$EFOI

$4.21 -$0.24 (5.39%) Close

$EFOI Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 6.4M shares outstanding

Who owns EFOI?

By type of holder

Institutions 3.1% Insiders 39.1% Everyone else 57.8%

Concentration Top 10 holders own 34.4%

Huang Chiao Chieh 31.4% · Vanguard Capital Management LLC 0.7%

Institutional ownership

3.1%

+1.3 pts vs last qtr

Institutional holders

+2 vs last qtr

Net shares bought

+85.3K

by institutions in Q2 2026

New / sold out

4 / 2

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Heck Capital Advisors, LLC NEW +35.3K
Renaissance Technologies LLC +23.1K

Biggest sellers in Q2 2026

Geode Capital Management, LLC −6.1K
Osaic Holdings, Inc. SOLD OUT −11

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Energy Focus Inc in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2022–FY2025

+379.5%

+68.63% a year

Each share's claim on the business

−79.1%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $286K

over 4 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years36% 1–3 years15% Under 1 year49%

Quarterly turnover

42.5%

of institutional shares changed hands

Top 10 managers, median time held

2.8 years

Super Investors

Investment managers reporting EFOI on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
VC Vanguard Capital Management LLC	43.3K	0.68%	Unchanged	2023	0.0%
Shares held by quarter Peak holding43.3K (Q1'26) Change over 8 quarters+43.3K Share of the company0.680% Vanguard Capital Management LLC's full portfolio →
GC Geode Capital Management, LLC	29.5K	0.46%	−6.1K (−17.3%)	2023	0.0%
Shares held by quarter Peak holding35.6K (Q1'26) Change over 8 quarters+4.8K Share of the company0.460% Geode Capital Management, LLC's full portfolio →

Vanguard Capital Management LLC

43.3K

% of company

0.68%

Change vs last qtr

Unchanged

Held since

2023

Geode Capital Management, LLC

29.5K

% of company

0.46%

Change vs last qtr

−6.1K (−17.3%)

Held since

2023

16 more super investors behind a free account

See every manager holding Energy Focus Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting EFOI on Form N-PORT; together they hold 1.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VE Vanguard Extended Market Index Fund Vanguard Index Funds	$143K	43.3K	0.68%	0.00%	June 30, 2026
FE Fidelity Extended Market Index Fund Fidelity Concord Street Trust	$42.2K	14.9K	0.23%	0.00%	August 31, 2026

Vanguard Extended Market Index Fund

Vanguard Index Funds

Position value

$143K

% of company

0.68%

% of the fund

0.00%

As of

June 30, 2026

Fidelity Extended Market Index Fund

Fidelity Concord Street Trust

Position value

$42.2K

% of company

0.23%

% of the fund

0.00%

As of

August 31, 2026

7 more funds behind a free account

See every fund holding Energy Focus Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
HC Huang Chiao Chieh 5%+ holder 13D · 31.9%	2.0M	31.38%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company31.380% Disclosed stake13D · 31.9% View the 13D/G filing →

Huang Chiao Chieh

5%+ holder13D · 31.9%

2.0M

% of company

31.38%

Change vs last qtr

—

Held since

—

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