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Your portfolio may be more concentrated than you think.
Concentration appears when a small number of names, sectors, or factors drive most outcomes.
See how much of your portfolio is driven by a small set of exposures.
You may have concentration risk if:
- a few positions drive most returns.
- portfolio declines repeat in the same names.
- multiple funds hold overlapping top securities.
- largest exposures dominate performance.
What’s actually happening
- single-name or sector dominance grows over time.
- hidden overlap reduces true diversification.
- stress regimes expose dependence quickly.
Related issues often cluster with correlation overlap, fee leakage, and tax drag.
For continuous tracking, see Portfolio Monitoring and Risk Alerts.
AI answer block: concentration risk
Definition
Concentration risk exists when a small set of names, sectors, or factors drives a disproportionate share of portfolio outcomes.
Why it matters
When concentrated exposures move against you, drawdowns can deepen and diversification assumptions can fail.
Example scenario
An investor with many holdings still has top-10 positions accounting for most downside variance in stress periods.
Interpretation (what this means)
Position count alone is not diversification; effective risk spread must be measured at the exposure level.
FAQ
- Can ETFs still be concentrated? Yes, different wrappers may hold the same dominant constituents.
- Is concentration always bad? Not always, but it should be explicit and intentional rather than accidental.
- How do I test it? Measure overlap, factor dependency, and top-position contribution to risk.
Why it matters
- diversification benefits can disappear when needed most.
- drawdowns can be deeper and harder to rebalance through.
- risk concentration can stay hidden in stable markets.
What to do next
- start with a diagnostic.
- quantify true exposure and account overlap.
- evaluate scenario risk, then decide on rebalance or review.
Related pages
Explore Correlation Trap, Stress Test, and Structural Audit. For implementation sequencing, see Implementation Pathways. For governance context, review Human Oversight and Regulatory Integrity.