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Klaviyo KVYO

US equityMarket cap rank #2144
$16.70 +$0.99 (+6.30%)
Market closed · Oct 6, 12:20 am ET · Last extended-hours $16.27 -2.60%
Open$15.82
Prev close$15.71
Day range$15.81 – $16.75
Volume4.26M
Market cap$4.75B
P/E (TTM)556.7
Dividend yield–

Ownership & positioning

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

Institutional ownership62.4%-2.80 pts vs. prior quarter
Institutions holding325-2 vs. prior quarter
Insider trades (recent)16 buys / 34 sellsNet selling
Short interest6.90% of floatDays to cover 3.0 · as of 15 Sep 2026
Short-sale volume share19.9%5-day average of daily volume

Short-sale volume as % of daily volume

15%20%26%31%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$5.52M (9 inflow days, 11 outflow days).

The five largest holders on file together own 53.4% of shares outstanding.

Largest holders

  • Andrew Bialecki26.46%
  • Edward Hallen11.61%
  • Shopify Inc.6.08%
  • Summit Partners, L.P.4.87%
  • Capital Research4.42%
  • Accomplice Management, LLC3.90%
  • Vanguard Portfolio Management, LLC2.70%
  • BlackRock2.67%

By investor type

  • Individual/Insider38.60%
  • Mutual Fund31.25%
  • VC/PE Fund11.87%
  • Public Company9.66%
  • Hedge Fund7.46%
  • Government Pension Fund0.97%
  • Private Company0.68%
  • Family Office/Trust0.39%

Reported short interest has fallen from 7.47% to 6.90% 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 19,637,710 6.9% 3.0
31 Aug 2026 21,333,740 7.5% 4.4
14 Aug 2026 26,044,121 9.1% 2.8
31 Jul 2026 18,800,651 6.3% 4.6
15 Jul 2026 24,193,487 8.1% 5.4
30 Jun 2026 22,357,421 7.5% 3.2

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