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TMATvsMIDETF Comparison

ETF 1

TMAT

Main Thematic Innovation ETF

This fund is part of

Multiple Trends

+0%

Full TMAT fund page

VS

ETF 2

MID

American Century Mid Cap Growth Impact ETF

This fund is part of

US Mid Cap Growth

+0%

Full MID fund page

Main Thematic Innovation ETF (TMAT) belongs to the Multiple Trends segment. American Century Mid Cap Growth Impact ETF (MID) is part of the US Mid Cap Growth segment. TMAT's top 3 sector exposures are Information Technology, Industrials and Materials. In contrast, MID's top sector exposures are Industrials, Information Technology and Health Care. TMAT is more expensive with a Total Expense Ratio (TER) of 0.82%, versus 0.45% for MID. TMAT is up 21.58% year-to-date (YTD) with +$9M in YTD flows. MID performs worse with 3.95% YTD performance, and +$775K in YTD flows. Run a side-by-side ETF comparison of TMAT and MID 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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TMAT vs MID 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 06/18/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	TMAT MID	+11.00%+6.29%	+25.50%+8.24%	+21.58%+3.95%	+37.57%+6.09%	+105.80%+45.21%	+30.94%+26.85%
Flows	TMAT MID	+$1M+$2M	+$6M+$6M	+$9M+$775K	+$23M+$11M	+$33M+$34M	+$85M+$63M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	TMAT MID	+31.34%+23.59%	+25.82%+18.57%	+28.45%+20.28%	+30.84%+24.07%
Max drawdown	TMAT MID	-10.63%-6.77%	-21.62%-14.34%	-33.46%-23.84%	-52.06%-40.04%
Max drawdown duration	TMAT MID	16d16d	224d214d	129d154d	1478d1060d

Trading data

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	TMAT	MID
Last sale 6/18/2026 at 1:30 PM	$30.38	$67.58
Previous close 06/18/2026	$29.85	$66.65
Consolidated volume 06/18/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Main metrics

Last update 6/18/2026 at 1:30 PM

Live

Closed

	TMAT	MID
Last price	$30.38	$67.58
1D performance	+1.77%	+1.40%
AuM	$247.21 M	$100.79 M
E/R	0.82%	0.45%

Characteristics

	TMAT	MID
Management strategy	Active	Active
Provider	Main Management ETF Advisors	American Century Investments
Benchmark	-	-
N° of holdings	78	34
Asset class	-	-
Trailing 12m distribution yield	Join	Join
Inception date	January 29, 2021	July 15, 2020
ESG	No	Yes

More TMAT data on Trackinsight

More MID data on Trackinsight

Exposure

Countries

TMAT

USA

85.46%

Other

14.54%

MID

USA

79.4%

Other

20.6%

Sectors

TMAT

Information Techn.

44.81%

Industrials

23.63%

Materials

7.16%

Other

24.41%

MID

Industrials

22.13%

Information Techn.

21.82%

Health Care

15.25%

Consumer Discreti.

11.99%

Energy

7.12%

Other

21.69%

Diversification

TMAT

Total weight of top 15 holdings out of 15

32.33%

MID

Total weight of top 15 holdings out of 15

60.89%

Top 15 holdings

Data as of April 30, 2026

TMAT

VICOR

2.82%

MICRON TECHNOLOGY

2.80%

PALO ALTO NETWORKS

2.63%

CLEAR SECURE

2.55%

LUMENTUM HOLDINGS

2.47%

CIENA

2.40%

KEYSIGHT TECHNOLOGIES

2.19%

ADVANCED ENERGY INDUSTRIES

1.87%

MODINE MNFC CO

1.85%

BENTLEY SYSTEMS

1.85%

AAON

1.82%

CROWDSTRIKE HOLDINGS INC

1.78%

VERTIV HOLDINGS

1.78%

TERADYNE

1.78%

AUTODESK

1.74%

MID

CLOUDFLARE INC

6.85%

MONOLITHIC POWER SYSTEMS

6.34%

JOHNSON CONTROLS INTERNATIONAL

5.84%

TARGA RESOURCS

4.90%

TRACTOR SUPPLY

4.54%

VISTRA CORP

4.29%

CADENCE DESIGN SYSTEMS

3.96%

WESCO INTL

3.93%

VERTIV HOLDINGS

3.33%

MSCI

3.31%

HUBBELL

3.06%

REPUBLIC SVCS

2.89%

TOPBUILD CORP

2.64%

ALNYLAM PHARMACEUTICALS

2.60%

ZSCALER INC

2.41%

Frequently asked questions about TMAT and MID

How have the TMAT and MID ETFs performed in 2026?

As of June 18, 2026, TMAT is up 21.58% year-to-date (YTD), while MID has returned 3.95%. That puts TMAT better performer ahead so far this year.

Which ETF is attracting more investor money: TMAT or MID?

Year-to-date, the TMAT ETF saw +$9M in flows, compared to +$775K for MID.

Which ETF is more volatile: TMAT or MID?

Over the past year, TMAT had a volatility of 25.82%, while MID experienced 18.57%.

Which ETF is bigger: TMAT or MID?

As of June 18, 2026, TMAT holds $247.21 M in assets under management (AUM), while MID manages $100.79 M.

What sectors do the TMAT and MID ETFs invest in?

TMAT leans toward sectors like Information Technology, Industrials and Materials. Meanwhile, MID focuses on Industrials, Information Technology and Health Care.

What are the top holdings of the TMAT ETF and MID ETF?

TMAT top holdings include VICOR, MICRON TECHNOLOGY and PALO ALTO NETWORKS. MID holds in its top three: CLOUDFLARE INC, MONOLITHIC POWER SYSTEMS and JOHNSON CONTROLS INTERNATIONAL.

Which ETF is more diversified: TMAT or MID?

TMAT holds 80 securities with 32.33% of its assets in the top 15. MID has 34 securities and a top 15 weight of 60.89%.

Biggest potential ETF theme - Innovation

October 13, 2022

TMAT

TMATvsMIDETF Comparison

Main Thematic Innovation ETF

American Century Mid Cap Growth Impact ETF

TMAT vs MID 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 TMAT and MID ETFs performed in 2026?

As of June 18, 2026, TMAT is up 21.58% year-to-date (YTD), while MID has returned 3.95%. That puts TMAT better performer ahead so far this year.

Which ETF is attracting more investor money: TMAT or MID?

Year-to-date, the TMAT ETF saw +$9M in flows, compared to +$775K for MID.

Which ETF is more volatile: TMAT or MID?

Over the past year, TMAT had a volatility of 25.82%, while MID experienced 18.57%.

Which ETF is bigger: TMAT or MID?

As of June 18, 2026, TMAT holds $247.21 M in assets under management (AUM), while MID manages $100.79 M.

What sectors do the TMAT and MID ETFs invest in?

TMAT leans toward sectors like Information Technology, Industrials and Materials. Meanwhile, MID focuses on Industrials, Information Technology and Health Care.

What are the top holdings of the TMAT ETF and MID ETF?

TMAT top holdings include VICOR, MICRON TECHNOLOGY and PALO ALTO NETWORKS. MID holds in its top three: CLOUDFLARE INC, MONOLITHIC POWER SYSTEMS and JOHNSON CONTROLS INTERNATIONAL.

Which ETF is more diversified: TMAT or MID?

TMAT holds 80 securities with 32.33% of its assets in the top 15. MID has 34 securities and a top 15 weight of 60.89%.

Biggest potential ETF theme - Innovation

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