How many institutions own HTFL 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 HTFL shares is 9, representing 41.45% of the company's common stock.

Who are the major shareholders selling Heartflow, Inc. Common Stock stock?

N/A, in the last quarter, reduced its stake in HTFL by N/A restricting it's holding to - shares of worth nearly -. N/A also lessened N/A of the HTFL shares from its portfolio, reducing its holding to - shares of worth -. N/A also shunned HTFL shares holding by N/A last quarter which brought its holding to - shares worth -.

Investors who are buying HTFL stock?

As per its latest 13F filing, BLACKROCK, INC. increased its stake in HTFL by 100% in the last quarter. The institutional holder raised its holding to 309.57 thousand shares having worth more than $10.42M. JAIN GLOBAL LLC also added 100% more shares of HTFL to its portfolio, raising its holding to 31.2 thousand shares of worth $1.05M. XXEC, INC. also increased its HTFL shares holding by 100% which brought its holding to 29.83 thousand shares worth $1.00M.

HTFL's major insiders: who are they?

The insider with the most stakes in HTFL is Lightcap Jeffrey C , director at the company. Additionally, HTFL stock is highly held by N/A N/A and N/A N/A among others.

Did an insider recently sell HTFL stock?

Company executives, directors, and other insiders own 20.87% percent of Heartflow, Inc. Common Stock's stock. Within the last six months, there have been 0 transaction(s) in which HTFL insiders have sold stock, totaling 0 shares. Insiders that have sold shares include .

Which insider recently purchased HTFL stock?

There have been 1 transaction(s) during the past 6-months in which Heartflow, Inc. Common Stock insiders have bought stock, totalling 40000 shares

How much of HTFL does insiders own?

Around 40K Heartflow, Inc. Common Stock shares are held by insiders, which represents about 20.87% of HTFL stock.

Who is the insider with the largest stake?

HTFL director, Lightcap Jeffrey C holds the largest portfolio of the company's shares. HTFL shares owned by Lightcap total nearly 40 thousand.

Which institution holds the most shares in HTFL?

BLACKROCK, INC. is the largest institutional owner in HTFL which holds 309.57 thousand shares worth $10.42M or 0.38% of the total HTFL shares outstanding followed by JAIN GLOBAL LLC with ownership of 31.2 thousand shares representing 0.04% of the HTFL ownership. XXEC, INC. is the third largest stakeholder with 29.83 thousand shares or 0.04% of the ownership worth more than $1.00M.

Is Heartflow, Inc. Common Stock 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 HTFL is concerned, it is a stock which is not optionable.

Is there a short position on HTFL's shares?

Number of HTFL shares short is 463.10K. 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 HTFL shares are there?

As of today, 83.12M shares of HTFL are outstanding.

Is there many float in HTFL 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, HTFL has 53.73M shares in float.

HTFL 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 HTFL is 0.22.

Heartflow Common Stock (HTFL) 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 Shares0.56

Short Percent Of Float0.56

Shares Outstanding83.12M

Shares Float53.73M

Shares Short463.10K

Short Ratio0.22

0.56%

Short % of Float

0.56%

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

20.87% Percentage of Shares held by All Insiders

41.45% Percentage of Shares held by All Institutions

52.38% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

About 41.45% of HTFL shares are held by financial institutions. BLACKROCK, INC. is the top corporate investor, holding 309.57K shares valued at $10.42M. A 0.38% stake in Heartflow, Inc. Common Stock is owned by the company. JAIN GLOBAL LLC owns 31.2K shares valued at $1.05M, which translates its holding of 0.04% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Sep 30, 2025	BLACKROCK, INC.	0.38%	309.57K	10.42M	309.57K	+100.00%
Sep 30, 2025	JAIN GLOBAL LLC	0.04%	31.2K	1.05M	31.2K	+100.00%
Sep 30, 2025	XXEC, INC.	0.04%	29.83K	1M	29.83K	+100.00%
Sep 30, 2025	LISANTI CAPITAL GROWTH, LLC	0.04%	29.16K	981.66K	29.16K	+100.00%
Sep 30, 2025	FREESTONE GROVE PARTNERS LP	0.04%	30K	1.01M	30K	+100.00%
Sep 30, 2025	JANUS HENDERSON GROUP PLC	1.26%	1.02M	34.17M	1.02M	+100.00%
Sep 30, 2025	CITADEL ADVISORS LLC	0.47%	377.68K	12.71M	377.68K	+100.00%
Sep 30, 2025	EMERALD ADVISERS, LLC	0.27%	217.94K	7.34M	217.94K	+100.00%
Sep 30, 2025	POINT72 ASSET MANAGEMENT, L.P.	0.25%	200.48K	6.75M	200.48K	+100.00%
Sep 30, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.13%	101.59K	3.42M	101.59K	+100.00%
Sep 30, 2025	ALYESKA INVESTMENT GROUP, L.P.	0.11%	85K	2.86M	85K	+100.00%
Sep 30, 2025	EVENTIDE ASSET MANAGEMENT, LLC	0.1%	83.99K	2.83M	83.99K	+100.00%
Sep 30, 2025	TD ASSET MANAGEMENT INC	0.1%	79.96K	2.69M	79.96K	+100.00%
Sep 30, 2025	ROYAL BANK OF CANADA	0.05%	36.95K	1.24M	36.95K	+100.00%
Sep 30, 2025	PERCEPTIVE ADVISORS LLC	0.19%	150K	5.05M	150K	+100.00%
Sep 30, 2025	DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C)	0.12%	100K	3.37M	100K	+100.00%
Sep 30, 2025	AMERIPRISE FINANCIAL INC	0.12%	96.82K	3.26M	96.82K	+100.00%
Sep 30, 2025	NORTHERN TRUST CORP	0.04%	33.92K	1.14M	33.92K	+100.00%
Sep 30, 2025	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0.05%	39.7K	1.34M	39.7K	+100.00%
Sep 30, 2025	EMERALD MUTUAL FUND ADVISERS TRUST	0.16%	131.26K	4.42M	131.26K	+100.00%
Sep 30, 2025	GILDER GAGNON HOWE & CO LLC	0.15%	119.36K	4.02M	119.36K	+100.00%
Sep 30, 2025	JENNISON ASSOCIATES LLC	0.12%	94.12K	3.17M	94.12K	+100.00%
Sep 30, 2025	GHISALLO CAPITAL MANAGEMENT LLC	0.09%	75K	2.52M	75K	+100.00%
Sep 30, 2025	FRED ALGER MANAGEMENT, LLC	0.37%	297K	10M	297K	+100.00%
Sep 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.32%	255.67K	8.61M	255.67K	+100.00%
Sep 30, 2025	ROCK SPRINGS CAPITAL MANAGEMENT LP	0.31%	250K	8.42M	250K	+100.00%
Sep 30, 2025	NEW YORK STATE COMMON RETIREMENT FUND	0.15%	119.29K	4.02M	119.29K	+100.00%
Sep 30, 2025	MILLENNIUM MANAGEMENT LLC	0.14%	116K	3.9M	116K	+100.00%
Sep 30, 2025	SCHONFELD STRATEGIC ADVISORS LLC	0.09%	75K	2.52M	75K	+100.00%
Sep 30, 2025	STATE STREET CORP	0.09%	74.48K	2.51M	74.48K	+100.00%
Sep 30, 2025	SOROS FUND MANAGEMENT LLC	0.08%	65.9K	2.22M	65.9K	+100.00%
Sep 30, 2025	BURKEHILL GLOBAL MANAGEMENT, LP	0.08%	65K	2.19M	65K	+100.00%
Sep 30, 2025	BANK OF AMERICA CORP /DE/	0.08%	64.98K	2.19M	64.98K	+100.00%
Sep 30, 2025	GOLDMAN SACHS GROUP INC	0.07%	57.05K	1.92M	57.05K	+100.00%
Sep 30, 2025	SEVEN GRAND MANAGERS, LLC	0.06%	50K	1.68M	50K	+100.00%
Sep 30, 2025	BRAIDWELL LP	0.06%	50K	1.68M	50K	+100.00%
Sep 30, 2025	TRUEMARK INVESTMENTS, LLC	0.03%	27.26K	917.71K	27.26K	+100.00%
Sep 30, 2025	BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC	15.44%	12.45M	419M	12.45M	+100.00%
Sep 30, 2025	WELLINGTON MANAGEMENT GROUP LLP	6.05%	4.88M	164.26M	4.88M	+100.00%
Sep 30, 2025	BAILLIE GIFFORD & CO	3.73%	3.01M	101.18M	3.01M	+100.00%
Sep 30, 2025	SCHUSTERMAN INTERESTS, LLC	2.41%	1.94M	65.27M	1.94M	+100.00%
Sep 30, 2025	VANGUARD GROUP INC	1.8%	1.45M	48.87M	1.45M	+100.00%
Sep 30, 2025	BAMCO INC /NY/	1.54%	1.24M	41.65M	1.24M	+100.00%
Sep 30, 2025	PRICE T ROWE ASSOCIATES INC /MD/	1.51%	1.21M	40.9M	1.21M	+100.00%
Sep 30, 2025	ALLIANCEBERNSTEIN L.P.	1.39%	1.12M	37.8M	1.12M	+100.00%
Sep 30, 2025	SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC	1.05%	848.46K	28.56M	848.46K	+100.00%
Sep 30, 2025	MORGAN STANLEY	0.94%	755.14K	25.42M	755.14K	+100.00%
Sep 30, 2025	ARTISAN PARTNERS LIMITED PARTNERSHIP	0.62%	499.62K	16.82M	499.62K	+100.00%
Sep 30, 2025	RTW INVESTMENTS, LP	0.61%	495K	16.66M	495K	+100.00%
Sep 30, 2025	JPMORGAN CHASE & CO	0.51%	412.57K	13.89M	412.57K	+100.00%
Sep 30, 2025	BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY	0.39%	312.23K	10.51M	312.23K	+100.00%
Sep 30, 2025	ZIMMER PARTNERS, LP	0.02%	20K	673.2K	20K	+100.00%
Sep 30, 2025	BRANDYWINE MANAGERS, LLC	0.02%	16.77K	564.61K	16.77K	+100.00%
Sep 30, 2025	MAN GROUP PLC	0.01%	11.47K	386.11K	11.47K	+100.00%
Sep 30, 2025	XTX TOPCO LTD	0.01%	11.29K	380.09K	11.29K	+100.00%
Sep 30, 2025	CENTIVA CAPITAL, LP	0.01%	10.56K	355.28K	10.56K	+100.00%
Sep 30, 2025	POINT72 ASIA (SINGAPORE) PTE. LTD.	0.01%	8.4K	282.76K	8.4K	+100.00%
Sep 30, 2025	SANDIA INVESTMENT MANAGEMENT LP	0.01%	7.5K	252.45K	7.5K	+100.00%
Sep 30, 2025	LEGATO CAPITAL MANAGEMENT LLC	0.01%	7.22K	242.86K	7.22K	+100.00%

Insiders

Among the HTFL insiders holding of 20.87% of the stake in company, LIGHTCAP JEFFREY C, director, holds the largest shares of 40K. , , is the second largest HTFL insider with ownership of - shares. , , stands third with possession of - shares of that stake.

Insiders	Designation	Shares Held
LIGHTCAP JEFFREY C	director	40K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Dec 16, 2025	LIGHTCAP JEFFREY C	PURCHASE	26.34	40K	1.05M	40K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE40K1

SALES00

NET SHARES40K1

SHARES HELD40K1

% NET SHARES0%0%

HTFL Stock Ownership Breakdown