The Evidence

Asset allocation drives outcomes.
So AEGISfo is built allocation-first.

Four decades of research point the same way: for a diversified portfolio, the asset-allocation decision - not stock picking - dominates long-term outcomes. So AEGISfo watches your allocation and its drift continuously.

Asset allocation ≈ 90%
≈10%
share of long-term return variabilitysecurity selection & timing
58%

Of family offices still run their portfolio on spreadsheets

Family Wealth Report 2024

~90%

For a diversified fund, roughly 90% of return variability over time is explained by its asset-allocation policy - confirmed across four decades and five countries.

Brinson, Hood & Beebower (1986, 1991) · Ibbotson & Kaplan (2000) · Vanguard (2017)

0 of 22

Zero of the 22 U.S. equity fund categories S&P tracks had a majority of active managers beat their benchmark over the 15 years to 2024 - the longer the horizon, the wider the shortfall.

S&P SPIVA U.S. Scorecard, Year-End 2024

~100%

Across investors, active bets net out to the market itself - minus costs. Allocation policy explains essentially all of the average portfolio’s return level.

Ibbotson & Kaplan (2000), Financial Analysts Journal

These studies measure return variability and average return levels for diversified portfolios - not a guarantee for any individual portfolio. Informational, not investment advice.