KLRS

KALARIS THERAPEUTICS INC
USCUSIP 482929106
Institutional Owners
14
+2 QoQ
13F Value Held
$19.7M
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
7
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)7 adding · 1 trimming
Insider net (180d)+$0
Price history not yet available for KLRS.

Top institutional holders

14 13F filers
#FundPosition valueSharesLast moveAs of
1RTW INVESTMENTS, LP
$7.5M
1.30MHeldQ1 2026
2Paradigm Biocapital Advisors LP
$4.0M
700.0KHeldQ1 2026
3Alyeska Investment Group, L.P.
$3.3M
572.7KAddedQ1 2026
4Siren, L.L.C.
$2.5M
435.8KHeldQ1 2026
5Woodline Partners LP
$577K
100.0KNewQ1 2026
6BOOTHBAY FUND MANAGEMENT, LLC
$532K
92.3KHeldQ1 2026
7Simplify Asset Management Inc.
$504K
87.4KAddedQ1 2026
8683 Capital Management, LLC
$260K
45.0KReducedQ1 2026
9STATE STREET CORP
$153K
26.5KAddedQ1 2026
10BRIDGEWAY CAPITAL MANAGEMENT, LLC
$130K
22.5KHeldQ1 2026
11Johnson Financial Group, Inc.
$84K
10.0KNewQ4 2025
12Connor, Clark & Lunn Investment Management Ltd.
$79K
13.7KAddedQ1 2026
13Steward Partners Investment Advisory, LLC
$13K
2.2KNewQ1 2026
14SBI Securities Co., Ltd.
$29
5HeldQ1 2026

Fund activity — latest quarter

Opened (NEW)
3
funds
Added
4
funds
Reduced
1
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$0
0 insiders
Net
$0
0 P/S txns
Signal
Mixed
open-market
DateInsiderRoleActionSharesValue
Jun 3, 2026PATTERSON LEONE DDirectoracquired (A)9.0K$0
Jun 3, 2026Hallal DavidDirectoracquired (A)9.0K$0
Jun 3, 2026AKKARAJU SRINIVASDirectoracquired (A)9.0K$0
Jun 3, 2026Dybbs MichaelDirectoracquired (A)9.0K$0
Jun 3, 2026ADAMIS ANTHONY PDirectoracquired (A)9.0K$0
Jun 3, 2026Jovan-Embiricos MoranaDirectoracquired (A)9.0K$0
Jun 3, 2026Ferrara NapoleoneDirectoracquired (A)9.0K$0

Institutional ownership over time

14 funds+13 since Q1 2025
0714Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026
funds holding aggregate valuelatest $21M

Funds that own KLRS also own

CompanyCo-held byCombined value
Amazon.com IncAMZN11 funds$83.9B
Alphabet IncGOOGL11 funds$66.7B
Eli Lilly & CoLLY11 funds$33.4B
UnitedHealth Group IncUNH11 funds$12.6B
NVIDIA CorpNVDA10 funds$177.3B
Microsoft CorpMSFT10 funds$115.4B
Broadcom LtdAVGO10 funds$60.1B
Meta Platforms Inc AMETA10 funds$52.1B
Tesla IncTSLA10 funds$43.2B
Johnson & JohnsonJNJ10 funds$33.5B
Mastercard Inc AMA10 funds$18.7B
Home Depot IncHD10 funds$15.8B

Ranked by how many of KLRS's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

7 shown

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for KLRS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.