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MFSGvsIUSGETF Comparison

ETF 1

MFSG

MFS Active Growth ETF

This fund is part of

US Large Cap Growth

-0.26%

Full MFSG fund page

VS

ETF 2

IUSG

iShares Core S&P U.S. Growth ETF

This fund is part of

US Large Cap Growth

-0.26%

Full IUSG fund page

MFS Active Growth ETF (MFSG) and iShares Core S&P U.S. Growth ETF (IUSG) belong to the same industry segment: US Large Cap Growth. MFSG's top 3 sector exposures are Technology, Industrials and Finance. In contrast, IUSG's top sector exposures are Technology, Finance and Industrials. MFSG is more expensive with a Total Expense Ratio (TER) of 0.49%, versus 0.04% for IUSG. MFSG is up 2.39% year-to-date (YTD) with +$169M in YTD flows. IUSG performs better with 8.15% YTD performance, and +$2.79B in YTD flows. Run a side-by-side ETF comparison of MFSG and IUSG below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.

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MFSG vs IUSG performance and flow charts

Performance

Cumulative Flows

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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 07/24/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	MFSG IUSG	-1.85%-2.44%	-1.28%+1.70%	+2.39%+8.15%	+6.54%+16.71%	n/a+86.12%	n/a+79.98%
Flows	MFSG IUSG	+$18M+$430M	+$70M+$678M	+$169M+$2.79B	+$206M+$3.10B	-+$4.89B	-+$6.82B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	MFSG IUSG	+18.88%+19.39%	+17.78%+17.55%	n/a+19.35%	n/a+21.33%
Max drawdown	MFSG IUSG	-6.21%-6.87%	-16.18%-12.98%	n/a-22.25%	n/a-32.26%
Max drawdown duration	MFSG IUSG	53d56d	177d76d	n/a151d	n/a793d

Trading data

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	MFSG	IUSG
Last sale 7/28/2026 at 2:32 PM	$28.45	$180.86
Previous close 07/27/2026	$28.82	$181.20
Consolidated volume 07/27/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of June 30, 2026

1-year trailing difference

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MFSG

is actively managed and doesn’t replicate an index

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

Main metrics

Last update 7/28/2026 at 2:32 PM

Live

Closed

	MFSG	IUSG
Last price	$28.45	$180.86
1D performance	-1.30%	-0.19%
AuM	$354.59 M	$31.37 B
E/R	0.49%	0.04%

Characteristics

	MFSG	IUSG
Management strategy	Active	Passive
Provider	MFS	iShares
Benchmark	-	S&P 900 Growth
N° of holdings	64	391
Asset class	-	Equities
Trailing 12m distribution yield	Join	Join
Inception date	December 4, 2024	July 24, 2000
ESG	No	No

More MFSG data on Trackinsight

More IUSG data on Trackinsight

Exposure

Countries

MFSG

USA

87.81%

Other

12.19%

IUSG

USA

99.18%

Other

0.82%

Sectors

MFSG

Technology

59.29%

Industrials

10.2%

Finance

7.06%

Other

23.45%

IUSG

Technology

63.97%

Finance

9.22%

Industrials

7.66%

Other

19.16%

Diversification

MFSG

Total weight of top 15 holdings out of 15

60.74%

IUSG

Total weight of top 15 holdings out of 15

63.59%

Top 15 holdings

Data as of June 30, 2026

MFSG

NVIDIA Corp.

12.87%

Alphabet, Inc.

9.88%

Apple, Inc.

6.71%

Microsoft Corp.

4.10%

Broadcom Inc.

3.53%

GE Vernova, Inc.

3.20%

Visa, Inc.

2.98%

KLA Corp.

2.87%

Amazon.com, Inc.

2.50%

Lam Research Corp.

2.38%

Western Digital Corp.

2.37%

Meta Platforms, Inc.

2.00%

Taiwan Semiconductor Manufacturing Co., Ltd.

1.92%

US84615Q1031

1.73%

Arista Networks, Inc.

1.68%

IUSG

NVIDIA Corp.

12.95%

Microsoft Corp.

7.41%

Apple, Inc.

5.68%

Alphabet, Inc.

5.60%

Broadcom Inc.

4.78%

Alphabet, Inc.

4.46%

Micron Technology, Inc.

3.48%

Meta Platforms, Inc.

3.31%

Amazon.com, Inc.

3.31%

Eli Lilly & Co.

2.54%

Advanced Micro Devices, Inc.

2.53%

Berkshire Hathaway, Inc.

2.45%

Tesla, Inc.

1.96%

JPMorgan Chase & Co.

1.59%

Applied Materials, Inc.

1.53%

Frequently asked questions about MFSG and IUSG

How have the MFSG and IUSG ETFs performed in 2026?

As of July 24, 2026, MFSG is up 2.39% year-to-date (YTD), while IUSG has returned 8.15%. That puts IUSG better performer ahead so far this year.

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

Year-to-date, the MFSG ETF saw +$169M in flows, compared to +$2.79B for IUSG.

Which ETF is more volatile: MFSG or IUSG?

Over the past year, MFSG had a volatility of 17.78%, while IUSG experienced 17.55%.

Which ETF is bigger: MFSG or IUSG?

As of July 24, 2026, MFSG holds $354.59 M in assets under management (AUM), while IUSG manages $31.37 B.

What sectors do the MFSG and IUSG ETFs invest in?

MFSG leans toward sectors like Technology, Industrials and Finance. Meanwhile, IUSG focuses on Technology, Finance and Industrials.

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

MFSG top holdings include NVIDIA Corp., Alphabet, Inc. and Apple, Inc.. IUSG holds in its top three: NVIDIA Corp., Microsoft Corp. and Apple, Inc..

Which ETF is more diversified: MFSG or IUSG?

MFSG holds 66 securities with 60.74% of its assets in the top 15. IUSG has 393 securities and a top 15 weight of 63.59%.

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

July 25, 2025

MFSG

MFSGvsIUSGETF Comparison

MFS Active Growth ETF

iShares Core S&P U.S. Growth ETF

MFSG vs IUSG 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 IUSG ETFs performed in 2026?

As of July 24, 2026, MFSG is up 2.39% year-to-date (YTD), while IUSG has returned 8.15%. That puts IUSG better performer ahead so far this year.

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

Year-to-date, the MFSG ETF saw +$169M in flows, compared to +$2.79B for IUSG.

Which ETF is more volatile: MFSG or IUSG?

Over the past year, MFSG had a volatility of 17.78%, while IUSG experienced 17.55%.

Which ETF is bigger: MFSG or IUSG?

As of July 24, 2026, MFSG holds $354.59 M in assets under management (AUM), while IUSG manages $31.37 B.

What sectors do the MFSG and IUSG ETFs invest in?

MFSG leans toward sectors like Technology, Industrials and Finance. Meanwhile, IUSG focuses on Technology, Finance and Industrials.

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

MFSG top holdings include NVIDIA Corp., Alphabet, Inc. and Apple, Inc.. IUSG holds in its top three: NVIDIA Corp., Microsoft Corp. and Apple, Inc..

Which ETF is more diversified: MFSG or IUSG?

MFSG holds 66 securities with 60.74% of its assets in the top 15. IUSG has 393 securities and a top 15 weight of 63.59%.

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

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