$RKDA

$0.16 +$0.01 (5.27%) Close

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

Ownership

13F as of Q2 2026 · 2.4M shares outstanding

Who owns RKDA?

By type of holder

Institutions 8.8% Insiders 0.2% Everyone else 91.0%

Concentration Top 10 holders own 8.9%

HRT Financial LP 3.7% · Geode Capital Management, LLC 0.7%

Institutional ownership

8.8%

-5.7 pts vs last qtr

Institutional holders

+1 vs last qtr

Net shares bought

−137.9K

by institutions in Q2 2026

New / sold out

8 / 7

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

HRT Financial LP NEW +88.4K
Citadel Advisors LLC NEW +23.7K

Biggest sellers in Q2 2026

Armistice Capital, LLC SOLD OUT −159.4K
Sabby Management, LLC SOLD OUT −114.6K

Who is planning to sell?

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

Is your stake being diluted?

Diluted share count, FY2021–FY2025

+157.1%

+26.63% a year

Each share's claim on the business

−61.1%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $4.06M

over 5 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+ years6% 3–5 years0% 1–3 years12% Under 1 year82%

Quarterly turnover

69.2%

of institutional shares changed hands

Top 10 managers, median time held

0 quarters

Super Investors

Investment managers reporting RKDA on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
AC Armistice Capital, LLC	—	—	SOLD OUT	—	0.0%
Shares held by quarter Peak holding159.4K (Q1'26) Change over 8 quarters0 Armistice Capital, LLC's full portfolio →
SM Sabby Management, LLC	—	—	SOLD OUT	—	0.0%
Shares held by quarter Peak holding114.6K (Q1'26) Change over 8 quarters0 Sabby Management, LLC's full portfolio →

Armistice Capital, LLC

—

% of company

—

Change vs last qtr

SOLD OUT

Held since

—

Sabby Management, LLC

—

% of company

—

Change vs last qtr

SOLD OUT

Held since

—

21 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting RKDA 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	$6.55K	9.6K	0.40%	0.00%	June 30, 2026
FE Fidelity Extended Market Index Fund Fidelity Concord Street Trust	$6.42K	12.4K	0.51%	0.00%	August 31, 2026

Vanguard Extended Market Index Fund

Vanguard Index Funds

Position value

$6.55K

% of company

0.40%

% of the fund

0.00%

As of

June 30, 2026

Fidelity Extended Market Index Fund

Fidelity Concord Street Trust

Position value

$6.42K

% of company

0.51%

% of the fund

0.00%

As of

August 31, 2026

2 more funds behind a free account

See every fund holding Arcadia Biosciences 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
ST Schaefer Thomas J. Insider	2.8K	0.12%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.120% Schaefer Thomas J.'s insider activity →
KM Kawakami Mark Insider	2.7K	0.11%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.110% Kawakami Mark's insider activity →

Schaefer Thomas J.

Insider

2.8K

% of company

0.12%

Change vs last qtr

—

Held since

—

Kawakami Mark

Insider

2.7K

% of company

0.11%

Change vs last qtr

—

Held since

—

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