Who owns DIODES INC /DEL/?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of DIOD from SEC Form 13F filings across 397 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 397 institutions disclosed 45.8M shares of DIODES INC /DEL/ worth $5.01B — about 99.8% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
397
13F holders
$5.01B
value, 2026 filers
99.8%
of shares outstanding (45.8M sh)
98
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of DIOD's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 7.3M | $803.9M | 0.0% | 16% | +2.0% |
| 2 | FMR LLC | 4.4M | $479.4M | 0.0% | 9.5% | -23.0% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.7M | $409.6M | 0.0% | 8.1% | +2.8% |
| 4 | STATE STREET CORP | 2.6M | $285.1M | 0.0% | 5.7% | +14.2% |
| 5 | DIMENSIONAL FUND ADVISORS LP | 2.2M | $240.8M | 0.0% | 4.8% | -9.7% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2.0M | $218.3M | 0.0% | 4.3% | +0.6% |
| 7 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1.7M | $184.2M | 0.6% | 3.7% | +281.1% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1.6M | $180.4M | 0.0% | 3.6% | +14.7% |
| 9 | MORGAN STANLEY | 1.0M | $114.4M | 0.0% | 2.3% | -37.2% |
| 10 | PRICE T ROWE ASSOCIATES INC /MD/ | 976,111 | $106.8M | 0.0% | 2.1% | +1738.5% |
| 11 | EARNEST PARTNERS LLC | 964,595 | $105.6M | 0.4% | 2.1% | -3.7% |
| 12 | Invesco Ltd. | 889,222 | $97.3M | 0.0% | 1.9% | +7.3% |
| 13 | AMERICAN CENTURY COMPANIES INC | 806,886 | $88.3M | 0.0% | 1.8% | +578.3% |
| 14 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 728,885 | $79.8M | 0.0% | 1.6% | -5.6% |
| 15 | Global Alpha Capital Management Ltd. | 578,999 | $63.4M | 3.8% | 1.3% | -30.9% |
| 16 | NORTHERN TRUST CORP | 574,559 | $62.9M | 0.0% | 1.3% | +6.0% |
| 17 | VICTORY CAPITAL MANAGEMENT INC | 507,594 | $55.6M | 0.0% | 1.1% | -35.9% |
| 18 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 480,789 | $52.6M | 0.1% | 1% | -17.4% |
| 19 | BESSEMER GROUP INC | 460,743 | $50.4M | 0.1% | 1% | +3.6% |
| 20 | FULLER & THALER ASSET MANAGEMENT, INC. | 443,716 | $48.6M | 0.1% | 1% | +3.6% |
| 21 | OBERWEIS ASSET MANAGEMENT INC/ | 413,750 | $45.3M | 0.9% | 0.9% | +84.5% |
| 22 | Bank of New York Mellon Corp | 378,480 | $41.4M | 0.0% | 0.8% | +33.2% |
| 23 | PANAGORA ASSET MANAGEMENT INC | 358,368 | $39.2M | 0.1% | 0.8% | +111.5% |
| 24 | Boston Partners | 357,679 | $38.6M | 0.0% | 0.8% | +4.3% |
| 25 | Artemis Investment Management LLPNEW | 351,347 | $38.5M | 0.3% | 0.8% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.