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: 2026-04-02

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 0.39%. Launched in 2000, the fund has a 26-year track record.

AUM: $108.0B ER: 0.18% Yield: 0.39% Since: May 22, 2000

MGK

Vanguard Mega Cap Growth Index Fund (MGK) is an exchange-traded fund 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 0.39%. Launched in 2007, the fund has a 19-year track record.

AUM: $26.8B ER: 0.05% Yield: 0.39% 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 (19.4% vs 18.2%).

Key Metrics

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

Performance Chart

Indexed to 100 at start (5-year comparison)

IWF +71.3%

MGK +73.1%

Performance Comparison

Period	IWF	MGK	Difference
1 Month	-4.73%	-4.21%	-0.52%
3 Months	-8.83%	-9.52%	+0.69%
6 Months	-8.48%	-7.91%	-0.57%
YTD	-8.83%	-9.52%	+0.69%
1 Year	+18.20%	+19.39%	-1.19%
3 Years	+75.80%	+81.85%	-6.05%
5 Years	+71.26%	+73.14%	-1.88%

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	0.40	0.40

Dividend Comparison

Metric	IWF	MGK
Annual Dividend (per share)	$1.69	$1.43
Dividend Yield	0.39%	0.39%
Distribution Frequency	Quarterly	Quarterly

Top Holdings

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

IWF Top Holdings

Name	Weight
NVIDIA CorporationNVDA	12.82%
Apple Inc.AAPL	11.79%
Microsoft CorporationMSFT	8.78%
Broadcom Inc.AVGO	4.81%
Amazon.com, Inc.AMZN	4.61%
Tesla, Inc.TSLA	3.57%
Meta Platforms, Inc.META	3.28%
Alphabet Inc.GOOG	2.83%
Eli Lilly and CompanyLLY	2.62%

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.

Related Comparisons

AGG vs IWF BND vs IWF BNDX vs IWF DGRO vs IWF DVY vs IWF EEM vs IWF EFA vs IWF GLD vs IWF