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Novocure NVCR

US equityMarket cap rank #2870
$15.20 +$0.26 (+1.74%)
Pre-market · Oct 6, 5:20 am ET · After hours $15.20 0.00%
Open$14.83
Prev close$14.94
Day range$14.56 – $15.30
Volume1.78M
Market cap$1.77B
P/E (TTM)–
Dividend yield–

Ownership & positioning

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

Institutional ownership90.8%-0.73 pts vs. prior quarter
Institutions holding267-1 vs. prior quarter
Insider trades (recent)34 buys / 16 sellsNet buying
Short interest10.13% of floatDays to cover 11.5 · as of 15 Sep 2026
Short-sale volume share20.8%5-day average of daily volume

Short-sale volume as % of daily volume

17%19%22%24%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: +$454.6K (10 inflow days, 10 outflow days).

The five largest holders on file together own 47.3% of shares outstanding.

Largest holders

  • FMR14.92%
  • BlackRock11.52%
  • Soleus Capital Management, L.P.8.51%
  • Hansjoerg Wyss6.99%
  • Vanguard Portfolio Management, LLC5.39%
  • Vanguard Capital Management, LLC4.86%
  • Morgan Stanley3.81%
  • State Street Global Advisors2.46%

By investor type

  • Mutual Fund60.79%
  • Hedge Fund16.44%
  • Public Company9.31%
  • Individual/Insider8.68%
  • Private Company1.73%
  • Government Pension Fund1.53%
  • Insurance Company0.75%
  • VC/PE Fund0.12%

Reported short interest has fallen from 10.26% to 10.13% 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 11,796,425 10.1% 11.5
31 Aug 2026 10,788,851 9.3% 7.6
14 Aug 2026 9,170,033 7.9% 8.4
31 Jul 2026 10,137,546 8.7% 4.9
15 Jul 2026 11,460,044 9.9% 7.5
30 Jun 2026 11,884,203 10.3% 6.2

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