AI Holders Summary · Q1 2026

223 institutions reported ZYME in Q1 2026. EcoR1 Capital, LLC leads at 39.8% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(4 on this page)

#HolderValueShares% port.Quarter

EcoR1 Capital, LLC

CIK 0001587114

$575M23.0M24.41%Q1 2026 02

Rubric Capital Management LP

CIK 0001687509

$151M5.8M1.81%Q4 2025 03

BlackRock, Inc.

CIK 0002012383

$114M4.6M0.00%Q1 2026 04

BVF INC/IL

CIK 0001056807

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

PERCEPTIVE ADVISORS LLC

CIK 0001224962

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

MORGAN STANLEY

CIK 0000895421

$62M2.5M0.00%Q1 2026 07

BNP Paribas Asset Management Holding S.A.

CIK 0001520354

$48M1.9M0.06%Q1 2026 08

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$43M1.7M0.00%Q1 2026 09

Assenagon Asset Management S.A.

CIK 0001546007· Quasi-passive

$33M1.3M0.04%Q2 2026 10

Nextech Invest, Ltd.

CIK 0001595430

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

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$29M1.1M0.01%Q1 2026 12

STATE STREET CORP

CIK 0000093751

$25M1.0M0.00%Q1 2026 13

Capricorn Fund Managers Ltd

CIK 0001901361

$25M1.0M3.93%Q1 2026 14

DEUTSCHE BANK AG\

CIK 0000948046

$23M921K0.01%Q1 2026 15

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

CIK 0001164508

$19M744K0.01%Q1 2026 16

FMR LLC

CIK 0000315066

$17M667K0.00%Q1 2026 17

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$17M660K0.00%Q1 2026 18

Nuveen, LLC

CIK 0001871926

$16M652K0.00%Q1 2026 19

GOLDMAN SACHS GROUP INC

CIK 0000886982

$15M599K0.00%Q1 2026 20

MPM BioImpact LLC

CIK 0001687078

$14M565K1.09%Q1 2026

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