Kalaris Therapeutics, Inc.

KLRSNASDAQ

$2.70-0.15 (-5.26%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Kalaris Therapeutics, Inc. price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-61.9%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Samsara Biocapital, LLC	54.11%	$52.4M	4.31%	Reduce 0.52%
RTW Investments, LP	5.46%	$5.29M	0.05%	Not reported
Alyeska Investment Group, L.P.	2.41%	$2.33M	0.01%	Not reported
Siren, L.L.C.	1.83%	$1.77M	0.04%	Not reported
Vanguard Capital Management LLC	1.67%	$1.62M	0.00%	Not reported
Ikarian Capital, LLC	1.51%	$1.47M	0.16%	Not reported
UBS Group AG	1.10%	$1.07M	0.00%	Not reported
Renaissance Technologies LLC	0.63%	$608K	0.00%	Not reported
Marshall Wace, LLP	0.58%	$567K	0.00%	Not reported
Geode Capital Management, LLC	0.48%	$464K	0.00%	Not reported
Woodline Partners LP	0.42%	$407K	0.00%	Not reported
ADAR1 Capital Management, LLC	0.42%	$407K	0.02%	Not reported
WHI TRUST Co LLC	0.41%	$397K	0.26%	Not reported
Raymond James Financial Inc	0.41%	$395K	0.00%	Not reported
Citadel Advisors LLC	0.40%	$390K	0.00%	Not reported
Boothbay Fund Management, LLC	0.39%	$376K	0.00%	Not reported
Verdad Advisers, LP	0.34%	$327K	0.31%	Not reported
Morgan Stanley	0.30%	$294K	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.28%	$269K	0.00%	Not reported
BlackRock, Inc.	0.23%	$222K	0.00%	Not reported
Belpointe Asset Management LLC	0.17%	$163K	0.01%	Not reported
Fortis Capital Advisors, LLC	0.17%	$163K	0.02%	Not reported
Pale Fire Capital SE	0.17%	$161K	0.01%	New Not reported
Squarepoint Ops LLC	0.16%	$158K	0.00%	Not reported
Bridgeway Capital Management, LLC	0.14%	$132K	0.00%	Not reported
Stonepine Capital Management, LLC	0.13%	$123K	0.07%	Add 47.66%
Trexquant Investment LP	0.12%	$121K	0.00%	Not reported
State Street Corp	0.11%	$108K	0.00%	Not reported
Northern Trust Corp	0.11%	$105K	0.00%	Not reported
Velan Capital Investment Management LP	0.11%	$102K	0.06%	Add 38.89%
Two Sigma Investments, LP	0.10%	$97.1K	0.00%	Not reported
WealthTrust Asset Management, LLC	0.09%	$83.1K	0.05%	Add 64.43%
Independent Advisor Alliance	0.08%	$73.8K	0.00%	Add 27.37%
RBF Capital, LLC	0.07%	$70.8K	0.00%	Not reported
Quadrature Capital Ltd	0.07%	$67.3K	0.00%	Not reported
Goldman Sachs Group Inc	0.07%	$65.3K	0.00%	Not reported
Dimensional Fund Advisors LP	0.07%	$65K	0.00%	Not reported
Susquehanna International Group, LLP	0.06%	$57.9K	0.00%	Not reported
Nano Cap New Millennium Growth Fund L P	0.05%	$50.9K	0.04%	Add 212.50%
Virtu Financial LLC	0.05%	$44K	0.00%	Not reported
Sigma Planning Corp	0.04%	$41.4K	0.00%	New Not reported
FMR LLC	0.03%	$31.8K	0.00%	Not reported
Integrated Wealth Concepts LLC	0.02%	$20.4K	0.00%	Not reported
Tower Research Capital LLC (TRC)	0.01%	$10.4K	0.00%	Not reported
Steward Partners Investment Advisory, LLC	0.01%	$9.02K	0.00%	Not reported
Vanguard Global Advisers, LLC	0.00%	$2.95K	0.00%	Not reported
Barclays PLC	0.00%	$1.23K	0.00%	Not reported
Strengthening Families & Communities, LLC	0.00%	$1.09K	0.00%	Not reported
BNP Paribas Financial Markets	0.00%	$212	0.00%	Not reported
JPMorgan Chase & Co	0.00%	$211	0.00%	Not reported

50 of 55 holders

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