SEIC vs. ACLLY

Last updated Jun 13, 2026

SEIC (SEI Investments Company) and ACLLY (Accelleron Industries AG ADR) are both stocks. SEIC operates in Asset Management (Financial Services), while ACLLY operates in Aerospace & Defense (Industrials). Over the past 3 years, SEIC returned 16.45%/yr vs 60.93%/yr for ACLLY. At a 0.25 correlation, their price movements are largely independent.

Performance

SEIC vs. ACLLY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SEI Investments Company (SEIC) and Accelleron Industries AG ADR (ACLLY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SEIC achieves a 9.64% return, which is significantly lower than ACLLY's 23.08% 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%

ACLLY

• 1D: 0.25%
• 1M: -15.16%
• YTD: 23.08%
• 6M: 18.59%
• 1Y: 47.18%
• 3Y*: 60.93%
• 5Y*: —
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

SEIC vs. ACLLY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
SEIC SEI Investments Company	9.64%	0.63%	31.47%	10.59%	16.48%
ACLLY Accelleron Industries AG ADR	23.08%	56.70%	69.48%	60.55%	2.00%

Correlation

The correlation between SEIC and ACLLY is 0.12, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.12
Correlation (3Y) Calculated over the trailing 3-year period	0.22
Correlation (All Time) Calculated using the full available price history since Oct 4, 2022	0.25

The correlation between SEIC and ACLLY shifts across timeframes, from 0.12 (1 year) to 0.25 (all time), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap SEIC : $11.13B ACLLY : $8.84B
EPS SEIC : $5.85 ACLLY : $4.29
PE Ratio SEIC : 15.27 ACLLY : 21.96
PEG Ratio SEIC : 1.30 ACLLY : 1.15
PS Ratio SEIC : 4.76 ACLLY : 3.87
PB Ratio SEIC : 4.54 ACLLY : 18.52
Total Revenue (TTM) SEIC : $2.37B ACLLY : $2.28B
Gross Profit (TTM) SEIC : $925.04M ACLLY : $1.02B
EBITDA (TTM) SEIC : $928.43M ACLLY : $569.11M

Return for Risk

SEIC vs. ACLLY — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

SEIC

SEIC Risk / Return Rank: 51
SEIC Sharpe Ratio Rank: 55
SEIC Sortino Ratio Rank: 48
SEIC Omega Ratio Rank: 46
SEIC Calmar Ratio Rank: 53
SEIC Martin Ratio Rank: 52

ACLLY

ACLLY Risk / Return Rank: 79
ACLLY Sharpe Ratio Rank: 82
ACLLY Sortino Ratio Rank: 80
ACLLY Omega Ratio Rank: 79
ACLLY Calmar Ratio Rank: 80
ACLLY Martin Ratio Rank: 75

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

SEIC vs. ACLLY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SEI Investments Company (SEIC) and Accelleron Industries AG ADR (ACLLY). 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	ACLLY	Difference
Sharpe ratio: Return per unit of total volatility	0.34	1.46	-1.13
Sortino ratio: Return per unit of downside risk	0.65	2.21	-1.56
Omega ratio: Gain probability vs. loss probability	1.08	1.28	-0.20
Calmar ratio: Return relative to maximum drawdown	0.39	2.48	-2.09
Martin ratio: Return relative to average drawdown	0.75	4.60	-3.86

SEIC vs. ACLLY - Sharpe Ratio Comparison

The current SEIC Sharpe Ratio is 0.34, which is lower than the ACLLY Sharpe Ratio of 1.46. The chart below compares the historical Sharpe Ratios of SEIC and ACLLY, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

SEIC vs. ACLLY - Drawdown Comparison

The maximum SEIC drawdown since its inception was -71.17%, which is greater than ACLLY's maximum drawdown of -30.00%. Use the drawdown chart below to compare losses from any high point for SEIC and ACLLY.

Drawdown Indicators

	SEIC	ACLLY	Difference
Max Drawdown Largest peak-to-trough decline	-71.17%	-30.00%	-41.17%
Max Drawdown (1Y) Largest decline over 1 year	-19.36%	-19.13%	-0.23%
Max Drawdown (3Y) Largest decline over 3 years	-23.25%	-28.69%	+5.44%
Max Drawdown (5Y) Largest decline over 5 years	-26.00%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-51.78%	—	—
Current Drawdown Current decline from peak	-3.54%	-18.09%	+14.55%
Average Drawdown Average peak-to-trough decline	-21.17%	-5.81%	-15.36%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.04%	10.28%	-0.24%

Volatility

SEIC vs. ACLLY - Volatility Comparison

The current volatility for SEI Investments Company (SEIC) is 5.42%, while Accelleron Industries AG ADR (ACLLY) has a volatility of 7.38%. This indicates that SEIC experiences smaller price fluctuations and is considered to be less risky than ACLLY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SEIC	ACLLY	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.42%	7.38%	-1.96%
Volatility (6M) Calculated over the trailing 6-month period	18.58%	26.17%	-7.59%
Volatility (1Y) Calculated over the trailing 1-year period	22.41%	32.64%	-10.23%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.40%	41.04%	-18.64%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.79%	41.04%	-15.25%

Dividends

SEIC vs. ACLLY - Dividend Comparison

SEIC's dividend yield for the trailing twelve months is around 1.16%, less than ACLLY's 1.99% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ACLLY Accelleron Industries AG ADR	1.99%	1.94%	2.95%	4.04%	0.00%	0.00%	0.00%	0.00%	0.00%	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. ACLLY - Profitability Comparison

The chart below illustrates the profitability comparison between SEI Investments Company and Accelleron Industries AG ADR over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

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%.

ACLLY - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Accelleron Industries AG ADR reported a gross profit of 287.36M and revenue of 654.31M. Therefore, the gross margin over that period was 43.9%.

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%.

ACLLY - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Accelleron Industries AG ADR reported an operating income of 159.35M and revenue of 654.31M, resulting in an operating margin of 24.4%.

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%.

ACLLY - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Accelleron Industries AG ADR reported a net income of 123.09M and revenue of 654.31M, resulting in a net margin of 18.8%.

Frequently Asked Questions

Can I hold both SEIC and ACLLY in my portfolio?

SEIC and ACLLY have a correlation of 0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SEIC or ACLLY?

ACLLY has higher volatility (7.38%) compared to SEIC (5.42%). In terms of maximum drawdown, SEIC dropped -71.17% vs ACLLY's -30.00%.

Which has better risk-adjusted returns?

ACLLY currently has the higher Sharpe Ratio (1.46 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.