$BJDX

$0.58 +$0.02 (3.04%) Close

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

Ownership

13F as of Q2 2026 · 4.5M shares outstanding

Who owns BJDX?

By type of holder

Institutions 4.0% Insiders 15.3% Everyone else 80.7%

Concentration Top 10 holders own 19.3%

HRT Financial LP 8.2% · Armistice Capital, LLC 2.9%

Institutional ownership

4.0%

+2.7 pts vs last qtr

Institutional holders

+1 vs last qtr

Net shares bought

+121.9K

by institutions in Q2 2026

New / sold out

4 / 3

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Armistice Capital, LLC NEW +131.0K
Boothbay Fund Management, LLC NEW +27.1K

Biggest sellers in Q2 2026

Sabby Management, LLC SOLD OUT −28.7K
Geode Capital Management, LLC SOLD OUT −28.1K

Who is planning to sell?

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

Is your stake being diluted?

Diluted share count, FY2024–FY2025

+879.4%

+879.42% a year

Each share's claim on the business

−89.8%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $20.1K

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 years1% Under 1 year99%

Quarterly turnover

200.5%

of institutional shares changed hands

Top 10 managers, median time held

0 quarters

Super Investors

Investment managers reporting BJDX on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
AC Armistice Capital, LLC	131.0K	2.93%	NEW	Q2 '26	0.0%
Shares held by quarter Peak holding131.0K (Q2'26) Change over 8 quarters+131.0K Share of the company2.930% Armistice Capital, LLC's full portfolio →
SM Sabby Management, LLC	—	—	SOLD OUT	—	0.0%
Shares held by quarter Peak holding305.2K (Q3'24) Change over 8 quarters−305.2K Sabby Management, LLC's full portfolio →

Armistice Capital, LLC

131.0K

% of company

2.93%

Change vs last qtr

NEW

Held since

Q2 '26

Sabby Management, LLC

—

% of company

—

Change vs last qtr

SOLD OUT

Held since

—

8 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting BJDX on Form N-PORT; together they hold 0.9% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
FE Fidelity Extended Market Index Fund Fidelity Concord Street Trust	$34.5K	39.6K	0.89%	0.00%	August 31, 2026
FS Fidelity Series Total Market Index Fund Fidelity Concord Street Trust	$159	183	0.00%	0.00%	August 31, 2026

Fidelity Extended Market Index Fund

Fidelity Concord Street Trust

Position value

$34.5K

% of company

0.89%

% of the fund

0.00%

As of

August 31, 2026

Fidelity Series Total Market Index Fund

Fidelity Concord Street Trust

Position value

$159

% of company

0.00%

% of the fund

0.00%

As of

August 31, 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
HF HRT Financial LP Insider	368.2K	8.24%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company8.240% HRT Financial LP's insider activity →
WD Wurth Douglas Clark Insider	122.8K	2.75%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company2.750% Wurth Douglas Clark's insider activity →

HRT Financial LP

Insider

368.2K

% of company

8.24%

Change vs last qtr

—

Held since

—

Wurth Douglas Clark

Insider

122.8K

% of company

2.75%

Change vs last qtr

—

Held since

—

4 more holders behind a free account

See every insider and 5%+ holder of Bluejay Diagnostics Inc.

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