Cathie Wood-led Ark Invest on Monday continued its buying spree in $Palantir Technologies Inc(PLTR.US)$, piled up 2.57 million shares — estimated to be worth about $63 million — on the dip.

Palantir shares closed 1.61% lower at $24.50 on Monday.

The New York-based investment firm owns stakes in the Peter Thiel-co-founded data analytics company via all of its six active exchange-traded funds but deployed the $ARK Innovation ETF(ARKK.US)$, $ARK Fintech Innovation ETF(ARKF.US)$, $ARK Next Generation Internet ETF(ARKW.US)$ and the $ARK Space Exploration & Innovation ETF(ARKX.US)$to buy the shares.

The six ETFs held a total of 35.5 million shares, worth $870 million, in Palantir, as of Monday’s trades.

Here are some of the other key trades for Ark on Monday:

• Snapped up 210,644 shares — estimated to be worth about $11.05 million — in $DraftKings Inc(DKNG.US)$ on the dip. DraftKings shares closed 1.94% to $52.46 on Friday. 

• Shed 149,695 shares, estimated to be worth about $39.43 million in $Square, INC.(SQ.US)$, on the dip. Shares of Square closed 1.67% lower at $263.40 on Monday.

• Reduced its exposure in $Alibaba Group Holding Ltd(BABA.US)$by 152,255 shares - estimated to be worth about $27.82 million, on the day the shares of the Chinese conglomerate fell 3.12% to close at $182.71. 

• Sold 6,975 shares — estimated to be worth about $19.3 million — in Google parent $Alphabet Inc-CL C(GOOG.US)$. Alphabet shares closed marginally up at $2,766.19 on Monday.

• Other key buys included $Zillow Group Inc(ZG.US)$, $UiPath, Inc.(PATH.US)$, $StoneCo Ltd(STNE.US)$, $JAWS SPITFIRE ACQUISITION CORP(SPFR.US)$ and sells included $BASE INC ORD(BAINF.US)$,  $TENCENT HLD ADR(TCEHY.US)$, and $BYD Co.(BYDDF.US)$.