SemiLEDs Corporation
SemiLEDs Corporation (LEDS) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · LEDS · as of Sep 30, 2025
Ownership Breakdown
6
Institutional Holders
$171,385
Total Inst. Value
▼ $36,196 vs Q2
8.26M
Shares Outstanding
freeFloat 33.00%
78,541
13F Shares Held
▼ 609 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
LEDS largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 8 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
RENAISSANCE TECHNOLOGIES LLC semiconductors & related devices | 57.4K | 79.39% | 79.39% | $125.73M | Nov 13, 2025 | ▲ 23.3K |
SCHONFELD STRATEGIC ADVISORS LLC semiconductors & related devices | 10.4K | 14.35% | 14.35% | $22.72M | Nov 14, 2025 | ▼ 7.1K |
XTX TOPCO LTD semiconductors & related devices | 10.3K | 14.31% | 14.31% | $22.04M | Nov 14, 2025 | NEW |
ADVISOR GROUP HOLDINGS, INC. semiconductors & related devices | 200 | 0.28% | 0.28% | $440,000 | Nov 14, 2025 | — held |
PFS PARTNERS, LLC semiconductors & related devices | 200 | 0.28% | 0.28% | $438,000 | Oct 16, 2025 | NEW |
SBI SECURITIES CO., LTD. semiconductors & related devices | 5 | 0.01% | 0.01% | $11,000 | Nov 5, 2025 | — held |
CITADEL ADVISORS LLC semiconductors & related devices | 0 | 0.00% | 0.00% | $0 | Nov 14, 2025 | EXIT |
JONES FINANCIAL COMPANIES LLLP semiconductors & related devices | 0 | 0.00% | 0.00% | $0 | Nov 4, 2025 | EXIT |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
1
Increased
+23.3K shares2
New Positions
first time holders1
Decreased
−7.1K shares2
Sold Out
fully exitedNet shares change (top 50)
+16.2K
+23.3K / −7.1K
Net new holders
+0
2 new / 2 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
LEDS insider trading · insider activity
Source: SEC Form 4
3
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Yu Chris Chang director | Nov 27, 2025 | Award | 5,000 | — | — | 10.0K | Form 4 ↗ |
Gough Walter Michael director | Nov 27, 2025 | Award | 5,000 | — | — | 41.1K | Form 4 ↗ |
Hsieh Edward Kuan Hsiung director | Nov 27, 2025 | Award | 5,000 | — | — | 53.6K | Form 4 ↗ |
Lee Hsin-Liang Christopher Chief Financial Officer | Jul 10, 2025 | Award | 8,000 | — | — | 33.8K | Form 4 ↗ |
J.R. Simplot Co 10 percent owner | Feb 28, 2025 | J-Other | 722,891 | $1.66 | $1.20M | 3.17M | Form 4 ↗ |
Simplot Taiwan Inc. 10 percent owner | Feb 28, 2025 | J-Other | 722,891 | $1.66 | $1.20M | 3.17M | Form 4 ↗ |
Simplot Scott R.
| Feb 28, 2025 | J-Other | 722,891 | $1.66 | $1.20M | 3.20M | Form 4 ↗ |
DOAN TRUNG T Chairman and CEO | Feb 28, 2025 | J-Other | 240,963 | $1.66 | $400.0K | 1.52M | Form 4 ↗ |
Yu Chris Chang director | Nov 27, 2024 | Award | 5,000 | — | — | 5.0K | Form 4 ↗ |
Gough Walter Michael director | Nov 27, 2024 | Award | 5,000 | — | — | 36.1K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
SemiLEDs Corporation (LEDS) is primarily owned by institutional investors, who hold approximately 0.9% of total shares outstanding. Company insiders own approximately 67.00%, while retail and public investors account for the remaining 32.05%.
The largest institutional shareholder of SemiLEDs Corporation is RENAISSANCE TECHNOLOGIES LLC, holding approximately 57,413 shares — equal to 79.39% of outstanding shares — as of September 30, 2025.
A total of 6 institutional investors currently hold LEDS stock, with a combined institutional value of approximately $171,385 as of the most recent 13F filing period.
Frequently asked questions
LEDS ownershipSemiLEDs Corporation (LEDS) is primarily owned by institutional investors, who hold approximately 0.9% of shares. The largest shareholder is RENAISSANCE TECHNOLOGIES LLC with a 79.39% stake. Company insiders hold 67.00%. Data sourced from SEC Form 13F as of September 30, 2025.