DIODES INC (DIOD) Top Institutional Shareholders
DIODES INC (DIOD) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $3.00B in DIOD holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of DIOD tracked by InsiderSet, reporting ownership valued at approximately $491.37M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $783.20M, representing an estimated gain of +59.39% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 64% of the total disclosed DIOD value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Fmr Llc, Vanguard Portfolio Management Llc, and several other long-term asset managers with concentrated positions in DIODES INC (DIOD).
This page ranks the largest institutional DIOD shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
330
Total Reported Value
$3.00B
Largest Holder
Blackrock, Inc.
Largest Position
$491.37M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
86
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 7,198,574 | $491,374,651 | $783,204,851 | +$291,830,200 | +59.39% | |
| Fmr Llc | 0.02% | 5,687,734 | $388,244,751 | $618,825,459 | +$230,580,708 | +59.39% | |
| Vanguard Portfolio Management Llc | 0.01% | 3,638,932 | $248,393,498 | $395,915,802 | +$147,522,304 | +59.39% | |
| Dimensional Fund Advisors Lp | 0.03% | 2,436,359 | $166,294,107 | $265,075,859 | +$98,781,752 | +59.40% | |
| State Street Corp | 0.01% | 2,282,049 | $155,772,665 | $248,286,931 | +$92,514,266 | +59.39% | |
| Vanguard Capital Management Llc | 0.00% | 1,982,166 | $135,302,651 | $215,659,661 | +$80,357,010 | +59.39% | |
| Morgan Stanley | 0.01% | 1,664,526 | $113,620,688 | $181,100,429 | +$67,479,741 | +59.39% | |
| Geode Capital Management, Llc | 0.01% | 1,436,862 | $98,095,640 | $156,330,586 | +$58,234,946 | +59.37% | |
| Earnest Partners Llc | 0.28% | 1,001,435 | $68,357,953 | $108,956,128 | +$40,598,175 | +59.39% | |
| Goldman Sachs Group Inc | 0.01% | 931,131 | $63,559,002 | $101,307,053 | +$37,748,051 | +59.39% | |
| Global Alpha Capital Management Ltd. | 3.44% | 837,654 | $57,178,262 | $91,136,755 | +$33,958,493 | +59.39% | |
| Invesco Ltd. | 0.01% | 828,419 | $56,547,881 | $90,131,987 | +$33,584,106 | +59.39% | |
| Victory Capital Management Inc | 0.03% | 791,636 | $54,037,073 | $86,129,997 | +$32,092,924 | +59.39% | |
| Charles Schwab Investment Management Inc | 0.01% | 772,338 | $52,719,792 | $84,030,374 | +$31,310,582 | +59.39% | |
| Frontier Capital Management Co Llc | 0.42% | 592,499 | $40,443,982 | $64,463,891 | +$24,019,909 | +59.39% | |
| Nomura Asset Management International Inc. | 0.07% | 582,236 | $39,743,000 | $63,347,277 | +$23,604,277 | +59.39% | |
| Northern Trust Corp | 0.00% | 542,209 | $37,011,186 | $58,992,339 | +$21,981,153 | +59.39% | |
| Arrowstreet Capital, Limited Partnership | 0.02% | 443,123 | $30,247,576 | $48,211,782 | +$17,964,206 | +59.39% | |
| William Blair Investment Management, Llc | 0.10% | 441,562 | $30,141,022 | $48,041,946 | +$17,900,924 | +59.39% | |
| Fuller & Thaler Asset Management, Inc. | 0.10% | 428,170 | $29,226,855 | $46,584,896 | +$17,358,041 | +59.39% | |
| Bank Of America Corp | 0.00% | 390,807 | $26,676,485 | $42,519,802 | +$15,843,317 | +59.39% | |
| Royal Bank Of Canada | 0.00% | 360,138 | $24,582,000 | $39,183,014 | +$14,601,014 | +59.40% | |
| Boston Partners | 0.02% | 343,031 | $23,429,804 | $37,321,773 | +$13,891,969 | +59.29% | |
| Tributary Capital Management, Llc | 2.26% | 341,227 | $23,292,155 | $37,125,498 | +$13,833,343 | +59.39% | |
| Ameriprise Financial Inc | 0.01% | 333,424 | $22,759,522 | $36,276,531 | +$13,517,009 | +59.39% | |
| Vanguard Fiduciary Trust Co | 0.01% | 294,029 | $20,070,420 | $31,990,355 | +$11,919,935 | +59.39% | |
| Bank Of New York Mellon Corp | 0.00% | 284,235 | $19,401,893 | $30,924,768 | +$11,522,875 | +59.39% | |
| Allspring Global Investments Holdings, Llc | 0.03% | 254,167 | $17,517,190 | $27,653,370 | +$10,136,180 | +57.86% | |
| Oberweis Asset Management Inc/ | 0.45% | 224,300 | $15,310,718 | $24,403,840 | +$9,093,122 | +59.39% | |
| Principal Financial Group Inc | 0.01% | 222,963 | $15,219,454 | $24,258,374 | +$9,038,920 | +59.39% | |
| Two Sigma Investments, Lp | 0.01% | 221,015 | $15,086,484 | $24,046,432 | +$8,959,948 | +59.39% | |
| Ubs Group Ag | 0.00% | 212,472 | $14,503,339 | $23,116,954 | +$8,613,615 | +59.39% | |
| D. E. Shaw & Co., Inc. | 0.01% | 202,781 | $13,841,831 | $22,062,573 | +$8,220,742 | +59.39% | |
| Aqr Capital Management Llc | 0.01% | 188,372 | $12,858,273 | $20,494,874 | +$7,636,601 | +59.39% | |
| Emerald Advisers, Llc | 0.39% | 181,053 | $12,358,678 | $19,698,566 | +$7,339,888 | +59.39% | |
| Kennedy Capital Management Llc | 0.25% | 171,266 | $11,690,617 | $18,633,741 | +$6,943,124 | +59.39% | |
| Panagora Asset Management Inc | 0.04% | 169,466 | $11,567,749 | $18,437,901 | +$6,870,152 | +59.39% | |
| Balyasny Asset Management L.P. | 0.02% | 166,848 | $11,389,044 | $18,153,062 | +$6,764,018 | +59.39% | |
| Envestnet Asset Management Inc | 0.00% | 165,267 | $11,281,098 | $17,981,050 | +$6,699,952 | +59.39% | |
| Lazard Asset Management Llc | 0.02% | 164,673 | $11,240,579 | $17,916,422 | +$6,675,843 | +59.39% | |
| Public Sector Pension Investment Board | 0.03% | 164,080 | $11,200,101 | $17,851,904 | +$6,651,803 | +59.39% | |
| Russell Investments Group, Ltd. | 0.01% | 149,947 | $10,235,406 | $16,314,234 | +$6,078,828 | +59.39% | |
| Rhumbline Advisers | 0.01% | 140,098 | $9,563,064 | $15,242,662 | +$5,679,598 | +59.39% | |
| Allianz Asset Management Gmbh | 0.01% | 138,332 | $9,442,542 | $15,050,522 | +$5,607,980 | +59.39% | |
| Prudential Financial Inc | 0.01% | 123,440 | $8,426,014 | $13,430,272 | +$5,004,258 | +59.39% | |
| American Century Companies Inc | 0.00% | 118,965 | $8,120,551 | $12,943,392 | +$4,822,841 | +59.39% | |
| Bridge City Capital, Llc | 2.23% | 117,734 | $8,036,523 | $12,809,459 | +$4,772,936 | +59.39% | |
| Emerald Mutual Fund Advisers Trust | 0.38% | 114,097 | $7,788,261 | $12,413,754 | +$4,625,493 | +59.39% | |
| Legal & General Group Plc | 0.00% | 106,339 | $7,258,701 | $11,569,683 | +$4,310,982 | +59.39% | |
| Nuveen, Llc | 0.00% | 104,569 | $7,137,880 | $11,377,107 | +$4,239,227 | +59.39% |
Frequently asked questions about DIOD
Who owns the most DIOD stock?
The largest holders of DIOD are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for DIODES INC (DIOD).
Is DIOD widely held by superinvestors?
Many widely followed stocks like DIOD appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly DIOD is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.