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CareDx CDNA

US equityMarket cap rank #2353Diagnostics & Research
$69.85 +$2.70 (+4.02%)
Market closed · Oct 6, 12:30 am ET · Last extended-hours $69.01 -1.21%
Open$66.89
Prev close$67.15
Day range$66.17 – $70.75
Volume1.64M
Market cap$3.61B
P/E (TTM)33.6
Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership101.2%-4.80 pts vs. prior quarter
Institutions holding276-2 vs. prior quarter
Insider trades (recent)12 buys / 38 sellsNet selling
Short interest12.17% of floatDays to cover 6.3 · as of 15 Sep 2026
Short-sale volume share18.3%5-day average of daily volume

Short-sale volume as % of daily volume

10%16%22%28%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: +$11.54M (15 inflow days, 5 outflow days).

The five largest holders on file together own 26.7% of shares outstanding.

Largest holders

  • BlackRock9.31%
  • Vanguard Capital Management, LLC4.96%
  • State Street Global Advisors4.77%
  • Deerfield Management Company, L.P.3.86%
  • ARK Investment Management LLC3.78%
  • Boston Partners Global Investors, Inc.3.75%
  • Baron Capital Group, Inc.3.74%
  • Gagnon Securities, LLC3.15%

By investor type

  • Mutual Fund69.57%
  • Hedge Fund24.67%
  • Individual/Insider4.41%
  • Public Company3.46%
  • Private Company2.00%
  • Government Pension Fund0.86%
  • Family Office/Trust0.39%
  • Insurance Company0.21%

Reported short interest has fallen from 16.14% to 12.17% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 6,297,191 12.2% 6.3
31 Aug 2026 5,828,536 11.3% 4.8
14 Aug 2026 5,789,862 11.2% 5.0
31 Jul 2026 6,135,225 11.9% 4.3
15 Jul 2026 6,187,364 12.0% 7.8
30 Jun 2026 8,337,870 16.1% 7.3

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