AI Holders Summary · Q4 2025

45 institutions reported IMDX in Q4 2025. BROADWOOD CAPITAL INC leads at 79.4% 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

BROADWOOD CAPITAL INC

CIK 0001278387

$86M11.4M5.03%Q4 2025 02

AWM Investment Company, Inc.

CIK 0001535264

$9M2.8M1.02%Q1 2026 03

PURA VIDA INVESTMENTS, LLC

CIK 0001590144

$3M947K20.88%Q1 2026 04

Family Office Research LLC

CIK 0002041267

$2M369K0.82%Q2 2026 05

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$2M537K0.00%Q1 2026 06

HEIGHTS CAPITAL MANAGEMENT, INC

CIK 0001081698

$1M393K0.36%Q1 2026 07

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$860K262K0.00%Q1 2026 08

FNY Investment Advisers, LLC

CIK 0001742998

$811K247K0.35%Q1 2026 09

683 Capital Management, LLC

CIK 0001404574

$579K77K0.03%Q4 2025 10

BlackRock, Inc.

CIK 0002012383

$444K135K0.00%Q1 2026 11

VANGUARD FIDUCIARY TRUST CO

CIK 0000933478· Index

$435K133K0.00%Q1 2026 12

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$339K103K0.00%Q1 2026 13

Ghisallo Capital Management LLC

CIK 0001825214

$232K71K0.01%Q1 2026 14

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$184K56K0.00%Q1 2026 15

STATE STREET CORP

CIK 0000093751

$166K51K0.00%Q1 2026 16

NORTHERN TRUST CORP

CIK 0000073124· Index

$161K49K0.00%Q1 2026 17

MORGAN STANLEY

CIK 0000895421

$118K36K0.00%Q1 2026 18

CITADEL ADVISORS LLC

CIK 0001423053

$117K16K0.00%Q4 2025 19

XTX Topco Ltd

CIK 0001828301

$100K30K0.00%Q1 2026 20

Qube Research & Technologies Ltd

CIK 0001729829

$83K25K0.00%Q1 2026

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