AI Holders Summary · Q2 2026

24 institutions reported MBIO in Q2 2026. Kestra Advisory Services, LLC leads at 37.5% 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

Kestra Advisory Services, LLC

CIK 0001830819

$138K197K0.00%Q2 2026 02

BlackRock, Inc.

CIK 0002012383

$59K85K0.00%Q2 2026 03

CITADEL ADVISORS LLC

CIK 0001423053

$42K59K0.00%Q2 2026 04

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$30K42K0.00%Q2 2026 05

CFO4Life Group, LLC

CIK 0001706351

$24K34K0.00%Q2 2026 06

VANGUARD FIDUCIARY TRUST CO

CIK 0000933478· Index

$23K32K0.00%Q2 2026 07

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$18K26K0.00%Q2 2026 08

XTX Topco Ltd

CIK 0001828301

$10K15K0.00%Q2 2026 09

TWO SIGMA SECURITIES, LLC

CIK 0001450144· Market maker

$10K14K0.00%Q2 2026 10

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$10K14K0.00%Q2 2026 11

UBS Group AG

CIK 0001610520

$3K4K0.00%Q2 2026 12

Tower Research Capital LLC (TRC)

$7871K0.00%Q2 2026 14

SBI Securities Co., Ltd.

CIK 0001851815

$3575090.00%Q2 2026 15

MORGAN STANLEY

CIK 0000895421

$831180.00%Q2 2026 16

CULLEN/FROST BANKERS, INC.

CIK 0000039263

$9130.00%Q2 2026 17

BNP PARIBAS FINANCIAL MARKETS

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