LRCX vs. SEI

Last updated Jun 9, 2026

LRCX (Lam Research Corporation) and SEI (Solaris Energy Infrastructure, Inc) are both stocks. LRCX operates in Semiconductor Equipment & Materials (Technology), while SEI operates in Oil & Gas Equipment & Services (Energy). Over the past 5 years, LRCX returned 40.10%/yr vs 52.77%/yr for SEI. At a 0.28 correlation, their price movements are largely independent.

Performance

LRCX vs. SEI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Lam Research Corporation (LRCX) and Solaris Energy Infrastructure, Inc (SEI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LRCX achieves a 89.76% return, which is significantly higher than SEI's 57.74% return.

LRCX

• 1D: 6.98%
• 1M: 10.34%
• YTD: 89.76%
• 6M: 99.61%
• 1Y: 278.49%
• 3Y*: 76.58%
• 5Y*: 40.10%
• 10Y*: 46.35%

SEI

• 1D: 4.06%
• 1M: -0.85%
• YTD: 57.74%
• 6M: 35.54%
• 1Y: 143.14%
• 3Y*: 111.29%
• 5Y*: 52.77%
• 10Y*: —

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

LRCX vs. SEI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
LRCX Lam Research Corporation	89.76%	139.16%	-6.84%	88.63%	-40.72%	53.66%	64.18%	119.33%	-24.40%	24.08%
SEI Solaris Energy Infrastructure, Inc	57.74%	62.29%	277.66%	-15.75%	57.46%	-15.55%	-38.09%	19.10%	-43.06%	85.37%

Correlation

The correlation between LRCX and SEI is 0.44, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.44
Correlation (3Y) Calculated over the trailing 3-year period	0.30
Correlation (5Y) Calculated over the trailing 5-year period	0.28
Correlation (All Time) Calculated using the full available price history since May 15, 2017	0.28

The correlation between LRCX and SEI shifts across timeframes, from 0.28 (5 years) to 0.44 (1 year), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap LRCX : $409.71B SEI : $3.57B
EPS LRCX : $5.29 SEI : $1.03
PE Ratio LRCX : 61.36 SEI : 70.43
PS Ratio LRCX : 18.98 SEI : 4.71
PB Ratio LRCX : 38.71 SEI : 4.58
Total Revenue (TTM) LRCX : $21.68B SEI : $692.11M
Gross Profit (TTM) LRCX : $10.84B SEI : $235.28M
EBITDA (TTM) LRCX : $6.10B SEI : $249.65M

Return for Risk

LRCX vs. SEI — Risk / Return Rank

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

LRCX

LRCX Risk / Return Rank: 98
LRCX Sharpe Ratio Rank: 99
LRCX Sortino Ratio Rank: 97
LRCX Omega Ratio Rank: 96
LRCX Calmar Ratio Rank: 99
LRCX Martin Ratio Rank: 99

SEI

SEI Risk / Return Rank: 88
SEI Sharpe Ratio Rank: 89
SEI Sortino Ratio Rank: 83
SEI Omega Ratio Rank: 81
SEI Calmar Ratio Rank: 93
SEI Martin Ratio Rank: 92

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.

LRCX vs. SEI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Lam Research Corporation (LRCX) and Solaris Energy Infrastructure, Inc (SEI). 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.

	LRCX	SEI	Difference
Sharpe ratio: Return per unit of total volatility	5.46	1.96	+3.50
Sortino ratio: Return per unit of downside risk	4.54	2.45	+2.09
Omega ratio: Gain probability vs. loss probability	1.60	1.30	+0.30
Calmar ratio: Return relative to maximum drawdown	14.02	5.45	+8.57
Martin ratio: Return relative to average drawdown	47.19	13.72	+33.46
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

LRCX vs. SEI - Sharpe Ratio Comparison

The current LRCX Sharpe Ratio is 5.46, which is higher than the SEI Sharpe Ratio of 1.96. The chart below compares the historical Sharpe Ratios of LRCX and SEI, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	LRCX	SEI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	5.46	1.96	+3.50
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.87	0.80	+0.07
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	1.04	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.43	0.43	0.00

Drawdowns

LRCX vs. SEI - Drawdown Comparison

The maximum LRCX drawdown since its inception was -87.90%, which is greater than SEI's maximum drawdown of -79.49%. Use the drawdown chart below to compare losses from any high point for LRCX and SEI.

Drawdown Indicators

	LRCX	SEI	Difference
Max Drawdown Largest peak-to-trough decline	-87.90%	-79.49%	-8.41%
Max Drawdown (1Y) Largest decline over 1 year	-20.01%	-26.43%	+6.42%
Max Drawdown (3Y) Largest decline over 3 years	-47.10%	-55.37%	+8.27%
Max Drawdown (5Y) Largest decline over 5 years	-56.39%	-55.37%	-1.02%
Max Drawdown (10Y) Largest decline over 10 years	-56.39%	—	—
Current Drawdown Current decline from peak	-5.60%	-7.95%	+2.35%
Average Drawdown Average peak-to-trough decline	-28.18%	-38.65%	+10.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.93%	10.55%	-4.62%

Volatility

LRCX vs. SEI - Volatility Comparison

Lam Research Corporation (LRCX) has a higher volatility of 18.51% compared to Solaris Energy Infrastructure, Inc (SEI) at 17.54%. This indicates that LRCX's price experiences larger fluctuations and is considered to be riskier than SEI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LRCX	SEI	Difference
Volatility (1M) Calculated over the trailing 1-month period	18.51%	17.54%	+0.97%
Volatility (6M) Calculated over the trailing 6-month period	42.13%	51.78%	-9.65%
Volatility (1Y) Calculated over the trailing 1-year period	51.52%	73.80%	-22.28%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	46.25%	66.56%	-20.31%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	44.76%	62.17%	-17.41%

Dividends

LRCX vs. SEI - Dividend Comparison

LRCX's dividend yield for the trailing twelve months is around 0.31%, less than SEI's 0.66% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
LRCX Lam Research Corporation	0.31%	0.57%	1.19%	0.95%	1.53%	0.78%	1.04%	1.54%	2.79%	1.01%	1.28%	1.36%
SEI Solaris Energy Infrastructure, Inc	0.66%	1.04%	1.67%	5.65%	4.23%	6.41%	5.16%	2.89%	0.83%	0.00%	0.00%	0.00%

Financials

LRCX vs. SEI - Profitability Comparison

The chart below illustrates the profitability comparison between Lam Research Corporation and Solaris Energy Infrastructure, Inc over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

LRCX - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Lam Research Corporation reported a gross profit of 2.91B and revenue of 5.84B. Therefore, the gross margin over that period was 49.8%.

SEI - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Solaris Energy Infrastructure, Inc reported a gross profit of 72.72M and revenue of 196.24M. Therefore, the gross margin over that period was 37.1%.

LRCX - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Lam Research Corporation reported an operating income of 2.05B and revenue of 5.84B, resulting in an operating margin of 35.0%.

SEI - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Solaris Energy Infrastructure, Inc reported an operating income of 50.56M and revenue of 196.24M, resulting in an operating margin of 25.8%.

LRCX - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Lam Research Corporation reported a net income of 1.83B and revenue of 5.84B, resulting in a net margin of 31.3%.

SEI - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Solaris Energy Infrastructure, Inc reported a net income of 21.44M and revenue of 196.24M, resulting in a net margin of 10.9%.

Frequently Asked Questions

Can I hold both LRCX and SEI in my portfolio?

LRCX and SEI have a correlation of 0.44, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LRCX or SEI?

LRCX has higher volatility (18.51%) compared to SEI (17.54%). In terms of maximum drawdown, LRCX dropped -87.90% vs SEI's -79.49%.

Which has better risk-adjusted returns?

LRCX currently has the higher Sharpe Ratio (5.46 vs 1.96), 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.