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Azenta AZTA

US equityMarket cap rank #2824Top Gainers Yesterday
$42.73 +$3.98 (+10.27%)
Pre-market · Oct 6, 7:10 am ET · After hours $43.42 +1.63%
Open$39.49
Prev close$38.75
Day range$38.84 – $43.22
Volume2.37M
Market cap$1.87B
P/E (TTM)–
Dividend yield–

Ownership & positioning

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

Institutional ownership115.9%+0.49 pts vs. prior quarter
Institutions holding298+0 vs. prior quarter
Insider trades (recent)38 buys / 12 sellsNet buying
Short interest12.29% of floatDays to cover 6.2 · as of 15 Sep 2026
Short-sale volume share15.8%5-day average of daily volume

Short-sale volume as % of daily volume

8%12%17%22%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$4.66M (6 inflow days, 14 outflow days).

The five largest holders on file together own 42.6% of shares outstanding.

Largest holders

  • BlackRock17.19%
  • Politan Capital Management, L.P.10.55%
  • Vanguard Portfolio Management, LLC5.69%
  • Vanguard Capital Management, LLC4.89%
  • State Street Global Advisors4.25%
  • MFS Investment Management3.25%
  • D. E. Shaw & Co., L.P.3.06%
  • Front Street Capital Management, Inc.2.97%

By investor type

  • Mutual Fund84.34%
  • Hedge Fund21.66%
  • Public Company5.26%
  • Government Pension Fund1.90%
  • Private Company1.08%
  • Insurance Company0.98%
  • Individual/Insider0.67%
  • Sovereign Wealth Fund0.49%

Reported short interest has fallen from 13.50% to 12.29% 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 5,382,386 12.3% 6.2
31 Aug 2026 5,370,607 12.3% 7.1
14 Aug 2026 5,250,376 12.0% 7.1
31 Jul 2026 5,339,160 11.6% 9.4
15 Jul 2026 6,032,546 13.1% 9.9
30 Jun 2026 6,221,125 13.5% 8.5

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