Question 1

How many institutions own CERO stock?

Accepted Answer

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 CERO shares is 2, representing 0.14% of the company's common stock.

Question 2

Who are the major shareholders selling CERo Therapeutics Holdings, Inc. stock?

Accepted Answer

PARALLEL ADVISORS, LLC, in the last quarter, reduced its stake in CERO by -45% restricting it's holding to 121 thousand shares of worth nearly $615.89K. UBS GROUP AG also lessened -99.77% of the CERO shares from its portfolio, reducing its holding to 6 shares of worth $30.00. N/A also shunned CERO shares holding by N/A last quarter which brought its holding to - shares worth -.

Question 3

Investors who are buying CERO stock?

Accepted Answer

As per its latest 13F filing, BANK OF AMERICA CORP /DE/ increased its stake in CERO by 50% in the last quarter. The institutional holder raised its holding to 3 shares having worth more than $15.00. CITIGROUP INC also added 100% more shares of CERO to its portfolio, raising its holding to 968 shares of worth $4.93K. SUSQUEHANNA INTERNATIONAL GROUP, LLP also increased its CERO shares holding by 100% which brought its holding to 10.24 thousand shares worth $52.14K.

Question 4

CERO's major insiders: who are they?

Accepted Answer

The insider with the most stakes in CERO is SLOAN STUART M , 10 percent owner at the company. Additionally, CERO stock is highly held by 10 percent owner YK Bioventures Opportunities GP I, LLC and N/A N/A among others.

Question 5

Did an insider recently sell CERO stock?

Accepted Answer

Company executives, directors, and other insiders own 4.13% percent of CERo Therapeutics Holdings, Inc.'s stock. Within the last six months, there have been 0 transaction(s) in which CERO insiders have sold stock, totaling 0 shares. Insiders that have sold shares include YK BIOVENTURES OPPORTUNITIES GP I, LLC and SLOAN STUART M.

Question 6

Which insider recently purchased CERO stock?

Accepted Answer

There have been 0 transaction(s) during the past 6-months in which CERo Therapeutics Holdings, Inc. insiders have bought stock, totalling 0 shares

Question 7

How much of CERO does insiders own?

Accepted Answer

Around 0 CERo Therapeutics Holdings, Inc. shares are held by insiders, which represents about 4.13% of CERO stock.

Question 8

Who is the insider with the largest stake?

Accepted Answer

CERO 10 percent owner, SLOAN STUART M holds the largest portfolio of the company's shares. CERO shares owned by SLOAN total nearly 21.07 million.

Question 9

Which institution holds the most shares in CERO?

Accepted Answer

BANK OF AMERICA CORP /DE/ is the largest institutional owner in CERO which holds 3 shares worth $15.00 or 0% of the total CERO shares outstanding followed by PARALLEL ADVISORS, LLC with ownership of 121 thousand shares representing 0.42% of the CERO ownership. ARCH VENTURE MANAGEMENT, LLC is the third largest stakeholder with 22.39 thousand shares or 0.08% of the ownership worth more than $113.96K.

Question 10

Is CERo Therapeutics Holdings, Inc. stock optionable?

Accepted Answer

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 CERO is concerned, it is a stock which is not optionable.

Question 11

Is there a short position on CERO's shares?

Accepted Answer

Number of CERO shares short is 38.01K. 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.

Question 12

About how many outstanding CERO shares are there?

Accepted Answer

As of today, 1.21M shares of CERO are outstanding.

Question 13

Is there many float in CERO stock?

Accepted Answer

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, CERO has 1.10M shares in float.

Question 14

CERO short ratio: what is it?

Accepted Answer

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 CERO is 1.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Sep 30, 2025	BANK OF AMERICA CORP /DE/	0%	3	15	1	+50.00%
Sep 30, 2025	PARALLEL ADVISORS, LLC	0.42%	121K	615.89K	-99K	-45.00%
Sep 30, 2025	ARCH VENTURE MANAGEMENT, LLC	0.08%	22.39K	113.96K	0	0
Sep 30, 2025	CITIGROUP INC	0%	968	4.93K	968	+100.00%
Sep 30, 2025	SBI SECURITIES CO., LTD.	0%	18	92	0	0
Sep 30, 2025	UBS GROUP AG	0%	6	30	-2.62K	-99.77%
Sep 30, 2025	JONES FINANCIAL COMPANIES LLLP	0%	3	16	0	0
Sep 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.04%	10.24K	52.14K	10.24K	+100.00%
Sep 30, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0%	1.3K	6.61K	615	+89.91%
Sep 30, 2025	FNY INVESTMENT ADVISERS, LLC	0%	1.05K	5K	0	0

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Dec 13, 2024	YK BIOVENTURES OPPORTUNITIES GP I, LLC	SALE	0.06	3M	179.93K	13.01M
Dec 12, 2024	YK BIOVENTURES OPPORTUNITIES GP I, LLC	SALE	0.07	1.61M	113.02K	16M
Dec 11, 2024	YK BIOVENTURES OPPORTUNITIES GP I, LLC	SALE	0.08	1.34M	107.5K	17.62M
Dec 10, 2024	YK BIOVENTURES OPPORTUNITIES GP I, LLC	SALE	0.09	1.57M	141.39K	18.96M
Dec 09, 2024	YK BIOVENTURES OPPORTUNITIES GP I, LLC	SALE	0.11	850.54K	93.56K	20.53M
Dec 06, 2024	YK BIOVENTURES OPPORTUNITIES GP I, LLC	SALE	0.12	1.24M	148.42K	21.38M
Oct 10, 2024	YK BIOVENTURES OPPORTUNITIES GP I, LLC	SALE	0.10	3.25M	325K	22.62M
Sep 25, 2024	SLOAN STUART M	SALE	0.10	532.49K	55.54K	21.07M

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Sep 30, 2025	BANK OF AMERICA CORP /DE/	0%	3	15	1	+50.00%
Sep 30, 2025	PARALLEL ADVISORS, LLC	0.42%	121K	615.89K	-99K	-45.00%
Sep 30, 2025	ARCH VENTURE MANAGEMENT, LLC	0.08%	22.39K	113.96K	0	0
Sep 30, 2025	CITIGROUP INC	0%	968	4.93K	968	+100.00%
Sep 30, 2025	SBI SECURITIES CO., LTD.	0%	18	92	0	0
Sep 30, 2025	UBS GROUP AG	0%	6	30	-2.62K	-99.77%
Sep 30, 2025	JONES FINANCIAL COMPANIES LLLP	0%	3	16	0	0
Sep 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.04%	10.24K	52.14K	10.24K	+100.00%
Sep 30, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0%	1.3K	6.61K	615	+89.91%
Sep 30, 2025	FNY INVESTMENT ADVISERS, LLC	0%	1.05K	5K	0	0

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Dec 13, 2024	YK BIOVENTURES OPPORTUNITIES GP I, LLC	SALE	0.06	3M	179.93K	13.01M
Dec 12, 2024	YK BIOVENTURES OPPORTUNITIES GP I, LLC	SALE	0.07	1.61M	113.02K	16M
Dec 11, 2024	YK BIOVENTURES OPPORTUNITIES GP I, LLC	SALE	0.08	1.34M	107.5K	17.62M
Dec 10, 2024	YK BIOVENTURES OPPORTUNITIES GP I, LLC	SALE	0.09	1.57M	141.39K	18.96M
Dec 09, 2024	YK BIOVENTURES OPPORTUNITIES GP I, LLC	SALE	0.11	850.54K	93.56K	20.53M
Dec 06, 2024	YK BIOVENTURES OPPORTUNITIES GP I, LLC	SALE	0.12	1.24M	148.42K	21.38M
Oct 10, 2024	YK BIOVENTURES OPPORTUNITIES GP I, LLC	SALE	0.10	3.25M	325K	22.62M
Sep 25, 2024	SLOAN STUART M	SALE	0.10	532.49K	55.54K	21.07M

CERO Stock Ownership Breakdown

CERo Therapeutics

Stock Outstanding Shares

Market Insider

Institutional Ownership

Insiders

Buying/Selling by Insiders

Frequently Asked Questions