AI Holders Summary · Q2 2026

83 institutions reported BLTE in Q2 2026. Darwin Global Management, Ltd. leads at 34.8% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter

Darwin Global Management, Ltd.

CIK 0001839209

$457M3.1M12.14%Q2 2026 02

Paradigm Biocapital Advisors LP

CIK 0001855655

$190M1.2M3.55%Q2 2026 03

RTW INVESTMENTS, LP

CIK 0001493215

$110M715K0.94%Q2 2026 04

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$76M495K0.03%Q2 2026 05

EVENTIDE ASSET MANAGEMENT, LLC

CIK 0001442891

$60M391K0.80%Q2 2026 06

PRICE T ROWE ASSOCIATES INC /MD/

CIK 0000080255

$45M282K0.01%Q1 2026 07

Holocene Advisors, LP

CIK 0001700574

$39M251K0.09%Q2 2026 08

Logos Global Management LP

CIK 0001792126

$38M250K1.66%Q2 2026 09

DEERFIELD MANAGEMENT COMPANY, L.P.

CIK 0001009258

$37M234K0.48%Q4 2025 10

MORGAN STANLEY

CIK 0000895421

$36M235K0.00%Q2 2026 11

UBS Group AG

CIK 0001610520

$35M225K0.00%Q2 2026 12

CITADEL ADVISORS LLC

CIK 0001423053

$29M186K0.00%Q2 2026 13

GOLDMAN SACHS GROUP INC

CIK 0000886982

$26M166K0.00%Q2 2026 14

Affinity Asset Advisors, LLC

CIK 0001773195

$25M165K1.15%Q2 2026 15

PERCEPTIVE ADVISORS LLC

CIK 0001224962

$24M152K0.47%Q1 2026 16

MPM BioImpact LLC

CIK 0001687078

$21M137K1.29%Q2 2026 17

BANK OF AMERICA CORP /DE/

CIK 0000070858

$19M125K0.00%Q2 2026 18

Patient Square Capital LP

CIK 0001819257

$17M110K2.62%Q2 2026 19

Duquesne Family Office LLC

CIK 0001536411

$17M106K0.50%Q1 2026 20

FRED ALGER MANAGEMENT, LLC

CIK 0000003520

$10M63K0.04%Q1 2026

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