Who owns Diodes Incorporated?
Institutional ownership of DIOD from SEC Form 13F filings across 266 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.
266
13F holders
$3.69B
value, 2026 filers
77.1%
of shares outstanding (35.4M sh)
55
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 | VANGUARD CAPITAL MANAGEMENT LLC | 2.0M | $218.3M | 0.0% | 4.3% | -49.7% |
| 5 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1.7M | $184.2M | 0.6% | 3.7% | +281.1% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 1.6M | $180.4M | 0.0% | 3.6% | +14.7% |
| 7 | MORGAN STANLEY | 1.0M | $114.4M | 0.0% | 2.3% | -37.2% |
| 8 | PRICE T ROWE ASSOCIATES INC /MD/ | 976,111 | $106,826 | 0.0% | 2.1% | +1738.5% |
| 9 | Invesco Ltd. | 889,222 | $97.3M | 0.0% | 1.9% | +7.3% |
| 10 | AMERICAN CENTURY COMPANIES INC | 806,886 | $88.3M | 0.0% | 1.8% | +578.3% |
| 11 | Sixth Street Partners Management Company, L.P.NEW | 728,885 | $79.8M | 13.8% | 1.6% | new |
| 12 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 728,885 | $79.8M | 0.0% | 1.6% | -5.6% |
| 13 | NORTHERN TRUST CORP | 574,559 | $62.9M | 0.0% | 1.3% | +6.0% |
| 14 | VICTORY CAPITAL MANAGEMENT INC | 507,594 | $55.6M | 0.0% | 1.1% | -35.9% |
| 15 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 480,789 | $52.6M | 0.1% | 1% | -17.4% |
| 16 | BESSEMER GROUP INC | 460,743 | $50,424 | 0.1% | 1% | +3.6% |
| 17 | Bank of New York Mellon Corp | 378,480 | $41.4M | 0.0% | 0.8% | +33.2% |
| 18 | GOLDMAN SACHS GROUP INC | 338,980 | $37.1M | 0.0% | 0.7% | -63.6% |
| 19 | VANGUARD FIDUCIARY TRUST CO | 323,459 | $35.4M | 0.0% | 0.7% | +10.0% |
| 20 | Public Sector Pension Investment Board | 315,740 | $34.6M | 0.1% | 0.7% | +92.4% |
| 21 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 308,948 | $33.8M | 0.0% | 0.7% | -30.3% |
| 22 | ROYAL BANK OF CANADA | 246,161 | $26.9M | 0.0% | 0.5% | -31.6% |
| 23 | JPMORGAN CHASE & CO | 233,396 | $24.5M | 0.0% | 0.5% | -11.0% |
| 24 | PRINCIPAL FINANCIAL GROUP INC | 224,127 | $24.5M | 0.0% | 0.5% | +0.5% |
| 25 | AMERIPRISE FINANCIAL INC | 223,146 | $24.4M | 0.0% | 0.5% | -33.1% |
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.