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ROBTvsBULDETF Comparison

ETF 1

ROBT

First Trust Nasdaq Artificial Intelligence and Robotics ETF

This fund is part of

Robotics & Automation

+1.91%

Full ROBT fund page

VS

ETF 2

BULD

Pacer BlueStar Engineering the Future ETF

This fund is part of

Disruptive Technology

+3.24%

Full BULD fund page

First Trust Nasdaq Artificial Intelligence and Robotics ETF (ROBT) belongs to the Robotics & Automation segment. Pacer BlueStar Engineering the Future ETF (BULD) is part of the Disruptive Technology segment. ROBT's top 3 sector exposures are Information Technology, Industrials and Health Care. In contrast, BULD's top sector exposures are Information Technology, Industrials and Consumer Discretionary. ROBT is more expensive with a Total Expense Ratio (TER) of 0.65%, versus 0.6% for BULD. ROBT is up 6.14% year-to-date (YTD) with +$3M in YTD flows. BULD performs better with 38.5% YTD performance, and +$6M in YTD flows. Run a side-by-side ETF comparison of ROBT and BULD 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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ROBT vs BULD 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 06/12/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	ROBT BULD	+2.27%+12.89%	+13.64%+28.84%	+6.14%+38.50%	+18.92%+63.07%	+21.64%+66.72%	+2.37%n/a
Flows	ROBT BULD	-$6M+$3M	-$13M+$4M	+$3M+$6M	+$144M+$6M	+$272M+$6M	+$416M-

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	ROBT BULD	+28.12%+30.85%	+23.49%+26.50%	+23.47%+23.78%	+25.26%n/a
Max drawdown	ROBT BULD	-10.55%-7.60%	-21.30%-14.54%	-27.48%-26.95%	-43.11%n/a
Max drawdown duration	ROBT BULD	10d13d	210d77d	134d554d	1665dn/a

Trading data

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	ROBT	BULD
Last sale 6/15/2026 at 1:30 PM	$56.46	$36.14
Previous close 06/15/2026	$55.14	$35.56
Consolidated volume 06/15/2026
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

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	ROBT	BULD
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 6/15/2026 at 1:30 PM

Live

Closed

	ROBT	BULD
Last price	$56.46	$36.14
1D performance	+2.39%	+1.63%
AuM	$714.89 M	$9.35 M
E/R	0.65%	0.6%

Characteristics

	ROBT	BULD
Management strategy	Passive	Passive
Provider	First Trust	PACER ETFs
Benchmark	Nasdaq CTA Artificial Intelligence and Robotics Index	BlueStar Robotics and 3D Printing Index
N° of holdings	99	49
Asset class	Equities	Equities
Trailing 12m distribution yield	Join	Join
Inception date	February 21, 2018	May 4, 2022
ESG	No	No

More ROBT data on Trackinsight

More BULD data on Trackinsight

Exposure

Countries

ROBT

USA

62.02%

Japan

8.56%

Other

29.42%

BULD

USA

67.47%

Japan

16.23%

Other

16.3%

Sectors

ROBT

Information Techn.

48.38%

Industrials

16.76%

Other

34.86%

BULD

Information Techn.

59.5%

Industrials

15.96%

Other

24.54%

Diversification

ROBT

Total weight of top 15 holdings out of 15

23.44%

BULD

Total weight of top 15 holdings out of 15

75.81%

Top 15 holdings

Data as of April 30, 2026

ROBT

PALO ALTO NETWORKS

1.72%

CLOUDFLARE INC

1.72%

UPSTART HOLDINGS

1.71%

SYNOPSYS

1.66%

C3 AI

1.60%

SENTINELONE

1.58%

AUTOSTORE HOLDINGS LTD

1.56%

CISCO-T

1.55%

CADENCE DESIGN SYSTEMS

1.53%

US60741F1049

1.52%

OCEANEERING INTL

1.50%

SYMBOTIC INC

1.48%

META PLATFORMS

1.47%

SIEMENS

1.43%

DASSAULT SYSTEMES

1.42%

BULD

USN070592100

8.78%

APPLIED MATERIAL

8.42%

US5128073062

8.41%

PROTO LABS

8.37%

KLA CORPORATION

5.94%

STRATASYS LTD

5.57%

AUTODESK

5.39%

3D SYSTEMS

4.29%

US63008G2030

3.89%

DASSAULT SYSTEMES

3.28%

TOKYO ELECTRON

3.24%

PTC INC

3.00%

KEYENCE

2.93%

EMERSON ELECTRIC

2.19%

BENTLEY SYSTEMS

2.11%

Frequently asked questions about ROBT and BULD

How have the ROBT and BULD ETFs performed in 2026?

As of June 12, 2026, ROBT is up 6.14% year-to-date (YTD), while BULD has returned 38.5%. That puts BULD better performer ahead so far this year.

Which ETF is attracting more investor money: ROBT or BULD?

Year-to-date, the ROBT ETF saw +$3M in flows, compared to +$6M for BULD.

Which ETF is more volatile: ROBT or BULD?

Over the past year, ROBT had a volatility of 23.49%, while BULD experienced 26.5%.

Which ETF is bigger: ROBT or BULD?

As of June 12, 2026, ROBT holds $714.89 M in assets under management (AUM), while BULD manages $9.35 M.

What sectors do the ROBT and BULD ETFs invest in?

ROBT leans toward sectors like Information Technology and Industrials. Meanwhile, BULD focuses on Information Technology and Industrials.

What are the top holdings of the ROBT ETF and BULD ETF?

ROBT top holdings include PALO ALTO NETWORKS, CLOUDFLARE INC and UPSTART HOLDINGS. BULD holds in its top three: USN070592100, APPLIED MATERIAL and US5128073062.

ROBTvsBULDETF Comparison

First Trust Nasdaq Artificial Intelligence and Robotics ETF

Pacer BlueStar Engineering the Future ETF

ROBT vs BULD 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 ROBT and BULD ETFs performed in 2026?

As of June 12, 2026, ROBT is up 6.14% year-to-date (YTD), while BULD has returned 38.5%. That puts BULD better performer ahead so far this year.

Which ETF is attracting more investor money: ROBT or BULD?

Year-to-date, the ROBT ETF saw +$3M in flows, compared to +$6M for BULD.

Which ETF is more volatile: ROBT or BULD?

Over the past year, ROBT had a volatility of 23.49%, while BULD experienced 26.5%.

Which ETF is bigger: ROBT or BULD?

As of June 12, 2026, ROBT holds $714.89 M in assets under management (AUM), while BULD manages $9.35 M.

What sectors do the ROBT and BULD ETFs invest in?

ROBT leans toward sectors like Information Technology and Industrials. Meanwhile, BULD focuses on Information Technology and Industrials.

What are the top holdings of the ROBT ETF and BULD ETF?

ROBT top holdings include PALO ALTO NETWORKS, CLOUDFLARE INC and UPSTART HOLDINGS. BULD holds in its top three: USN070592100, APPLIED MATERIAL and US5128073062.

Which ETF is more diversified: ROBT or BULD?

ROBT holds 104 securities with 23.44% of its assets in the top 15. BULD has 54 securities and a top 15 weight of 75.81%.

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