AI Holders Summary · Q2 2026

217 institutions reported ZYME in Q2 2026. EcoR1 Capital, LLC leads at 39.5% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(5 on this page)

#HolderValueShares% port.Quarter

EcoR1 Capital, LLC

CIK 0001587114

$600M23.0M29.19%Q2 2026 02

Rubric Capital Management LP

CIK 0001687509

$183M7.0M1.68%Q2 2026 03

BlackRock, Inc.

CIK 0002012383

$111M4.3M0.00%Q2 2026 04

BVF INC/IL

CIK 0001056807

$104M3.9M3.49%Q4 2025 05

PERCEPTIVE ADVISORS LLC

CIK 0001224962

$88M3.5M1.72%Q1 2026 06

Assenagon Asset Management S.A.

CIK 0001546007· Quasi-passive

$65M2.5M0.04%Q2 2026 07

MORGAN STANLEY

CIK 0000895421

$58M2.2M0.00%Q2 2026 08

BNP Paribas Asset Management Holding S.A.

CIK 0001520354

$47M1.8M0.05%Q2 2026 09

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$41M1.6M0.00%Q2 2026 10

Nextech Invest, Ltd.

CIK 0001595430

$29M1.1M2.84%Q4 2025 11

STATE STREET CORP

CIK 0000093751

$28M1.1M0.00%Q2 2026 12

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$26M995K0.00%Q2 2026 13

CITADEL ADVISORS LLC

CIK 0001423053

$25M966K0.00%Q2 2026 14

Delaware Management Holdings, Inc.

CIK 0000921739

$23M890K0.03%Q2 2026 15

FMR LLC

CIK 0000315066

$18M703K0.00%Q2 2026 16

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$18M692K0.00%Q2 2026 17

Qube Research & Technologies Ltd

CIK 0001729829

$16M594K0.01%Q2 2026 18

Prosight Management, LP

CIK 0001617201

$13M539K2.21%Q1 2026 19

Vanguard Portfolio Management

CIK 0002100121· Index

$13M510K0.00%Q2 2026 20

Capricorn Fund Managers Ltd

CIK 0001901361

$13M487K1.00%Q2 2026

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