Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in DIOD held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 7.2M | $491.4M | +0.1% | 15.668% | 0.01% |
| 2 | FMR LLC | 5.7M | $388.2M | -9.8% | 12.380% | 0.02% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.6M | $248.4M | β | 7.920% | 0.01% |
| 4 | DIMENSIONAL FUND ADVISORS LP | 2.4M | $166.3M | +2.3% | 5.303% | 0.03% |
| 5 | STATE STREET CORP | 2.3M | $155.8M | -3.6% | 4.967% | 0.01% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2.0M | $135.3M | β | 4.314% | 0.00% |
| 7 | MORGAN STANLEY | 1.7M | $113.6M | -7.1% | 3.623% | 0.01% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1.4M | $98.1M | +6.4% | 3.127% | 0.01% |
| 9 | EARNEST PARTNERS LLC | 1.0M | $68.4M | -1.7% | 2.180% | 0.28% |
| 10 | GOLDMAN SACHS GROUP INC | 931K | $63.6M | +41.8% | 2.027% | 0.01% |
| 11 | Global Alpha Capital Management Ltd. | 838K | $57.2M | -2.0% | 1.823% | 3.44% |
| 12 | Invesco Ltd. | 828K | $56.5M | +379.0% | 1.803% | 0.01% |
| 13 | VICTORY CAPITAL MANAGEMENT INC | 792K | $54.0M | +55.3% | 1.723% | 0.03% |
| 14 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 772K | $52.7M | -3.1% | 1.681% | 0.01% |
| 15 | FRONTIER CAPITAL MANAGEMENT CO LLC | 592K | $40.4M | -4.3% | 1.290% | 0.42% |
| 16 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 582K | $39.7M | -1.6% | 1.267% | 0.07% |
| 17 | NORTHERN TRUST CORP | 542K | $37.0M | +3.8% | 1.180% | 0.00% |
| 18 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 443K | $30.2M | -27.8% | 0.965% | 0.02% |
| 19 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 442K | $30.1M | -6.5% | 0.961% | 0.10% |
| 20 | FULLER & THALER ASSET MANAGEMENT, INC. | 428K | $29.2M | β | 0.932% | 0.10% |
| 21 | BANK OF AMERICA CORP /DE/ | 391K | $26.7M | +11.3% | 0.851% | 0.00% |
| 22 | ROYAL BANK OF CANADA | 360K | $24.6M | -4.7% | 0.784% | 0.00% |
| 23 | Boston Partners | 343K | $23.4M | +853.7% | 0.747% | 0.02% |
| 24 | Tributary Capital Management, LLC | 341K | $23.3M | -1.4% | 0.743% | 2.26% |
| 25 | AMERIPRISE FINANCIAL INC | 333K | $22.8M | -6.3% | 0.726% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in DIOD β a direct measure of their conviction.
Filings activity in DIOD during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new DIOD position in Q1 2026
Institutions that fully closed their DIOD position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 329 | +9.3% | 60.00% | +17.29 pp | $3.00B | +40% |
| Q4 2025 | 301 | +5.2% | 42.71% | 5.63 pp | $2.13B | 12% |
| Q3 2025 | 286 | 1.7% | 48.34% | +1.49 pp | $2.42B | +3.2% |
| Q2 2025 | 291 | +8.2% | 46.85% | +7.73 pp | $2.34B | +20% |
| Q1 2025 | 269 | +0.0% | 39.12% | 17.80 pp | $1.95B | 31% |
| Q4 2024 | 269 | 6.6% | 56.92% | +1.10 pp | $2.84B | +2.0% |
| Q3 2024 | 288 | +2.5% | 55.82% | 7.03 pp | $2.79B | 11% |
| Q2 2024 | 281 | β | 62.85% | β | $3.14B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying DIOD stock.
Based on Q1 2026 13F filings, institutional ownership of Diodes Incorporated stands at 60.0%, held across 329 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of DIOD, with approximately 7,198,574 shares worth $0.49B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of DIOD.
Our composite Smart Money Score for DIOD is 55 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
71 institutions opened new positions in DIOD during Q1 2026, while 43 fully exited. 227 added to existing positions and 30 trimmed.
DIOD institutional ownership rose by 17.29 percentage points quarter-over-quarter, with a net change of +28 holders.
The top 10 institutions account for 64.3% of all reported 13F value in DIOD, and the top 25 account for 82.6%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Diodes Incorporated (DIOD) Institutional Ownership