Dan Sundheim's D1 Capital Partners took new positions in home furnishing suppliers and retailers in the fourth quarter, and doubled down on its holdings of some of the biggest technology stocks, according to its latest 13F filing with the Securities and Exchange Commission . The New York-based hedge fund bought a $205 million initial position in Floor & Decor Holdings , and $104 million worth of shares in mattress maker Tempur Sealy in the fourth quarter. D1 more than doubled its stake in home furnishings chain RH , valued at the end of the quarter at roughly $473 million, making the company formerly known as Restoration Hardware its third largest holding after Microsoft and Amazon. Sundheim placed new bets on fintech companies Bill.com Holdings and Intuit , buying about $91 million and $14 million worth of shares in each company, respectively. D1 also bought $81 million worth of Alibaba . D1 enlarged its holdings in Google parent Alphabet , Microsoft , Amazon and Datadog in the latest quarter. Sundheim sold out of his entire position in electric automaker Tesla last quarter, while trimming about 11% of his holding in EV maker Rivian Automotive , still worth $256 million. Sundheim exited positions in T-Mobile , S & P Global , Mastercard and Intuitive Surgical , the latter two being small positions that were only added in the third quarter. Semiconductor stocks were reduced in the quarter, with stakes in Micron Technology and Nvidia falling by 83% and 61%, respectively. D1 also reduced its holdings in Sherwin-Williams by 50% after it took a $400 million stake in the company during the third quarter of last year, and substantially trimmed its holdings in fintech names Alkami Technology , Block and Workday . D1 managed about $40 billion at the end of the fourth quarter, according to WhaleWisdom.com. Sundheim started D1 in 2018 after a stint as chief investment officer at Viking Global Investors.