Cathie Wood-led Ark Investment Management on Wednesday snapped up 2.07 million shares, worth about $39 million, in Palantir Technologies Inc (NYSE:PLTR), on a day the stock reversed the earnings-driven gains of the previous session.

Shares of software and analytics tool-making company traded sharply lower on Wednesday, closing 6.53% lower at $18.89 and were further down 0.6% in extended hours. PLTR shares had jumped over 9% on Tuesday after reporting an earnings beat.

The trades were made through Ark Innovation ETF (NYSE:ARKK). Ark holds Palantir via two funds, ARKK and the ARK Next Generation Internet ETF (NYSE:ARKW), which together held 25.23 million shares, worth about $510 million, ahead of Wednesday’s trade.

Wednesday was third straight where Ark added Palantir to its portfolio.

Other Ark Buys On Wednesday:

• Coinbase Global Inc (NASDAQ:COIN)
• Zymergen Inc (NASDAQ:ZY)
• Signify Health Inc (NYSE:SGFY)
• Repare Therapeutics Inc (NASDAQ:RPTX)
• Recursion Pharmaceuticals Inc (NASDAQ:RXRX)

• 908 Devices Inc (NASDAQ:MASS)
• Uipath Inc (NYSE:PATH)
• Ionis Pharmaceuticals Inc (NASDAQ:IONS)
• CM Life Sciences II Inc (NASDAQ:CMII)
• Adaptive Biotechnologies Corp (NASDAQ:ADPT)
• Codexis Inc (NASDAQ:CDXS)
• Berkeley Lights Inc (NASDAQ:BLI)
• Butterfly Network Inc (NYSE:BFLY)
• Skillz Inc (NYSE:SKLZ) 
• TuSimple Holdings (NASDAQ:TSP)
• Twilio Inc (NYSE:TWLO)
• Unity Software Inc (NYSE:U)
• Zillow Group Inc Class A (NASDAQ:ZG)
• Zoom Video Communications Inc (NASDAQ:ZM)
• DraftKings Inc (NASDAQ:DKNG)
• Exact Sciences Corporation (NASDAQ:EXAS)
• Roku Inc (NASDAQ:ROKU)
• Kratos Defense & Security Solutions Inc (NASDAQ:KTOS)
• Iridium Communications Inc (NASDAQ:IRDM)
• The 3D Printing ETF (BATS:PRNT)

Other Ark Sells On Wednesday:

• Yeahka Ltd (OTC:YHEKF)
• Silvergate Capital Corp (NYSE:SI)
• Thermo Fisher Scientific Inc (NYSE:TMO)
• Syros Pharmaceuticals Inc (NASDAQ:SYRS)
• Takeda Pharmaceutical Co Ltd (NYSE:TAK)
• Sarepta Therapeutics Inc (NASDAQ:SRPT)
• Roche Holding Ag (OTC:RHHBY)
• Pluristem Therapeutics Inc (NASDAQ:PSTI)
• Regeneron Pharmaceuticals Inc (NASDAQ:REGN)
• Phreesia Inc (NYSE:PHR)
• Novartis Ag (NYSE:NVS)
• KE Holdings (NYSE:BEKE)
• Baidu Inc (NASDAQ:BIDU)
• Lendingtree Inc (NASDAQ:TREE)
• Synopsys Inc (NASDAQ:SNPS)

• Huya Inc (NYSE:HUYA)
• Intercontinental Exchange Inc (NYSE:ICE)
• Pure Storage Inc (NYSE:PSTG)
• Workhorse Group Inc (NASDAQ:WKHS)
• Alphabet Inc (NASDAQ:GOOGL)

Photo by Cory Doctorow on Flickr