LEDS · NASDAQ · Semiconductors

SemiLEDs

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

$1.90
After-hours close−0.08 (−4.01%)
At close$1.98(0.00%)

Breakdown13F · Form 4

Institutions 1.55%127.9K sharesInsiders 58.68%4.85M sharesOther 39.77%3.29M shares

Shares outstanding 8.27M · Float 2.73M · 33.0% free float

Top shareholders13F · 13D/G · Form 4

HolderShares% outstandingFormFiled
Scott R. Simplot · director, 10 percent owner: 3.20M38.67%Form 4Mar 4, 2025
Simplot Taiwan Inc. · 10 percent owner3.17M38.29%Form 4Mar 4, 2025
J.R. Simplot Co · 10 percent owner3.17M38.29%Form 4Mar 4, 2025
Trung T. Doan · director, 10 percent owner, officer: Chairman and CEO1.52M18.34%Form 4Mar 4, 2025
Renaissance Technologies LLC61.7K0.75%13FMay 14, 2026

Institutions13F, as of Mar 31, 2026

9 holders · 127.9K shares · 2 new positions · 4 increased · 3 reduced · 1 closed

HolderShares% outstandingChg q/qFiled
Renaissance Technologies LLC61.7K0.75%+3.0KMay 14, 2026
Citadel Advisors LLC22.0K0.27%+22.0KnewMay 15, 2026
Susquehanna International Group, LLP20.5K0.25%+1.1KMay 15, 2026
XTX Topco Ltd13.5K0.16%−667May 15, 2026
Schonfeld Strategic Advisors LLC10.1K0.12%−185May 15, 2026
SHP Wealth Management450.00%0May 8, 2026
UBS Group AG380.00%−820May 5, 2026
Sbi Securities Co., Ltd.50.00%0Apr 28, 2026

Beneficial owners13D/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

InsidersForm 4

InsiderRoleShares% outstandingFiled
Scott R. Simplotdirector, 10 percent owner: 3.20M38.67%Mar 4, 2025
J.R. Simplot Co10 percent owner3.17M38.29%Mar 4, 2025
Simplot Taiwan Inc.10 percent owner3.17M38.29%Mar 4, 2025
Trung T. Doandirector, 10 percent owner, officer: Chairman and CEO1.52M18.34%Mar 4, 2025
Edward Kuan Hsiung Hsiehdirector53.6K0.65%Nov 28, 2025
Walter Michael Goughdirector41.1K0.50%Nov 28, 2025
Hsin-Liang Christopher Leeofficer: Chief Financial Officer33.8K0.41%Jul 14, 2025
Chris Chang Yudirector10.0K0.12%Nov 28, 2025

4 ten-percent owners hold 7.03M shares by Form 4 — the 13D/G table above shows those stakes, the figure above counts officers and directors only · 13 people have not refiled in the last 18 months (102.1K shares), so they are not in the figure above

Latest trades

No open-market trades in the last 12 months.

CongressHouse and Senate disclosures

Not reported.