AI Holders Summary · Q1 2026

177 institutions reported PHAT in Q1 2026. Frazier Life Sciences Management, L.P. leads at 22.0% 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

$139M12.5M3.56%Q1 2026 02

Medicxi Ventures Management (Jersey) Ltd

CIK 0001715579

$83M7.5M8.45%Q1 2026 03

Invesco Ltd.

CIK 0000914208

$48M4.3M0.00%Q1 2026 04

BlackRock, Inc.

CIK 0002012383

$45M4.1M0.00%Q1 2026 05

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$45M4.0M0.02%Q1 2026 06

Carlyle Group Inc.

CIK 0001527166

$39M3.5M0.37%Q1 2026 07

683 Capital Management, LLC

CIK 0001404574

$30M1.8M1.29%Q4 2025 08

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$29M2.6M0.00%Q1 2026 09

NEA Management Company, LLC

CIK 0001512848

$22M2.0M1.24%Q1 2026 10

Ensign Peak Advisors, Inc

CIK 0001454984

$18M1.6M0.03%Q1 2026 11

Catalys Pacific, LLC

CIK 0002011385

$17M1.5M7.19%Q1 2026 12

GW&K Investment Management, LLC

CIK 0001082917

$16M1.4M0.14%Q1 2026 13

STATE STREET CORP

CIK 0000093751

$15M1.4M0.00%Q1 2026 14

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$15M1.3M0.00%Q1 2026 15

WASATCH ADVISORS LP

CIK 0000814133

$14M1.3M0.09%Q2 2026 16

Delaware Management Holdings, Inc.

CIK 0000921739

$13M1.2M0.02%Q1 2026 17

SummitTX Capital, L.P.

CIK 0002052310

$11M996K0.35%Q1 2026 18

FRANKLIN RESOURCES INC

CIK 0000038777

$11M995K0.00%Q1 2026 19

PERCEPTIVE ADVISORS LLC

CIK 0001224962

$10M925K0.20%Q1 2026 20

Propel Bio Management, LLC

CIK 0001969764

$9M841K5.90%Q1 2026

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