AI Holders Summary · Q2 2026

180 institutions reported MBX in Q2 2026. Frazier Life Sciences Management, L.P. leads at 14.8% 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

Frazier Life Sciences Management, L.P.

CIK 0001892134

$367M6.7M8.00%Q2 2026 02

FMR LLC

CIK 0000315066

$294M5.3M0.01%Q2 2026 03

WELLINGTON MANAGEMENT GROUP LLP

CIK 0000902219

$275M5.0M0.05%Q2 2026 04

NEA Management Company, LLC

CIK 0001512848

$200M3.6M12.56%Q2 2026 05

ORBIMED ADVISORS LLC

CIK 0001055951

$189M3.4M3.53%Q2 2026 06

BlackRock, Inc.

CIK 0002012383

$183M3.3M0.00%Q2 2026 07

Paradigm Biocapital Advisors LP

CIK 0001855655

$138M2.5M2.59%Q2 2026 08

NVP Associates, LLC

CIK 0001545692

$118M2.1M35.93%Q2 2026 09

Deep Track Capital, LP

CIK 0001856083

$96M1.7M1.39%Q2 2026 10

Polar Capital Holdings Plc

CIK 0001837309

$89M1.6M0.21%Q2 2026 11

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$82M1.5M0.00%Q2 2026 12

Aaron Wealth Advisors LLC

CIK 0001812198

$64M1.2M3.27%Q2 2026 13

DRIEHAUS CAPITAL MANAGEMENT LLC

CIK 0000938206

$58M1.1M0.34%Q2 2026 14

Kynam Capital Management, LP

CIK 0001907884

$52M935K2.85%Q2 2026 15

Woodline Partners LP

CIK 0001784547

$50M900K0.15%Q2 2026 16

EVENTIDE ASSET MANAGEMENT, LLC

CIK 0001442891

$48M873K0.64%Q2 2026 17

STATE STREET CORP

CIK 0000093751

$48M864K0.00%Q2 2026 18

BRAIDWELL LP

CIK 0001920938

$45M1.5M1.49%Q1 2026 19

Parkman Healthcare Partners LLC

CIK 0001777015

$44M800K4.52%Q2 2026 20

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$43M773K0.00%Q2 2026

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