Diodes
DIOD · NASDAQ
$85.39+$0.62 (+0.73%)TodayMarket closed ·
Prev close $84.77
Who owns DIOD
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 54.7% of DIOD’s shares.
- BlackRock Institutional Trust Company, N.A.14.2%
- Vanguard Portfolio Management, LLC8.1%
- Fidelity Management & Research Company LLC6.2%
- State Street Investment Management (US)5.7%
- Next 6 largest institutions20.5%
- All other shareholders45.3%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 6.54M | 14.24% |
| Vanguard Portfolio Management, LLC | 3.74M | 8.15% |
| Fidelity Management & Research Company LLC | 2.84M | 6.18% |
| State Street Investment Management (US) | 2.61M | 5.67% |
| Dimensional Fund Advisors, L.P. | 2.20M | 4.79% |
| Vanguard Capital Management, LLC | 1.99M | 4.34% |
| William Blair Investment Management, LLC | 1.68M | 3.66% |
| Geode Capital Management, L.L.C. | 1.65M | 3.59% |
| EARNEST Partners, LLC | 964.60K | 2.10% |
| T. Rowe Price Associates, Inc. | 914.39K | 1.99% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Small-Cap ETF | 2.80M | 6.09% |
| Vanguard Total Stock Market Index Fund | 1.39M | 3.03% |
| iShares Russell 2000 ETF | 1.19M | 2.59% |
| Vanguard Information Technology Index Fund | 1.12M | 2.45% |
| Vanguard Small-Cap Index Fund | 1.00M | 2.18% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $7.62M (16 trades) of DIOD on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Yu Evan | Award | 2.25K | — |
| White Richard Dallas | Sale | 2.00K | $214.02K |
| White Richard Dallas | Sale | 1.00K | $104.48K |
| Tang Francis | Sale | 15.33K | $1.72M |
| Yu Gary | Sale | 3.63K | $399.81K |
| Yang Emily | Sale | 3.00K | $330.24K |
| Tang Francis | Sale | 5.00K | $550.40K |
| LU KEH SHEW | Tax withholding | 1.97K | $213.23K |
| Tsong Andy | Sale | 1.58K | $169.20K |
| Yu Gary | Tax withholding | 592 | $64.08K |
Short interest
Settled Sep 30, 2026
- Shares short
- 2.53M
- Days to cover
- 4.91
- % of shares outstanding
- 5.51%
- Average daily volume
- 515.13K
- Change since last report
- +6.1%
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