AI Holders Summary · Q2 2026

262 institutions reported ERAS in Q2 2026. Frazier Life Sciences Management, L.P. leads at 13.1% 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

$458M25.0M9.96%Q2 2026 02

BlackRock, Inc.

CIK 0002012383

$388M21.2M0.01%Q2 2026 03

T. Rowe Price Investment Management, Inc.

CIK 0001897612

$344M21.3M0.24%Q1 2026 04

RTW INVESTMENTS, LP

CIK 0001493215

$329M17.9M2.81%Q2 2026 05

STATE STREET CORP

CIK 0000093751

$223M12.2M0.01%Q2 2026 06

Logos Global Management LP

CIK 0001792126

$223M12.2M9.58%Q2 2026 07

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$209M11.4M0.00%Q2 2026 08

Siren, L.L.C.

CIK 0002005245

$209M11.4M4.23%Q2 2026 09

Paradigm Biocapital Advisors LP

CIK 0001855655

$175M9.6M3.28%Q2 2026 10

ARCH Venture Management, LLC

CIK 0001274403

$130M7.1M11.81%Q2 2026 11

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$119M6.5M0.01%Q2 2026 12

Cormorant Asset Management, LP

CIK 0001583977

$110M6.0M5.63%Q2 2026 13

Caption Management, LLC

CIK 0001706766

$101M5.5M0.47%Q2 2026 14

Affinity Asset Advisors, LLC

CIK 0001773195

$96M5.3M4.35%Q2 2026 15

Vivo Capital, LLC

CIK 0001674712

$76M4.1M6.90%Q2 2026 16

GOLDMAN SACHS GROUP INC

CIK 0000886982

$70M3.8M0.01%Q2 2026 17

VR Adviser, LLC

CIK 0001615982

$66M17.9M3.28%Q4 2025 18

JANUS HENDERSON GROUP PLC

CIK 0001274173

$60M3.7M0.03%Q1 2026 19

BANK OF AMERICA CORP /DE/

CIK 0000070858

$56M3.0M0.00%Q2 2026 20

SUVRETTA CAPITAL MANAGEMENT, LLC

CIK 0001569064

$56M3.4M1.42%Q1 2026

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