BeStock  

Five9 FIVN

US equityMarket cap rank #2598Software - Infrastructure
$34.37 +$0.01 (+0.03%)
Pre-market · Oct 6, 5:00 am ET · After hours $34.37 0.00%
Open$34.58
Prev close$34.36
Day range$33.85 – $35.17
Volume2.24M
Market cap$2.57B
P/E (TTM)50.5
Dividend yield–

Ownership & positioning

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

Institutional ownership114.5%+6.03 pts vs. prior quarter
Institutions holding342-1 vs. prior quarter
Insider trades (recent)15 buys / 35 sellsNet selling
Short interest11.69% of floatDays to cover 5.6 · as of 15 Sep 2026
Short-sale volume share19.2%5-day average of daily volume

Short-sale volume as % of daily volume

15%20%25%30%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$3.76M (8 inflow days, 12 outflow days).

The five largest holders on file together own 42.5% of shares outstanding.

Largest holders

  • BlackRock15.89%
  • Vanguard Portfolio Management, LLC9.48%
  • Voss Capital, LP6.51%
  • Columbia Management Investment Advisers, LLC5.54%
  • Vanguard Capital Management, LLC5.11%
  • Van Berkom and Associates Inc.4.16%
  • Anson Group3.34%
  • Driehaus Capital Management LLC3.03%

By investor type

  • Mutual Fund80.26%
  • Hedge Fund24.63%
  • Public Company5.08%
  • Individual/Insider4.05%
  • Private Company3.31%
  • Government Pension Fund1.06%
  • Sovereign Wealth Fund0.08%
  • Corporate Pension Plan0.07%

Reported short interest has risen from 10.95% to 11.69% 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 8,736,863 11.7% 5.6
31 Aug 2026 8,542,903 11.4% 5.4
14 Aug 2026 11,329,017 15.2% 3.6
31 Jul 2026 9,265,315 12.1% 2.5
15 Jul 2026 7,819,611 10.2% 3.6
30 Jun 2026 8,380,601 10.9% 3.0

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