Ticker · CUSIP 254543101
Holders (tracked)
10
Combined shares
898,843
Combined value
$44.35M
Last close
$94.84
Quarter
2025Q4
Price · 1Y$94.84+60.58 (+176.82%)H $94.84 · L $34.26 · Avg Vol 442K
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
Price is +92.2% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
16 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−31,687 shares · 2025Q4Position
- D.E. Shaw & Co. trimmed2026-02-17−89,757 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+191,898 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+2,558 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+25,885 shares · 2025Q4Position
- AQR Capital Management added2026-02-17+21,383 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−29,300 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+19,908 shares · 2025Q4Position
- AQR Capital Management added2025-11-14+84,135 shares · 2025Q3Position
- Two Sigma Investments trimmed2025-11-14−10,513 shares · 2025Q3Position
- D.E. Shaw & Co. trimmed2025-11-14−297,780 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+2,418 shares · 2025Q3Position
- Wellington Management exited2025-11-14−57,172 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−12,299 shares · 2025Q3Position
- Renaissance Technologies trimmed2025-11-13−2,700 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−35,770 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of DIOD…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Two Sigma Investments | 2016Q2 | $49.31 | +92.3% | $22.1M |
| Izzy Englander (Millennium Mgmt) | 2017Q1 | $49.58 | +91.3% | $3.0M |
| Ken Griffin (Citadel Advisors) | 2016Q2 | $50.26 | +88.7% | $2.5M |
| Ken Griffin (Citadel Advisors) | 2016Q2 | $50.26 | +88.7% | $2.5M |
| Ken Griffin (Citadel Advisors) | 2016Q2 | $50.26 | +88.7% | $2.5M |
| AQR Capital Management | 2016Q1 | $53.46 | +77.4% | $13.6M |
| D.E. Shaw & Co. | 2016Q1 | $54.62 | +73.6% | $29.9M |
| Renaissance Technologies | 2016Q1 | $59.12 | +60.4% | $6.8M |
| T. Rowe Price | 2016Q1 | $73.91 | +28.3% | $4.2M |
| Norges Bank (Norway SWF) | 2016Q1 | $9813.69 | -99.0% | $1.9M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions1
- Norges Bank (Norway SWF)+19,908$982K
Added to4
- Two Sigma Investments+191,898$9.5M
- Izzy Englander (Millennium Mgmt)+25,885$1.3M
- AQR Capital Management+21,383$1.1M
- T. Rowe Price+2,558$126
Trimmed3
- D.E. Shaw & Co.−89,757$4.4M
- Ken Griffin (Citadel Advisors)−31,687$1.6M
- Renaissance Technologies−29,300$1.4M
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 11 | $43.75B |
| 2022Q2 | 14 | $23.90B |
| 2022Q3 | 13 | $556.6M |
| 2022Q4 | 13 | $655.0M |
| 2023Q1 | 14 | $777.2M |
| 2023Q2 | 13 | $788.8M |
| 2023Q3 | 14 | $692.6M |
| 2023Q4 | 11 | $696.3M |
| 2024Q1 | 9 | $636.9M |
| 2024Q2 | 10 | $656.1M |
| 2024Q3 | 13 | $126.6M |
| 2024Q4 | 10 | $114.2M |
| 2025Q1 | 10 | $52.7M |
| 2025Q2 | 11 | $66.3M |
| 2025Q3 | 9 | $42.1M |
| 2025Q4 | 10 | $44.3M |
Who owns DIOD
10 super-investors · 2025Q4
Tracked stake
898.8K
shares
Combined value
$44M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added4Trim5
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | D.E. Shaw & Co. | 315.4K | $16M |
| 2 | Two Sigma Investments | 233.4K | $12M |
| 3 | AQR Capital Management | 143.6K | $7M |
| 4 | Renaissance Technologies | 71.4K | $4M |
| 5 | T. Rowe Price | 44.0K | $2M |
| 6 | Izzy Englander Millennium Mgmt | 31.4K | $2M |
| 7 | Ken Griffin Citadel Advisors | 26.0K | $1M |
| 8 | Norges Bank Norway SWF | 19.9K | $982K |
| 9 | Ken Griffin Citadel Advisors | 7.5K | $370K |
| 10 | Ken Griffin Citadel Advisors | 6.3K | $311K |
Recent moves
20 transactions
- +2,558 · 2025Q4
- +21,383 · 2025Q4
- +25,885 · 2025Q4
- +191,898 · 2025Q4
- −31,687 · 2025Q4
- TRIMD.E. Shaw & Co.−89,757 · 2025Q4
- −29,300 · 2025Q4
- +19,908 · 2025Q4
- +2,418 · 2025Q3
- −12,299 · 2025Q3
- −10,513 · 2025Q3
- −57,172 · 2025Q3
- +84,135 · 2025Q3
- TRIMD.E. Shaw & Co.−297,780 · 2025Q3
- −2,700 · 2025Q3
- −35,770 · 2025Q3
- −46,980 · 2025Q2
- −39,780 · 2025Q2
- +114,120 · 2025Q2
- TRIMT. Rowe Price−403 · 2025Q2
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