CZMGX vs. BGSAX

Last updated Jun 23, 2026

CZMGX (Multi-Manager Growth Strategies Fund) and BGSAX (BlackRock Technology Opportunities Fund Investor A) are both mutual funds - CZMGX is a Large Cap Growth Equities fund managed by BlackRock, while BGSAX is a Technology Equities fund managed by BlackRock. Over the past 5 years, CZMGX returned 12.75%/yr vs 16.37%/yr for BGSAX. Their correlation of 0.93 suggests significant overlap in exposure. CZMGX charges 0.74%/yr vs 1.20%/yr for BGSAX.

Performance

CZMGX vs. BGSAX - Performance Comparison

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

Returns By Period

In the year-to-date period, CZMGX achieves a 7.14% return, which is significantly lower than BGSAX's 43.57% return.

CZMGX

• 1D: 1.58%
• 1M: 0.67%
• YTD: 7.14%
• 6M: 6.38%
• 1Y: 21.99%
• 3Y*: 22.26%
• 5Y*: 12.75%
• 10Y*: —

BGSAX

• 1D: 4.46%
• 1M: 9.11%
• YTD: 43.57%
• 6M: 43.11%
• 1Y: 67.10%
• 3Y*: 38.82%
• 5Y*: 16.37%
• 10Y*: 25.97%

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

CZMGX vs. BGSAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CZMGX Multi-Manager Growth Strategies Fund	7.14%	15.18%	34.55%	41.78%	-29.41%	19.80%	33.39%	33.59%	-12.36%	25.10%
BGSAX BlackRock Technology Opportunities Fund Investor A	43.57%	19.63%	40.56%	49.09%	-43.13%	8.19%	86.27%	43.84%	2.03%	39.59%

Correlation

The correlation between CZMGX and BGSAX is 0.90, 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	0.90
Correlation (3Y) Calculated over the trailing 3-year period	0.92
Correlation (5Y) Calculated over the trailing 5-year period	0.94
Correlation (All Time) Calculated using the full available price history since Feb 1, 2017	0.93

The correlation between CZMGX and BGSAX has been stable across timeframes, ranging from 0.90 to 0.94 - a consistent structural relationship.

Return for Risk

CZMGX vs. BGSAX — Risk / Return Rank

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

CZMGX

CZMGX Risk / Return Rank: 20
CZMGX Sharpe Ratio Rank: 23
CZMGX Sortino Ratio Rank: 21
CZMGX Omega Ratio Rank: 22
CZMGX Calmar Ratio Rank: 15
CZMGX Martin Ratio Rank: 16

BGSAX

BGSAX Risk / Return Rank: 66
BGSAX Sharpe Ratio Rank: 78
BGSAX Sortino Ratio Rank: 56
BGSAX Omega Ratio Rank: 61
BGSAX Calmar Ratio Rank: 82
BGSAX Martin Ratio Rank: 55

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.

CZMGX vs. BGSAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Multi-Manager Growth Strategies Fund (CZMGX) 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.

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.

	CZMGX	BGSAX	Difference
Sharpe ratio: Return per unit of total volatility	1.28	2.37	-1.08
Sortino ratio: Return per unit of downside risk	1.79	2.89	-1.11
Omega ratio: Gain probability vs. loss probability	1.23	1.40	-0.17
Calmar ratio: Return relative to maximum drawdown	1.29	3.57	-2.28
Martin ratio: Return relative to average drawdown	4.14	10.42	-6.28

CZMGX vs. BGSAX - Sharpe Ratio Comparison

The current CZMGX Sharpe Ratio is 1.28, which is lower than the BGSAX Sharpe Ratio of 2.37. The chart below compares the historical Sharpe Ratios of CZMGX 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.

Drawdowns

CZMGX vs. BGSAX - Drawdown Comparison

The maximum CZMGX drawdown since its inception was -35.23%, smaller than the maximum BGSAX drawdown of -73.75%. Use the drawdown chart below to compare losses from any high point for CZMGX and BGSAX.

Drawdown Indicators

	CZMGX	BGSAX	Difference
Max Drawdown Largest peak-to-trough decline	-35.23%	-73.75%	+38.52%
Max Drawdown (1Y) Largest decline over 1 year	-16.55%	-18.49%	+1.94%
Max Drawdown (3Y) Largest decline over 3 years	-22.71%	-27.75%	+5.04%
Max Drawdown (5Y) Largest decline over 5 years	-35.23%	-49.22%	+13.99%
Max Drawdown (10Y) Largest decline over 10 years	—	-49.22%	—
Current Drawdown Current decline from peak	-2.85%	-0.29%	-2.56%
Average Drawdown Average peak-to-trough decline	-7.56%	-26.33%	+18.77%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.14%	6.32%	-1.18%

Volatility

CZMGX vs. BGSAX - Volatility Comparison

The current volatility for Multi-Manager Growth Strategies Fund (CZMGX) is 6.62%, while BlackRock Technology Opportunities Fund Investor A (BGSAX) has a volatility of 14.41%. This indicates that CZMGX experiences smaller price fluctuations and is considered to be less risky than BGSAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CZMGX	BGSAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.62%	14.41%	-7.79%
Volatility (6M) Calculated over the trailing 6-month period	13.13%	23.82%	-10.69%
Volatility (1Y) Calculated over the trailing 1-year period	16.65%	27.87%	-11.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.67%	28.32%	-6.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.86%	26.19%	-4.33%

CZMGX vs. BGSAX - Expense Ratio Comparison

CZMGX has a 0.74% expense ratio, which is lower than BGSAX's 1.20% expense ratio.

Dividends

CZMGX vs. BGSAX - Dividend Comparison

CZMGX has not paid dividends to shareholders, while BGSAX's dividend yield for the trailing twelve months is around 9.44%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
BGSAX BlackRock Technology Opportunities Fund Investor A	9.44%	13.55%	8.68%	0.00%	0.00%	7.66%	4.86%	1.50%	1.24%	8.01%	1.17%
CZMGX Multi-Manager Growth Strategies Fund	0.00%	11.02%	10.86%	5.59%	10.39%	15.19%	5.04%	5.53%	6.87%	4.66%	0.00%

Frequently Asked Questions

Can I hold both CZMGX and BGSAX in my portfolio?

CZMGX and BGSAX have a correlation of 0.90, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CZMGX or BGSAX?

BGSAX has higher volatility (14.41%) compared to CZMGX (6.62%). In terms of maximum drawdown, CZMGX dropped -35.23% vs BGSAX's -73.75%.

Which has better risk-adjusted returns?

BGSAX currently has the higher Sharpe Ratio (2.37 vs 1.28), 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.