Latest Period
Q1 2026
Security Snapshot
DIODES INC /DEL/ - COMMON STOCK (DIOD) Institutional Ownership
CUSIP: 254543101
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
328
Shares (Excl. Options)
45,374,819
Price
$68.26
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- Security type / class
- Equity / COMMON STOCK
- Symbol
- DIOD on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 45,374,819
- Total 13F value
- $3,095,199,965
- Portfolio coverage rank
- 0%
- Share change
- +1,283,749
- Value change
- +$106,665,956
- Number of holders
- 328
- Shares outstanding
- 45,640,980
- SEC-reported price per share
- $103.45
- Insider filing price
- $103.45
Latest holder snapshot
5 signals
Issuer context
Who this page is about.
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.
- 328 institutions reported positions in Q1 2026.
- 6 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 301 to 328 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $2,189,135,071 to $3,095,199,965.
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 328 institutions filings for Q1 2026.
Security key
254543101
Latest holder period
Q1 2026
13F holders
328
13D/G owners
6
CIK / CUSIP context first
Open Q1 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 | 12% | -8.6% | $472,480,097 | -$51,456,964 | 5,687,734 | -9.8% | FMR LLC | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 8% | $249,597,946 | 3,656,577 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| DIMENSIONAL FUND ADVISORS LP | 5.1% | $91,499,529 | 2,364,940 | Dimensional Fund Advisors LP | 31 Mar 2025 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 5.1% | $159,295,768 | 2,333,662 | Vanguard Capital Management | 31 Mar 2026 | |||
| STATE STREET CORP | 5% | -6% | $189,569,810 | -$14,748,746 | 2,282,049 | -7.2% | STATE STREET CORPORATION | 31 Mar 2026 |
As of 31 Mar 2026, 328 institutional investors reported holding 45,374,819 shares of DIODES INC /DEL/ - COMMON STOCK (DIOD). This represents 99% of the company’s total 45,640,980 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
80%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 16% | 7,198,574 | +0.07% | 0.01% | $491,374,651 |
| FMR LLC | 12% | 5,687,734 | -9.8% | 0.02% | $388,244,751 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 8% | 3,638,932 | 0% | 0.01% | $248,393,498 |
| DIMENSIONAL FUND ADVISORS LP | 5.3% | 2,436,359 | +2.3% | 0.03% | $166,294,107 |
| STATE STREET CORP | 5% | 2,282,049 | -3.6% | 0.01% | $155,772,665 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.3% | 1,982,166 | 0% | 0% | $135,302,651 |
| MORGAN STANLEY | 3.6% | 1,664,526 | -7.1% | 0.01% | $113,620,688 |
| GEODE CAPITAL MANAGEMENT, LLC | 3.1% | 1,436,862 | +6.4% | 0.01% | $98,095,640 |
| EARNEST PARTNERS LLC | 2.2% | 1,001,435 | -1.7% | 0.28% | $68,357,953 |
| GOLDMAN SACHS GROUP INC | 2% | 931,131 | +42% | 0.01% | $63,559,002 |
| Global Alpha Capital Management Ltd. | 1.8% | 837,654 | -2% | 3.4% | $57,178,262 |
| Invesco Ltd. | 1.8% | 828,419 | +379% | 0.01% | $56,547,881 |
| VICTORY CAPITAL MANAGEMENT INC | 1.7% | 791,636 | +55% | 0.03% | $54,037,073 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.7% | 772,338 | -3.1% | 0.01% | $52,719,792 |
| FRONTIER CAPITAL MANAGEMENT CO LLC | 1.3% | 592,499 | -4.3% | 0.42% | $40,443,982 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 1.3% | 582,236 | -1.6% | 0.07% | $39,743,000 |
| NORTHERN TRUST CORP | 1.2% | 542,209 | +3.8% | 0% | $37,011,186 |
| BESSEMER GROUP INC | 0.97% | 444,540 | +5.9% | 0.05% | $30,346,000 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 0.97% | 443,123 | -28% | 0.02% | $30,247,576 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 0.97% | 441,562 | -6.5% | 0.1% | $30,141,022 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 0.94% | 428,170 | 0.1% | $29,226,855 | |
| BANK OF AMERICA CORP /DE/ | 0.86% | 390,807 | +11% | 0% | $26,676,485 |
| ROYAL BANK OF CANADA | 0.79% | 360,133 | -4.7% | 0% | $24,582,000 |
| Boston Partners | 0.75% | 343,031 | +854% | 0.02% | $23,429,804 |
| Tributary Capital Management, LLC | 0.75% | 341,227 | -1.4% | 2.3% | $23,292,155 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 45,374,819 | $3,095,199,965 | +$106,665,956 | $68.26 | 328 |
| 2025 Q4 | 44,353,420 | $2,189,135,071 | -$116,937,479 | $49.34 | 301 |
| 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 |
| 2020 Q1 | 41,212,374 | $1,674,858,393 | -$64,464,131 | $40.64 | 219 |