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Astronics ATRO

US equityMarket cap rank #2499Aerospace & DefenseSpace
$68.41 +$0.22 (+0.32%)
Pre-market · Oct 6, 4:30 am ET · After hours $68.41 0.00%
Open$68.26
Prev close$68.19
Day range$67.64 – $69.74
Volume257.2K
Market cap$2.94B
P/E (TTM)36.6
Dividend yield–

Ownership & positioning

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

Institutional ownership77.5%-3.50 pts vs. prior quarter
Institutions holding377+0 vs. prior quarter
Insider trades (recent)42 buys / 8 sellsNet buying
Short interest7.76% of floatDays to cover 5.9 · as of 15 Sep 2026
Short-sale volume share6.8%5-day average of daily volume

Short-sale volume as % of daily volume

3%6%9%12%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$2.52M (7 inflow days, 13 outflow days).

The five largest holders on file together own 25.2% of shares outstanding.

Largest holders

  • BlackRock7.30%
  • Capital Research5.30%
  • State Street Global Advisors4.80%
  • Vanguard Capital Management, LLC4.05%
  • American Century Investment Management3.79%
  • Geode Capital Management, LLC2.43%
  • Emerald Advisers, LLC2.35%
  • Peter Gundermann2.35%

By investor type

  • Mutual Fund60.97%
  • Hedge Fund8.99%
  • Individual/Insider6.22%
  • Public Company3.95%
  • Private Company1.37%
  • Insurance Company0.84%
  • Government Pension Fund0.74%
  • Sovereign Wealth Fund0.43%

Reported short interest has risen from 6.72% to 7.76% 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 3,337,518 7.8% 5.9
31 Aug 2026 3,345,486 7.8% 6.0
14 Aug 2026 3,270,759 7.6% 4.1
31 Jul 2026 3,045,742 7.1% 6.4
15 Jul 2026 3,017,432 7.0% 4.2
30 Jun 2026 2,888,150 6.7% 3.1

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