Energy Focus, Inc. (EFOI) Ownership
EFOI ownership summary
as of October 18, 2026- Institutions
- 2.7% of shares outstanding
- Insiders
- 48.41% of shares outstanding
- Shares outstanding
- 6.4M
- Float
- 2.7M shares available to trade
- Short interest
- 3.33% 109K shares short
- Days to cover
- 10.24 short interest down 13.4% vs prior month
- Institutions 2.71%
- Insiders 48.41%
- Other investors 48.88%
EFOI top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard Capital Management, LLC | 0.68% | 43K | $112,663 | — | June 30, 2026 |
| 2 | Heck Capital Advisors, LLC | 0.55% | 35K | $91,772 | +35,297 (0.0%) | June 30, 2026 |
| 3 | Renaissance Technologies Corp | 0.52% | 33K | $86,835 | +23,098 (+224.3%) | June 30, 2026 |
| 4 | Geode Capital Management, LLC | 0.46% | 29K | $76,573 | −6,144 (−17.3%) | June 30, 2026 |
| 5 | Vanguard Fiduciary Trust Co | 0.31% | 20K | $51,337 | — | June 30, 2026 |
| 6 | State Street Corp | 0.22% | 14K | $35,922 | +13,816 (0.0%) | June 30, 2026 |
| 7 | Citadel Advisors Llc | 0.20% | 13K | $33,033 | +12,705 (0.0%) | June 30, 2026 |
| 8 | BlackRock Inc | 0.05% | 3,296 | $8,570 | — | June 30, 2026 |
| 9 | UBS Group AG | 0.05% | 3,256 | $8,466 | +3,215 (+7,841.5%) | June 30, 2026 |
| 10 | Tower Research Capital LLC | 0.04% | 2,836 | $7,374 | +871 (+44.3%) | June 30, 2026 |
| 11 | Morgan Stanley - Brokerage Accounts | 0.04% | 2,463 | $6,404 | +2,000 (+432.0%) | June 30, 2026 |
| 12 | FMR Inc | <0.01% | 287 | $746 | +287 (0.0%) | June 30, 2026 |
| 13 | Royal Bank of Canada | <0.01% | 175 | $455 | +175 (0.0%) | June 30, 2026 |
| 14 | BankPlus Trust Department | <0.01% | 45 | $117 | — | June 30, 2026 |
| 15 | Federation des caisses Desjardins du Quebec | <0.01% | 8 | $21 | — | June 30, 2026 |
| 16 | Country Trust Bank | <0.01% | 4 | $10 | — | June 30, 2026 |
| 17 | DRW Securities, LLC | 0.00% | — | — | −16,099 (−100.0%) | March 31, 2026 |
| 18 | Wells Fargo & Co | 0.00% | — | — | −1 (−100.0%) | June 30, 2026 |
| 19 | Citigroup Inc | 0.00% | — | — | −1,597 (−100.0%) | March 31, 2026 |
| 20 | Advisor Group Holdings, Inc. | 0.00% | — | — | −11 (−100.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 9 holders added 91K shares and 5 cut 24K.
EFOI top mutual fund and ETF holders
7 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Extended Market Index | 0.23% | 15K | $38,654 | −80 (−0.5%) | August 31, 2026 |
| 2 | Fidelity Series Total Market Index | 0.08% | 4,858 | $12,631 | — | August 31, 2026 |
| 3 | DFA US Core Equity 1 I | 0.06% | 3,712 | $9,651 | — | August 31, 2026 |
| 4 | Dimensional US Core Equity 1 ETF | 0.05% | 3,205 | $8,333 | — | September 24, 2026 |
| 5 | DFA US Social Core Equity 2 Portfolio | 0.01% | 910 | $2,366 | — | August 31, 2026 |
| 6 | Fidelity Nasdaq Composite Index | 0.01% | 588 | $1,529 | — | August 31, 2026 |
| 7 | Fidelity Total Market Index | <0.01% | 245 | $637 | +85 (+53.1%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
EFOI insider transactions
latest 1| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2021-08-25 | Philip Politziner | Buy | $23.45 | 428 | $10,037 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
EFOI shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns EFOI
Institutional investors own 2.7% of Energy Focus's shares and insiders 48.41%. The largest holder is Vanguard Capital Management, LLC with 0.68% of the shares (43K), as of June 30, 2026. Among the top 20 institutions, 9 added shares and 5 reduced their stake in the latest filings. Short interest is 3.33% of the float, or 10.24 days of average trading volume. The share count rose 2,111.4% since 2014.
Related: EFOI key metrics. See the EFOI stock overview for the latest quote and news.
EFOI ownership FAQ
Who owns the most Energy Focus stock?
The largest shareholders of Energy Focus are Vanguard Capital Management, LLC (0.68%), Heck Capital Advisors, LLC (0.55%), Renaissance Technologies Corp (0.52%), Geode Capital Management, LLC (0.46%), Vanguard Fiduciary Trust Co (0.31%).
What percentage of Energy Focus is owned by institutions?
Institutions hold 2.7% of Energy Focus's shares outstanding; insiders hold 48.41%.
Which funds own Energy Focus?
The largest fund holders of Energy Focus are Fidelity Extended Market Index (0.23%), Fidelity Series Total Market Index (0.08%), DFA US Core Equity 1 I (0.06%), Dimensional US Core Equity 1 ETF (0.05%), DFA US Social Core Equity 2 Portfolio (0.01%).
What is Energy Focus's short interest?
109K shares of Energy Focus were sold short, 3.33% of the float; at the average daily volume it would take 10.24 days to cover.
Are insiders buying or selling Energy Focus?
Of the latest 1 reported insider transactions in Energy Focus (since August 25, 2021), 1 were purchases and 0 were sales.
How many shares of Energy Focus are outstanding?
Energy Focus has 6.4M shares outstanding, of which 2.7M are in the public float.