ARK Industrial Innovation ETF (NYSEARCA: ARKQ) has traded since its inception in 2014. It invests in companies that are focused on and are expected to benefit substantially from advances in new products or services, technological improvements and advancements in scientific research. These themes include energy, automation and manufacturing, materials and transportation, and specific themes include autonomous transportation, robotics and automation, 3D printing, energy storage and space exploration.

That leaves a lot of themes on top of automation and robotics and AI and machine learning, but the fund’s website also showed that the ETF will be more concentrated in the industrial and information technology sectors. ARK also has an ETF with many overlaps called the ARK Innovation ETF (ARKK), and it is even larger with $1.6 billion in assets under management.

The industrial innovation ETF’s gain year to date was last seen at 19.7%, with $175 million in net assets under management and a 0.75% expense ratio. The ETF typically has 30 to 50 different stocks, and its top 10 holdings were as follows:

• Tesla (10.11%)
• Stratasys (10.01%)
• Nvidia (9.57%)
• Baidu (9.10%)
• Materialise (4.96%)
• Teradyne (4.53%)
• Proto Labs (4.18%)
• Aptiv (4.17%)
• Trimble (2.94%)
• Tencent (2.90%)

Global X Robotics & Artificial Intelligence ETF (NASDAQ: BOTZ) has been around since 2016, and it aims to track the Indxx Global Robotics & Artificial Intelligence Thematic Index. This fund targets companies that are expected to benefit from a higher adoption and utilization of robotics and AI, including those involved with industrial robotics and automation, nonindustrial robots and autonomous vehicles.

It was last seen to have $1.74 billion in assets under management. Its overall expense ratio is 0.68%, and it was last seen trading up 30% so far in 2019. The ETF’s top 10 holdings include many foreign-listed shares, with a high number listed in Japan:

• Intuitive Surgical (7.39%)
• Keyence (7.36%)
• Mitsubishi Electric (6.95%)
• ABB (6.48%)
• Fanuc (6.44%)
• Daifuku (5.93%)
• Omron (5.00%)
• SMC (4.98%)
• Nvidia (4.94%)
• Yaskawa Electric (4.71%)

iShares Robotics and Artificial Intelligence ETF (NYSEARCA: IRBO) was first created in June 2018, and it is looking to track the NYSE FactSet Global Robotics and Artificial Intelligence Index. This ETF is targeting developed and emerging market companies that could benefit from the long-term growth and innovation in robotics technologies and AI.

It was last seen to have $30.6 million in assets under management. The overall expense ratio is 0.47%, and it was last seen trading up about 27% so far in 2019. The ETF recently had a total of 87 holdings, with these top 10:

• Snap (1.82%)
• Cloudera (1.76%)
• Lattice Semiconductor (1.67%)
• MongoDB (1.59%)
• Momo (1.54%)
• Meitu (1.47%)
• Nemestchek (1.46%)
• Talend (1.41%)
• Xilinx (1.40%)
• MaxLinear (1.34%)