$BLGO

$0.09 -$0.00 (2.78%) Close

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

Ownership

13F as of Q2 2026 · 328.7M shares outstanding

Who owns BLGO?

By type of holder

Institutions 0.0% Insiders 47.4% Everyone else 52.5%

Concentration Top 3 holders own 47.5%

Code Kenneth Reay 41.9% · Calvert Dennis P 5.6%

Institutional ownership

0.0%

0.0 pts vs last qtr

Institutional holders

0 vs last qtr

Net shares bought

by institutions in Q2 2026

New / sold out

0 / 0

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

None.

Biggest sellers in Q2 2026

None.

Who is planning to sell?

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

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for BioLargo Inc.

How patient are the owners?

Institutional shares by how long they've been held

5+ years100% 3–5 years0% 1–3 years0% Under 1 year0%

Quarterly turnover

0.0%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting BLGO on Form 13F

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
FA First American Trust, FSB	117.8K	0.04%	Unchanged		≤2021	0.0%
Shares held by quarter Peak holding117.8K (Q3'24) Change over 8 quarters0 Share of the company0.040% First American Trust, FSB's full portfolio →

First American Trust, FSB

117.8K

% of company

0.04%

Change vs last qtr

Unchanged

Held since

≤2021

Institutional Funds

Mutual funds and ETFs reporting BLGO on Form N-PORT; together they hold 0.0% of the company

No fund reports holding BLGO yet.

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
CK Code Kenneth Reay Insider	137.7M	41.89%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company41.890% Code Kenneth Reay's insider activity →
CD Calvert Dennis P Insider	18.2M	5.55%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company5.550% Calvert Dennis P's insider activity →

Code Kenneth Reay

Insider

137.7M

% of company

41.89%

Change vs last qtr

—

Held since

—

Calvert Dennis P

Insider

18.2M

% of company

5.55%

Change vs last qtr

—

Held since

—

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