LCTU vs. FSST

Last updated Jun 4, 2026

LCTU (BlackRock U.S. Carbon Transition Readiness ETF) and FSST (Fidelity Sustainability U.S. Equity ETF) are both exchange-traded funds - LCTU is a ESG fund actively managed by BlackRock, while FSST is a Sustainable fund tracking the Russell 3000. LCTU is actively managed, while FSST is passively managed. Their correlation of 0.91 suggests significant overlap in exposure. LCTU charges 0.15%/yr vs 0.59%/yr for FSST.

Performance

LCTU vs. FSST - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BlackRock U.S. Carbon Transition Readiness ETF (LCTU) and Fidelity Sustainability U.S. Equity ETF (FSST). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

LCTU

• 1D: -0.74%
• 1M: 5.23%
• YTD: 9.04%
• 6M: 9.21%
• 1Y: 25.72%
• 3Y*: 21.17%
• 5Y*: 12.37%
• 10Y*: —

FSST

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

LCTU vs. FSST - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
LCTU BlackRock U.S. Carbon Transition Readiness ETF	9.04%	16.96%	24.00%	25.38%	-20.02%	12.93%
FSST Fidelity Sustainability U.S. Equity ETF	0.00%	15.40%	21.40%	25.49%	-18.30%	12.81%

Correlation

The correlation between LCTU and FSST 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	0.83
Correlation (All Time) Calculated using the full available price history since Jun 18, 2021	0.91

Over the past year, the correlation between LCTU and FSST has dropped to 0.52 - well below their long-term average of 0.91, suggesting their price drivers have been diverging.

LCTU vs. FSST - Sectors Allocation Comparison

Sectors	LCTU	FSST
Technology	34.6%	29.6%
Financial Services	12.1%	12.1%
Communication Services	10.3%	11.7%
Consumer Cyclical	10.3%	11.5%
Healthcare	8.8%	10.2%
Industrials	8.7%	13.0%
Consumer Defensive	4.9%	4.6%
Energy	3.5%	1.9%
Real Estate	2.5%	1.3%
Utilities	2.5%	0.9%
Basic Materials	1.9%	3.4%

Return for Risk

LCTU vs. FSST — Risk / Return Rank

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

LCTU

LCTU Risk / Return Rank: 61
LCTU Sharpe Ratio Rank: 62
LCTU Sortino Ratio Rank: 61
LCTU Omega Ratio Rank: 62
LCTU Calmar Ratio Rank: 55
LCTU Martin Ratio Rank: 67

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.

LCTU vs. FSST - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BlackRock U.S. Carbon Transition Readiness ETF (LCTU) and Fidelity Sustainability U.S. Equity ETF (FSST). 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.

	LCTU	FSST	Difference
Sharpe ratio: Return per unit of total volatility	2.10	—	—
Sortino ratio: Return per unit of downside risk	2.89	—	—
Omega ratio: Gain probability vs. loss probability	1.38	—	—
Calmar ratio: Return relative to maximum drawdown	2.75	—	—
Martin ratio: Return relative to average drawdown	12.25	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	LCTU	FSST	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.10	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.72	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.76	—	—

Drawdowns

Drawdown Indicators

	LCTU	FSST	Difference
Max Drawdown Largest peak-to-trough decline	-25.93%	—	—
Max Drawdown (1Y) Largest decline over 1 year	-9.38%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-19.83%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-25.93%	—	—
Current Drawdown Current decline from peak	-0.74%	—	—
Average Drawdown Average peak-to-trough decline	-6.32%	—	—
Ulcer Index Depth and duration of drawdowns from previous peaks	2.11%	—	—

Volatility

Volatility by Period

	LCTU	FSST	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.04%	—	—
Volatility (6M) Calculated over the trailing 6-month period	9.36%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	12.30%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.15%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.02%	—	—

LCTU vs. FSST - Expense Ratio Comparison

LCTU has a 0.15% expense ratio, which is lower than FSST's 0.59% expense ratio.

Dividends

LCTU vs. FSST - Dividend Comparison

LCTU's dividend yield for the trailing twelve months is around 0.93%, more than FSST's 0.14% yield.

Position	TTM	2025	2024	2023	2022	2021
FSST Fidelity Sustainability U.S. Equity ETF	0.14%	0.19%	2.01%	0.68%	1.00%	0.34%
LCTU BlackRock U.S. Carbon Transition Readiness ETF	0.93%	1.02%	1.27%	1.46%	1.63%	2.20%

Frequently Asked Questions

Can I hold both LCTU and FSST in my portfolio?

LCTU and FSST 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 ETF is better, LCTU or FSST?

On fees, LCTU is cheaper at 0.15% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, LCTU or FSST?

LCTU is cheaper with a 0.15% expense ratio, compared with 0.59% for FSST.

Which ETF pays a higher dividend yield, LCTU or FSST?

LCTU has the higher dividend yield at 0.93%, compared with 0.14% for FSST.

What is the main difference between LCTU and FSST?

LCTU is categorized as ESG, while FSST is Sustainable. They also come from different issuers: BlackRock and Fidelity. Their fees differ too: 0.15% for LCTU and 0.59% for FSST.