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MFSGvsIUSGETF Comparison

ETF 1

MFSG

MFS Active Growth ETF

This fund is part of

US Large Cap Growth

-0.54%

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

-0.54%

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. Both ETFs have the same top 3 sector exposures: Information Technology, Communication Services and Consumer Discretionary. MFSG is more expensive with a Total Expense Ratio (TER) of 0.49%, versus 0.04% for IUSG. MFSG is up 3.89% year-to-date (YTD) with +$102M in YTD flows. IUSG performs better with 6.35% YTD performance, and +$2.14B 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 04/27/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	MFSG IUSG	+18.52%+18.61%	+2.41%+4.21%	+3.89%+6.35%	+30.52%+39.16%	n/a+104.38%	n/a+90.55%
Flows	MFSG IUSG	+$27M+$304M	+$89M+$1.11B	+$102M+$2.14B	+$191M+$2.32B	-+$4.19B	-+$6.32B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	MFSG IUSG	+21.60%+21.32%	+16.77%+16.29%	n/a+18.83%	n/a+21.10%
Max drawdown	MFSG IUSG	-14.23%-12.98%	-16.18%-12.98%	n/a-22.25%	n/a-32.26%
Max drawdown duration	MFSG IUSG	79d76d	177d76d	n/a151d	n/a793d

Trading data

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	MFSG	IUSG
Last sale 4/29/2026 at 1:30 PM	$29.05	$176.01
Previous close 04/28/2026	$29.08	$176.76
Consolidated volume 04/28/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of March 31, 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 4/29/2026 at 1:30 PM

Live

Closed

	MFSG	IUSG
Last price	$29.05	$176.01
1D performance	-0.10%	-0.42%
AuM	$293.43 M	$30.25 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	47	366
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

92.62%

Other

7.38%

IUSG

USA

98.41%

Other

1.59%

Sectors

MFSG

Information Techn.

48.09%

Communication Ser.

11.29%

Consumer Discreti.

9.97%

Industrials

7.03%

Other

23.62%

IUSG

Information Techn.

46.37%

Communication Ser.

15.6%

Consumer Discreti.

9.38%

Financials

7.83%

Health Care

7.21%

Industrials

7.05%

Other

6.55%

Diversification

MFSG

Total weight of top 15 holdings out of 15

69.52%

IUSG

Total weight of top 15 holdings out of 15

63.96%

Top 15 holdings

Data as of March 31, 2026

MFSG

NVIDIA

14.22%

MICROSOFT-T

9.38%

APPLE

9.14%

ALPHABET INC-CL

7.70%

AMAZON.COM INC

6.16%

US36828A1016

3.16%

VISA INCORPORATION

3.11%

BROADCOM LIMITED

3.06%

META PLATFORMS

2.96%

US8740391003

2.38%

AMPHENOL

1.91%

KLA CORPORATION

1.81%

GENERAL ELECTRIC

1.65%

TJX

1.45%

US5128073062

1.43%

IUSG

NVIDIA

13.84%

MICROSOFT-T

8.97%

APPLE

6.08%

ALPHABET INC-CL

5.47%

BROADCOM LIMITED

4.79%

ALPHABET INC-CL

4.38%

META PLATFORMS

4.09%

AMAZON.COM INC

3.52%

BERKSHIRE HATHWAY

2.87%

LILLY

2.38%

TESLA

2.12%

JPMORGAN CHASE

1.76%

NETFLIX

1.33%

MICRON TECHNOLOGY

1.24%

JOHNSON&JOHNSON

1.13%

Frequently asked questions about MFSG and IUSG

How have the MFSG and IUSG ETFs performed in 2026?

As of April 27, 2026, MFSG is up 3.89% year-to-date (YTD), while IUSG has returned 6.35%. 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 +$102M in flows, compared to +$2.14B for IUSG.

Which ETF is more volatile: MFSG or IUSG?

Over the past year, MFSG had a volatility of 16.77%, while IUSG experienced 16.29%.

Which ETF is bigger: MFSG or IUSG?

As of April 27, 2026, MFSG holds $293.43 M in assets under management (AUM), while IUSG manages $30.25 B.

What sectors do the MFSG and IUSG ETFs invest in?

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

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

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

Which ETF is more diversified: MFSG or IUSG?

MFSG holds 50 securities with 69.52% of its assets in the top 15. IUSG has 386 securities and a top 15 weight of 63.96%.

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 April 27, 2026, MFSG is up 3.89% year-to-date (YTD), while IUSG has returned 6.35%. 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 +$102M in flows, compared to +$2.14B for IUSG.

Which ETF is more volatile: MFSG or IUSG?

Over the past year, MFSG had a volatility of 16.77%, while IUSG experienced 16.29%.

Which ETF is bigger: MFSG or IUSG?

As of April 27, 2026, MFSG holds $293.43 M in assets under management (AUM), while IUSG manages $30.25 B.

What sectors do the MFSG and IUSG ETFs invest in?

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

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

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

Which ETF is more diversified: MFSG or IUSG?

MFSG holds 50 securities with 69.52% of its assets in the top 15. IUSG has 386 securities and a top 15 weight of 63.96%.

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

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