How many institutions own BJDX stock?

A company's 13F filings with the Securities and Exchange Commission (SEC) provides investors with comprehensive information about institutional ownership in a listed company, a sign of strength in terms of how many institutions have confidence in that company. The number of institutional investors who currently own BJDX shares is 8, representing 25.71% of the company's common stock.

Who are the major shareholders selling Bluejay Diagnostics, Inc. stock?

BANK OF AMERICA CORP /DE/, in the last quarter, reduced its stake in BJDX by -100% restricting it's holding to 0 shares of worth nearly -. TWO SIGMA SECURITIES, LLC also lessened -100% of the BJDX shares from its portfolio, reducing its holding to 0 shares of worth -. also shunned BJDX shares holding by -100% last quarter which brought its holding to 0 shares worth -.

Investors who are buying BJDX stock?

As per its latest 13F filing, SABBY MANAGEMENT, LLC increased its stake in BJDX by 100% in the last quarter. The institutional holder raised its holding to 28.73 thousand shares having worth more than $52.86K. UBS GROUP AG also added 100% more shares of BJDX to its portfolio, raising its holding to 124 shares of worth $228.00. CAITONG INTERNATIONAL ASSET MANAGEMENT CO., LTD also increased its BJDX shares holding by 100% which brought its holding to 3 shares worth $6.00.

BJDX's major insiders: who are they?

The insider with the most stakes in BJDX is HRT FINANCIAL LP , 10 percent owner at the company. Additionally, BJDX stock is highly held by Chief Financial Officer Fisher Kenneth R and Chief Financial Officer Kinder Gordon Winston among others.

Did an insider recently sell BJDX stock?

Company executives, directors, and other insiders own 6.07% percent of Bluejay Diagnostics, Inc.'s stock. Within the last six months, there have been 1 transaction(s) in which BJDX insiders have sold stock, totaling 34.94K shares. Insiders that have sold shares include HRT FINANCIAL LP.

Which insider recently purchased BJDX stock?

There have been 6 transaction(s) during the past 6-months in which Bluejay Diagnostics, Inc. insiders have bought stock, totalling 126547 shares

How much of BJDX does insiders own?

Around 281.7K Bluejay Diagnostics, Inc. shares are held by insiders, which represents about 6.07% of BJDX stock.

Who is the insider with the largest stake?

BJDX 10 percent owner, HRT FINANCIAL LP holds the largest portfolio of the company's shares. BJDX shares owned by HRT total nearly 92.06 thousand.

Which institution holds the most shares in BJDX?

SABBY MANAGEMENT, LLC is the largest institutional owner in BJDX which holds 28.73 thousand shares worth $52.86K or 6.4% of the total BJDX shares outstanding followed by UBS GROUP AG with ownership of 124 shares representing 0.03% of the BJDX ownership. BANK OF AMERICA CORP /DE/ is the third largest stakeholder with 0 shares or 0% of the ownership worth more than -.

Is Bluejay Diagnostics, Inc. stock optionable?

Stock options give the owner the ability but not the obligation to buy or sell a security at a predetermined price and date. Stock options can be classified into two types: puts and calls. A put is a bet on falling stock, and a call is a bet on rising stock. As far as the BJDX is concerned, it is a stock which is not optionable.

Is there a short position on BJDX's shares?

Number of BJDX shares short is 569.67K. Shares short is a market sentiment in which investors have sold their shares short in a given stock but have not yet covered them or closed them out.

About how many outstanding BJDX shares are there?

As of today, 1.03M shares of BJDX are outstanding.

Is there many float in BJDX stock?

Float represents the number of tradeable shares in a specific stock. By subtracting restricted and closely-held shares from a firm's total outstanding shares, we can calculate its floating stock. The term "closely-held shares" refers to shares held by employees, major shareholders, and company insiders. At present, BJDX has 879.95K shares in float.

BJDX short ratio: what is it?

Short ratio is calculated by dividing the number of short shares, short interest or bets that shareholders will sell short from the average daily volume. A higher ratio indicates longer times needed to repurchase borrowed shares (sold). The short ratio for BJDX is 0.07.

Bluejay Diagnostics (BJDX) insider trading activity: Get Latest News Today

Stock Outstanding Shares

Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.

ShortableYes

OptionableNo

Short Percent Of Outstanding Shares55.06

Short Percent Of Float58.61

Shares Outstanding1.03M

Shares Float879.95K

Shares Short569.67K

Short Ratio0.07

58.61%

Short % of Float

55.06%

Short % of Shares Outstanding

Market Insider

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

6.07% Percentage of Shares held by All Insiders

25.71% Percentage of Shares held by All Institutions

27.37% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

About 25.71% of BJDX shares are held by financial institutions. SABBY MANAGEMENT, LLC is the top corporate investor, holding 28.73K shares valued at $52.86K. A 6.4% stake in Bluejay Diagnostics, Inc. is owned by the company. UBS GROUP AG owns 124 shares valued at $228.00, which translates its holding of 0.03% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2026	SABBY MANAGEMENT, LLC	6.4%	28.73K	52.86K	28.73K	+100.00%
Mar 31, 2026	UBS GROUP AG	0.03%	124	228	124	+100.00%
Mar 31, 2026	BANK OF AMERICA CORP /DE/	0%	0	-	-15	-100.00%
Mar 31, 2026	TWO SIGMA SECURITIES, LLC	0%	0	-	-14.35K	-100.00%
Mar 31, 2026		0%	0	-	-483	-100.00%
Mar 31, 2026	CITADEL ADVISORS LLC	0%	0	-	-41.79K	-100.00%
Mar 31, 2026	ARMISTICE CAPITAL, LLC	0%	0	-	-65K	-100.00%
Mar 31, 2026	GEODE CAPITAL MANAGEMENT, LLC	0%	0	-	-10.26K	-100.00%
Mar 31, 2026	TOWER RESEARCH CAPITAL LLC (TRC)	0%	0	-	-4.43K	-100.00%
Mar 31, 2026	CAITONG INTERNATIONAL ASSET MANAGEMENT CO., LTD	0%	3	6	3	+100.00%
Mar 31, 2026	RENAISSANCE TECHNOLOGIES LLC	0%	0	-	-32.1K	-100.00%
Sep 30, 2023	HRT FINANCIAL LP	0%	0	-	-29.91K	-100.00%
Sep 30, 2023	TOWER RESEARCH CAPITAL LLC (TRC)	0%	0	-	-10.13K	-100.00%
Sep 30, 2023	UBS GROUP AG	0%	0	-	-5.16K	-100.00%
Sep 30, 2023	ADVISOR GROUP HOLDINGS, INC.	0%	0	-	-500	-100.00%
Sep 30, 2023	NORTHERN TRUST CORP	0%	0	-	-11.7K	-100.00%
Sep 30, 2023	WELLS FARGO & COMPANY/MN	0%	0	-	-74	-100.00%
Sep 30, 2023	SABBY MANAGEMENT, LLC	0%	21.22K	91.89K	21.22K	+100.00%
Sep 30, 2023	JPMORGAN CHASE & CO	0%	211	914	211	+100.00%
Sep 30, 2023	COPPELL ADVISORY SOLUTIONS LLC	0%	12	674	0	0
Sep 30, 2023	VANGUARD GROUP INC	0%	0	-	-15.9K	-100.00%
Sep 30, 2023	RENAISSANCE TECHNOLOGIES LLC	0%	0	-	-49.1K	-100.00%
Sep 30, 2023	GEODE CAPITAL MANAGEMENT, LLC	0%	0	-	-29.14K	-100.00%
Sep 30, 2023	TWO SIGMA SECURITIES, LLC	0%	0	-	-27.09K	-100.00%

Insiders

Among the BJDX insiders holding of 6.07% of the stake in company, HRT FINANCIAL LP, 10 percent owner, holds the largest shares of 92.06K. FISHER KENNETH R, Chief Financial Officer, is the second largest BJDX insider with ownership of 40K shares. KINDER GORDON WINSTON, Chief Financial Officer, stands third with possession of 18.5K shares of that stake.

Insiders	Designation	Shares Held
HRT FINANCIAL LP	10 percent owner	92.06K
FISHER KENNETH R	Chief Financial Officer	40K
KINDER GORDON WINSTON	Chief Financial Officer	18.5K
WURTH DOUGLAS CLARK	director	12.61K
CHASE DONALD R	director	12.53K
DEY INDRANIL	President and CEO	12.52K
DEY SVETLANA	director	12.5K
ZEIDMAN FRED S	director	12.5K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Jul 10, 2026	HRT FINANCIAL LP	SALE	1.40	34.94K	48.91K	92.06K
Jul 09, 2026	HRT FINANCIAL LP	PURCHASE	1.51	64.05K	96.71K	126.99K
Mar 14, 2026	WURTH DOUGLAS CLARK	PURCHASE	2.00	12.5K	25K	12.61K
Mar 14, 2026	DEY SVETLANA	PURCHASE	2.00	12.5K	25K	12.5K
Mar 14, 2026	ZEIDMAN FRED S	PURCHASE	2.00	12.5K	25K	12.5K
Mar 14, 2026	CHASE DONALD R	PURCHASE	2.00	12.5K	25K	12.53K
Mar 14, 2026	DEY INDRANIL	PURCHASE	2.00	12.5K	25K	12.52K
Dec 13, 2023	DEY INDRANIL	PURCHASE	3.27	500	1.64K	28.53K
Dec 13, 2023	DEY SVETLANA	PURCHASE	3.07	500	1.54K	1.5K
Mar 28, 2023	DEY INDRANIL	PURCHASE	0.44	2K	880	660.54K
Mar 27, 2023	DEY INDRANIL	PURCHASE	0.44	8K	3.52K	558.54K
Mar 24, 2023	DEY SVETLANA	PURCHASE	0.44	10K	4.4K	47.5K
Aug 26, 2022	FISHER KENNETH R	PURCHASE	1.03	20K	20.6K	40K
Apr 25, 2022	FISHER KENNETH R	PURCHASE	0.99	20K	19.8K	20K
Mar 17, 2022	DEY SVETLANA	PURCHASE	1.18	10K	11.83K	10K
Mar 17, 2022	KINDER GORDON WINSTON	PURCHASE	1.16	2.5K	2.9K	18.5K
Mar 17, 2022	WURTH DOUGLAS CLARK	PURCHASE	1.18	40K	47.12K	2.29M
Mar 16, 2022	WURTH DOUGLAS CLARK	PURCHASE	1.09	60K	65.4K	2.25M
Mar 14, 2022	KINDER GORDON WINSTON	PURCHASE	1.02	5K	5.1K	16K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE126.55K6

SALES34.94K1

NET SHARES91.61K5

SHARES HELD281.7K7

% NET SHARES-67.48%-28.57%

BJDX Stock Ownership Breakdown