AI Holders Summary · Q2 2026

111 institutions reported CTNM in Q2 2026. Jupiter Topco LLC leads at 10.9% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

Hide index funds / market makers / custodians(2 on this page)

#HolderValueShares% port.Quarter

Jupiter Topco LLC

CIK 0002146052

$45M2.7M0.02%Q2 2026 02

SUVRETTA CAPITAL MANAGEMENT, LLC

CIK 0001569064

$37M2.8M0.95%Q1 2026 03

JANUS HENDERSON GROUP PLC

CIK 0001274173

$36M2.7M0.02%Q1 2026 04

BlackRock, Inc.

CIK 0002012383

$34M2.1M0.00%Q2 2026 05

JOHNSON & JOHNSON

CIK 0000200406

$32M2.0M4.06%Q2 2026 06

FRANKLIN RESOURCES INC

CIK 0000038777

$30M1.8M0.01%Q2 2026 07

BALYASNY ASSET MANAGEMENT L.P.

CIK 0001218710

$25M1.5M0.03%Q2 2026 08

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$22M1.3M0.00%Q2 2026 09

FMR LLC

CIK 0000315066

$17M1.0M0.00%Q2 2026 10

PERCEPTIVE ADVISORS LLC

CIK 0001224962

$16M1.3M0.32%Q1 2026 11

BAKER BROS. ADVISORS LP

CIK 0001263508

$16M1.4M0.10%Q4 2025 12

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$15M932K0.01%Q2 2026 13

Longaeva Partners L.P.

CIK 0002054122

$13M813K0.29%Q2 2026 14

SECTORAL ASSET MANAGEMENT INC

CIK 0001274413

$12M728K8.32%Q2 2026 15

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$11M693K0.00%Q2 2026 16

HHLR ADVISORS, LTD.

CIK 0001762304

$11M669K1.32%Q2 2026 17

Ikarian Capital, LLC

CIK 0001778253

$11M808K0.86%Q1 2026 18

Red Tree Management, LLC

CIK 0002055980

$10M638K7.10%Q2 2026 19

GREAT POINT PARTNERS LLC

CIK 0001281446

$9M800K2.96%Q4 2025 20

Versant Venture Management, LLC

CIK 0001560009

$9M543K5.47%Q2 2026

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