Here are the top 20 holdings of the Space Exploration & Innovation ETF ($ARKX) managed by Cathie Wood and ARK Invest: 1 Rocket Lab ($RKLB) 2 L3Harris Technologies ($LHX) 3 Kratos Defense & Security ($KTOS) 4 Teradyne ($TER) 5 AeroVironment ($AVAV) 6 Deere & Co ($DE) 7 Advanced Micro Devices ($AMD) 8 Archer Aviation ($ACHR) 9 Iridium Communications ($IRDM) 10 Trimble ($TRMB) 11 Palantir ($PLTR) 12 Amazon ($AMZN) 13 Alphabet ($GOOG) 14 Komatsu ($6301) 15 Joby Aviation ($JOBY) 16 NVIDIA ($NVDA) 17 Thales ($HO) 18 Intuitive Machines ($LUNR) 19 BWX Technologies ($BWXT) 20 Strata Critical Medical ($SRTA)