In the video above, Grant Soliven, AIF®, Partner & Financial Advisor, and Aaron Rheaume, CKA®, Partner & Director of Financial Planning at Financial Enhancement Group, break down what an investment vehicle really is — and why the structure you use can be just as important as the investments inside it.
This article expands on that conversation. We’ll clarify the definition, explore the major types of investment vehicles, and explain what this means for retirees and those planning for retirement, especially from a tax and long-term planning perspective.
What Is an Investment Vehicle?
An investment vehicle is a structure used to hold investments.
It is not the investment itself.
For example:
- A stock is an investment.
- A mutual fund is an investment.
- A Roth IRA is an investment vehicle that holds investments.
- A 401(k) is an investment vehicle that holds investments.
As Aaron Rheaume, CKA®, explains in the video:
“The investment vehicle is really the container. It’s the structure that determines how the investment is taxed and how it’s accessed.”
That distinction matters.
Two investors could own the exact same mutual fund, but if one holds it inside a taxable brokerage account and the other holds it inside a Roth IRA, the tax outcome can be dramatically different.
For retirees and near-retirees, those differences are not academic. They directly impact how much income you keep.
Why Investment Vehicles Matter in Retirement
Many people focus on picking “the right investment.” But as Grant Soliven, AIF®, notes:
“It’s not just about what you own, it’s about where you own it.”
The vehicle affects:
- How your withdrawals are taxed
- When you must take money out
- Whether the account impacts Medicare premiums
- How Social Security benefits are taxed
- What your heirs receive
For retirement planning, the vehicle often determines outcomes just as much as the specific stock or fund.
Common Types of Investment Vehicles
Below are the primary investment vehicles retirees typically use.
Taxable Brokerage Accounts
These are standard investment accounts with no special tax shelter.
How they’re taxed:
- Dividends and interest are taxable annually
- Capital gains are taxed when investments are sold, or “realized”
Advantages:
- No required minimum distributions (RMDs)
- Flexible withdrawals with no age restrictions
- Favorable long-term capital gains tax rates
Considerations:
- Ongoing taxable income can push you into higher tax brackets
- Can increase Medicare IRMAA exposure
Traditional IRA
A tax-deferred retirement vehicle.
How they’re taxed:
- Contributions may be tax-deductible, depending on income
- Growth is tax-deferred
- Withdrawals are taxed as ordinary income
Key rule:
- Required Minimum Distributions (RMDs) begin at age 73 under current tax law
Traditional IRAs can create large taxable income spikes later in retirement if not managed carefully.
Roth IRA
A tax-free growth vehicle.
How they’re taxed:
- Contributions are after-tax
- Growth is tax-free
- Qualified withdrawals are tax-free
No RMDs during the owner’s lifetime.
For retirees managing long-term tax exposure, Roth accounts often provide planning flexibility.
401(k) and Employer Plans
Employer-sponsored retirement vehicles.
Function similarly to Traditional IRAs (unless designated Roth).
When you retire, these accounts can often be rolled into IRAs for greater flexibility.
Health Savings Accounts (HSAs)
Often overlooked as investment vehicles.
HSAs offer triple tax advantages:
- Tax-deductible contributions
- Tax-free growth
- Tax-free withdrawals for qualified medical expenses
For retirees, HSAs can help offset healthcare costs without increasing taxable income.
Trust Accounts
Trusts can function as investment vehicles for estate planning purposes.
They may:
- Control distribution timing
- Protect beneficiaries
- Offer estate tax benefits
However, trusts often have compressed tax brackets, meaning income retained inside the trust can be taxed at higher rates quickly.
The Same Investment, Different Outcome
Consider this example:
An investor owns a dividend-paying mutual fund.
If held in:
- A taxable account, dividends are taxed annually.
- A Traditional IRA, dividends are tax-deferred, but fully taxable upon withdrawal.
- A Roth IRA, dividends grow tax-free and can be withdrawn tax-free.
The investment hasn’t changed, but the vehicle has. And over time, that can mean tens of thousands of dollars.
What This Means for You
If you are approaching retirement, you likely have money across multiple vehicles, such as:
- A 401(k)
- An IRA
- A taxable brokerage account
- Possibly a Roth account
The question becomes: In what order should you withdraw?
Aaron Rheaume explains in the video that distribution sequencing matters because pulling from the wrong vehicle at the wrong time can unintentionally increase lifetime taxes.
This is where strategic planning comes in.
Strategic Planning Considerations
Below are the major planning ripple effects retirees must consider when choosing or using investment vehicles.
Tax Bracket Management
Withdrawals from Traditional IRAs and 401(k)s are taxed as ordinary income.
Large withdrawals can push you into higher brackets.
Why this matters:
Many families don’t have a reduction in taxable income in retirement, and often experience increases in their reitrement tax bill, especially if RMDs stack on top of other income later.
Strategic partial Roth conversions before RMD age can oftentimes reduce that increasing tax liability long-term..
Medicare IRMAA Exposure
If you are not careful, retirement income could trigger Related Monthly Adjustment Amount (IRMAA) surcharges on Medicare premiums.
Why this matters:
Not managing retirement income properly can increase Medicare premiums for an entire year, even if the income spike was temporary.
Social Security Taxation
Up to 85% of Social Security benefits can become taxable.
Investment vehicle distributions and annual income (Taxable Brokerage) directly affect this calculation.
Why this matters:
Poor sequencing can cause more of your Social Security benefits to be taxed than necessary.
Required Minimum Distributions (RMDs)
Traditional retirement vehicles require mandatory withdrawals beginning at age 73, under the current tax code.
Roth IRAs do not.
Why this matters:
If your tax-deferred accounts grow significantly, forced RMDs can push you into higher brackets later, even if you don’t need the income.
Investment Sequencing Risk
Drawing too heavily from one vehicle during market downturns can permanently damage portfolio sustainability.
Why this matters:
Coordinating withdrawals across vehicles to manage tax liability can reduce the long-term risk of running out of money.
Filing Status Changes
The death of a spouse changes filing status from married filing jointly to single.
Single filers reach higher tax brackets at lower income levels.
Why this matters:
The surviving spouse may face significantly higher tax rates on the same income in the year following the passing of a spouse. Making pre-death planning crucial.
Pre-Death Roth Conversion Planning
In some cases, converting portions of Traditional IRA funds to Roth while both spouses are alive may reduce long-term family taxes.
Why this matters:
Heirs often must withdraw inherited IRAs within 10 years under current law, accelerating taxes if not planned properly.
Emotional Decision-Making During Transition
Major life transitions — retirement, death of a spouse, health issues — can lead to reactive financial decisions.
Why this matters:
Investment vehicles determine access, tax treatment, and penalties. Decisions made under stress can have permanent tax consequences.
A Practical Framework for Retirees
When evaluating your investment vehicles, consider:
- What tax bracket am I in today?
- What bracket might I be in after RMDs begin?
- How much flexibility do I have between taxable, tax-deferred, and tax-free accounts?
- How will withdrawals impact Medicare and Social Security?
- What will my surviving spouse face?
This isn’t about chasing performance, but rather about coordinating structure.
As Grant Soliven notes:
“The right vehicle in the right place at the right time can change the outcome.”
Frequently Asked Questions
What is the simplest definition of an investment vehicle?
An investment vehicle is a financial structure used to hold investments. It determines how investments are taxed and accessed.
Is a mutual fund an investment vehicle?
No. A mutual fund is an investment. It can be held inside various investment vehicles like an IRA or brokerage account.
Is a 401(k) an investment vehicle?
Yes. A 401(k) is an employer-sponsored investment vehicle that holds investments like mutual funds or ETFs.
What is the difference between an investment and an investment vehicle?
An investment is the asset (stock, bond, fund). An investment vehicle is the account structure that holds it.
Are Roth IRAs better investment vehicles than Traditional IRAs?
It depends on your tax bracket now versus later. Roth accounts offer tax-free withdrawals but require paying taxes upfront.
Do investment vehicles affect Medicare premiums?
Yes. Withdrawals from tax-deferred accounts increase taxable income, which can trigger Medicare IRMAA surcharges.
Can the same investment be taxed differently?
Yes. The same mutual fund can be taxed annually in a brokerage account, tax-deferred in a Traditional IRA, or tax-free in a Roth IRA.
What happens to investment vehicles when someone dies?
Tax treatment changes. Beneficiaries often must withdraw inherited IRAs within 10 years under current law.
Do I have to take money out of all investment vehicles in retirement?
No. Only tax-deferred accounts like Traditional IRAs require RMDs. Roth IRAs and taxable brokerage accounts do not require lifetime distributions.
Should retirees consolidate investment vehicles?
It depends on their situation. Consolidation can simplify management, but tax consequences must be evaluated carefully.
A Thoughtful Next Step
Investment vehicles shape how much of your retirement income you actually keep.
The decisions around structure — when to withdraw, when to convert, how to coordinate accounts — can create long-term ripple effects that are difficult to reverse.
If you’re approaching retirement or already navigating these decisions, a fiduciary conversation can help bring clarity before you act.
At Financial Enhancement Group, we help retirees and pre-retirees evaluate not just what they own — but where they own it — so that tax exposure, Medicare impacts, and long-term sustainability are addressed together.
A short conversation today can prevent unintended consequences tomorrow.
Financial Enhancement Group is an SEC Registered Investment Advisor.
