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 2026?

10 institutional investors reported KLRS - Kalaris Therapeutics, Inc. - Common Stock, $0.0001 par value per share for Q2 2026. Use the holders table for investor-level position and value details.

CUSIP: 482929106

Q2 2026 13F Holders as of 30 Jun 2026

Security type / class: Equity / Common Stock, $0.0001 par value per share
Total 13F shares: 208,123
Total 13F value: $847,061
Share change: -43,143
SEC-reported price per share: $4.07
Number of holders: 10
Value change: -$339,205
Number of buys: 5
Number of sells: 3
Shares outstanding: 23,801,814

Security key

482929106

Report period

Q2 2026

Institutions

Top holders

KLRS full security history Ownership snapshot Full 13F holder table Previous quarter: Q1 2026 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

Previous quarter: Q1 2026

Recent filing periods:

Q2 2026 Q1 2026 Q4 2025 Q3 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

Samsara BioCapital, L.P.

Disclosed value leader

Samsara BioCapital, L.P.

Comparable rows

15/15

Latest evidence

20 May 2026

13D/G 3/4/5 13F Lead comparable stake: 54% 13D/G row: Samsara BioCapital, L.P. Showing 1-6 of 15 holder rows.

Quick read

Samsara BioCapital, L.P. leads the comparable SEC ownership view at 54%.

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 Samsara BioCapital, L.P.'s linked filing trail.

Comparable ownership Top 5

Samsara BioCapital, L.P. 54%

RTW INVESTMENTS, LP 5.7%

GILEAD SCIENCES, INC. 3.9%

Invus Global Management, LLC 1.5%

EcoR1 Capital, LLC 1.1%

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
Samsara BioCapital, L.P.	13D/G 3/4/5 Srinivas Akkaraju · 10%+ Owner 13D/G 3/4/5	54%	$85,014,842 12,900,583 shares	-$349,257	20 May 2026
RTW INVESTMENTS, LP	13D/G 13F Company 13D/G 13F	5.7%	$12,714,000 1,300,000 shares	$0	31 Dec 2025
GILEAD SCIENCES, INC.	3/4/5 13D/G 10%+ Owner 3/4/5 13D/G	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	13D/G 13D/G	1.1%	$1,315,201 201,718 shares	$0	31 Mar 2025
Samsara BioCapital GP, LLC	3/4/5 10%+ Owner 3/4/5	54%	$72,431,851 12,915,520 shares	+$1,179,969	20 May 2026

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 2026

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

Institutions

208,123

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 2026 vs Q1 2026 Across Filers

Q1 2026 holders

Q2 2026 holders

Holder diff

-47

Investor	Q1 2026 Shares	Q2 2026 Shares	Share Diff	Share Chg %	Q1 2026 value	Q2 2026 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend