DIOD Institutional Ownership
Who owns Diodes Inc and what the big funds did with it last quarter, from every SEC 13F filing. 401 funds reported holding DIOD at Jun 30, 2026, together owning 99.5% of the company.
- ▲221 buying vs 156 selling
- ▲Held by funds +1.0 pts
- ▲Funds holding +60
- ▲Superinvestors: 2 added, 1 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 401 | 341 | +17.6% |
| In funds' top 10 | 6 | 3 | +100.0% |
| 13F shares | 45.8M | 45.4M | +1.0% |
| Held by funds | 99.5% | 98.6% | +1.0 pts |
| New positions | 92 | 68 | +35.3% |
| Increased | 129 | 117 | +10.3% |
| Reduced | 124 | 98 | +26.5% |
| Sold out | 32 | 34 | −5.9% |
| Calls (shares) | 3,005 | 47K | −93.6% |
| Puts (shares) | 2,500 | 33K | −92.3% |
| Put/call ratio | 0.83 | 0.70 | +19.4% |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in DIOD
All superinvestors →
Who owns DIOD
share of fund held shares- Index and passive funds48.6%
- Active managers and hedge funds41.1%
- Banks and brokers9.0%
- Pensions, insurers and other1.4%
The top 10 holders own 60.3% of all DIOD shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
105 funds changed their position- Channing Capital Management, LLCNew+420K sh
- Tributary Capital Management, LLCTrimmed−106K sh
- Artemis Investment Management LLPAdded+99K sh
- Principal Financial Group IncAdded+93K sh
- Y-Intercept (Hong Kong) LtdNew+21K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 15.95% | 7.3M | $804M | +147K |
| 2 | Fmr LLC | 9.51% | 4.4M | $479M | −1.3M |
| 3 | Vanguard Portfolio Management LLC | 8.13% | 3.7M | $410M | +103K |
| 4 | State Street Corp | 5.66% | 2.6M | $285M | +323K |
| 5 | Dimensional Fund Advisors LP | 4.78% | 2.2M | $241M | −236K |
| 6 | Vanguard Capital Management LLC | 4.33% | 2M | $218M | +12K |
| 7 | William Blair Investment Management, LLC | 3.65% | 1.7M | $184M | +1.2M |
| 8 | Geode Capital Management, LLC | 3.58% | 1.6M | $180M | +211K |
| 9 | Morgan Stanley | 2.27% | 1M | $114M | −619K |
| 10 | Price T Rowe Associates Inc /md/ | 2.12% | 976K | $107M | +923K |
- William Blair Investment Management, LLC+1.2M sh+$136M
- Price T Rowe Associates Inc /md/+923K sh+$101M
- American Century Companies Inc+688K sh+$75.3M
- Artemis Investment Management LLP+351K sh+$38.5M
- State Street Corp+323K sh+$35.4M
- Geode Capital Management, LLC+211K sh+$23.1M
- Oberweis Asset Management Inc/+189K sh+$20.7M
- Panagora Asset Management Inc+189K sh+$20.7M
- Fmr LLC−1.3M sh−$143M
- Morgan Stanley−619K sh−$67.7M
- Goldman Sachs Group Inc−592K sh−$64.8M
- Frontier Capital Management Co LLC−592K sh−$40.4M
- Victory Capital Management Inc−284K sh−$31.1M
- Global Alpha Capital Management Ltd.−259K sh−$28.3M
- Dimensional Fund Advisors LP−236K sh−$25.8M
- Bank of America Corp /de/−196K sh−$21.4M
DIOD institutional ownership FAQ
Who owns the most DIOD stock?
In Q2 2026 13F filings the largest holder of DIOD was BlackRock, Inc., followed by Fmr LLC and Vanguard Portfolio Management LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of DIOD is owned by institutions?
Funds that file 13F reports held 99.5% of DIOD's shares at Jun 30, 2026, compared with 98.6% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying DIOD?
In Q2 2026, 221 funds bought DIOD (92 of them new positions) and 156 sold (32 sold out completely). Among well known investors, 2 added and 1 cut. Our fund sentiment for DIOD is strongly bullish.
What is DIOD's institutional put/call ratio?
Funds reported $274K of DIOD puts against $329K of calls, a put/call ratio of 0.83 (0.70 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this DIOD ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.