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CDNA Hedge Fund Activity: Q1 2026 in Review

190 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in CareDx (CDNA) for Q1 2026, worth a combined $912M — down 7.2% from $983M a quarter earlier.

Sellers outnumbered buyers: 31 funds closed out of CDNA and 26 opened new positions — a net loss of 5 holders — while 58 trimmed existing stakes and 74 added.

The largest buyer was Boston Partners, adding an estimated $18.6M. The largest seller was Citadel Advisors, cutting an estimated $10.6M.

  • 190 institutional investors held CareDx (CDNA) as of Q1 2026, down from 200 in Q4 2025.
  • Funds reported $912M of CareDx stock for Q1 2026, down 7.2% quarter-over-quarter.
  • 26 funds opened new CareDx positions in Q1 2026 and 31 closed out, a net change of -5 holders.
  • The largest CareDx buyer in Q1 2026 was Boston Partners, an estimated $18.6M added.
  • The largest CareDx seller in Q1 2026 was Citadel Advisors, an estimated $10.6M sold.

Based on aggregated 13F filings for Q1 2026.