Latest Period
Q2 2026
Security Snapshot
DIODES INC /DEL/ - COMMON STOCK (DIOD) Institutional Ownership
CUSIP: 254543101
13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026
Institutions Reporting
395
Shares (Excl. Options)
45,818,353
Price
$109.44
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- Security type / class
- Equity / COMMON STOCK
- Symbol
- DIOD on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 45,818,353
- Total 13F value
- $5,008,321,371
- Portfolio coverage rank
- 0%
- Share change
- +397,617
- Value change
- +$88,874,679
- Number of holders
- 395
- Shares outstanding
- 45,706,088
- SEC-reported price per share
- $80.29
- Insider filing price
- $80.29
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- DIOD - DIODES INC /DEL/ - COMMON STOCK is tracked under CUSIP 254543101.
- 395 institutions reported positions in Q2 2026.
- 6 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 332 to 395 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $3,095,501,857 to $5,008,321,371.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 395 institutions filings for Q2 2026.
Security key
254543101
Latest holder period
Q2 2026
13F holders
395
13D/G owners
6
CIK / CUSIP context first
Open Q2 2026 holders
DIOD full holder history
DIODES INC /DEL/ SEC filings
DIODES INC /DEL/ company facts
DIODES INC /DEL/ insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 254543101:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
6
Security
DIOD
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 15% | $357,590,877 | 6,761,030 | BlackRock, Inc. | 30 Jun 2025 | |||
| FMR LLC | 9.5% | -24% | $422,156,390 | -$126,027,452 | 4,380,124 | -23% | FMR LLC | 30 Jun 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 8% | $249,597,946 | 3,656,577 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| STATE STREET CORP | 5.7% | +14% | $251,093,706 | +$31,149,823 | 2,605,247 | +14% | STATE STREET CORPORATION | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | 5.1% | $159,295,768 | 2,333,662 | Vanguard Capital Management | 31 Mar 2026 | |||
| DIMENSIONAL FUND ADVISORS LP | 4.8% | -6% | $240,823,377 | -$17,995,657 | 2,200,506 | -7% | Dimensional Fund Advisors LP | 30 Jun 2026 |
As of 30 Jun 2026, 395 institutional investors reported holding 45,818,353 shares of DIODES INC /DEL/ - COMMON STOCK (DIOD). This represents 100% of the company’s total 45,706,088 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
79%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 16% | 7,345,758 | +2% | 0.01% | $803,919,771 |
| FMR LLC | 9.6% | 4,380,124 | -23% | 0.02% | $479,360,814 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 8.2% | 3,742,338 | +2.8% | 0.02% | $409,561,471 |
| STATE STREET CORP | 5.7% | 2,605,247 | +14% | 0.01% | $285,100,818 |
| DIMENSIONAL FUND ADVISORS LP | 4.8% | 2,200,506 | -9.7% | 0.04% | $240,802,844 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.4% | 1,994,456 | +0.62% | 0% | $218,273,265 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 3.7% | 1,682,686 | +281% | 0.55% | $184,153,156 |
| GEODE CAPITAL MANAGEMENT, LLC | 3.6% | 1,647,832 | +15% | 0.01% | $180,363,015 |
| MORGAN STANLEY | 2.3% | 1,045,681 | -37% | 0.01% | $114,439,473 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 2.1% | 976,111 | +1738% | 0.01% | $106,826,000 |
| EARNEST PARTNERS LLC | 2.1% | 964,595 | -3.7% | 0.38% | $105,565,277 |
| Invesco Ltd. | 1.9% | 889,222 | +7.3% | 0.01% | $97,316,456 |
| AMERICAN CENTURY COMPANIES INC | 1.8% | 806,886 | +578% | 0.04% | $88,305,823 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.6% | 728,885 | -5.6% | 0.01% | $79,769,174 |
| Global Alpha Capital Management Ltd. | 1.3% | 578,999 | -31% | 3.8% | $63,365,651 |
| NORTHERN TRUST CORP | 1.3% | 574,559 | +6% | 0.01% | $62,879,736 |
| VICTORY CAPITAL MANAGEMENT INC | 1.1% | 507,594 | -36% | 0.03% | $55,551,087 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 1.1% | 480,789 | -17% | 0.08% | $52,618,000 |
| BESSEMER GROUP INC | 1% | 460,743 | +3.6% | 0.07% | $50,424,000 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 0.97% | 443,716 | +3.6% | 0.13% | $48,560,271 |
| OBERWEIS ASSET MANAGEMENT INC/ | 0.91% | 413,750 | +84% | 0.94% | $45,280,800 |
| Bank of New York Mellon Corp | 0.83% | 378,480 | +33% | 0.01% | $41,420,824 |
| PANAGORA ASSET MANAGEMENT INC | 0.78% | 358,368 | +111% | 0.12% | $39,219,794 |
| Boston Partners | 0.78% | 357,679 | +4.3% | 0.03% | $38,604,801 |
| Artemis Investment Management LLP | 0.77% | 351,347 | 0.34% | $38,451,416 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
50
Latest
Q2 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 45,818,353 | $5,008,321,371 | +$88,874,679 | $109.44 | 395 |
| 2026 Q1 | 45,379,235 | $3,095,501,857 | +$106,940,314 | $68.26 | 332 |
| 2025 Q4 | 44,353,433 | $2,189,135,712 | -$116,937,479 | $49.34 | 302 |
| 2025 Q3 | 46,036,275 | $2,449,362,247 | +$51,131,244 | $53.21 | 286 |
| 2025 Q2 | 45,147,688 | $2,388,474,927 | -$13,775,986 | $52.89 | 288 |
| 2025 Q1 | 45,604,439 | $1,968,750,577 | -$152,729,294 | $43.17 | 270 |
| 2024 Q4 | 48,042,286 | $2,962,319,295 | +$73,837,618 | $61.67 | 269 |
| 2024 Q3 | 46,727,944 | $2,994,779,792 | -$57,266,903 | $64.09 | 290 |
| 2024 Q2 | 47,285,032 | $3,401,225,395 | +$144,048,799 | $71.93 | 282 |
| 2024 Q1 | 45,338,362 | $3,195,501,812 | -$28,801,099 | $70.50 | 303 |
| 2023 Q4 | 45,499,236 | $3,663,033,788 | +$66,709,873 | $80.52 | 332 |
| 2023 Q3 | 44,557,353 | $3,513,121,295 | +$2,193,230 | $78.84 | 349 |
| 2023 Q2 | 43,935,698 | $4,063,460,726 | -$75,391,832 | $92.49 | 350 |
| 2023 Q1 | 44,410,185 | $4,118,595,989 | -$2,060,910 | $92.76 | 335 |
| 2022 Q4 | 44,769,353 | $3,409,495,651 | +$23,571,551 | $76.14 | 327 |
| 2022 Q3 | 44,340,274 | $2,878,454,584 | +$27,789,204 | $64.91 | 285 |
| 2022 Q2 | 43,706,611 | $2,823,685,068 | +$23,265,439 | $64.57 | 295 |
| 2022 Q1 | 43,216,419 | $3,759,091,026 | +$38,414,416 | $86.99 | 309 |
| 2021 Q4 | 42,616,866 | $4,679,249,392 | -$43,084,315 | $109.81 | 308 |
| 2021 Q3 | 42,342,981 | $3,836,959,508 | +$60,398,963 | $90.59 | 275 |
| 2021 Q2 | 41,534,955 | $3,313,582,857 | -$40,089,730 | $79.77 | 261 |
| 2021 Q1 | 41,953,723 | $3,349,818,860 | +$17,833,881 | $79.84 | 268 |
| 2020 Q4 | 41,628,907 | $2,936,139,163 | -$15,525,712 | $70.50 | 248 |
| 2020 Q3 | 41,819,491 | $2,361,643,213 | +$16,190,073 | $56.45 | 227 |
| 2020 Q2 | 41,409,562 | $2,099,230,662 | -$13,474,250 | $50.70 | 226 |