Describe a thesis you believe in, the AI proposes the holdings and weights, and you approve before any broker order.
FAQ
Is TRMK a good stock to buy right now?
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The case for Trustmark Corporation right now is Expanding net interest margin, with full-year 2025 diluted eps at ~$3.70. If you believe that thesis holds, TRMK is a way to own it and the real questions are sizing and overlap, not timing; the main risk to that view is as a regional bank, Trustmark is highly sensitive to interest rates: net interest income is its largest revenue source, so falling rates or deposit repricing could compress the net interest margin that recently expanded to about 3.80%. So it comes down to whether you believe the thesis. Walnut is not an investment adviser and this is not a recommendation.
What does Trustmark Corporation do?
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Trustmark Corporation (NASDAQ: TRMK) is a regional financial holding company headquartered in Jackson, Mississippi, whose principal subsidiary, Trustmark National Bank, traces back
What are the main risks of TRMK?
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As a regional bank, Trustmark is highly sensitive to interest rates: net interest income is its largest revenue source, so falling rates or deposit repricing could compress the net interest margin that recently expanded to about 3.80%. It is exposed to the credit cycle, where a regional or national downturn, rising unemployment, or stress in commercial real estate could increase loan losses given its concentration in the Deep South and Texas. Deposit competition and any renewed flight to higher-yielding accounts could raise funding costs. Its geographic concentration means local economic shocks (energy prices in Texas, weather events on the Gulf Coast, or weakness in Mississippi and Alabama) carry outsized weight. Finally, it competes against much larger national banks and fast-growing Southeastern regionals, and its modest growth profile leaves less room to offset margin or credit setbacks.
What does Trustmark Corporation do?
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Trustmark is a regional financial holding company based in Jackson, Mississippi, operating through Trustmark National Bank. It runs three divisions: General Banking (deposits, loans, and treasury services), Wealth Management (trust and advisory), and Insurance, serving customers across Alabama, Florida, Georgia, Mississippi, Tennessee, and Texas.
How do I invest in TRMK stock?
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TRMK trades on the Nasdaq, so you can buy shares or fractional shares through any major brokerage. Some investors gain exposure indirectly through regional-bank or financial-sector ETFs that hold Trustmark, or by including it as one position within a diversified thematic basket.
Does Trustmark pay a dividend?
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Yes. Trustmark pays a quarterly dividend, recently raised about 4.2% to $0.25 per share, giving an indicated annual rate of $1.00 and a yield of roughly 2%. The payout ratio near 26% of earnings leaves room for reinvestment and future increases.
How large is Trustmark?
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As of early 2026 Trustmark had roughly $19 billion in total assets, about $15.7 billion in deposits, and near $13.9 billion in loans held for investment. Its market capitalization is around $2.6 billion, placing it in the mid-cap regional-bank category.
Walnut is informational and is not an investment adviser. This page is educational and not a recommendation to buy or sell TRMK; figures are approximate and dated, and your own situation, time horizon, and risk tolerance should drive any decision. Verify current data before investing.