AI Holders Summary · Q3 2025

46 institutions reported HOWL in Q3 2025. MPM ASSET MANAGEMENT LLC leads at 69.7% 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

MPM ASSET MANAGEMENT LLC

CIK 0001263048

$8M4.3M19.96%Q3 2025 02

RA CAPITAL MANAGEMENT, L.P.

CIK 0001346824

$859K2.4M0.01%Q2 2026 03

BALYASNY ASSET MANAGEMENT L.P.

CIK 0001218710

$644K1.8M0.00%Q2 2026 04

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$438K1.2M0.00%Q2 2026 05

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$243K675K0.00%Q2 2026 06

Lynx1 Capital Management LP

CIK 0001910456

$237K658K0.03%Q2 2026 07

SPHERA FUNDS MANAGEMENT LTD.

CIK 0001496201

$226K627K0.03%Q2 2026 08

DC Funds, LP

CIK 0001869028

$212K589K16.92%Q2 2026 09

Verdad Advisers, LP

CIK 0001812822

$126K349K0.12%Q2 2026 10

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$121K336K0.00%Q2 2026 11

BANK OF AMERICA CORP /DE/

CIK 0000070858

$112K312K0.00%Q2 2026 12

XTX Topco Ltd

CIK 0001828301

$98K271K0.00%Q2 2026 13

UBS Group AG

CIK 0001610520

$78K216K0.00%Q2 2026 14

JANE STREET GROUP, LLC

CIK 0001595888· Market maker

$69K83K0.00%Q1 2026 15

VANGUARD FIDUCIARY TRUST CO

CIK 0000933478· Index

$57K158K0.00%Q2 2026 16

STATE STREET CORP

CIK 0000093751

$43K119K0.00%Q2 2026 17

Squarepoint Ops LLC

CIK 0001642575

$37K103K0.00%Q2 2026 18

BlackRock, Inc.

CIK 0002012383

$37K102K0.00%Q2 2026 19

NORTHERN TRUST CORP

CIK 0000073124· Index

$31K87K0.00%Q2 2026 20

Alyeska Investment Group, L.P.

CIK 0001453072

$31K87K0.00%Q2 2026

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