How many institutions own KLRS 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 KLRS shares is 38, representing 69.9% of the company's common stock.

Who are the major shareholders selling Kalaris Therapeutics Inc stock?

GILEAD SCIENCES, INC., in the last quarter, reduced its stake in KLRS by -100% restricting it's holding to 0 shares of worth nearly -. RAYMOND JAMES FINANCIAL INC also lessened -100% of the KLRS shares from its portfolio, reducing its holding to 0 shares of worth -. SBI SECURITIES CO., LTD. also shunned KLRS shares holding by -20% last quarter which brought its holding to 8 shares worth $46.00.

Investors who are buying KLRS stock?

As per its latest 13F filing, UBS GROUP AG increased its stake in KLRS by 27.6% in the last quarter. The institutional holder raised its holding to 5.25 thousand shares having worth more than $30.36K. JOHNSON FINANCIAL GROUP, INC. also added 100% more shares of KLRS to its portfolio, raising its holding to 10 thousand shares of worth $57.80K. FORTIS CAPITAL ADVISORS, LLC also increased its KLRS shares holding by 100% which brought its holding to 40 thousand shares worth $231.20K.

KLRS's major insiders: who are they?

The insider with the most stakes in KLRS is Hagen Brett R , Chief Accounting Officer at the company. Additionally, KLRS stock is highly held by N/A N/A and N/A N/A among others.

Did an insider recently sell KLRS stock?

Company executives, directors, and other insiders own 16.17% percent of Kalaris Therapeutics Inc's stock. Within the last six months, there have been 0 transaction(s) in which KLRS insiders have sold stock, totaling 0 shares. Insiders that have sold shares include HAGEN BRETT R.

Which insider recently purchased KLRS stock?

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

How much of KLRS does insiders own?

Around 0 Kalaris Therapeutics Inc shares are held by insiders, which represents about 16.17% of KLRS stock.

Who is the insider with the largest stake?

KLRS Chief Accounting Officer, Hagen Brett R holds the largest portfolio of the company's shares. KLRS shares owned by Hagen total nearly 1.93 thousand.

Which institution holds the most shares in KLRS?

UBS GROUP AG is the largest institutional owner in KLRS which holds 5.25 thousand shares worth $30.36K or 0.03% of the total KLRS shares outstanding followed by JOHNSON FINANCIAL GROUP, INC. with ownership of 10 thousand shares representing 0.05% of the KLRS ownership. MARSHALL WACE, LLP is the third largest stakeholder with 14.12 thousand shares or 0.08% of the ownership worth more than $81.59K.

Is Kalaris Therapeutics 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 KLRS is concerned, it is a stock which is not optionable.

Is there a short position on KLRS's shares?

Number of KLRS shares short is 110.79K. 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 KLRS shares are there?

As of today, 18.70M shares of KLRS are outstanding.

Is there many float in KLRS 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, KLRS has 4.31M shares in float.

KLRS 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 KLRS is 2.22.

Kalaris Therapeutics (KLRS) 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 Shares0.59

Short Percent Of Float2.34

Shares Outstanding18.70M

Shares Float4.31M

Shares Short110.79K

Short Ratio2.22

2.34%

Short % of Float

0.59%

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

16.17% Percentage of Shares held by All Insiders

69.9% Percentage of Shares held by All Institutions

83.39% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

About 69.9% of KLRS shares are held by financial institutions. UBS GROUP AG is the top corporate investor, holding 5.25K shares valued at $30.36K. A 0.03% stake in Kalaris Therapeutics Inc is owned by the company. JOHNSON FINANCIAL GROUP, INC. owns 10K shares valued at $57.80K, which translates its holding of 0.05% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Sep 30, 2025	UBS GROUP AG	0.03%	5.25K	30.36K	1.14K	+27.60%
Sep 30, 2025	JOHNSON FINANCIAL GROUP, INC.	0.05%	10K	57.8K	10K	+100.00%
Sep 30, 2025	MARSHALL WACE, LLP	0.08%	14.12K	81.59K	0	0
Sep 30, 2025	FORTIS CAPITAL ADVISORS, LLC	0.21%	40K	231.2K	40K	+100.00%
Sep 30, 2025	BELPOINTE ASSET MANAGEMENT LLC	0.21%	40K	231.2K	40K	+100.00%
Sep 30, 2025	BLACKROCK, INC.	0.22%	40.38K	233.39K	2.22K	+5.83%
Sep 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.35%	64.55K	373.15K	39.08K	+153.38%
Sep 30, 2025	JPMORGAN CHASE & CO	0%	50	289	0	0
Sep 30, 2025	GILEAD SCIENCES, INC.	0%	0	-	-317.79K	-100.00%
Sep 30, 2025	RAYMOND JAMES FINANCIAL INC	0%	0	-	-2.63K	-100.00%
Sep 30, 2025	CITIGROUP INC	0%	1	6	1	+100.00%
Sep 30, 2025	SBI SECURITIES CO., LTD.	0%	8	46	-2	-20.00%
Sep 30, 2025	REDMILE GROUP, LLC	0.44%	82.96K	479.48K	0	0
Sep 30, 2025	PARALLEL ADVISORS, LLC	0%	49	283	0	0
Sep 30, 2025	WOODLINE PARTNERS LP	1.29%	241.1K	1.39M	241.1K	+100.00%
Sep 30, 2025	TANG CAPITAL MANAGEMENT LLC	2.24%	418.24K	2.42M	57.38K	+15.90%
Sep 30, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0%	0	-	-2.15K	-100.00%
Sep 30, 2025	SAMSARA BIOCAPITAL, LLC	61.22%	11.45M	66.17M	0	0
Sep 30, 2025	OCTAGON CAPITAL ADVISORS LP	0%	0	-	-360K	-100.00%
Sep 30, 2025	BNP PARIBAS ARBITRAGE, SNC	0%	141	815	0	0
Sep 30, 2025	XTX TOPCO LTD	0%	0	-	-24.23K	-100.00%
Sep 30, 2025	FARTHER FINANCE ADVISORS, LLC	0%	33	191	0	0
Sep 30, 2025	RBF CAPITAL, LLC	0.09%	17.39K	100.52K	0	0
Sep 30, 2025	GOLDMAN SACHS GROUP INC	0.12%	22.47K	129.85K	22.47K	+100.00%
Sep 30, 2025	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.12%	22.5K	130.05K	22.5K	+100.00%
Sep 30, 2025	STATE STREET CORP	0.12%	22.61K	130.69K	11.9K	+111.11%
Sep 30, 2025	BANK OF AMERICA CORP /DE/	0%	217	1.25K	-56	-20.51%
Sep 30, 2025	MORGAN STANLEY	0.13%	24.92K	144.03K	22.95K	+1,168.74%
Sep 30, 2025	SQUAREPOINT OPS LLC	0.21%	40.17K	232.2K	-18.92K	-32.02%
Sep 30, 2025	SIREN, L.L.C.	1.7%	318.26K	1.84M	35.68K	+12.63%
Sep 30, 2025	VANGUARD GROUP INC	1.09%	203.05K	1.17M	73.21K	+56.39%
Sep 30, 2025	RENAISSANCE TECHNOLOGIES LLC	0.6%	112.75K	651.7K	16K	+16.54%
Sep 30, 2025	FMR LLC	0.04%	7.81K	45.12K	0	0
Sep 30, 2025	MILLENNIUM MANAGEMENT LLC	0.13%	24.92K	144.06K	-29.17K	-53.92%
Sep 30, 2025	STRENGTHENING FAMILIES & COMMUNITIES, LLC	0%	268	1.55K	268	+100.00%
Sep 30, 2025	TWO SIGMA ADVISERS, LP	0%	0	-	-20.28K	-100.00%
Sep 30, 2025	FEDERATED HERMES, INC.	0%	578	3.34K	-56	-8.83%
Jun 30, 2025	RENAISSANCE TECHNOLOGIES LLC	0.52%	96.75K	258.33K	77.5K	+402.58%
Jun 30, 2025	BLACKROCK, INC.	0.2%	38.16K	101.88K	10.64K	+38.68%
Jun 30, 2025	TWO SIGMA ADVISERS, LP	0.11%	20.28K	54.15K	-1.3K	-6.02%
Jun 30, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	2.15K	5.75K	719	+50.14%
Jun 30, 2025	MORGAN STANLEY	0.01%	1.96K	5.24K	668	+51.54%
Jun 30, 2025	WOODLINE PARTNERS LP	0%	0	-	-21.52K	-100.00%
Jun 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.14%	25.48K	68.04K	-1.31K	-4.89%
Jun 30, 2025	XTX TOPCO LTD	0.13%	24.23K	64.71K	24.23K	+100.00%
Jun 30, 2025	RBF CAPITAL, LLC	0.09%	17.39K	46.43K	0	0
Jun 30, 2025	STATE STREET CORP	0.06%	10.71K	28.6K	0	0
Jun 30, 2025	FMR LLC	0.04%	7.81K	20.84K	0	0
Jun 30, 2025	MARSHALL WACE, LLP	0.08%	14.12K	37.69K	0	0
Jun 30, 2025	JPMORGAN CHASE & CO	0%	50	134	-245	-83.05%
Jun 30, 2025	FEDERATED HERMES, INC.	0%	634	1.69K	0	0
Jun 30, 2025	FARTHER FINANCE ADVISORS, LLC	0%	33	88	0	0
Jun 30, 2025		0%	10	27	10	+100.00%
Jun 30, 2025	SQUAREPOINT OPS LLC	0.32%	59.1K	157.78K	44.51K	+305.12%
Jun 30, 2025	MILLENNIUM MANAGEMENT LLC	0.29%	54.09K	144.43K	37.51K	+226.21%
Jun 30, 2025	BANK OF AMERICA CORP /DE/	0%	273	729	-5.15K	-94.97%
Jun 30, 2025	BNP PARIBAS ARBITRAGE, SNC	0%	141	376	14	+11.02%
Jun 30, 2025	COLDSTREAM CAPITAL MANAGEMENT INC	0%	0	-	-208	-100.00%
Jun 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0%	0	-	-13.8K	-100.00%
Jun 30, 2025	ECOR1 CAPITAL, LLC	0%	0	-	-201.72K	-100.00%
Jun 30, 2025	EVERSOURCE WEALTH ADVISORS, LLC	0%	0	-	-30	-100.00%
Jun 30, 2025	UBS GROUP AG	0.02%	4.12K	10.99K	-5.15K	-55.56%
Jun 30, 2025	RAYMOND JAMES FINANCIAL INC	0.01%	2.63K	7.02K	2.63K	+100.00%
Jun 30, 2025	PARALLEL ADVISORS, LLC	0%	49	131	0	0
Jun 30, 2025	SAMSARA BIOCAPITAL, LLC	61.22%	11.45M	30.57M	0	0
Jun 30, 2025	TANG CAPITAL MANAGEMENT LLC	1.93%	360.86K	963.49K	51.64K	+16.70%
Jun 30, 2025	OCTAGON CAPITAL ADVISORS LP	1.93%	360K	961.2K	-121K	-25.16%
Jun 30, 2025	GILEAD SCIENCES, INC.	1.7%	317.79K	848.5K	-405.48K	-56.06%
Jun 30, 2025	SIREN, L.L.C.	1.51%	282.59K	754.51K	0	0
Jun 30, 2025	VANGUARD GROUP INC	0.69%	129.84K	346.67K	14.75K	+12.82%
Jun 30, 2025	REDMILE GROUP, LLC	0.44%	82.96K	221.49K	0	0
Jun 30, 2025	SBI SECURITIES CO., LTD.	0%	10	27	10	+100.00%
Mar 31, 2025	SIREN, L.L.C.	1.51%	282.59K	2.27M	282.59K	+100.00%
Mar 31, 2025	SQUAREPOINT OPS LLC	0.08%	14.59K	117.13K	14.59K	+100.00%
Mar 31, 2025	EVERSOURCE WEALTH ADVISORS, LLC	0%	30	241	30	+100.00%
Mar 31, 2025	PARALLEL ADVISORS, LLC	0%	49	393	49	+100.00%
Mar 31, 2025	COLDSTREAM CAPITAL MANAGEMENT INC	0%	208	1.67K	208	+100.00%
Mar 31, 2025	JPMORGAN CHASE & CO	0%	295	2.37K	295	+100.00%
Mar 31, 2025	FEDERATED HERMES, INC.	0%	634	5.09K	634	+100.00%
Mar 31, 2025	MORGAN STANLEY	0.01%	1.3K	10.41K	1.3K	+100.00%
Mar 31, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	1.43K	11.52K	1.43K	+100.00%
Mar 31, 2025	FMR LLC	0.04%	7.81K	62.68K	7.81K	+100.00%
Mar 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.07%	13.8K	110.78K	13.8K	+100.00%
Mar 31, 2025	MARSHALL WACE, LLP	0.08%	14.12K	113.34K	14.12K	+100.00%
Mar 31, 2025	WOODLINE PARTNERS LP	0.12%	21.52K	172.8K	21.52K	+100.00%
Mar 31, 2025	TWO SIGMA ADVISERS, LP	0.12%	21.58K	173.3K	21.58K	+100.00%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.14%	26.79K	215.17K	26.79K	+100.00%
Mar 31, 2025	GILEAD SCIENCES, INC.	3.87%	723.27K	5.81M	723.27K	+100.00%
Mar 31, 2025	FARTHER FINANCE ADVISORS, LLC	0%	33	264	33	+100.00%
Mar 31, 2025	BLACKROCK, INC.	0.15%	27.51K	220.94K	27.51K	+100.00%
Mar 31, 2025	REDMILE GROUP, LLC	0.44%	82.96K	666.13K	82.96K	+100.00%
Mar 31, 2025	BNP PARIBAS ARBITRAGE, SNC	0%	127	1.02K	127	+100.00%
Mar 31, 2025	VANGUARD GROUP INC	0.62%	115.09K	924.14K	115.09K	+100.00%
Mar 31, 2025	OCTAGON CAPITAL ADVISORS LP	2.57%	481K	3.86M	481K	+100.00%
Mar 31, 2025	SAMSARA BIOCAPITAL, LLC	61.21%	11.45M	91.93M	11.45M	+100.00%
Mar 31, 2025	MILLENNIUM MANAGEMENT LLC	0.09%	16.58K	133.15K	16.58K	+100.00%
Mar 31, 2025	RBF CAPITAL, LLC	0.09%	17.39K	139.65K	17.39K	+100.00%
Mar 31, 2025	RENAISSANCE TECHNOLOGIES LLC	0.1%	19.25K	154.59K	19.25K	+100.00%
Mar 31, 2025	TANG CAPITAL MANAGEMENT LLC	1.65%	309.22K	2.48M	309.22K	+100.00%
Mar 31, 2025	BANK OF AMERICA CORP /DE/	0.03%	5.42K	43.56K	5.42K	+100.00%
Mar 31, 2025	UBS GROUP AG	0.05%	9.26K	74.37K	9.26K	+100.00%
Mar 31, 2025	STATE STREET CORP	0.06%	10.71K	86K	10.71K	+100.00%
Mar 31, 2025	ECOR1 CAPITAL, LLC	1.08%	201.72K	1.62M	201.72K	+100.00%

Insiders

Among the KLRS insiders holding of 16.17% of the stake in company, HAGEN BRETT R, Chief Accounting Officer, holds the largest shares of 1.93K. , , is the second largest KLRS insider with ownership of - shares. , , stands third with possession of - shares of that stake.

Insiders	Designation	Shares Held
HAGEN BRETT R	Chief Accounting Officer	1.93K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Mar 26, 2025	HAGEN BRETT R	SALE	8.97	907	8.14K	1.93K

KLRS Stock Ownership Breakdown