The Young Professional's Guide to Tax-Efficient Investing
Erik James Roberts, Founder & CIO, Infinitus Wealth Management. Purple Heart recipient, Wharton MBA.
Updated September 20, 2026
Tax-efficient investing is the practice of arranging what you own, where you hold it, and when you sell it so that more of your return stays invested and compounding for you. For a young professional, it comes down to three decisions: which accounts to fund, which investments go in which account, and how long to hold what you buy. Get those three right early and the benefit builds quietly for decades.
This is one of the few drivers of long-term wealth that sits entirely in your control. Markets set prices. You set your savings rate, your account mix, and your holding periods. In my work as CIO, I see the same pattern again and again: the professionals who build the largest portfolios are rarely the ones who found a single great stock. They made a handful of smart structural decisions in their 20s and 30s and then let time do the work.
What Is Tax-Efficient Investing, and Why Does It Reward an Early Start?
Tax-efficient investing means measuring success by what you keep after taxes instead of what your statement shows before them. It rewards an early start because every dollar that stays invested keeps compounding, and compounding favors the investor with the longest runway. It is also one of the six pillars of how we manage money at Infinitus, described on our Tax-Efficient Investing page.
Consider a simple hypothetical. A professional invests $10,000 a year for 35 years. At a hypothetical 7% annual return with no tax drag, the account grows to roughly $1,382,000. If ongoing taxes reduce the effective return to 6%, the same contributions grow to roughly $1,114,000. One percentage point, applied patiently, is a difference of about $268,000.
These figures are hypothetical and for illustration only. They do not represent any actual portfolio or strategy and are not a projection of future results. Past performance is not indicative of future results.
The takeaway is encouraging. You do not need a higher-risk portfolio to reach a meaningfully larger number. You need structure, and structure is available to anyone with a paycheck and a plan.
Which Accounts Should a Young Professional Fund First in 2026?
Most young professionals have access to three tax-advantaged account types, and each has more room in 2026 than it did last year. A common funding sequence is: capture the full employer match, fund a health savings account if you are eligible, fund a Roth IRA, return to the 401(k), and then build a taxable brokerage account.
Here are the 2026 numbers:
401(k), 403(b), and similar workplace plans: the employee contribution limit rose to $24,500, up from $23,500 in 2025.
Traditional and Roth IRAs: the annual limit increased to $7,500 from $7,000.
Roth IRA income range: eligibility phases out between $153,000 and $168,000 for single filers, and between $242,000 and $252,000 for married couples filing jointly.
Health savings accounts: the limit is $4,400 with self-only coverage and $8,750 with family coverage, paired with a high-deductible health plan.
Add the 401(k), IRA, and self-only HSA limits together and a single professional has $36,400 of tax-advantaged capacity this year, before any employer match.
The sequence works for clear reasons. The employer match is money added on top of your own savings, so it comes first. The HSA is the only account with three tax benefits at once: contributions reduce taxable income, growth is untaxed, and withdrawals for qualified medical expenses are tax-free. Funded through payroll, a $4,400 HSA contribution saves a professional in the 24% bracket about $1,056 in federal income tax plus about $337 in Social Security and Medicare tax, roughly $1,393 for the year. Many HSAs allow the balance to be invested, which turns the account into a long-term asset. The Roth IRA adds flexibility, since direct contributions (not earnings) can be withdrawn at any time without tax or penalty.
Once those are funded, the taxable brokerage account becomes the workhorse. It has no contribution limit, no income limit, and no withdrawal age, and it is where security selection and holding periods do the most good.
One local advantage: Tennessee does not tax wages or investment income, so for Nashville professionals the federal rules in this guide are most of the picture.
Roth or Traditional: Which Is Better Early in Your Career?
Roth contributions tend to be most attractive when your tax bracket today is lower than the bracket you expect in retirement, which describes many professionals early in their careers. Traditional contributions become more valuable as your income and bracket rise, because the deduction is worth more. Holding some of each gives you flexibility later. Start by finding your bracket.
Rate | Single | Married filing jointly |
10% | up to $12,400 | up to $24,800 |
12% | over $12,400 | over $24,800 |
22% | over $50,400 | over $100,800 |
24% | over $105,700 | over $211,400 |
32% | over $201,775 | over $403,550 |
35% | over $256,225 | over $512,450 |
37% | over $640,600 | over $768,700 |
Source: IRS Rev. Proc. 2025-32. For 2026 the top rate remains 37% above $640,600 for single filers and $768,700 for joint filers, with the lower rates beginning at the thresholds shown, and the standard deduction is $16,100 for single filers and $32,200 for married couples filing jointly.
Brackets apply to taxable income, which is income after deductions. For a single filer taking the standard deduction with no other adjustments, the 22% bracket begins at roughly $66,500 of gross income, the 24% bracket at roughly $121,800, the 32% bracket at roughly $217,875, and the 35% bracket at roughly $272,325. For a married couple, those points are roughly $133,000, $243,600, $435,750, and $544,650. Pre-tax 401(k) and HSA contributions lower these figures further.
The logic from there is straightforward. A Roth dollar is taxed now and never again. A traditional dollar skips tax now and is taxed when withdrawn. A single professional earning $95,000 sits in the 22% bracket, and paying 22% today to secure decades of untaxed growth is an appealing trade. A single professional earning $240,000 sits in the 32% bracket, where the immediate deduction carries more weight. Maxing a traditional 401(k) at $24,500 reduces this year's federal tax by about $5,390 in the 22% bracket, $5,880 at 24%, $7,840 at 32%, and $8,575 at 35%. Many professionals shift toward traditional deferrals as they climb, while keeping Roth exposure through other routes.
Think of the three account types as three lanes on the same highway. The traditional lane collects its toll at the exit. The Roth lane collects at the entrance. The taxable lane collects small tolls along the way. Drivers with access to all three can choose the best lane each year of retirement.
If your income moves above the Roth IRA range, you still have options. A nondeductible traditional IRA contribution followed by a conversion, often called a backdoor Roth, is available at any income, though existing pre-tax IRA balances affect the math through the pro-rata rule. Roth conversions themselves have no income limit, a point we cover in depth in our guide to building a Roth conversion ladder in your 30s. Both moves deserve a conversation with a CPA first. If you do not have one, Infinitus can introduce you to a qualified tax professional.
What Is Asset Location, and How Does It Work?
Asset location is the practice of placing each investment in the account type where it is taxed most favorably. Asset allocation decides what you own. Asset location decides where you own it. The same portfolio, located well, can keep more of its return without any change in risk.
Account type | How it is taxed | What often fits well |
Taxable brokerage | Dividends and realized gains taxed each year, with favorable long-term rates | Long-term equity holdings, qualified-dividend payers, tax-exempt municipal bonds for higher brackets |
Traditional 401(k) / IRA | No tax until withdrawal, then ordinary rates | Taxable bonds and other interest-producing holdings, higher-turnover strategies |
Roth IRA / Roth 401(k) | Qualified withdrawals are tax-free | Holdings with the highest long-term growth potential |
The reasoning: bond interest is taxed at ordinary rates, so it benefits from shelter. Long-held equities already receive favorable treatment, so they are comfortable in a taxable account. Your highest-growth holdings belong where growth is never taxed. This is a core piece of tax-efficient investing, and it is easiest to set up while your accounts are still small and simple to arrange.
How Does the One-Year Holding Period Change Your Tax Rate?
Holding an investment for more than one year moves the gain from ordinary income rates to long-term capital gains rates of 0%, 15%, or 20%. For many professionals that single day on the calendar lowers the rate on a gain by a third or more.
For 2026, the 0% long-term rate applies up to $49,450 of taxable income for single filers and $98,900 for married couples filing jointly, and the 15% rate runs from there to $545,500 single and $613,700 joint, with 20% above. A 3.8% net investment income tax applies once modified adjusted gross income passes $200,000 for single filers or $250,000 for joint filers.
A quick illustration: a professional in the 24% bracket who realizes a $10,000 gain after 11 months owes about $2,400 in federal tax. After 12 months and a day, the rate is 15% and the tax is about $1,500. Same stock, same gain, $900 more kept. In the 32% bracket the decision is worth more: $3,200 versus $1,500, a difference of $1,700. The 3.8% net investment income tax applies to both versions once income passes the threshold, so the advantage of the longer holding period stays intact.
The 0% bracket also creates opportunities in lower-income years, such as a year in graduate school or between roles. A single filer with $30,000 of wages has $13,900 of taxable income after the standard deduction, which leaves room for about $35,550 of long-term gains at a 0% federal rate. Gains realized in that window reset cost basis higher at no federal tax cost. For a deeper look, see Capital Gains vs Ordinary Income in Investment Decisions.
Why Does Owning Individual Securities Give You More Tax Control?
When you own individual securities directly, you decide when each gain or loss is realized. That control is the engine of tax-efficient investing in a taxable account, and it is a central reason Infinitus builds every client a custom portfolio of directly owned companies and bonds.
You control the timing of gains. Pooled vehicles can distribute capital gains to every shareholder in a given year, including investors who never sold a share. With direct ownership, a gain is realized when you choose to realize it.
You can harvest at the position level. Even in a strong year for the market, some individual holdings will trade below their purchase price. Those positions can be sold to realize a loss that offsets gains elsewhere, and up to $3,000 of net losses can offset ordinary income each year. At a 24% rate that offset is worth about $720 a year, and unused losses carry forward indefinitely. The wash sale rule requires waiting 30 days before repurchasing the same or a substantially identical security, and a portfolio of individual companies offers many ways to stay invested in the meantime. Our article on tax-loss harvesting walks through the mechanics.
You can choose specific lots. When it is time to raise cash, selling the highest-cost shares first can reduce the taxable gain. Appreciated shares can also be given directly to charity, which can remove the embedded gain entirely.
At Infinitus, this is how the money is actually managed. We select from our 12 proprietary strategies based on each client's goals and risk tolerance to build one custom portfolio, with active oversight of holding periods, cost basis, and account placement. For clients in higher brackets, our Tax-Exempt Municipal Bond strategy can provide federally tax-free income inside a taxable account. To compare a tax-exempt yield with a taxable one, divide it by one minus your bracket. A hypothetical 3.50% municipal yield equals a taxable yield of about 4.61% in the 24% bracket, 5.15% in the 32% bracket, and 5.38% in the 35% bracket. Municipal interest is also outside the 3.8% net investment income tax. Yields shown are hypothetical and do not represent any specific bond or strategy.
How Should You Handle RSUs, Bonuses, and a Rising Income?
Restricted stock units are taxed as ordinary income on the day they vest, and the value at vesting becomes your cost basis. Selling at or near vest therefore creates little additional tax, which makes vesting dates a natural moment to diversify.
Two practical points help. First, employers typically withhold federal tax on RSUs and bonuses at a flat 22% supplemental rate. A $50,000 vest with 22% withheld sends $11,000 to the IRS. In the 24% bracket the actual tax is about $12,000, a $1,000 difference. In the 32% bracket it is about $16,000, a $5,000 difference. Knowing that number before the vest date lets you set the cash aside from the sale proceeds. Second, holding vested shares is economically the same as receiving a cash bonus and using it to buy your employer's stock. Asking "would I buy this much today?" is a clear way to decide how much to keep. Our page for corporate and young professionals covers equity compensation in more detail.
A Tax-Efficient Investing Checklist for Your 20s and 30s
Contribute enough to your workplace plan to receive the full employer match.
If you have a qualifying high-deductible health plan, fund the HSA and invest what you do not need for near-term expenses.
Fund a Roth IRA if your income is within the range, or ask a CPA about the backdoor route if it is above.
Find your 2026 bracket in the table above and revisit your Roth versus traditional split each time it changes.
Open a taxable brokerage account and build it with long-term holdings.
Place interest-producing holdings in tax-deferred accounts and your highest-growth holdings in Roth accounts.
Check the purchase date before selling anything at a gain.
Review the portfolio for harvestable losses throughout the year, not only in December.
Calculate the withholding gap on RSU vests and bonuses before they arrive.
Work with a CPA on your return and a fiduciary investment manager on the portfolio. If you need an introduction to a CPA or an estate planning attorney, we are glad to make one.
Frequently Asked Questions
Is a Roth IRA or a 401(k) better for a young professional?
They work best together. The 401(k) offers a much higher contribution limit and often an employer match, while the Roth IRA offers tax-free growth and flexible access to contributions. A common approach is to capture the match first, then fund the Roth IRA, then return to the 401(k).
How much can I contribute to retirement accounts in 2026?
The 2026 limits are $24,500 for a 401(k), $7,500 for an IRA, and $4,400 (self-only) or $8,750 (family) for an HSA. A single professional using all three has $36,400 of tax-advantaged capacity before any employer match.
What tax bracket am I in for 2026?
For a single filer, the 22% bracket begins at $50,400 of taxable income, the 24% bracket at $105,700, and the 32% bracket at $201,775. With the $16,100 standard deduction, those points correspond to roughly $66,500, $121,800, and $217,875 of gross income.
Do I pay taxes on stocks I have not sold?
No. An unrealized gain is not taxed. In a taxable account, you owe tax when you sell at a gain and on dividends received during the year. This is why direct ownership and patient holding periods are so useful in tax-efficient investing.
Can I still use a Roth if my income is above the limit?
Yes, in most cases. Roth 401(k) deferrals have no income limit, and many high earners can use a backdoor Roth IRA contribution. Roth conversions have no income limit. A CPA can confirm the right approach for your situation.
Does Tennessee tax investment income?
No. Tennessee does not tax wages, interest, dividends, or capital gains at the state level, so Tennessee residents focus on federal rules when making investment decisions.
Build Your Portfolio Around What You Keep
If you would like a custom portfolio designed with after-tax results in mind from the first purchase, start with an introductory conversation.
Disclosures. Infinitus Wealth Management is a registered investment adviser. Registration does not imply a certain level of skill or training. This article is for informational and educational purposes only and does not constitute individualized investment, tax, or legal advice, or an offer to buy or sell any security. Infinitus Wealth Management does not provide tax or legal advice. Tax laws, contribution limits, brackets, and income thresholds are complex and subject to change, and the figures cited reflect 2026 federal rules as of the date shown above. Consult a qualified CPA or tax attorney regarding your specific circumstances before implementing any strategy discussed here. All examples, calculations, yields, and charts are hypothetical, are provided for illustration only, do not represent any actual client or account, and do not reflect the deduction of advisory fees or other expenses. Hypothetical growth rates are assumptions, not predictions. Tax-loss harvesting and other tax management techniques may not be suitable for every investor and do not guarantee a reduced tax liability. Municipal bond income may be subject to state taxes and the alternative minimum tax. All investing involves risk, including the possible loss of principal. Past performance does not guarantee future results.
