How many institutions own OSTX 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 OSTX shares is 14, representing 1.91% of the company's common stock.

Who are the major shareholders selling OS Therapies Incorporated stock?

JPMORGAN CHASE & CO, in the last quarter, reduced its stake in OSTX by -95.96% restricting it's holding to 13 shares of worth nearly $25.00. UBS GROUP AG also lessened -99.57% of the OSTX shares from its portfolio, reducing its holding to 227 shares of worth $445.00. XTX TOPCO LTD also shunned OSTX shares holding by -100% last quarter which brought its holding to 0 shares worth -.

Investors who are buying OSTX stock?

As per its latest 13F filing, MARSHALL WACE, LLP increased its stake in OSTX by 100% in the last quarter. The institutional holder raised its holding to 198.55 thousand shares having worth more than $389.16K. GEODE CAPITAL MANAGEMENT, LLC also added 100% more shares of OSTX to its portfolio, raising its holding to 187.69 thousand shares of worth $367.87K. TWO SIGMA INVESTMENTS, LP also increased its OSTX shares holding by 100% which brought its holding to 86.25 thousand shares worth $169.04K.

OSTX's major insiders: who are they?

The insider with the most stakes in OSTX is Auerbach Shalom , 10 percent owner at the company. Additionally, OSTX stock is highly held by N/A N/A and N/A N/A among others.

Did an insider recently sell OSTX stock?

Company executives, directors, and other insiders own 31.15% percent of OS Therapies Incorporated's stock. Within the last six months, there have been 0 transaction(s) in which OSTX insiders have sold stock, totaling 0 shares. Insiders that have sold shares include AUERBACH SHALOM.

Which insider recently purchased OSTX stock?

There have been 0 transaction(s) during the past 6-months in which OS Therapies Incorporated insiders have bought stock, totalling 0 shares

How much of OSTX does insiders own?

Around 0 OS Therapies Incorporated shares are held by insiders, which represents about 31.15% of OSTX stock.

Who is the insider with the largest stake?

OSTX 10 percent owner, Auerbach Shalom holds the largest portfolio of the company's shares. OSTX shares owned by Auerbach total nearly 2.66 million.

Which institution holds the most shares in OSTX?

JPMORGAN CHASE & CO is the largest institutional owner in OSTX which holds 13 shares worth $25.00 or 0% of the total OSTX shares outstanding followed by MARSHALL WACE, LLP with ownership of 198.55 thousand shares representing 0.62% of the OSTX ownership. GEODE CAPITAL MANAGEMENT, LLC is the third largest stakeholder with 187.69 thousand shares or 0.59% of the ownership worth more than $367.87K.

Is OS Therapies Incorporated 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 OSTX is concerned, it is a stock which is not optionable.

Is there a short position on OSTX's shares?

Number of OSTX shares short is 348.36K. 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 OSTX shares are there?

As of today, 31.62M shares of OSTX are outstanding.

Is there many float in OSTX 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, OSTX has 20.95M shares in float.

OSTX 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 OSTX is 0.51.

Stock Ideas

OSTX Stock Ownership Breakdown

NYSE : OSTX

OS Therapies

$1.65

0.105+6.82%

Open: 2:55 PM

Profile Key Stats Analyst Ratings Ownership Ratios Financials Dividend & splits Sentiment Forecast

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 Shares1.03

Short Percent Of Float1.25

Shares Outstanding31.62M

Shares Float20.95M

Shares Short348.36K

Short Ratio0.51

1.25%

Short % of Float

1.03%

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

31.15% Percentage of Shares held by All Insiders

1.91% Percentage of Shares held by All Institutions

2.77% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

About 1.91% of OSTX shares are held by financial institutions. JPMORGAN CHASE & CO is the top corporate investor, holding 13 shares valued at $25.00. A 0% stake in OS Therapies Incorporated is owned by the company. MARSHALL WACE, LLP owns 198.55K shares valued at $389.16K, which translates its holding of 0.62% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Sep 30, 2025	JPMORGAN CHASE & CO	0%	13	25	-309	-95.96%
Sep 30, 2025	MARSHALL WACE, LLP	0.62%	198.55K	389.16K	198.55K	+100.00%
Sep 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.59%	187.69K	367.87K	187.69K	+100.00%
Sep 30, 2025	TWO SIGMA INVESTMENTS, LP	0.27%	86.25K	169.04K	86.25K	+100.00%
Sep 30, 2025	VIRTU FINANCIAL LLC	0.24%	75.8K	149K	54.27K	+252.04%
Sep 30, 2025	NORTHERN TRUST CORP	0.18%	56.26K	110.28K	56.26K	+100.00%
Sep 30, 2025	STATE STREET CORP	0.16%	50.3K	98.59K	50.3K	+100.00%
Sep 30, 2025	BLACKROCK, INC.	0.15%	48.16K	94.4K	17.88K	+59.05%
Sep 30, 2025	INGALLS & SNYDER LLC	0.11%	36.68K	72K	0	0
Sep 30, 2025	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.08%	25K	49K	0	0
Sep 30, 2025	GROUND SWELL CAPITAL, LLC	0.06%	20.46K	40.11K	20.46K	+100.00%
Sep 30, 2025	MERCER GLOBAL ADVISORS INC /ADV	0.06%	20.44K	40.06K	20.44K	+100.00%
Sep 30, 2025	STIFEL FINANCIAL CORP	0.05%	15K	29.4K	0	0
Sep 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.05%	14.96K	29.32K	14.96K	+100.00%
Sep 30, 2025	SANDERS MORRIS HARRIS LLC	0.04%	12K	23.52K	12K	+100.00%
Sep 30, 2025	TWO SIGMA SECURITIES, LLC	0.03%	10.24K	20.07K	10.24K	+100.00%
Sep 30, 2025	FULL SAIL CAPITAL, LLC	0.03%	10.22K	20.03K	0	0
Sep 30, 2025	JONES FINANCIAL COMPANIES LLLP	0.02%	7.87K	16.13K	7.87K	+100.00%
Sep 30, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	4.17K	8.17K	1.62K	+63.41%
Sep 30, 2025	MORGAN STANLEY	0%	1K	1.96K	260	+35.14%
Sep 30, 2025	UBS GROUP AG	0%	227	445	-52.59K	-99.57%
Sep 30, 2025	ARMSTRONG ADVISORY GROUP, INC	0%	100	196	0	0
Sep 30, 2025	XTX TOPCO LTD	0%	0	-	-33.49K	-100.00%
Sep 30, 2025	CM MANAGEMENT, LLC	1.25%	400K	784K	25K	+6.67%
Sep 30, 2025	VANGUARD GROUP INC	0.59%	188.26K	369K	188.26K	+100.00%
Sep 30, 2025	MILLENNIUM MANAGEMENT LLC	0.29%	93.57K	183.41K	93.57K	+100.00%

Insiders

Among the OSTX insiders holding of 31.15% of the stake in company, AUERBACH SHALOM, 10 percent owner, holds the largest shares of 2.66M. , , is the second largest OSTX insider with ownership of - shares. , , stands third with possession of - shares of that stake.

Insiders	Designation	Shares Held
AUERBACH SHALOM	10 percent owner	2.66M

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
May 07, 2025	AUERBACH SHALOM	SALE	2.00	82K	163.92K	2.66M
Apr 10, 2025	AUERBACH SHALOM	SALE	1.39	10K	13.9K	2.75M
Apr 09, 2025	AUERBACH SHALOM	SALE	1.35	50.01K	67.67K	2.76M
Feb 14, 2025	AUERBACH SHALOM	SALE	2.84	100K	284.3K	2.43M

Frequently Asked Questions

Stocks Telegraph provides information and tools designed to assist investors and Wall Street players. A major goal is to offer financiers comprehensive information that will help them gain insight into investing.

Stocks Telegraph does not provide any advice or recommendations for buying or selling stocks, securities, or other financial products. Information contained on this website is for informational purposes only and should not be construed as professional financial, investment or other advice. Stocks Telegraph is not liable for any loss or damage that may occur as a result of reliance on this data.