GD vs. TMO

Last updated Jun 9, 2026

GD (General Dynamics Corporation) and TMO (Thermo Fisher Scientific Inc.) are both stocks. Over the past 10 years, GD returned 11.59%/yr vs 12.28%/yr for TMO. At a 0.29 correlation, their price movements are largely independent.

Performance

GD vs. TMO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in General Dynamics Corporation (GD) and Thermo Fisher Scientific Inc. (TMO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, GD achieves a 2.13% return, which is significantly higher than TMO's -18.87% return. Over the past 10 years, GD has underperformed TMO with an annualized return of 11.59%, while TMO has yielded a comparatively higher 12.28% annualized return.

GD

• 1D: -1.61%
• 1M: -1.64%
• YTD: 2.13%
• 6M: 2.33%
• 1Y: 25.55%
• 3Y*: 19.52%
• 5Y*: 14.60%
• 10Y*: 11.59%

TMO

• 1D: -0.67%
• 1M: 1.00%
• YTD: -18.87%
• 6M: -17.21%
• 1Y: 17.28%
• 3Y*: -2.93%
• 5Y*: 1.21%
• 10Y*: 12.28%

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

GD vs. TMO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GD General Dynamics Corporation	2.13%	30.39%	3.52%	7.13%	21.69%	43.77%	-13.14%	14.80%	-21.34%	19.85%
TMO Thermo Fisher Scientific Inc.	-18.87%	11.78%	-1.72%	-3.36%	-17.29%	43.54%	43.72%	45.55%	18.21%	35.03%

Correlation

The correlation between GD and TMO is 0.32, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.32
Correlation (3Y) Calculated over the trailing 3-year period	0.32
Correlation (5Y) Calculated over the trailing 5-year period	0.32
Correlation (10Y) Calculated over the trailing 10-year period	0.31
Correlation (All Time) Calculated using the full available price history since Sep 2, 1987	0.29

Fundamentals

Market Cap GD : $93.43B TMO : $175.17B
EPS GD : $15.92 TMO : $18.22
PE Ratio GD : 21.41 TMO : 25.78
PS Ratio GD : 1.73 TMO : 3.91
PB Ratio GD : 3.58 TMO : 3.37
Total Revenue (TTM) GD : $53.81B TMO : $45.20B
Gross Profit (TTM) GD : $7.48B TMO : $17.81B
EBITDA (TTM) GD : $6.26B TMO : $11.16B

Return for Risk

GD vs. TMO — Risk / Return Rank

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

GD

GD Risk / Return Rank: 76
GD Sharpe Ratio Rank: 78
GD Sortino Ratio Rank: 76
GD Omega Ratio Rank: 72
GD Calmar Ratio Rank: 73
GD Martin Ratio Rank: 80

TMO

TMO Risk / Return Rank: 57
TMO Sharpe Ratio Rank: 61
TMO Sortino Ratio Rank: 57
TMO Omega Ratio Rank: 54
TMO Calmar Ratio Rank: 55
TMO Martin Ratio Rank: 55

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.

GD vs. TMO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for General Dynamics Corporation (GD) and Thermo Fisher Scientific Inc. (TMO). 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.

	GD	TMO	Difference
Sharpe ratio: Return per unit of total volatility	1.22	0.56	+0.66
Sortino ratio: Return per unit of downside risk	1.97	1.04	+0.93
Omega ratio: Gain probability vs. loss probability	1.24	1.13	+0.11
Calmar ratio: Return relative to maximum drawdown	1.77	0.55	+1.21
Martin ratio: Return relative to average drawdown	6.11	1.23	+4.88
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GD vs. TMO - Sharpe Ratio Comparison

The current GD Sharpe Ratio is 1.22, which is higher than the TMO Sharpe Ratio of 0.56. The chart below compares the historical Sharpe Ratios of GD and TMO, 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

	GD	TMO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.22	0.56	+0.66
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.72	0.04	+0.67
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.51	0.47	+0.04
Sharpe Ratio (All Time) Calculated using the full available price history	0.57	0.40	+0.17

Drawdowns

GD vs. TMO - Drawdown Comparison

The maximum GD drawdown since its inception was -75.67%, which is greater than TMO's maximum drawdown of -71.16%. Use the drawdown chart below to compare losses from any high point for GD and TMO.

Drawdown Indicators

	GD	TMO	Difference
Max Drawdown Largest peak-to-trough decline	-75.67%	-71.16%	-4.51%
Max Drawdown (1Y) Largest decline over 1 year	-14.53%	-31.38%	+16.85%
Max Drawdown (3Y) Largest decline over 3 years	-22.55%	-37.28%	+14.73%
Max Drawdown (5Y) Largest decline over 5 years	-22.55%	-40.95%	+18.40%
Max Drawdown (10Y) Largest decline over 10 years	-51.63%	-40.95%	-10.68%
Current Drawdown Current decline from peak	-6.79%	-28.76%	+21.97%
Average Drawdown Average peak-to-trough decline	-15.61%	-18.02%	+2.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.19%	14.09%	-9.90%

Volatility

GD vs. TMO - Volatility Comparison

The current volatility for General Dynamics Corporation (GD) is 5.72%, while Thermo Fisher Scientific Inc. (TMO) has a volatility of 9.96%. This indicates that GD experiences smaller price fluctuations and is considered to be less risky than TMO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GD	TMO	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.72%	9.96%	-4.24%
Volatility (6M) Calculated over the trailing 6-month period	17.14%	21.57%	-4.43%
Volatility (1Y) Calculated over the trailing 1-year period	21.02%	31.02%	-10.00%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.40%	27.13%	-6.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.71%	26.33%	-3.62%

Dividends

GD vs. TMO - Dividend Comparison

GD's dividend yield for the trailing twelve months is around 1.79%, more than TMO's 0.37% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GD General Dynamics Corporation	1.79%	1.76%	2.12%	2.01%	2.00%	2.24%	2.90%	2.26%	2.31%	1.61%	1.72%	1.96%
TMO Thermo Fisher Scientific Inc.	0.37%	0.30%	0.30%	0.26%	0.22%	0.16%	0.19%	0.23%	0.30%	0.32%	0.43%	0.42%

Financials

GD vs. TMO - Profitability Comparison

The chart below illustrates the profitability comparison between General Dynamics Corporation and Thermo Fisher Scientific Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

GD - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, General Dynamics Corporation reported a gross profit of 1.42B and revenue of 13.48B. Therefore, the gross margin over that period was 10.5%.

TMO - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Thermo Fisher Scientific Inc. reported a gross profit of 4.48B and revenue of 11.01B. Therefore, the gross margin over that period was 40.7%.

GD - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, General Dynamics Corporation reported an operating income of 1.42B and revenue of 13.48B, resulting in an operating margin of 10.5%.

TMO - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Thermo Fisher Scientific Inc. reported an operating income of 1.86B and revenue of 11.01B, resulting in an operating margin of 16.9%.

GD - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, General Dynamics Corporation reported a net income of 1.13B and revenue of 13.48B, resulting in a net margin of 8.4%.

TMO - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Thermo Fisher Scientific Inc. reported a net income of 1.65B and revenue of 11.01B, resulting in a net margin of 15.0%.

Frequently Asked Questions

Can I hold both GD and TMO in my portfolio?

GD and TMO have a correlation of 0.32, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GD or TMO?

TMO has higher volatility (9.96%) compared to GD (5.72%). In terms of maximum drawdown, GD dropped -75.67% vs TMO's -71.16%.

Which has better risk-adjusted returns?

GD currently has the higher Sharpe Ratio (1.22 vs 0.56), 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.