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DIOD · Diodes Inc /Del/ · Holdings

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Market Cap
$4.38B
Shares
46.05M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 399
Total Value: $5,039,410,544
Total Shares: 46,052,585
Showing 1–100 of 406 holdings by value · page 1 of 5

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 399 13F filers · Δ vs Mar 31, 2026
Top Holder
16.0%
Sep 2023 → Jun 2026 · range 15.5% – 16.3%
+0.1 pts
Top 5
44.0%
Sep 2023 → Jun 2026 · range 41.5% – 55.0%
−2.7 pts
Top 10
60.0%
Sep 2023 → Jun 2026 · range 55.5% – 68.1%
−2.1 pts
HHI
552
Sep 2023 → Jun 2026 · range 538 – 774
Broadly held−54

Quarterly Activity

vs Mar 31, 2026
New
95
Increased
131
Decreased
124
Sold Out
38
Unchanged
49
Holder count: +57
Institutional value: +62.3%
Shares held: +1.2%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 406
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 29002 CUSIP 254543101 13F (30d) 158 filings 157 filers Visit website Investor relations