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Diodes DIOD

US equityMarket cap rank #2141Semiconductors
$103.53 −$0.31 (-0.30%)
Market closed · Oct 5, 10:20 pm ET · Last extended-hours $103.53 0.00%
Open$105.20
Prev close$103.84
Day range$101.15 – $105.20
Volume421.4K
Market cap$4.77B
P/E (TTM)55.7
Dividend yield–

Ownership & positioning

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

Institutional ownership100.7%-0.40 pts vs. prior quarter
Institutions holding469+1 vs. prior quarter
Insider trades (recent)12 buys / 36 sellsNet selling
Short interest5.18% of floatDays to cover 5.0 · as of 15 Sep 2026
Short-sale volume share18.3%5-day average of daily volume

Short-sale volume as % of daily volume

11%16%20%24%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$3.83M (7 inflow days, 13 outflow days).

The five largest holders on file together own 44.2% of shares outstanding.

Largest holders

  • BlackRock15.95%
  • FMR9.48%
  • Vanguard Portfolio Management, LLC8.13%
  • State Street Global Advisors5.66%
  • Vanguard Capital Management, LLC5.03%
  • Dimensional Fund Advisors4.78%
  • William Blair Investment Management, LLC3.68%
  • Geode Capital Management, LLC3.58%

By investor type

  • Mutual Fund93.35%
  • Hedge Fund3.04%
  • Public Company1.92%
  • Individual/Insider1.59%
  • Government Pension Fund1.19%
  • Private Company0.59%
  • Insurance Company0.31%
  • Family Office/Trust0.17%

Reported short interest has risen from 4.47% to 5.18% 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 2,386,213 5.2% 5.0
31 Aug 2026 2,236,918 4.9% 3.4
14 Aug 2026 1,819,859 4.0% 2.4
31 Jul 2026 1,731,705 3.8% 3.5
15 Jul 2026 1,968,424 4.3% 4.7
30 Jun 2026 2,055,829 4.5% 2.3

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