What is the expense ratio of IWF vs MGK?

IWF has an expense ratio of 0.18%, while MGK has an expense ratio of 0.05%.

IWF vs MGK

iShares Russell 1000 Growth ETF vs Vanguard Mega Cap Growth Index Fund

Last updated: 2026-04-10

IWF iShares

iShares Russell 1000 Growth ETF (IWF) is an exchange-traded fund issued by iShares that provides exposure to large-cap U.S. growth stocks with above-average earnings potential. It charges a moderate expense ratio of 0.18%. The fund offers a modest dividend yield of 0.38%. Launched in 2000, the fund has a 26-year track record.

AUM: $116.5B ER: 0.18% Yield: 0.38% Since: May 22, 2000

MGK Vanguard

Vanguard Mega Cap Growth Index Fund (MGK) is an exchange-traded fund issued by Vanguard that provides exposure to large-cap U.S. growth stocks with above-average earnings potential. It charges a very low expense ratio of 0.05%. The fund offers a modest dividend yield of 0.37%. Launched in 2007, the fund has a 19-year track record.

AUM: $28.9B ER: 0.05% Yield: 0.37% Since: Dec 17, 2007

Quick Verdict

MGK is significantly cheaper at 0.05% vs 0.18% expense ratio, saving you approximately $257 per $10,000 invested over 10 years. MGK has edged ahead over the past year (31.6% vs 29.9%).

Key Metrics

Metric	IWF	MGK
Expense Ratio	0.18%	0.05%
Dividend Yield	0.4%	0.4%
Fund Family	iShares	Vanguard
Category	US Large Cap Growth	US Large Cap Growth

Performance Chart

Indexed to 100 at start (5-year comparison)

IWF +73.8%

MGK +76.3%

Performance Comparison

Period	IWF	MGK	Difference
1 Month	-1.05%	-0.66%	-0.39%
3 Months	-6.42%	-6.72%	+0.30%
6 Months	-4.69%	-3.70%	-0.99%
YTD	-5.33%	-5.63%	+0.30%
1 Year	+29.88%	+31.55%	-1.67%
3 Years	+84.44%	+92.09%	-7.65%
5 Years	+73.81%	+76.34%	-2.53%

Fee Impact Over Time

Estimated fee cost difference assuming 8% annual returns

Investment	Period	IWF Fees	MGK Fees	You Save
$10,000	10 years	$357	$100	$257
$10,000	20 years	$1,529	$430	$1,100
$10,000	30 years	$4,912	$1,388	$3,523
$50,000	10 years	$1,786	$499	$1,287
$50,000	30 years	$24,558	$6,941	$17,617
$100,000	30 years	$49,116	$13,882	$35,234

Risk Metrics

Based on 5 years of daily returns

Metric	IWF	MGK
Annualized Volatility	21.4%	22.6%
Max Drawdown	-33.1%	-36.4%
Sharpe Ratio	0.42	0.42

Dividend Comparison

Metric	IWF	MGK
Annual Dividend (per share)	$1.69	$1.43
Dividend Yield	0.38%	0.37%
Distribution Frequency	Quarterly	Quarterly

Top Holdings

9 of top 9 holdings overlap (100% overlap in top holdings)

IWF Top Holdings

Name	Weight
NVIDIA CorporationNVDA	12.99%
Apple Inc.AAPL	11.43%
Microsoft CorporationMSFT	8.59%
Broadcom Inc.AVGO	5.22%
Amazon.com, Inc.AMZN	4.76%
Meta Platforms, Inc.META	3.56%
Tesla, Inc.TSLA	3.15%
Alphabet Inc.GOOG	3.03%
Eli Lilly and CompanyLLY	2.65%

MGK Top Holdings

Name	Weight
NVIDIA CorporationNVDA	13.12%
Apple Inc.AAPL	12.49%
Microsoft CorporationMSFT	9.18%
Meta Platforms, Inc.META	4.66%
Alphabet Inc.GOOG	4.46%
Amazon.com, Inc.AMZN	4.43%
Tesla, Inc.TSLA	4.26%
Broadcom Inc.AVGO	3.97%
Eli Lilly and CompanyLLY	3.42%

Which One Should You Choose?

Choose MGK if...

you want the lowest fees and plan to buy and hold long-term. Over decades, the expense ratio difference compounds significantly.

Either works if...

you just need broad us large cap growth exposure. Both are solid options — pick whichever your brokerage offers commission-free.

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