Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in EFOI held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | 43K | $84K | β | 0.687% | 0.00% |
| 2 | GEODE CAPITAL MANAGEMENT, LLC | 36K | $69K | +6.8% | 0.565% | 0.00% |
| 3 | VANGUARD FIDUCIARY TRUST CO | 20K | $38K | β | 0.313% | 0.00% |
| 4 | RENAISSANCE TECHNOLOGIES LLC | 10K | $20K | -10.4% | 0.163% | 0.00% |
| 5 | BlackRock, Inc. | 3K | $6K | 0.0% | 0.052% | 0.00% |
| 6 | Tower Research Capital LLC (TRC) | 2K | $4K | -33.4% | 0.031% | 0.00% |
| 7 | MORGAN STANLEY | 463 | $889 | 0.0% | 0.007% | 0.00% |
| 8 | BankPlus Trust Department | 45 | $86 | 0.0% | 0.001% | 0.00% |
| 9 | UBS Group AG | 41 | $79 | β | 0.001% | 0.00% |
| 10 | ADVISOR GROUP HOLDINGS, INC. | 11 | $21 | 0.0% | 0.000% | 0.00% |
| 11 | Federation des caisses Desjardins du Quebec | 8 | $15 | 0.0% | 0.000% | 0.00% |
| 12 | COUNTRY TRUST BANK | 4 | $8 | 0.0% | 0.000% | 0.00% |
| 13 | WELLS FARGO & COMPANY/MN | 1 | $2 | -90.9% | 0.000% | 0.00% |
| 14 | ROYAL BANK OF CANADA | 13 | $0 | +1200.0% | 0.000% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in EFOI β a direct measure of their conviction.
Filings activity in EFOI during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 14 | 13% | 1.17% | 0.24 pp | $0M | 17% |
| Q4 2025 | 16 | +6.7% | 1.41% | 0.29 pp | $0M | 17% |
| Q3 2025 | 15 | +7.1% | 1.70% | +0.31 pp | $0M | +22% |
| Q2 2025 | 14 | +27% | 1.39% | +0.34 pp | $0M | +32% |
| Q1 2025 | 11 | +0.0% | 1.05% | +0.73 pp | $0M | +231% |
| Q4 2024 | 11 | +0.0% | 0.32% | 0.07 pp | $0M | 17% |
| Q3 2024 | 11 | 15% | 0.39% | 0.50 pp | $0M | 57% |
| Q2 2024 | 13 | β | 0.89% | β | $0M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying EFOI stock.
Based on Q1 2026 13F filings, institutional ownership of Energy Focus, Inc. stands at 1.2%, held across 14 reporting institutions.
VANGUARD CAPITAL MANAGEMENT LLC is the largest reported institutional holder of EFOI, with approximately 43,332 shares worth $0.00B as of Q1 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of EFOI, including RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for EFOI is 41 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
3 institutions opened new positions in EFOI during Q1 2026, while 5 fully exited. 0 added to existing positions and 10 trimmed.
EFOI institutional ownership fell by 0.24 percentage points quarter-over-quarter, with a net change of -2 holders.
The top 10 institutions account for 100.0% of all reported 13F value in EFOI, and the top 25 account for 100.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.