AI Holders Summary · Q1 2026

20 institutions reported MGRX in Q1 2026. GEODE CAPITAL MANAGEMENT, LLC leads at 22.7% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(6 on this page)

#HolderValueShares% port.Quarter

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$70K194K0.00%Q1 2026 02

Ikarian Capital, LLC

CIK 0001778253

$50K138K0.00%Q1 2026 03

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$44K123K0.00%Q1 2026 04

JANE STREET GROUP, LLC

CIK 0001595888· Market maker

$26K73K0.00%Q1 2026 05

Virtu Financial LLC

CIK 0001533964· Market maker

$22K61K0.00%Q1 2026 06

VANGUARD FIDUCIARY TRUST CO

CIK 0000933478· Index

$21K57K0.00%Q1 2026 07

BOOTHBAY FUND MANAGEMENT, LLC

CIK 0001549230

$14K38K0.00%Q1 2026 08

NORTHERN TRUST CORP

CIK 0000073124· Index

$14K38K0.00%Q1 2026 09

Ackerman Capital Advisors, LLC

CIK 0001699506

$12K35K0.00%Q1 2026 10

ACT Advisors, LLC.

CIK 0001842554

$10K27K0.00%Q2 2026 11

StoneX Group Inc.

CIK 0000913760

$6K16K0.00%Q1 2026 12

XTX Topco Ltd

CIK 0001828301

$5K13K0.00%Q1 2026 13

Sunbelt Securities, Inc.

CIK 0001632932

$4K12K0.00%Q1 2026 14

GOLDMAN SACHS GROUP INC

CIK 0000886982

$4K12K0.00%Q1 2026 15

Csenge Advisory Group

CIK 0001715593

$4K10K0.00%Q1 2026 16

OSAIC HOLDINGS, INC.

CIK 0001677044

$1K3K0.00%Q1 2026 17

Fortitude Family Office, LLC

CIK 0001950506

$5101K0.00%Q2 2026 18

MORGAN STANLEY

CIK 0000895421

$3601K0.00%Q1 2026 19

Tower Research Capital LLC (TRC)

CIK 0001533421

$2837850.00%Q1 2026 20

CONCOURSE FINANCIAL GROUP SECURITIES, INC.

CIK 0000752798

$00—Q2 2025