BGSIX vs. BGSAX

Last updated Jun 4, 2026

BGSIX (BlackRock Technology Opportunities Institutional) and BGSAX (BlackRock Technology Opportunities Fund Investor A) are both Technology Equities funds from BlackRock. Over the past 10 years, BGSIX returned 26.12%/yr vs 25.86%/yr for BGSAX. With a 1.00 correlation, they move nearly in lockstep. BGSIX charges 0.93%/yr vs 1.20%/yr for BGSAX.

Performance

BGSIX vs. BGSAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BlackRock Technology Opportunities Institutional (BGSIX) and BlackRock Technology Opportunities Fund Investor A (BGSAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with BGSIX having a 44.14% return and BGSAX slightly lower at 43.98%. Both investments have delivered pretty close results over the past 10 years, with BGSIX having a 26.12% annualized return and BGSAX not far behind at 25.86%.

BGSIX

• 1D: 1.14%
• 1M: 21.29%
• YTD: 44.14%
• 6M: 42.37%
• 1Y: 69.04%
• 3Y*: 40.81%
• 5Y*: 18.06%
• 10Y*: 26.12%

BGSAX

• 1D: 1.14%
• 1M: 21.26%
• YTD: 43.98%
• 6M: 42.19%
• 1Y: 68.64%
• 3Y*: 40.65%
• 5Y*: 17.87%
• 10Y*: 25.86%

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

BGSIX vs. BGSAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BGSIX BlackRock Technology Opportunities Institutional	44.14%	19.92%	40.31%	49.49%	-42.99%	8.45%	86.73%	44.23%	2.24%	49.89%
BGSAX BlackRock Technology Opportunities Fund Investor A	43.98%	19.63%	40.56%	49.09%	-43.13%	8.19%	86.27%	43.84%	2.03%	49.45%

Correlation

The correlation between BGSIX and BGSAX is 1.00 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	1.00
Correlation (3Y) Calculated over the trailing 3-year period	1.00
Correlation (5Y) Calculated over the trailing 5-year period	1.00
Correlation (10Y) Calculated over the trailing 10-year period	1.00
Correlation (All Time) Calculated using the full available price history since May 16, 2000	1.00

The correlation between BGSIX and BGSAX has been stable across timeframes, ranging from 1.00 to 1.00 - a consistent structural relationship.

Return for Risk

BGSIX vs. BGSAX — Risk / Return Rank

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

BGSIX

BGSIX Risk / Return Rank: 73
BGSIX Sharpe Ratio Rank: 88
BGSIX Sortino Ratio Rank: 70
BGSIX Omega Ratio Rank: 69
BGSIX Calmar Ratio Rank: 83
BGSIX Martin Ratio Rank: 57

BGSAX

BGSAX Risk / Return Rank: 73
BGSAX Sharpe Ratio Rank: 87
BGSAX Sortino Ratio Rank: 69
BGSAX Omega Ratio Rank: 68
BGSAX Calmar Ratio Rank: 82
BGSAX Martin Ratio Rank: 57

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.

BGSIX vs. BGSAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BlackRock Technology Opportunities Institutional (BGSIX) and BlackRock Technology Opportunities Fund Investor A (BGSAX). 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.

	BGSIX	BGSAX	Difference
Sharpe ratio: Return per unit of total volatility	2.86	2.84	+0.02
Sortino ratio: Return per unit of downside risk	3.46	3.45	+0.02
Omega ratio: Gain probability vs. loss probability	1.46	1.46	0.00
Calmar ratio: Return relative to maximum drawdown	3.84	3.80	+0.04
Martin ratio: Return relative to average drawdown	11.55	11.42	+0.13
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BGSIX vs. BGSAX - Sharpe Ratio Comparison

The current BGSIX Sharpe Ratio is 2.86, which is comparable to the BGSAX Sharpe Ratio of 2.84. The chart below compares the historical Sharpe Ratios of BGSIX and BGSAX, 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

	BGSIX	BGSAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.86	2.84	+0.02
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.65	0.65	+0.01
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	1.01	1.00	+0.01
Sharpe Ratio (All Time) Calculated using the full available price history	0.47	0.46	+0.01

Drawdowns

BGSIX vs. BGSAX - Drawdown Comparison

The maximum BGSIX drawdown since its inception was -73.48%, roughly equal to the maximum BGSAX drawdown of -73.75%. Use the drawdown chart below to compare losses from any high point for BGSIX and BGSAX.

Drawdown Indicators

	BGSIX	BGSAX	Difference
Max Drawdown Largest peak-to-trough decline	-73.48%	-73.75%	+0.27%
Max Drawdown (1Y) Largest decline over 1 year	-18.42%	-18.49%	+0.07%
Max Drawdown (3Y) Largest decline over 3 years	-27.73%	-27.75%	+0.02%
Max Drawdown (5Y) Largest decline over 5 years	-49.11%	-49.22%	+0.11%
Max Drawdown (10Y) Largest decline over 10 years	-49.11%	-49.22%	+0.11%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-25.42%	-26.37%	+0.95%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.12%	6.15%	-0.03%

Volatility

BGSIX vs. BGSAX - Volatility Comparison

BlackRock Technology Opportunities Institutional (BGSIX) and BlackRock Technology Opportunities Fund Investor A (BGSAX) have volatilities of 9.07% and 9.07%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BGSIX	BGSAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.07%	9.07%	0.00%
Volatility (6M) Calculated over the trailing 6-month period	20.29%	20.29%	0.00%
Volatility (1Y) Calculated over the trailing 1-year period	24.76%	24.75%	+0.01%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.76%	27.76%	0.00%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.88%	25.88%	0.00%

BGSIX vs. BGSAX - Expense Ratio Comparison

BGSIX has a 0.93% expense ratio, which is lower than BGSAX's 1.20% expense ratio.

Dividends

BGSIX vs. BGSAX - Dividend Comparison

BGSIX's dividend yield for the trailing twelve months is around 8.43%, less than BGSAX's 9.41% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
BGSAX BlackRock Technology Opportunities Fund Investor A	9.41%	13.55%	8.68%	0.00%	0.00%	7.66%	4.86%	1.50%	1.24%	8.01%	1.17%
BGSIX BlackRock Technology Opportunities Institutional	8.43%	12.16%	7.82%	0.00%	0.00%	7.12%	4.47%	1.39%	1.15%	7.72%	1.10%

Frequently Asked Questions

Can I hold both BGSIX and BGSAX in my portfolio?

With a correlation of 1.00, BGSIX and BGSAX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, BGSIX or BGSAX?

BGSAX has higher volatility (9.07%) compared to BGSIX (9.07%). In terms of maximum drawdown, BGSIX dropped -73.48% vs BGSAX's -73.75%.

Which has better risk-adjusted returns?

BGSIX currently has the higher Sharpe Ratio (2.86 vs 2.84), 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.