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Appian APPN

US equityMarket cap rank #2562Software - Infrastructure
$38.21 +$1.53 (+4.17%)
Pre-market · Oct 6, 8:20 am ET · After hours $37.96 -0.65%
Open$36.62
Prev close$36.68
Day range$36.57 – $38.21
Volume541.7K
Market cap$2.74B
P/E (TTM)–
Dividend yield–

Ownership & positioning

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

Institutional ownership55.7%-0.18 pts vs. prior quarter
Institutions holding264-2 vs. prior quarter
Insider trades (recent)33 buys / 17 sellsNet buying
Short interest5.29% of floatDays to cover 3.8 · as of 15 Sep 2026
Short-sale volume share16.5%5-day average of daily volume

Short-sale volume as % of daily volume

13%17%20%23%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$2.28M (12 inflow days, 8 outflow days).

The five largest holders on file together own 60.0% of shares outstanding.

Largest holders

  • Matthew Calkins40.27%
  • Vanguard Portfolio Management, LLC5.84%
  • BlackRock5.00%
  • Fivespan Partners LP4.90%
  • Lead Edge Capital Management, LLC4.02%
  • Robert Kramer3.33%
  • Vanguard Capital Management, LLC2.73%
  • RPD Fund Management LLC2.59%

By investor type

  • Individual/Insider44.26%
  • Mutual Fund32.91%
  • Hedge Fund15.57%
  • VC/PE Fund4.02%
  • Public Company1.61%
  • Private Company0.60%
  • Insurance Company0.50%
  • Government Pension Fund0.46%

Reported short interest has fallen from 8.32% to 5.29% 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 3,787,904 5.3% 3.8
31 Aug 2026 3,479,809 4.9% 4.4
14 Aug 2026 3,999,798 5.6% 4.3
31 Jul 2026 4,508,906 6.1% 5.3
15 Jul 2026 5,989,933 8.2% 9.3
30 Jun 2026 6,106,533 8.3% 6.4

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