Retirement income
Investment portfolio diversification advisor
September 12, 2026
By Jamie Hargrave, Cadence Capital Investments
Investment portfolio diversification advisor
Retirement income
Learn how an investment portfolio diversification advisor helps manage concentration risk from company stock and uses asset allocation for a balanced retirem...
Holding a single large position in company stock often feels like a solid anchor until a sudden market shift threatens your planned retirement date. Concentration risk is what happens when a meaningful share of household net worth depends on one company's results.
This article covers how asset allocation works for a retirement portfolio, what concentration actually exposes you to, and how a position gets reduced without creating a tax problem in a single year.
• Allocation divides a portfolio among asset categories according to what the money has to do and when.
• Concentration risk exists regardless of how favorably the shares are taxed.
• Net Unrealized Appreciation can change the tax treatment of employer stock but is generally irreversible.
• Reducing a concentrated position is usually a multi-year exercise.
Asset allocation is how a portfolio is divided among stocks, bonds, and cash equivalents. Stocks represent ownership in a company. Bonds are loans to an issuer. Cash equivalents are liquid holdings such as money market funds.
The mix should reflect your spending timeline and your tolerance for fluctuation, which is how much movement you can carry without changing course at the wrong moment.
Stocks are generally held for growth and carry higher short-term volatility. Bonds and other fixed income holdings are generally held for stability and more predictable cash flow. The balance typically shifts as a retirement date approaches, though growth holdings usually remain because a long retirement still faces rising costs.
Market movement causes a portfolio to drift from its target. If stocks run, they eventually represent more of your wealth than you decided they should, which leaves more risk than you chose.
Rebalancing returns the portfolio toward its target, generally by trimming what has grown and adding to what has not. It keeps risk where it was intended to be. Rebalancing inside a taxable account can generate a tax event; work that through with your CPA.
All investing involves risk, including the possible loss of principal, and past performance is not indicative of future results.
Concentration risk is what you carry when one holding represents a large share of your wealth. It is common among people who spent a long career at one employer and accumulated stock along the way.
Advisers frequently use a rough threshold in the range of 5 to 10 percent of total wealth in a single position as the point where concentration warrants attention. That is a rule of thumb rather than a regulatory standard, and where the line sits for you depends on your other income, your timeline, and how much of your plan depends on that position holding its value.
The exposure is straightforward: if that one company has a difficult period at the same time you need the money, both problems arrive together. The stock that built the balance and the stock funding the retirement are the same stock.
NUA is a tax election for employer stock held inside a qualified plan. It applies ordinary income treatment to the cost basis, which is what was paid for the shares inside the plan, with the appreciation taxed at long-term capital gains rates when the shares are eventually sold.
The conditions are strict. The election generally requires a lump sum distribution of the entire vested balance within a single tax year, and the shares must move in kind to a taxable brokerage account. Rolling them into an IRA first forecloses the treatment.
Ordinary income tax on the cost basis is due in the year of the transfer, before any share is sold. A distribution before age 59 and a half may also be subject to the additional 10 percent tax on that basis portion, and the 3.8 percent Net Investment Income Tax may apply on a later sale.
The election is generally irreversible. It also requires holding the position to preserve the benefit, which means the tax question and the concentration question point in opposite directions. Both belong in the decision.
This is not tax advice. Work it through with your CPA before anything is submitted.
Selling everything in one year can push income into a higher bracket and trigger a larger tax bill than necessary. A staged approach spreads sales across tax years and coordinates them with your other income.
Where the position sits inside a plan, the sequence interacts with the rollover and NUA decisions, so the order matters. Work the schedule out with your CPA before the first sale rather than after.
Tax rules and IRS figures are subject to change; IRS.gov publishes current guidance.
A diversified portfolio still has to produce spendable cash. Income comes from dividends, which are distributions of company earnings; from interest; and from the structured sale of holdings.
Inflation reduces what a fixed amount buys over a twenty or thirty year retirement. A portfolio producing income today still needs holdings positioned for the long horizon, or the income buys less each year.
Insurance addresses risks a portfolio does not, including long-term care. An annuity is an insurance contract rather than an investment, and any guarantees are subject to the claims-paying ability of the issuing company. An affiliate may earn a commission on any insurance or annuity product recommended, which is disclosed before the recommendation.
Investment advisory services at Cadence Capital Investments are offered through Prosperity Financial, a Registered Investment Advisor, which acts in a fiduciary capacity for those advisory services. The firm is fee-based rather than fee-only, because an affiliate may earn commissions on certain products.
We work with households across the East Bay, many of whom hold employer stock accumulated over long careers. We coordinate with your CPA and attorney rather than around them; we do not provide tax or legal advice.
Plan provisions change. Confirm current terms with your plan administrator and your summary plan description before any election.
Advisers commonly flag positions above roughly 5 to 10 percent of total wealth as warranting attention. It is a rule of thumb, not a rule. What matters more is how much of your retirement depends on that position holding its value, and whether you would still be fine if it did not.
The objective shifts. Someone still working has time and future contributions to absorb a decline. Someone drawing income does not, and selling into a decline liquidates more shares for the same cash. The allocation generally moves toward stability for near-term spending while keeping growth holdings for the later years.
Many people do. The complications are usually tax rather than selection: which account to sell from, which tax year to recognize gains in, and whether an NUA election is on the table before a rollover forecloses it. Those interact, and some are one-time. This is not tax advice; consult your CPA.
A triggering event, a lump sum distribution of the entire vested balance within one tax year, and an in-kind transfer of the shares to a taxable account. Ordinary income tax on the cost basis is due in the year of transfer. It is generally irreversible and is not appropriate for everyone. Confirm the details with your plan administrator and your CPA.
Most portfolios combine stocks, bonds, and cash equivalents, sometimes with real estate or other categories. The aim is holding assets that do not all move in the same direction at the same time, which reduces the impact of any single position without eliminating market risk.
We meet quarterly, and a review is also warranted after any major life event. Regular reviews catch allocation drift before it becomes a risk level you did not choose.
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