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Frontier Group ULCC

US equityMarket cap rank #3026
$6.11 −$0.08 (-1.29%)
Pre-market · Oct 6, 6:00 am ET · After hours $6.12 +0.16%
Open$6.22
Prev close$6.19
Day range$6.09 – $6.28
Volume1.87M
Market cap$1.41B
P/E (TTM)–
Dividend yield–

Ownership & positioning

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

Institutional ownership69.0%-5.10 pts vs. prior quarter
Institutions holding206+0 vs. prior quarter
Insider trades (recent)30 buys / 20 sellsNet buying
Short interest10.54% of floatDays to cover 9.9 · as of 15 Sep 2026
Short-sale volume share18.6%5-day average of daily volume

Short-sale volume as % of daily volume

15%19%23%26%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$936.1K (10 inflow days, 10 outflow days).

The five largest holders on file together own 67.9% of shares outstanding.

Largest holders

  • William Franke29.30%
  • Indigo Partners LLC13.94%
  • Wildcat Capital Management, LLC12.19%
  • Group Holdings - Frontier Llc9.86%
  • BlackRock2.59%
  • Brian Franke2.51%
  • U.S. Global Investors, Inc.2.13%
  • Two Sigma Investments, LP2.03%

By investor type

  • Individual/Insider33.49%
  • Hedge Fund25.53%
  • Mutual Fund14.97%
  • VC/PE Fund13.94%
  • Private Company12.41%
  • Public Company2.00%
  • Family Office/Trust0.06%
  • Sovereign Wealth Fund0.05%

Reported short interest has risen from 10.30% to 10.54% 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 24,258,108 10.5% 9.9
31 Aug 2026 24,740,394 10.7% 10.4
14 Aug 2026 23,208,255 10.1% 7.3
31 Jul 2026 23,495,196 10.2% 5.6
15 Jul 2026 23,746,229 10.3% 6.0
30 Jun 2026 23,658,419 10.3% 5.7

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