Kalaris Therapeutics, Inc. - Common Stock, $0.0001 par value per share (KLRS)

Q: What does CUSIP 482929106 represent in this 13F holders report?

CUSIP 482929106 is the security identifier for KLRS - Kalaris Therapeutics, Inc. - Common Stock, $0.0001 par value per share used to aggregate holder disclosures.

Q: How many institutions held KLRS - Kalaris Therapeutics, Inc. - Common Stock, $0.0001 par value per share in Q2 2025?

29 institutional investors reported KLRS - Kalaris Therapeutics, Inc. - Common Stock, $0.0001 par value per share for Q2 2025. Use the holders table for investor-level position and value details.

CUSIP: 482929106

Q2 2025 13F Holders as of 30 Jun 2025

Security type / class: Equity / Common Stock, $0.0001 par value per share
Total 13F shares: 13,362,268
Total 13F value: $35,677,274
Share change: -512,096
SEC-reported price per share: $2.67
Number of holders: 29
Value change: -$2,639,077
Number of buys: 11
Number of sells: 12
Shares outstanding: 23,801,814

Security key

482929106

Report period

Q2 2025

Institutions

Top holders

KLRS full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2025 Previous quarter: Q1 2025 Kalaris Therapeutics, Inc. SEC filings Kalaris Therapeutics, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 482929106

Newer quarter: Q3 2025 Previous quarter: Q1 2025

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025

Ownership snapshot

Top reported holders of KLRS - Kalaris Therapeutics, Inc. - Common Stock, $0.0001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

GILEAD SCIENCES, INC.

Disclosed value leader

Samsara BioCapital, LLC

Comparable rows

15/15

Latest evidence

30 Jun 2025

3/4/5 13D/G 13F Lead comparable stake: 3.9% 13D/G row: GILEAD SCIENCES, INC. Showing 1-6 of 15 holder rows.

Quick read

GILEAD SCIENCES, INC. leads the comparable SEC ownership view at 3.9%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens GILEAD SCIENCES, INC.'s linked filing trail.

Comparable ownership Top 5

GILEAD SCIENCES, INC. 3.9%

Invus Global Management, LLC 1.5%

EcoR1 Capital, LLC 1.1%

Samsara BioCapital, LLC 48%

Octagon Capital Advisors LP 2%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
GILEAD SCIENCES, INC.	3/4/5 13D/G 13F 10%+ Owner · Company 3/4/5 13D/G 13F	3.9% from 13D/G	$11,158,950 16,635,286 shares	—	27 Jun 2023
Invus Global Management, LLC	13D/G Invus Public Equities, L.P. 13D/G	1.5%	$754,533 282,586 shares	$0	30 Jun 2025
EcoR1 Capital, LLC	13F 13D/G Company 13F 13D/G	1.1% from 13D/G	$1,619,796 201,718 shares	—	31 Mar 2025
Samsara BioCapital, LLC	13F Company 13F	48%	$91,928,090 11,448,081 shares	—	31 Mar 2025
Octagon Capital Advisors LP	13F Company 13F	2%	$3,862,430 481,000 shares	—	31 Mar 2025
TANG CAPITAL MANAGEMENT LLC	13F Company 13F	1.3%	$2,483,044 309,221 shares	—	31 Mar 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

13,362,268

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders

Q2 2025 holders

Holder diff

-2

Investor	Q1 2025 Shares	Q2 2025 Shares	Share Diff	Share Chg %	Q1 2025 value	Q2 2025 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend