COO vs. LMAT

Last updated Jun 24, 2026

COO (The Cooper Companies, Inc.) and LMAT (LeMaitre Vascular, Inc.) are both stocks. Both operate in the Medical Instruments & Supplies industry within the Healthcare sector. Over the past 10 years, COO returned 4.74%/yr vs 21.54%/yr for LMAT. At a 0.22 correlation, their price movements are largely independent.

Performance

COO vs. LMAT - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in The Cooper Companies, Inc. (COO) and LeMaitre Vascular, Inc. (LMAT). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, COO achieves a -19.29% return, which is significantly lower than LMAT's 13.92% return. Over the past 10 years, COO has underperformed LMAT with an annualized return of 4.74%, while LMAT has yielded a comparatively higher 21.54% annualized return.

COO

• 1D: 1.12%
• 1M: 5.76%
• YTD: -19.29%
• 6M: -20.19%
• 1Y: -4.85%
• 3Y*: -10.79%
• 5Y*: -7.49%
• 10Y*: 4.74%

LMAT

• 1D: 3.77%
• 1M: -5.93%
• YTD: 13.92%
• 6M: 10.03%
• 1Y: 11.29%
• 3Y*: 11.56%
• 5Y*: 9.15%
• 10Y*: 21.54%

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

COO vs. LMAT - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
COO The Cooper Companies, Inc.	-19.29%	-10.85%	-2.83%	14.47%	-21.06%	15.33%	13.10%	26.27%	16.84%	24.59%
LMAT LeMaitre Vascular, Inc.	13.92%	-10.95%	63.63%	24.60%	-7.40%	25.10%	14.09%	53.77%	-25.13%	26.58%

Correlation

The correlation between COO and LMAT is 0.42, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.42
Correlation (3Y) Calculated over the trailing 3-year period	0.38
Correlation (5Y) Calculated over the trailing 5-year period	0.44
Correlation (10Y) Calculated over the trailing 10-year period	0.35
Correlation (All Time) Calculated using the full available price history since Oct 19, 2006	0.22

Over the past year, COO and LMAT have become more correlated (0.42) than their long-term average of 0.22, meaning their price movements have been converging.

Fundamentals

Market Cap COO : $12.90B LMAT : $2.12B
EPS COO : $1.19 LMAT : $2.68
PE Ratio COO : 55.43 LMAT : 34.36
PS Ratio COO : 3.09 LMAT : 8.37
PB Ratio COO : 1.57 LMAT : 5.21
Total Revenue (TTM) COO : $4.23B LMAT : $256.28M
Gross Profit (TTM) COO : $2.72B LMAT : $185.52M
EBITDA (TTM) COO : $669.70M LMAT : $90.48M

Return for Risk

COO vs. LMAT — Risk / Return Rank

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

COO

COO Risk / Return Rank: 35
COO Sharpe Ratio Rank: 36
COO Sortino Ratio Rank: 31
COO Omega Ratio Rank: 31
COO Calmar Ratio Rank: 38
COO Martin Ratio Rank: 36

LMAT

LMAT Risk / Return Rank: 53
LMAT Sharpe Ratio Rank: 54
LMAT Sortino Ratio Rank: 52
LMAT Omega Ratio Rank: 50
LMAT Calmar Ratio Rank: 54
LMAT Martin Ratio Rank: 54

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.

COO vs. LMAT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for The Cooper Companies, Inc. (COO) and LeMaitre Vascular, Inc. (LMAT). 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.

	COO	LMAT	Difference
Sharpe ratio: Return per unit of total volatility	-0.16	0.30	-0.46
Sortino ratio: Return per unit of downside risk	-0.01	0.84	-0.85
Omega ratio: Gain probability vs. loss probability	1.00	1.10	-0.10
Calmar ratio: Return relative to maximum drawdown	-0.16	0.47	-0.63
Martin ratio: Return relative to average drawdown	-0.37	0.97	-1.34

COO vs. LMAT - Sharpe Ratio Comparison

The current COO Sharpe Ratio is -0.16, which is lower than the LMAT Sharpe Ratio of 0.30. The chart below compares the historical Sharpe Ratios of COO and LMAT, 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

COO vs. LMAT - Drawdown Comparison

The maximum COO drawdown since its inception was -98.88%, which is greater than LMAT's maximum drawdown of -75.69%. Use the drawdown chart below to compare losses from any high point for COO and LMAT.

Drawdown Indicators

	COO	LMAT	Difference
Max Drawdown Largest peak-to-trough decline	-98.88%	-75.69%	-23.19%
Max Drawdown (1Y) Largest decline over 1 year	-30.05%	-24.33%	-5.72%
Max Drawdown (3Y) Largest decline over 3 years	-46.97%	-33.32%	-13.65%
Max Drawdown (5Y) Largest decline over 5 years	-48.24%	-37.93%	-10.31%
Max Drawdown (10Y) Largest decline over 10 years	-48.24%	-47.65%	-0.59%
Current Drawdown Current decline from peak	-41.94%	-21.48%	-20.46%
Average Drawdown Average peak-to-trough decline	-40.56%	-18.96%	-21.60%
Ulcer Index Depth and duration of drawdowns from previous peaks	13.07%	11.63%	+1.44%

Volatility

COO vs. LMAT - Volatility Comparison

The Cooper Companies, Inc. (COO) and LeMaitre Vascular, Inc. (LMAT) have volatilities of 10.82% and 10.67%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	COO	LMAT	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.82%	10.67%	+0.15%
Volatility (6M) Calculated over the trailing 6-month period	18.34%	30.31%	-11.97%
Volatility (1Y) Calculated over the trailing 1-year period	30.45%	37.36%	-6.91%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	29.19%	36.50%	-7.31%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.88%	41.51%	-13.63%

Dividends

COO vs. LMAT - Dividend Comparison

COO has not paid dividends to shareholders, while LMAT's dividend yield for the trailing twelve months is around 0.98%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COO The Cooper Companies, Inc.	0.00%	0.00%	0.00%	0.02%	0.02%	0.01%	0.02%	0.02%	0.02%	0.03%	0.03%	0.04%
LMAT LeMaitre Vascular, Inc.	0.98%	1.23%	0.69%	0.99%	1.09%	0.88%	0.94%	0.95%	1.18%	0.69%	0.71%	0.93%

Financials

COO vs. LMAT - Profitability Comparison

The chart below illustrates the profitability comparison between The Cooper Companies, Inc. and LeMaitre Vascular, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

COO - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, The Cooper Companies, Inc. reported a gross profit of 735.40M and revenue of 1.08B. Therefore, the gross margin over that period was 68.0%.

LMAT - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, LeMaitre Vascular, Inc. reported a gross profit of 48.40M and revenue of 66.55M. Therefore, the gross margin over that period was 72.7%.

COO - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, The Cooper Companies, Inc. reported an operating income of -31.00M and revenue of 1.08B, resulting in an operating margin of -2.9%.

LMAT - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, LeMaitre Vascular, Inc. reported an operating income of 17.78M and revenue of 66.55M, resulting in an operating margin of 26.7%.

COO - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, The Cooper Companies, Inc. reported a net income of -77.90M and revenue of 1.08B, resulting in a net margin of -7.2%.

LMAT - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, LeMaitre Vascular, Inc. reported a net income of 15.68M and revenue of 66.55M, resulting in a net margin of 23.6%.

Frequently Asked Questions

Can I hold both COO and LMAT in my portfolio?

COO and LMAT have a correlation of 0.42, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, COO or LMAT?

COO has higher volatility (10.82%) compared to LMAT (10.67%). In terms of maximum drawdown, COO dropped -98.88% vs LMAT's -75.69%.

Which has better risk-adjusted returns?

LMAT currently has the higher Sharpe Ratio (0.30 vs -0.16), 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.