SEIC vs. AAMI
SEIC (SEI Investments Company) and AAMI (Acadian Asset Management Inc) are both stocks. Both operate in the Asset Management industry within the Financial Services sector. Over the past 5 years, SEIC returned 8.80%/yr vs 28.42%/yr for AAMI. At a 0.50 correlation, their price movements are largely independent.
Performance
SEIC vs. AAMI - Performance Comparison
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Returns By Period
In the year-to-date period, SEIC achieves a 9.64% return, which is significantly lower than AAMI's 67.66% return.
SEIC
- 1D
- 1.42%
- 1M
- -2.51%
- YTD
- 9.64%
- 6M
- 9.01%
- 1Y
- 7.48%
- 3Y*
- 16.45%
- 5Y*
- 8.80%
- 10Y*
- 7.60%
AAMI
- 1D
- 1.21%
- 1M
- 11.99%
- YTD
- 67.66%
- 6M
- 65.23%
- 1Y
- 148.44%
- 3Y*
- 52.17%
- 5Y*
- 28.42%
- 10Y*
- —
SEIC vs. AAMI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
SEIC SEI Investments Company | 9.64% | 0.63% | 31.47% | 10.59% | -2.94% | 7.38% | -11.10% | 43.35% | -35.59% |
AAMI Acadian Asset Management Inc | 67.66% | 78.64% | 37.70% | -6.72% | -19.45% | 33.00% | 93.85% | -0.80% | -30.71% |
Correlation
The correlation between SEIC and AAMI is 0.40, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.40 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.43 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.50 |
Correlation (All Time) Calculated using the full available price history since Mar 26, 2018 | 0.50 |
The correlation between SEIC and AAMI shifts across timeframes, from 0.40 (1 year) to 0.50 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
SEIC:
$11.13B
AAMI:
$2.81B
SEIC:
$5.85
AAMI:
$2.35
SEIC:
15.27
AAMI:
33.42
SEIC:
4.76
AAMI:
4.39
SEIC:
4.54
AAMI:
36.28
SEIC:
$2.37B
AAMI:
$641.50M
SEIC:
$925.04M
AAMI:
$652.90M
SEIC:
$928.43M
AAMI:
$185.00M
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Return for Risk
SEIC vs. AAMI — Risk / Return Rank
SEIC
AAMI
SEIC vs. AAMI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SEI Investments Company (SEIC) and Acadian Asset Management Inc (AAMI). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| SEIC | AAMI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -3.40 | ||
| Sortino ratioReturn per unit of downside risk | -3.02 | ||
| Omega ratioGain probability vs. loss probability | 1.08 | 1.55 | -0.48 |
| Calmar ratioReturn relative to maximum drawdown | 0.39 | 8.21 | -7.82 |
| Martin ratioReturn relative to average drawdown | 0.75 | 22.26 | -21.51 |
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Drawdowns
SEIC vs. AAMI - Drawdown Comparison
The maximum SEIC drawdown since its inception was -71.17%, smaller than the maximum AAMI drawdown of -75.23%. Use the drawdown chart below to compare losses from any high point for SEIC and AAMI.
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Drawdown Indicators
| SEIC | AAMI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -71.17% | -75.23% | +4.06% |
Max Drawdown (1Y)Largest decline over 1 year | -19.36% | -18.20% | -1.16% |
Max Drawdown (3Y)Largest decline over 3 years | -23.25% | -31.52% | +8.27% |
Max Drawdown (5Y)Largest decline over 5 years | -26.00% | -51.45% | +25.45% |
Max Drawdown (10Y)Largest decline over 10 years | -51.78% | — | — |
Current DrawdownCurrent decline from peak | -3.54% | 0.00% | -3.54% |
Average DrawdownAverage peak-to-trough decline | -21.17% | -20.62% | -0.55% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 10.04% | 6.70% | +3.34% |
Volatility
SEIC vs. AAMI - Volatility Comparison
The current volatility for SEI Investments Company (SEIC) is 5.42%, while Acadian Asset Management Inc (AAMI) has a volatility of 11.53%. This indicates that SEIC experiences smaller price fluctuations and is considered to be less risky than AAMI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SEIC | AAMI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.42% | 11.53% | -6.11% |
Volatility (6M)Calculated over the trailing 6-month period | 18.58% | 26.79% | -8.21% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.41% | 39.95% | -17.54% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.40% | 34.69% | -12.29% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 25.79% | 42.10% | -16.31% |
Dividends
SEIC vs. AAMI - Dividend Comparison
SEIC's dividend yield for the trailing twelve months is around 1.16%, more than AAMI's 0.29% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AAMI Acadian Asset Management Inc | 0.29% | 0.09% | 0.15% | 0.21% | 0.19% | 0.16% | 1.19% | 3.91% | 2.81% | 0.00% | 0.00% | 0.00% |
SEIC SEI Investments Company | 1.16% | 1.23% | 1.15% | 1.40% | 1.42% | 1.26% | 1.25% | 1.04% | 1.36% | 0.81% | 1.09% | 0.95% |
Financials
SEIC vs. AAMI - Financials Comparison
This section allows you to compare key financial metrics between SEI Investments Company and Acadian Asset Management Inc. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
SEIC vs. AAMI - Profitability Comparison
SEIC - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, SEI Investments Company reported a gross profit of 0.00 and revenue of 622.18M. Therefore, the gross margin over that period was 0.0%.
AAMI - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Acadian Asset Management Inc reported a gross profit of 159.30M and revenue of 167.10M. Therefore, the gross margin over that period was 95.3%.
SEIC - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, SEI Investments Company reported an operating income of 189.49M and revenue of 622.18M, resulting in an operating margin of 30.5%.
AAMI - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Acadian Asset Management Inc reported an operating income of 42.00M and revenue of 167.10M, resulting in an operating margin of 25.1%.
SEIC - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, SEI Investments Company reported a net income of 174.49M and revenue of 622.18M, resulting in a net margin of 28.0%.
AAMI - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Acadian Asset Management Inc reported a net income of 24.30M and revenue of 167.10M, resulting in a net margin of 14.5%.
Frequently Asked Questions
SEIC and AAMI have a correlation of 0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AAMI has higher volatility (11.53%) compared to SEIC (5.42%). In terms of maximum drawdown, SEIC dropped -71.17% vs AAMI's -75.23%.
AAMI currently has the higher Sharpe Ratio (3.74 vs 0.34), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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