TEK vs. BLCR

Last updated Jul 12, 2026

TEK (iShares Technology Opportunities Active ETF) and BLCR (Blackrock Large Cap Core ETF) are both exchange-traded funds - TEK is a Technology Equities fund actively managed by iShares, while BLCR is a Large Cap Blend Equities fund actively managed by BlackRock. Both are actively managed. Over the past year, TEK returned 45.45% vs 36.44% for BLCR. Their correlation of 0.88 suggests significant overlap in exposure. TEK charges 0.75%/yr vs 0.36%/yr for BLCR.

Performance

TEK vs. BLCR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Technology Opportunities Active ETF (TEK) and Blackrock Large Cap Core ETF (BLCR). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TEK achieves a 33.41% return, which is significantly higher than BLCR's 16.87% return.

TEK

• 1D: -0.54%
• 1M: -0.72%
• 6M: 30.48%
• YTD: 33.41%
• 1Y: 45.45%
• 3Y*: —
• 5Y*: —
• 10Y*: —

BLCR

• 1D: -1.32%
• 1M: 0.48%
• 6M: 13.27%
• YTD: 16.87%
• 1Y: 36.44%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

TEK vs. BLCR - Yearly Performance Comparison

	2026 (YTD)	2025	2024
TEK iShares Technology Opportunities Active ETF	33.41%	18.63%	2.63%
BLCR Blackrock Large Cap Core ETF	16.87%	30.93%	0.79%

Correlation

The correlation between TEK and BLCR is 0.84, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.84
Correlation (All Time) Calculated using the full available price history since Oct 22, 2024	0.88

The correlation between TEK and BLCR has been stable across timeframes, ranging from 0.84 to 0.88 - a consistent structural relationship.

TEK vs. BLCR - Sectors Allocation Comparison

Sectors	TEK	BLCR
Technology	86.1%	34.3%
Communication Services	6.0%	14.6%
Consumer Cyclical	4.0%	11.1%
Industrials	2.7%	13.7%
Basic Materials	0.9%	2.2%
Financial Services	0.3%	12.5%
Consumer Defensive	-	-
Energy	-	2.2%
Healthcare	-	7.6%
Real Estate	-	-
Utilities	-	1.6%

Return for Risk

TEK vs. BLCR — Risk / Return Rank

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

TEK

TEK Risk / Return Rank: 52
TEK Sharpe Ratio Rank: 53
TEK Sortino Ratio Rank: 48
TEK Omega Ratio Rank: 52
TEK Calmar Ratio Rank: 58
TEK Martin Ratio Rank: 48

BLCR

BLCR Risk / Return Rank: 85
BLCR Sharpe Ratio Rank: 87
BLCR Sortino Ratio Rank: 84
BLCR Omega Ratio Rank: 81
BLCR Calmar Ratio Rank: 83
BLCR Martin Ratio Rank: 89

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.

TEK vs. BLCR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Technology Opportunities Active ETF (TEK) and Blackrock Large Cap Core ETF (BLCR). 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.

	TEK	BLCR	Difference
Sharpe ratio: Return per unit of total volatility	1.46	2.21	-0.75
Sortino ratio: Return per unit of downside risk	1.96	2.96	-1.00
Omega ratio: Gain probability vs. loss probability	1.26	1.38	-0.12
Calmar ratio: Return relative to maximum drawdown	2.32	3.57	-1.25
Martin ratio: Return relative to average drawdown	6.43	15.75	-9.32

TEK vs. BLCR - Sharpe Ratio Comparison

The current TEK Sharpe Ratio is 1.46, which is lower than the BLCR Sharpe Ratio of 2.21. The chart below compares the historical Sharpe Ratios of TEK and BLCR, 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

TEK vs. BLCR - Drawdown Comparison

The maximum TEK drawdown since its inception was -28.24%, which is greater than BLCR's maximum drawdown of -21.29%. Use the drawdown chart below to compare losses from any high point for TEK and BLCR.

Drawdown Indicators

	TEK	BLCR	Difference
Max Drawdown Largest peak-to-trough decline	-28.24%	-21.29%	-6.95%
Max Drawdown (1Y) Largest decline over 1 year	-19.29%	-10.26%	-9.03%
Current Drawdown Current decline from peak	-7.41%	-2.62%	-4.79%
Average Drawdown Average peak-to-trough decline	-5.89%	-2.19%	-3.70%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.96%	2.32%	+4.64%

Volatility

TEK vs. BLCR - Volatility Comparison

iShares Technology Opportunities Active ETF (TEK) has a higher volatility of 15.19% compared to Blackrock Large Cap Core ETF (BLCR) at 5.76%. This indicates that TEK's price experiences larger fluctuations and is considered to be riskier than BLCR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TEK	BLCR	Difference
Volatility (1M) Calculated over the trailing 1-month period	15.19%	5.76%	+9.43%
Volatility (6M) Calculated over the trailing 6-month period	26.87%	13.32%	+13.55%
Volatility (1Y) Calculated over the trailing 1-year period	30.69%	16.59%	+14.10%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	31.29%	17.64%	+13.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	31.29%	17.64%	+13.65%

TEK vs. BLCR - Expense Ratio Comparison

TEK has a 0.75% expense ratio, which is higher than BLCR's 0.36% expense ratio.

Dividends

TEK vs. BLCR - Dividend Comparison

TEK's dividend yield for the trailing twelve months is around 1.19%, more than BLCR's 0.29% yield.

Position	TTM	2025	2024	2023
BLCR Blackrock Large Cap Core ETF	0.29%	0.33%	0.75%	0.13%
TEK iShares Technology Opportunities Active ETF	1.19%	1.62%	0.00%	0.00%

Frequently Asked Questions

Can I hold both TEK and BLCR in my portfolio?

TEK and BLCR have a correlation of 0.84, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TEK or BLCR?

TEK has higher volatility (15.19%) compared to BLCR (5.76%). In terms of maximum drawdown, TEK dropped -28.24% vs BLCR's -21.29%.

Which ETF is better, TEK or BLCR?

On 1-year performance, TEK leads with 45.45% vs 36.44% for BLCR. On fees, BLCR is cheaper at 0.36% per year. On volatility, BLCR has been the lower-risk option at 5.76%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TEK or BLCR?

Over the 1-year period, TEK has performed better with a 45.45% return vs 36.44%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TEK or BLCR?

BLCR is cheaper with a 0.36% expense ratio, compared with 0.75% for TEK.

Which ETF pays a higher dividend yield, TEK or BLCR?

TEK has the higher dividend yield at 1.19%, compared with 0.29% for BLCR.

What is the main difference between TEK and BLCR?

TEK is categorized as Technology Equities, while BLCR is Large Cap Blend Equities. They also come from different issuers: iShares and BlackRock. Their fees differ too: 0.75% for TEK and 0.36% for BLCR.

Which has better risk-adjusted returns?

BLCR currently has the higher Sharpe Ratio (2.21 vs 1.46), 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.