LEDS · NASDAQ · Semiconductors

SemiLEDs (LEDS)

Makes vertical LED chips, components, and lighting products while reselling machinery and equipment.

$2.39
After hours−0.01 (−0.42%)
At close$2.40(+0.42%)

13F · 13D/G · Form 4

Institutions1.71%141.8K shares
9 holders · as of Jun 30, 2026
Insiders97.35%8.05M shares
6 holders · as of Nov 28, 2025
Strategic holders38.29%3.17M shares
1 holder · as of Mar 4, 2025
Adds to137.35%

8.27M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

These groups come from separate filings that can overlap, so they add to 137.35%; nothing is left for Other.

13F · 13D/G · Form 4

HolderStakeSharesDate
Trung T. Doan1Insiderdirector, 10 percent owner, officer: Chairman and CEO
57.00%4.72Mfiled Mar 4, 2025
Scott R. SimplotInsiderdirector, 10 percent owner
38.67%3.20Mfiled Mar 4, 2025
J.R. Simplot CoStrategic10 percent owner
38.29%3.17Mfiled Mar 4, 2025
Renaissance Technologies LLCInstitution
0.96%79,106as of Jun 30, 2026
Edward Kuan Hsiung HsiehInsiderdirector
0.65%53,571filed Nov 28, 2025
Citadel Advisors LLCInstitution
0.61%50,443as of Jun 30, 2026
Walter Michael GoughInsiderdirector
0.50%41,068filed Nov 28, 2025
Hsin-Liang Christopher LeeInsiderofficer: Chief Financial Officer
0.41%33,800filed Jul 14, 2025
Virtu Financial LLCInstitution
0.14%11,711as of Jun 30, 2026
Chris Chang YuInsiderdirector
0.12%10,000filed Nov 28, 2025
Mercer Global Advisors Inc /AdvInstitution
0.00%250as of Jun 30, 2026
Advisor Group Holdings, Inc.Institution
0.00%200as of Jun 30, 2026
SHP Wealth ManagementInstitution
0.00%45as of Jun 30, 2026
Tower Research Capital LLC (TRC)Institution
0.00%13as of Jun 30, 2026
Sbi Securities Co., Ltd.Institution
0.00%5as of Jun 30, 2026
Caitong International Asset Management Co., LtdInstitution
0.00%3as of Jun 30, 2026
Simplot Taiwan Inc.2Strategic10 percent owner
0.00%0filed Mar 4, 2025
Roger Lee3Insiderdirector
0.21%17,500filed Nov 7, 2022
SemiLEDs Corp4Strategicofficer: CFO
0.14%11,500filed Feb 2, 2018
  1. Trung T. Doan's transaction reports restate only vehicles that traded; the 2025 ownership statement (4.72M) is used instead.
  2. Simplot Taiwan Inc. reports a block also reported by J.R. Simplot Co; it is counted once, under J.R. Simplot Co.
  3. Last filed Nov 7, 2022; leaving the company requires no filing. Not in the bar.
  4. Last filed Feb 2, 2018; leaving the company requires no filing. Not in the bar.

13F, as of Jun 30, 2026

9 holders · 141.8K shares · 4 new positions · 7 increased · 0 reduced · 4 closed

HolderShares% outstandingChg q/qFiled
Renaissance Technologies LLC79.1K0.96%+17.4KAug 13, 2026
Citadel Advisors LLC50.4K0.61%+28.5KSep 2, 2026
Virtu Financial LLC11.7K0.14%+11.7KnewAug 13, 2026
Mercer Global Advisors Inc /Adv2500.00%+250newAug 11, 2026
Advisor Group Holdings, Inc.2000.00%+200Aug 14, 2026
SHP Wealth Management450.00%0Aug 11, 2026
Tower Research Capital LLC (TRC)130.00%+13newAug 11, 2026
Sbi Securities Co., Ltd.50.00%0Jul 23, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Simplot Taiwan Inc.incl. Scott R. Simplot, J.R. Simplot Company +2 more57.70%4.72M13DMar 4, 2025
Trung T. Doan57.69%4.72M13DMar 4, 2025

Form 4

Latest trades

No open-market trades in the last 12 months.

House and Senate disclosures

Not reported.