FSST vs. LCTU

Last updated Jun 4, 2026

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

Performance

FSST vs. LCTU - Performance Comparison

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

Returns By Period

FSST

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

LCTU

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

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

FSST vs. LCTU - Yearly Performance Comparison

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

Correlation

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

FSST vs. LCTU - Sectors Allocation Comparison

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

Return for Risk

FSST vs. LCTU — 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.

FSST vs. LCTU - Risk-Adjusted Trends Comparison

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

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	FSST	LCTU	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

	FSST	LCTU	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

	FSST	LCTU	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%	—

FSST vs. LCTU - Expense Ratio Comparison

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

Dividends

FSST vs. LCTU - Dividend Comparison

FSST's dividend yield for the trailing twelve months is around 0.14%, less than LCTU's 0.93% 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 FSST and LCTU in my portfolio?

FSST and LCTU 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, FSST or LCTU?

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, FSST or LCTU?

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

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

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

What is the main difference between FSST and LCTU?

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