Energy Focus, Inc
EFOI- Exchange
- Nasdaq
- Industry
- Electric Lighting & Wiring Equipment
- SEC CIK
- 0000924168
No open-market purchases or sales by Energy Focus, Inc insiders were filed in the last 90 days; 16 institutions reported holding it in 13F filings for Q2 2026, worth $660.8K in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +2 vs. previous quarter
- 16
- 13F valueReported value at the end of Q2 2026
- $660.8K
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding EFOI, Q2 2026
No superinvestor reported holding EFOI at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Energy Focus, Inc insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 (view filing) | Nov 26 | 35 daysLate | Huang Chiao ChiehChief Executive Officer | PPurchase | +262.0K | $2.29 | +$600.0K | +22.6%1.42M after | |
| Aug 19, 2025 (view filing) | Aug 15 | 4 days | Huang Chiao ChiehChief Executive Officer | PPurchase | +264.6K | $1.89 | +$500.0K | +29.6%1.16M after | |
| Jun 23, 2025 (view filing) | Mar 27-Jun 23 | 88 daysLate | Huang Chiao ChiehChief Executive Officer | PPurchase | +214.1K | $1.87 | +$400.0K | +31.5%894.7K after | 2 lots |
| Aug 27, 2021 (view filing) | Aug 25 | 2 days | Politziner PhilipDirector | PPurchase | +3.00K | $3.35 | +$10.1K | +12.8%26.4K after | |
| Aug 20, 2021 (view filing) | Aug 18 | 2 days | Socolof StephenDirector | PPurchase | +3.50K | $2.80 | +$9.80K | +20.6%20.5K after | |
| Aug 18, 2021 (view filing) | Aug 16 | 2 days | Tu JamesChairman and CEO | PPurchase | +5.00K | $2.70 | +$13.5K | +2.0%249.9K after |
Top 10 13F holders, Q2 2026
The largest institutional positions in Energy Focus, Inc at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Capital Management LLC | 43,332 | $143.0K | 0.00% | 00.0% | Unchanged |
| Heck Capital Advisors, LLC | 35,297 | $116.5K | 0.01% | +35,297 | New |
| Renaissance Technologies LLC | 33,398 | $110.2K | 0.00% | +23,098+224.3% | Added |
| Geode Capital Management, LLC | 29,451 | $97.2K | 0.00% | −6,144−17.3% | Reduced |
| Vanguard Fiduciary Trust Co | 19,745 | $65.2K | 0.00% | 00.0% | Unchanged |
| State Street Corp | 13,816 | $45.6K | 0.00% | +13,816 | New |
| Citadel Advisors LLC | 12,705 | $41.9K | 0.00% | +12,705 | New |
| BlackRock, Inc. | 3,296 | $10.9K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 3,256 | $10.7K | 0.00% | +3,215+7,841.5% | Added |
| Tower Research Capital LLC (TRC) | 2,836 | $9.36K | 0.00% | +871+44.3% | Added |