Updated July 2026 · 8 min read
Financial Disclaimer: This article is general educational information, not individualized financial, tax, or investment advice. Everyone's situation differs. Consult a fiduciary advisor or a tax professional before making decisions with real money.
Nurses agonize over which fund to pick inside the 403(b) menu. The research says that's the wrong worry: the split between stocks and bonds — your asset allocation — drives the overwhelming majority of your portfolio's behavior. Get that one decision roughly right and stick to it, and the fund-picking details barely move the needle. Here's how to make the decision like an adult and then leave it alone.
Your stock percentage sets your growth engine and your pain level. Stocks are where long-run returns come from, and also where 30–50% temporary drawdowns come from. Bonds return less but fall less, and they're the dry powder you rebalance from when stocks go on sale. The allocation decision is really one question: how much temporary decline can you watch without selling? Because selling in the crash — not picking the "wrong" index fund — is how portfolios actually get wrecked.
Two different things masquerade as one. Risk tolerance is psychological: how you behaved in the last real drawdown, not how you think you'd behave. Risk capacity is structural: how much risk your life can absorb. A 26-year-old ICU nurse with 35 working years ahead has enormous capacity; a 61-year-old planning to retire at 63 does not, no matter how calm she feels. Your allocation should satisfy the lower of the two.
The practical consequence: a nurse with a secure job, an emergency fund, and possibly a pension accruing in the background can reasonably run a more stock-heavy allocation than a generic rule of thumb suggests — the steady paycheck and pension are already the "safe" part of the balance sheet. The reverse also holds: a travel nurse between contracts, or a nurse whose household depends on one variable income, has less capacity than the age-based tables imply.
| Life stage | Reasonable range (stocks/bonds) | Why |
|---|---|---|
| New grad – 30s | 90/10 – 80/20 | Decades of contributions ahead; crashes are buying opportunities |
| 40s | 80/20 – 70/30 | Balance still growing, but the pile is big enough that drawdowns hurt |
| 50s | 70/30 – 60/40 | Sequence-of-returns risk approaching; protect the retirement date |
| Within ~5 years of retiring | 60/40 – 50/50 | A crash at the start of withdrawals is the scenario to defuse |
Old formulas like "110 minus your age in stocks" land inside these ranges and are fine as starting points. Two honest adjustments: if you watched your balance in a real crash and felt nothing, you can sit at the aggressive end; if you checked it daily and lost sleep, move 10–20 points toward bonds. An allocation you can hold through a bad year beats a theoretically optimal one you'll abandon. If you'd rather not manage the glide path yourself, a target-date fund automates exactly this.
Most nurses' money is scattered: a 403(b) here, an old 401(k) from a previous hospital, a Roth IRA, maybe a taxable brokerage account. Your allocation applies to the total, not to each account separately. Add everything up, set the overall split, then place assets tax-intelligently: bonds and other tax-inefficient holdings inside the 403(b)/traditional accounts, your highest-growth stock funds in the Roth (where growth is never taxed), and broad stock index funds in taxable. Each account can look lopsided on its own; only the combined picture has to match your target. A three-fund portfolio spread across accounts this way is the classic implementation.
Rebalancing forces the behavior everyone claims they'll do and almost nobody does: selling what just ran up and buying what just fell. In tax-advantaged accounts it's free; in taxable, prefer redirecting new contributions and reinvested dividends toward the underweight asset instead of selling. During a crash, rebalancing into stocks will feel wrong. That feeling is the mechanism working.
Related: The three-fund portfolio, Target-date funds, Dollar-cost averaging, and Your nurse FIRE number.
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