FN vs. MPWR

Last updated Jun 4, 2026

FN (Fabrinet) and MPWR (Monolithic Power Systems, Inc.) are both stocks. Both are in the Technology sector — FN in Electronic Components, MPWR in Semiconductors. Over the past 10 years, FN returned 34.71%/yr vs 38.90%/yr for MPWR. At a 0.49 correlation, their price movements are largely independent.

Performance

FN vs. MPWR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fabrinet (FN) and Monolithic Power Systems, Inc. (MPWR). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FN achieves a 59.24% return, which is significantly lower than MPWR's 86.82% return. Over the past 10 years, FN has underperformed MPWR with an annualized return of 34.71%, while MPWR has yielded a comparatively higher 38.90% annualized return.

FN

• 1D: 3.41%
• 1M: 1.00%
• YTD: 59.24%
• 6M: 62.08%
• 1Y: 202.25%
• 3Y*: 84.79%
• 5Y*: 50.58%
• 10Y*: 34.71%

MPWR

• 1D: 3.99%
• 1M: 7.41%
• YTD: 86.82%
• 6M: 77.05%
• 1Y: 148.30%
• 3Y*: 51.50%
• 5Y*: 38.25%
• 10Y*: 38.90%

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

FN vs. MPWR - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FN Fabrinet	59.24%	107.06%	15.53%	48.44%	8.23%	52.69%	19.66%	26.37%	78.78%	-28.78%
MPWR Monolithic Power Systems, Inc.	86.82%	54.45%	-5.55%	79.78%	-27.78%	35.49%	107.49%	54.80%	4.49%	38.23%

Correlation

The correlation between FN and MPWR is 0.52, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.52
Correlation (3Y) Calculated over the trailing 3-year period	0.53
Correlation (5Y) Calculated over the trailing 5-year period	0.55
Correlation (10Y) Calculated over the trailing 10-year period	0.55
Correlation (All Time) Calculated using the full available price history since Jun 28, 2010	0.49

The correlation between FN and MPWR has been stable across timeframes, ranging from 0.49 to 0.55 - a consistent structural relationship.

Fundamentals

Market Cap FN : $26.26B MPWR : $83.21B
EPS FN : $11.65 MPWR : $13.89
PE Ratio FN : 62.25 MPWR : 121.65
PEG Ratio FN : 2.67 MPWR : 1.53
PS Ratio FN : 6.19 MPWR : 27.78
PB Ratio FN : 11.39 MPWR : 22.63
Total Revenue (TTM) FN : $4.24B MPWR : $2.96B
Gross Profit (TTM) FN : $509.75M MPWR : $1.63B
EBITDA (TTM) FN : $422.55M MPWR : $861.78M

Return for Risk

FN vs. MPWR — Risk / Return Rank

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

FN

FN Risk / Return Rank: 93
FN Sharpe Ratio Rank: 95
FN Sortino Ratio Rank: 88
FN Omega Ratio Rank: 88
FN Calmar Ratio Rank: 97
FN Martin Ratio Rank: 96

MPWR

MPWR Risk / Return Rank: 93
MPWR Sharpe Ratio Rank: 95
MPWR Sortino Ratio Rank: 92
MPWR Omega Ratio Rank: 90
MPWR Calmar Ratio Rank: 94
MPWR Martin Ratio Rank: 94

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.

FN vs. MPWR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fabrinet (FN) and Monolithic Power Systems, Inc. (MPWR). 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.

	FN	MPWR	Difference
Sharpe ratio: Return per unit of total volatility	3.12	3.22	-0.09
Sortino ratio: Return per unit of downside risk	3.07	3.59	-0.52
Omega ratio: Gain probability vs. loss probability	1.41	1.44	-0.03
Calmar ratio: Return relative to maximum drawdown	9.90	6.65	+3.26
Martin ratio: Return relative to average drawdown	24.13	17.87	+6.26
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FN vs. MPWR - Sharpe Ratio Comparison

The current FN Sharpe Ratio is 3.12, which is comparable to the MPWR Sharpe Ratio of 3.22. The chart below compares the historical Sharpe Ratios of FN and MPWR, 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

	FN	MPWR	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.12	3.22	-0.09
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.96	0.72	+0.23
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.72	0.83	-0.11
Sharpe Ratio (All Time) Calculated using the full available price history	0.61	0.59	+0.02

Drawdowns

FN vs. MPWR - Drawdown Comparison

The maximum FN drawdown since its inception was -70.46%, roughly equal to the maximum MPWR drawdown of -72.27%. Use the drawdown chart below to compare losses from any high point for FN and MPWR.

Drawdown Indicators

	FN	MPWR	Difference
Max Drawdown Largest peak-to-trough decline	-70.46%	-72.27%	+1.81%
Max Drawdown (1Y) Largest decline over 1 year	-20.55%	-22.45%	+1.90%
Max Drawdown (3Y) Largest decline over 3 years	-37.47%	-51.65%	+14.18%
Max Drawdown (5Y) Largest decline over 5 years	-38.70%	-51.65%	+12.95%
Max Drawdown (10Y) Largest decline over 10 years	-51.11%	-51.65%	+0.54%
Current Drawdown Current decline from peak	-2.88%	0.00%	-2.88%
Average Drawdown Average peak-to-trough decline	-22.59%	-17.72%	-4.87%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.42%	8.33%	+0.09%

Volatility

FN vs. MPWR - Volatility Comparison

Fabrinet (FN) has a higher volatility of 24.65% compared to Monolithic Power Systems, Inc. (MPWR) at 15.96%. This indicates that FN's price experiences larger fluctuations and is considered to be riskier than MPWR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FN	MPWR	Difference
Volatility (1M) Calculated over the trailing 1-month period	24.65%	15.96%	+8.69%
Volatility (6M) Calculated over the trailing 6-month period	54.16%	34.34%	+19.82%
Volatility (1Y) Calculated over the trailing 1-year period	65.29%	46.46%	+18.83%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	53.25%	53.16%	+0.09%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	48.08%	47.02%	+1.06%

Dividends

FN vs. MPWR - Dividend Comparison

FN has not paid dividends to shareholders, while MPWR's dividend yield for the trailing twelve months is around 0.40%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FN Fabrinet	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
MPWR Monolithic Power Systems, Inc.	0.40%	0.69%	0.85%	0.63%	0.85%	0.49%	0.55%	0.90%	1.03%	0.71%	0.98%	1.26%

Financials

FN vs. MPWR - Profitability Comparison

The chart below illustrates the profitability comparison between Fabrinet and Monolithic Power Systems, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

FN - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Fabrinet reported a gross profit of 144.34M and revenue of 1.21B. Therefore, the gross margin over that period was 11.9%.

MPWR - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Monolithic Power Systems, Inc. reported a gross profit of 445.07M and revenue of 804.19M. Therefore, the gross margin over that period was 55.3%.

FN - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Fabrinet reported an operating income of 120.04M and revenue of 1.21B, resulting in an operating margin of 9.9%.

MPWR - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Monolithic Power Systems, Inc. reported an operating income of 241.15M and revenue of 804.19M, resulting in an operating margin of 30.0%.

FN - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Fabrinet reported a net income of 128.18M and revenue of 1.21B, resulting in a net margin of 10.6%.

MPWR - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Monolithic Power Systems, Inc. reported a net income of 193.23M and revenue of 804.19M, resulting in a net margin of 24.0%.

Frequently Asked Questions

Can I hold both FN and MPWR in my portfolio?

FN and MPWR have a correlation of 0.52, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FN or MPWR?

FN has higher volatility (24.65%) compared to MPWR (15.96%). In terms of maximum drawdown, FN dropped -70.46% vs MPWR's -72.27%.

Which has better risk-adjusted returns?

MPWR currently has the higher Sharpe Ratio (3.21 vs 3.12), 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.