BBIO vs. XLK

Last updated Jun 26, 2026

BBIO (BridgeBio Pharma, Inc.) is a stock, while XLK (State Street Technology Select Sector SPDR ETF) is Technology Equities fund tracking the S&P Technology Select Sector Daily Capped 35/20 Index. Over the past 5 years, BBIO returned 2.89%/yr vs 21.42%/yr for XLK. At a 0.32 correlation, their price movements are largely independent.

Performance

BBIO vs. XLK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BridgeBio Pharma, Inc. (BBIO) and State Street Technology Select Sector SPDR ETF (XLK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BBIO achieves a -8.89% return, which is significantly lower than XLK's 28.51% return.

BBIO

• 1D: 0.48%
• 1M: 2.89%
• YTD: -8.89%
• 6M: -8.94%
• 1Y: 57.03%
• 3Y*: 65.08%
• 5Y*: 2.89%
• 10Y*: —

XLK

• 1D: 0.83%
• 1M: -0.19%
• YTD: 28.51%
• 6M: 26.47%
• 1Y: 48.82%
• 3Y*: 31.01%
• 5Y*: 21.42%
• 10Y*: 25.76%

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

BBIO vs. XLK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
BBIO BridgeBio Pharma, Inc.	-8.89%	178.75%	-32.03%	429.79%	-54.32%	-76.54%	102.88%	14.51%
XLK State Street Technology Select Sector SPDR ETF	28.51%	24.61%	21.63%	56.02%	-27.73%	34.74%	43.62%	18.50%

Correlation

The correlation between BBIO and XLK is 0.23, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.23
Correlation (3Y) Calculated over the trailing 3-year period	0.29
Correlation (5Y) Calculated over the trailing 5-year period	0.33
Correlation (All Time) Calculated using the full available price history since Jun 27, 2019	0.32

The correlation between BBIO and XLK shifts across timeframes, from 0.23 (1 year) to 0.33 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

BBIO vs. XLK — Risk / Return Rank

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

BBIO

BBIO Risk / Return Rank: 79
BBIO Sharpe Ratio Rank: 79
BBIO Sortino Ratio Rank: 76
BBIO Omega Ratio Rank: 77
BBIO Calmar Ratio Rank: 83
BBIO Martin Ratio Rank: 82

XLK

XLK Risk / Return Rank: 69
XLK Sharpe Ratio Rank: 76
XLK Sortino Ratio Rank: 66
XLK Omega Ratio Rank: 69
XLK Calmar Ratio Rank: 71
XLK Martin Ratio Rank: 62

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.

BBIO vs. XLK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BridgeBio Pharma, Inc. (BBIO) and State Street Technology Select Sector SPDR ETF (XLK). 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.

	BBIO	XLK	Difference
Sharpe ratio: Return per unit of total volatility	1.24	2.09	-0.85
Sortino ratio: Return per unit of downside risk	1.90	2.62	-0.72
Omega ratio: Gain probability vs. loss probability	1.25	1.35	-0.10
Calmar ratio: Return relative to maximum drawdown	2.83	3.08	-0.25
Martin ratio: Return relative to average drawdown	6.56	9.75	-3.19

BBIO vs. XLK - Sharpe Ratio Comparison

The current BBIO Sharpe Ratio is 1.24, which is lower than the XLK Sharpe Ratio of 2.09. The chart below compares the historical Sharpe Ratios of BBIO and XLK, 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

BBIO vs. XLK - Drawdown Comparison

The maximum BBIO drawdown since its inception was -92.80%, which is greater than XLK's maximum drawdown of -82.05%. Use the drawdown chart below to compare losses from any high point for BBIO and XLK.

Drawdown Indicators

	BBIO	XLK	Difference
Max Drawdown Largest peak-to-trough decline	-92.80%	-82.05%	-10.75%
Max Drawdown (1Y) Largest decline over 1 year	-20.25%	-15.92%	-4.33%
Max Drawdown (3Y) Largest decline over 3 years	-49.08%	-25.66%	-23.42%
Max Drawdown (5Y) Largest decline over 5 years	-91.89%	-33.56%	-58.33%
Max Drawdown (10Y) Largest decline over 10 years	—	-33.56%	—
Current Drawdown Current decline from peak	-12.79%	-6.77%	-6.02%
Average Drawdown Average peak-to-trough decline	-45.63%	-34.89%	-10.74%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.72%	5.02%	+3.70%

Volatility

BBIO vs. XLK - Volatility Comparison

The current volatility for BridgeBio Pharma, Inc. (BBIO) is 8.81%, while State Street Technology Select Sector SPDR ETF (XLK) has a volatility of 12.25%. This indicates that BBIO experiences smaller price fluctuations and is considered to be less risky than XLK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BBIO	XLK	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.81%	12.25%	-3.44%
Volatility (6M) Calculated over the trailing 6-month period	34.25%	19.63%	+14.62%
Volatility (1Y) Calculated over the trailing 1-year period	46.12%	23.42%	+22.70%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	85.95%	25.37%	+60.58%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	83.60%	24.71%	+58.89%

Dividends

BBIO vs. XLK - Dividend Comparison

BBIO has not paid dividends to shareholders, while XLK's dividend yield for the trailing twelve months is around 0.43%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BBIO BridgeBio Pharma, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
XLK State Street Technology Select Sector SPDR ETF	0.43%	0.54%	0.66%	0.76%	1.04%	0.65%	0.92%	1.16%	1.60%	1.37%	1.74%	1.79%

Frequently Asked Questions

Can I hold both BBIO and XLK in my portfolio?

BBIO and XLK have a correlation of 0.23, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BBIO or XLK?

XLK has higher volatility (12.25%) compared to BBIO (8.81%). In terms of maximum drawdown, BBIO dropped -92.80% vs XLK's -82.05%.

Which has better risk-adjusted returns?

XLK currently has the higher Sharpe Ratio (2.09 vs 1.24), 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.