AI Holders Summary · Q4 2025

183 institutions reported MLTX in Q4 2025. BVF INC/IL leads at 25.6% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter

BVF INC/IL

CIK 0001056807

$260M19.8M8.76%Q4 2025 02

Deep Track Capital, LP

CIK 0001856083

$136M7.0M1.98%Q2 2026 03

JANUS HENDERSON GROUP PLC

CIK 0001274173

$64M3.5M0.03%Q1 2026 04

Cormorant Asset Management, LP

CIK 0001583977

$62M3.2M3.20%Q2 2026 05

Jupiter Topco LLC

CIK 0002146052

$60M3.1M0.02%Q2 2026 06

Logos Global Management LP

CIK 0001792126

$52M2.7M2.24%Q2 2026 07

Weiss Asset Management LP

CIK 0001357550

$50M2.6M0.53%Q2 2026 08

CITADEL ADVISORS LLC

CIK 0001423053

$48M2.5M0.01%Q2 2026 09

TWO SIGMA INVESTMENTS, LP

CIK 0001179392

$33M1.7M0.02%Q2 2026 10

D. E. Shaw & Co., Inc.

CIK 0001009207

$33M2.5M0.02%Q4 2025 11

MPM BioImpact LLC

CIK 0001687078

$31M1.6M1.91%Q2 2026 12

JPMORGAN CHASE & CO

CIK 0000019617

$28M1.4M0.00%Q2 2026 13

Vivo Capital, LLC

CIK 0001674712

$27M1.4M2.49%Q2 2026 14

Point72 Asset Management, L.P.

CIK 0001603466

$26M1.4M0.03%Q1 2026 15

PRICE T ROWE ASSOCIATES INC /MD/

CIK 0000080255

$24M1.3M0.00%Q1 2026 16

BlackRock, Inc.

CIK 0002012383

$21M1.1M0.00%Q2 2026 17

BALYASNY ASSET MANAGEMENT L.P.

CIK 0001218710

$18M913K0.02%Q2 2026 18

Candriam S.C.A.

CIK 0001537014

$15M770K0.07%Q2 2026 19

BANK OF AMERICA CORP /DE/

CIK 0000070858

$15M752K0.00%Q2 2026 20

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

CIK 0001164508

$15M751K0.01%Q2 2026

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