CAREDX INC (CDNA) Stock Institutional Trading Activity


CAREDX INC (CDNA) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, First Eagle U.S. Value, and ARK Invest. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2023First Eagle U.S. ValueBuy201,477724,844$6,161,174
Q1 2023ARK InvestBuy611,2576,799,439$62,146,872
Q1 2023Renaissance Technologies LLCBuy81,2001,026,900$9,386
Q1 2023First Eagle U.S. ValueBuy251,692523,367$4,783,574
Q4 2022ARK InvestBuy401,0626,188,182$70,607,157
Q4 2022Renaissance Technologies LLCBuy185,300945,700$10,790
Q4 2022First Eagle U.S. ValueBuy59,034271,675$3,099,811
Q3 2022ARK InvestBuy1,791,6705,787,120$98,497
Q3 2022First Eagle U.S. ValueBuy65,190212,641$3,619
Q3 2022Renaissance Technologies LLCSell-207,800760,400$12,942
Q2 2022ARK InvestBuy484,2163,995,450$100,486
Q2 2022First Eagle U.S. ValueBuy91,276147,451$3,167
Q2 2022Renaissance Technologies LLCBuy636,300968,200$20,797
Q1 2022ARK InvestSell-127,5403,511,234$129,881
Q1 2022First Eagle U.S. ValueBuy56,17556,175$2,078
Q1 2022Renaissance Technologies LLCBuy241,300331,900$12,277
Q4 2021ARK InvestBuy228,6213,638,774$165,491
Q4 2021Renaissance Technologies LLCSell-208,30090,600$4,120
Q3 2021ARK InvestSell-1,153,9573,410,153$216,101
Q3 2021Renaissance Technologies LLCBuy287,100298,900$18,941
Q2 2021ARK InvestBuy103,2864,564,110$417,707
Q1 2021ARK InvestBuy398,5024,460,824$303,738
Q1 2021Renaissance Technologies LLCSell-158,60011,800$803
Q4 2020ARK InvestBuy2,203,0954,062,322$294,315
Q3 2020ARK InvestBuy583,7251,859,227$70,539
Q3 2020Renaissance Technologies LLCSell-76,600170,400$6,465
Q2 2020ARK InvestBuy487,3581,275,502$45,191
Q1 2020ARK InvestBuy222,706788,144$17,205
Q4 2019ARK InvestBuy248,138565,438$12,196
Q3 2019ARK InvestBuy189,692317,300$7,174

Frequently asked questions about CDNA activity

  • Which institutional owners are buying CDNA?

    Institutional owners buying CDNA include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in CDNA activity?

    "Buy" means an investor increased their reported position in CDNA compared to the prior reporting period. This reflects growing exposure to CAREDX INC (CDNA) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in CDNA increasing?

    Institutional interest in CDNA can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.