BROUGHT TO YOU BY:

ETF Portfolio Builder

New

ETF Portfolio Builder

New

MFSGvsIWFETF Comparison

ETF 1

MFSG

MFS Active Growth ETF

This fund is part of

US Large Cap Growth

+0.18%

Full MFSG fund page

VS

ETF 2

IWF

iShares Russell 1000 Growth ETF

This fund is part of

US Large Cap Growth

+0.18%

Full IWF fund page

MFS Active Growth ETF (MFSG) and iShares Russell 1000 Growth ETF (IWF) belong to the same industry segment: US Large Cap Growth. MFSG's top 3 sector exposures are Information Technology, Communication Services and Consumer Discretionary. In contrast, IWF's top sector exposures are Information Technology, Consumer Discretionary and Communication Services. MFSG is more expensive with a Total Expense Ratio (TER) of 0.49%, versus 0.18% for IWF. MFSG is up 4.79% year-to-date (YTD) with +$148M in YTD flows. IWF performs worse with 2.92% YTD performance, and -$4.08B in YTD flows. Run a side-by-side ETF comparison of MFSG and IWF below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.

Find out how industry players manage ETF portfolios. Discover our library of Model portfolios

MFSG vs IWF performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Data Services

Historic performance and flows

Data as of 06/12/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	MFSG IWF	-0.49%-1.33%	+12.42%+9.85%	+4.79%+2.92%	+16.22%+18.90%	n/a+84.34%	n/a+90.08%
Flows	MFSG IWF	+$3M-$828M	+$80M-$683M	+$148M-$4.08B	+$214M-$2.32B	--$1.87B	--$441M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	MFSG IWF	+20.80%+19.36%	+16.99%+16.11%	n/a+19.34%	n/a+21.57%
Max drawdown	MFSG IWF	-7.45%-7.37%	-16.18%-16.23%	n/a-23.36%	n/a-32.75%
Max drawdown duration	MFSG IWF	21d22d	177d189d	n/a191d	n/a743d

Trading data

Create an account to view trading data

Join for free

	MFSG	IWF
Last sale 6/12/2026 at 1:30 PM	$29.50	$121.61
Previous close 06/12/2026	$29.36	$121.57
Consolidated volume 06/12/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of May 29, 2026

1-year trailing difference

Create an account to view replication metrics

Join for free

MFSG

is actively managed and doesn’t replicate an index

Create an account to view replication quality

Join for free

	MFSG	IWF
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 6/12/2026 at 1:30 PM

Live

Closed

	MFSG	IWF
Last price	$29.50	$121.61
1D performance	+0.48%	+0.03%
AuM	$342.16 M	$125.59 B
E/R	0.49%	0.18%

Characteristics

	MFSG	IWF
Management strategy	Active	Passive
Provider	MFS	iShares
Benchmark	-	Russell 1000 Growth Index
N° of holdings	48	346
Asset class	-	Equities
Trailing 12m distribution yield	Join	Join
Inception date	December 4, 2024	May 22, 2000
ESG	No	No

More MFSG data on Trackinsight

More IWF data on Trackinsight

Exposure

Countries

MFSG

USA

92.35%

Other

7.65%

IWF

USA

98.43%

Other

1.58%

Sectors

MFSG

Information Techn.

49.77%

Communication Ser.

11.77%

Consumer Discreti.

10.26%

Other

28.2%

IWF

Information Techn.

52.35%

Consumer Discreti.

13.03%

Communication Ser.

12.76%

Health Care

7.05%

Other

14.81%

Diversification

MFSG

Total weight of top 15 holdings out of 15

71.05%

IWF

Total weight of top 15 holdings out of 15

67.76%

Top 15 holdings

Data as of April 30, 2026

MFSG

NVIDIA

14.92%

MICROSOFT-T

9.56%

APPLE

8.57%

ALPHABET INC-CL

8.23%

AMAZON.COM INC

6.75%

BROADCOM LIMITED

4.00%

US36828A1016

3.47%

META PLATFORMS

3.05%

VISA INCORPORATION

2.80%

KLA CORPORATION

1.86%

AMPHENOL

1.82%

US8740391003

1.69%

WESTERN DIGITAL

1.51%

US5128073062

1.47%

ARISTA NETWORKS

1.35%

IWF

NVIDIA

13.22%

APPLE

11.12%

MICROSOFT-T

8.69%

BROADCOM LIMITED

5.77%

AMAZON.COM INC

5.30%

ALPHABET INC-CL

4.23%

ALPHABET INC-CL

3.42%

META PLATFORMS

3.30%

TESLA

3.26%

LILLY

2.41%

VISA INCORPORATION

1.79%

COSTCO WHOLESALE

1.45%

MASTERCARD

1.30%

NETFLIX

1.28%

ABBVIE

1.21%

Frequently asked questions about MFSG and IWF

How have the MFSG and IWF ETFs performed in 2026?

As of June 12, 2026, MFSG is up 4.79% year-to-date (YTD), while IWF has returned 2.92%. That puts MFSG better performer ahead so far this year.

Which ETF is attracting more investor money: MFSG or IWF?

Year-to-date, the MFSG ETF saw +$148M in flows, compared to -$4.08B for IWF.

Which ETF is more volatile: MFSG or IWF?

Over the past year, MFSG had a volatility of 16.99%, while IWF experienced 16.11%.

Which ETF is bigger: MFSG or IWF?

As of June 12, 2026, MFSG holds $342.16 M in assets under management (AUM), while IWF manages $125.59 B.

What sectors do the MFSG and IWF ETFs invest in?

MFSG leans toward sectors like Information Technology, Communication Services and Consumer Discretionary. Meanwhile, IWF focuses on Information Technology, Consumer Discretionary and Communication Services.

What are the top holdings of the MFSG ETF and IWF ETF?

MFSG top holdings include NVIDIA, MICROSOFT-T and APPLE. IWF holds in its top three: NVIDIA, APPLE and MICROSOFT-T.

Which ETF is more diversified: MFSG or IWF?

MFSG holds 51 securities with 71.05% of its assets in the top 15. IWF has 388 securities and a top 15 weight of 67.76%.

What's the Fund | MFS Growth Equity Active ETF (MFSG)

July 25, 2025

MFSG

Top 3 growth ETFs of 2022

November 18, 2022

IWF

MFSGvsIWFETF Comparison

MFS Active Growth ETF

iShares Russell 1000 Growth ETF

MFSG vs IWF performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Countries

Sectors

Diversification

Top 15 holdings

How have the MFSG and IWF ETFs performed in 2026?

As of June 12, 2026, MFSG is up 4.79% year-to-date (YTD), while IWF has returned 2.92%. That puts MFSG better performer ahead so far this year.

Which ETF is attracting more investor money: MFSG or IWF?

Year-to-date, the MFSG ETF saw +$148M in flows, compared to -$4.08B for IWF.

Which ETF is more volatile: MFSG or IWF?

Over the past year, MFSG had a volatility of 16.99%, while IWF experienced 16.11%.

Which ETF is bigger: MFSG or IWF?

As of June 12, 2026, MFSG holds $342.16 M in assets under management (AUM), while IWF manages $125.59 B.

What sectors do the MFSG and IWF ETFs invest in?

MFSG leans toward sectors like Information Technology, Communication Services and Consumer Discretionary. Meanwhile, IWF focuses on Information Technology, Consumer Discretionary and Communication Services.

What are the top holdings of the MFSG ETF and IWF ETF?

MFSG top holdings include NVIDIA, MICROSOFT-T and APPLE. IWF holds in its top three: NVIDIA, APPLE and MICROSOFT-T.

Which ETF is more diversified: MFSG or IWF?

MFSG holds 51 securities with 71.05% of its assets in the top 15. IWF has 388 securities and a top 15 weight of 67.76%.

What's the Fund | MFS Growth Equity Active ETF (MFSG)

Top 3 growth ETFs of 2022

The ETF Industry Is Evolving Fast