Energy Focus
EFOI · NASDAQ
$2.64−$0.13 (−4.69%)TodayMarket closed ·
Prev close $2.77
Who owns EFOI
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 51.7% of EFOI’s shares.
- Huang (Chiao Chieh)22.6%
- Chen (Kin-Fu)10.4%
- Sander Electronic Co Ltd9.2%
- Inwood Holdings Ltd6.8%
- Next 6 largest institutions2.8%
- All other shareholders48.3%
| Holder | Shares | % of shares |
|---|---|---|
| Huang (Chiao Chieh) | 1.42M | 22.56% |
| Chen (Kin-Fu) | 655.11K | 10.40% |
| Sander Electronic Co Ltd | 577.38K | 9.16% |
| Inwood Holdings Ltd | 428.08K | 6.79% |
| Vanguard Capital Management, LLC | 43.33K | 0.69% |
| Heck Capital Advisors, LLC | 35.30K | 0.56% |
| Renaissance Technologies LLC | 33.40K | 0.53% |
| Geode Capital Management, L.L.C. | 29.45K | 0.47% |
| Vanguard Fiduciary Trust Co | 19.75K | 0.31% |
| State Street Investment Management (US) | 13.82K | 0.22% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Extended Market Index Fund | 43.33K | 0.69% |
| Fidelity Extended Market Index Fund | 14.95K | 0.24% |
| Fidelity Series Total Market Index Fund | 4.86K | 0.08% |
| DFA U.S. Core Equity 1 Portfolio | 3.71K | 0.06% |
| Dimensional US Core Equity 1 ETF | 3.21K | 0.05% |
Short interest
Settled Sep 30, 2026
- Shares short
- 109.43K
- Days to cover
- 7.28
- % of shares outstanding
- 1.74%
- Average daily volume
- 15.03K
- Change since last report
- −13.4%
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