EFOI ENERGY FOCUS, INC/DE: institutional ownership and insider trading
18 funds reported holding $691K of ENERGY FOCUS, INC/DE in their latest 13F filings; in Q2 2026 funds net bought $281K, with 4 new positions and 2 funds selling out; over the last 12 months insiders bought $600K and sold $0 on the open market; over its last four quarters it reported revenue of $6.50M and net income of −$1.52M.
EFOI revenue and earnings
- Quarter ended Jun 30, 2026: revenue $3.75M, net income −$877K
- Quarter ended Mar 31, 2026: revenue $949K, net income −$140K
- Quarter ended Dec 31, 2025: revenue $975K, net income −$329K
- Quarter ended Sep 30, 2025: revenue $826K, net income −$172K, EPS -0.03
Famous investors holding EFOI
- Renaissance Technologies (Renaissance Technologies): $110K, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $41.9K, 0.0% of the portfolio
Largest institutional holders of EFOI
- VANGUARD GROUP INC — $146K
- VANGUARD CAPITAL MANAGEMENT LLC — $143K
- RENAISSANCE TECHNOLOGIES LLC — $110K
- GEODE CAPITAL MANAGEMENT, LLC — $97.2K
- VANGUARD FIDUCIARY TRUST CO — $65.2K
- STATE STREET CORP (STT, STT-PG) — $45.6K
- CITADEL ADVISORS LLC — $41.9K
- BlackRock, Inc. (BLK) — $10.9K
- UBS Group AG (UBS) — $10.7K
- Tower Research Capital LLC (TRC) — $9.36K
Recent EFOI insider trades
- Nov 26, 2025: Huang Chiao Chieh bought 262,009 shares ($600K)
- Aug 15, 2025: Huang Chiao Chieh bought 264,550 shares ($500K)
- Jun 23, 2025: Huang Chiao Chieh bought 214,124 shares ($400K)
5%+ owners
- Huang Chiao Chieh: 31.9% (Schedule 13D, filed Dec 31, 2025)
Who owns the most EFOI stock?
The largest institutional holders of ENERGY FOCUS, INC/DE in the latest 13F filings are VANGUARD GROUP INC ($146K), VANGUARD CAPITAL MANAGEMENT LLC ($143K), RENAISSANCE TECHNOLOGIES LLC ($110K).
Are insiders buying or selling EFOI?
Over the last 12 months insiders bought $600K and sold $0 of ENERGY FOCUS, INC/DE stock on the open market (SEC Form 4).
Which famous investors own EFOI?
Renaissance Technologies, Ken Griffin.
What was EFOI's revenue last quarter?
ENERGY FOCUS, INC/DE reported revenue of $3.75M for the quarter ended June 30, 2026, with net income of −$877K.