$REVB

$3.73 +$0.19 (5.52%) Close

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

Ownership

13F as of Q2 2026 · 4.0M shares outstanding

Who owns REVB?

By type of holder

Institutions 7.6% Insiders 24.2% Everyone else 68.2%

Concentration Top 10 holders own 31.6%

Rolke James 10.6% · Zygmont Chester Stanley III 10.2%

Institutional ownership

7.6%

-4.9 pts vs last qtr

Institutional holders

0 vs last qtr

Net shares bought

−195.4K

by institutions in Q2 2026

New / sold out

3 / 3

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Sabby Management, LLC +111.2K
Citadel Advisors LLC NEW +38.6K

Biggest sellers in Q2 2026

Armistice Capital, LLC SOLD OUT −323.2K
Geode Capital Management, LLC −26.0K

Who is planning to sell?

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

Is your stake being diluted?

Diluted share count, FY2024–FY2025

+4243.3%

+4243.28% a year

Each share's claim on the business

−97.7%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $764K

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 years0% Under 1 year100%

Quarterly turnover

53.4%

of institutional shares changed hands

Top 10 managers, median time held

2 quarters

Super Investors

Investment managers reporting REVB 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 holding434.3K (Q4'25) Change over 8 quarters0 Armistice Capital, LLC's full portfolio →
SM Sabby Management, LLC	210.6K	5.29%	+111.2K (+111.8%)	Q3 '25	0.2%
Shares held by quarter Peak holding605.7K (Q4'25) Change over 8 quarters+210.6K Share of the company5.290% Sabby Management, LLC's full portfolio →

Armistice Capital, LLC

—

% of company

—

Change vs last qtr

SOLD OUT

Held since

—

Sabby Management, LLC

210.6K

% of company

5.29%

Change vs last qtr

+111.2K (+111.8%)

Held since

Q3 '25

12 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting REVB on Form N-PORT; together they hold 0.4% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
FE Fidelity Extended Market Index Fund Fidelity Concord Street Trust	$16.6K	16.6K	0.42%	0.00%	August 31, 2026
BA Blackstone Alternative Multi-Strategy Fund Blackstone Alternative Investment Funds	$51.5	50	0.00%	0.00%	June 30, 2026

Fidelity Extended Market Index Fund

Fidelity Concord Street Trust

Position value

$16.6K

% of company

0.42%

% of the fund

0.00%

As of

August 31, 2026

Blackstone Alternative Multi-Strategy Fund

Blackstone Alternative Investment Funds

Position value

$51.5

% of company

0.00%

% of the fund

0.00%

As of

June 30, 2026

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
RJ Rolke James Insider	422.8K	10.61%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company10.610% Rolke James's insider activity →
ZC Zygmont Chester Stanley III Insider	405.5K	10.18%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company10.180% Zygmont Chester Stanley III's insider activity →

Rolke James

Insider

422.8K

% of company

10.61%

Change vs last qtr

—

Held since

—

Zygmont Chester Stanley III

Insider

405.5K

% of company

10.18%

Change vs last qtr

—

Held since

—

3 more holders behind a free account

See every insider and 5%+ holder of Revelation Biosciences Inc.

Comments