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Teradyne TER

US equityMarket cap rank #267Artificial IntelligencePhysical AIRobotics
$384.57
−$4.57 (-1.17%)
Market open · Sep 24, 2:00 pm ET
After hours $385.21 -1.01%
Open$382.66
Prev close$389.14
Day range$376.03 – $388.41
Volume605.7K
Market cap$60.12B
P/E (TTM)52.8
Dividend yield0.13%

Ownership & positioning

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

Institutional ownership99.2%-0.16 pts vs. prior quarter
Institutions holding1,659-8 vs. prior quarter
Insider trades (recent)9 buys / 7 sellsNet buying
Short interest4.49% of floatDays to cover 2.9 · as of 31 Aug 2026
Short-sale volume share20.8%5-day average of daily volume

Short-sale volume as % of daily volume

10%16%23%29%Aug '26Sep '26Sep '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$23.04M (8 inflow days, 12 outflow days).

Largest holders

  • BlackRock12.43%
  • Vanguard Capital Management, LLC7.12%
  • Vanguard Portfolio Management, LLC5.52%
  • State Street Global Advisors4.66%
  • Invesco Capital Management LLC3.66%

By investor type

  • Mutual Fund79.50%
  • Hedge Fund7.16%
  • Public Company5.95%
  • Government Pension Fund2.17%
  • Private Company2.06%
  • Sovereign Wealth Fund1.52%
  • Family Office/Trust0.25%
  • Insurance Company0.21%
Institutional holders1,659
Institutional ownership99.2%

Insider activity

Total transactions20
Bought9
Sold7

Short interest

Report dateShares short% of floatDays to cover
31 Aug 2026 7,024,720 4.5% 2.9
14 Aug 2026 6,845,520 4.4% 2.6
31 Jul 2026 8,027,285 5.1% 1.9
15 Jul 2026 7,299,251 4.7% 1.9
30 Jun 2026 9,125,390 5.8% 1.3
15 Jun 2026 8,851,566 5.7% 2.3
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