AI Holders Summary · Q2 2026

89 institutions reported KLRA in Q2 2026. BAIN CAPITAL INVESTORS LLC leads at 25.3% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(3 on this page)

#HolderValueShares% port.Quarter

BAIN CAPITAL INVESTORS LLC

CIK 0001040508

$578M26.3M12.01%Q2 2026 02

Bain Capital Life Sciences Investors, LLC

CIK 0001703031

$498M22.6M29.58%Q2 2026 03

RTW INVESTMENTS, LP

CIK 0001493215

$237M10.8M2.03%Q2 2026 04

CANADA PENSION PLAN INVESTMENT BOARD

CIK 0001283718

$161M7.3M0.09%Q2 2026 05

Atlas Venture Life Science Advisors, LLC

CIK 0001917529

$114M5.2M12.93%Q2 2026 06

FMR LLC

CIK 0000315066

$87M4.0M0.00%Q2 2026 07

BlackRock, Inc.

CIK 0002012383

$87M3.9M0.00%Q2 2026 08

CITADEL ADVISORS LLC

CIK 0001423053

$71M3.2M0.01%Q2 2026 09

ADAGE CAPITAL PARTNERS GP, L.L.C.

CIK 0001165408

$71M3.2M0.10%Q2 2026 10

WELLINGTON MANAGEMENT GROUP LLP

CIK 0000902219

$64M2.9M0.01%Q2 2026 11

Royalty Pharma Sub-Manager, LLC

CIK 0002081668

$54M2.5M22.36%Q2 2026 12

Siren, L.L.C.

CIK 0002005245

$49M2.2M0.99%Q2 2026 13

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$37M1.7M0.00%Q2 2026 14

Vanguard Portfolio Management

CIK 0002100121· Index

$36M1.7M0.00%Q2 2026 15

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$25M1.1M0.00%Q2 2026 16

FARALLON CAPITAL MANAGEMENT LLC

CIK 0000909661

$24M1.1M0.11%Q2 2026 17

Frazier Life Sciences Management, L.P.

CIK 0001892134

$24M1.1M0.53%Q2 2026 18

Trails Edge Capital Partners, LP

CIK 0002077247

$22M985K3.44%Q2 2026 19

UBS Group AG

CIK 0001610520

$21M973K0.00%Q2 2026 20

Jupiter Topco LLC

CIK 0002146052

$21M971K0.01%Q2 2026

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