M&T Bank (MTB) Stock Concentration Calculator
Calculator · free · no signup · MTBQuantify M&T Bank concentration risk. Drawdown impact at 30 / 50 / 70%, with the tax-aware trade-off between selling down and hedging.
Beta · invite-only · AlphaLatitude Inc. · Free Tools
Your inputs
Adjust — results update instantly.Position & portfolio
Tax
Most fee-only advisors target ≤10% in any single name. You're at 67%.
Estimates only. Not financial advice.
Most sensitive to: Expected market return (±10% on this input swings best-plan wealth by ±$190,508).
Cost of fully de-concentrating
All three plans sell to 0% (no hedge).Sensitivity. If your expected position return drops below 19.6%/yr, lump-sum (sell everything today) beats every spread plan above.
Have multiple RSU vest lots? The RSU Lot Order Calculator picks which lots to sell first, and on which dates, to divest at the lowest computed tax.
Build your own plan
Toggle below — chart updates live. Sell buttons show the slice.Tech / Software single names hit a 50%+ peak-to-trough drawdown in roughly 1 of every 5 rolling 3-year windows over 2014–2024. Even mega-caps aren’t exempt.
Tax brackets: 2026 · Estimates only — not financial advice.
Estate note. Heirs receive a stepped-up basis at death (§1014), eliminating built-in gain on inherited shares. Older holders who plan to bequeath rather than sell may rationally never de-concentrate.
You sized one position's risk. The beta integrates hedging, sell-down, and tax timing into one optimized plan.
Request beta access →Related calculators: Protect Your Stock Calculator · RSU Lot Order Calculator · Equity Funding Plan Calculator
About M&T Bank
M&T Bank (MTB) is a public Fintech company, incorporated in New York and headquartered in Buffalo, NY.
Last close: $251.5 per share (as of 2026-08-19).
Equity grants at M&T Bank typically include restricted stock units (RSUs).
M&T Bank Corporation is an American bank holding company headquartered in Buffalo, New York. It operates 940+ branches in 12 states and Washington D.C. across the Eastern United States, from Maine to Virginia. Until May 1998, the bank's holding company was named First Empire State Corporation.
Source: Wikipedia (CC BY-SA 4.0)
Manufacturers and Traders Trust has operated from Buffalo since 1856 and is known for conservative credit underwriting through cycles that damaged peers. Commercial real estate lending is a large book, which makes the bank's underwriting record the thing worth examining rather than the exposure alone. The People's United acquisition in 2022 extended the franchise across New England. Efficiency and credit cost, not growth, are the traditional management emphases. Headquarters are in Buffalo, New York.
Sources: sec.gov · en.wikipedia.org
OptionsAhoy is an independent tool and is not affiliated with, endorsed by, or sponsored by M&T Bank.
If a meaningful share of your net worth sits in MTB, concentration risk is the question. This calculator quantifies drawdown impact at 30 / 50 / 70%, and the trade-off between selling down (tax cost now) versus hedging (option premium drag), auto-filled with MTB's option-implied volatility.
Example: 5,000 MTB shares at $251.5 is a $1,257,500 position. A 30% drawdown costs $377,250; a 50% drawdown costs $628,750; a 70% drawdown costs $880,250. The calculator quantifies the trade-off between selling down (immediate capital-gains tax) and hedging (option premium drag) using MTB's option-implied volatility and your cost basis.
All M&T Bank tools → · Use the generic Stock Concentration Calculator for any company. Diversifying multiple RSU lots? See the lot-by-lot sell order →
M&T Bank equity questions
- How much MTB stock is too much?
- There is no single threshold, but the larger the share of your net worth in one stock, the more a single bad year can set back your plans. The calculator above quantifies the drawdown impact at 30, 50, and 70 percent for your MTB position and weighs selling down (which triggers capital-gains tax now) against hedging (which costs option premium).
- Does M&T Bank grant ISOs, NSOs, or RSUs?
- Equity compensation at M&T Bank typically takes the form of restricted stock units (RSUs). Restricted stock units are taxed as ordinary income when they vest.
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OptionsAhoy plans your M&T Bank equity alongside hedging, vesting, and de-concentration, across bullish, neutral, and bearish market scenarios. Free during beta.