$RTB

$7.84 -$0.20 (2.49%) Close

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

Ownership

13F as of Q2 2026 · 14.0M shares outstanding

Who owns RTB?

By type of holder

Institutions 5.2% Insiders 30.0% Everyone else 64.8%

Concentration Top 10 holders own 118.4%

RTB Digital Inc. 51.4% · Comer James Lamar Walton 32.2%

Institutional ownership

5.2%

+4.8 pts vs last qtr

Institutional holders

+4 vs last qtr

Net shares bought

+673.1K

by institutions in Q2 2026

New / sold out

5 / 1

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Armistice Capital, LLC NEW +350.0K
Geode Capital Management, LLC +139.8K

Biggest sellers in Q2 2026

Tower Research Capital LLC (TRC) SOLD OUT −990
Wolff Wiese Magana LLC −12

Who is planning to sell?

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

Is your stake being diluted?

Diluted share count, FY2024–FY2025

+212.4%

+212.38% a year

Each share's claim on the business

−68.0%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $1.51M

over 2 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 years0% 1–3 years33% Under 1 year67%

Quarterly turnover

643.6%

of institutional shares changed hands

Top 10 managers, median time held

2.8 years

Super Investors

Investment managers reporting RTB on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
AC Armistice Capital, LLC	350.0K	2.50%	NEW	Q2 '26	0.1%
Shares held by quarter Peak holding350.0K (Q2'26) Change over 8 quarters+350.0K Share of the company2.500% Armistice Capital, LLC's full portfolio →
GC Geode Capital Management, LLC	156.9K	1.12%	+139.8K (+819.2%)	2023	0.0%
Shares held by quarter Peak holding225.9K (Q4'25) Change over 8 quarters+115.5K Share of the company1.120% Geode Capital Management, LLC's full portfolio →

Armistice Capital, LLC

350.0K

% of company

2.50%

Change vs last qtr

NEW

Held since

Q2 '26

Geode Capital Management, LLC

156.9K

% of company

1.12%

Change vs last qtr

+139.8K (+819.2%)

Held since

2023

16 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting RTB on Form N-PORT; together they hold 1.0% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
FE Fidelity Extended Market Index Fund Fidelity Concord Street Trust	$876K	65.0K	0.46%	0.00%	August 31, 2026
FT Fidelity Total Market Index Fund Fidelity Concord Street Trust	$380K	28.2K	0.20%	0.00%	August 31, 2026

Fidelity Extended Market Index Fund

Fidelity Concord Street Trust

Position value

$876K

% of company

0.46%

% of the fund

0.00%

As of

August 31, 2026

Fidelity Total Market Index Fund

Fidelity Concord Street Trust

Position value

$380K

% of company

0.20%

% of the fund

0.00%

As of

August 31, 2026

3 more funds behind a free account

See every fund holding RTB Digital 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
RD RTB Digital Inc. 5%+ holder 13D · 16.6%	7.2M	51.41%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company51.410% Disclosed stake13D · 16.6% View the 13D/G filing →
CJ Comer James Lamar Walton 5%+ holder 13D · 31.7%	4.5M	32.15%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company32.150% Disclosed stake13D · 31.7% View the 13D/G filing →

RTB Digital Inc.

5%+ holder13D · 16.6%

7.2M

% of company

51.41%

Change vs last qtr

—

Held since

—

Comer James Lamar Walton

5%+ holder13D · 31.7%

4.5M

% of company

32.15%

Change vs last qtr

—

Held since

—

1 more holders behind a free account

See every insider and 5%+ holder of RTB Digital Inc.

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