AI Holders Summary · Q1 2026

116 institutions reported NMRA in Q1 2026. Siren, L.L.C. leads at 15.1% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(3 on this page)

#HolderValueShares% port.Quarter

Siren, L.L.C.

CIK 0002005245

$17M8.5M0.46%Q1 2026 02

SOFTBANK GROUP CORP.

CIK 0001065521

$12M6.1M0.10%Q1 2026 03

PERCEPTIVE ADVISORS LLC

CIK 0001224962

$10M5.1M0.19%Q1 2026 04

MIC Capital Management UK LLP

CIK 0001889830

$9M4.5M2.47%Q1 2026 05

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$8M3.9M0.00%Q1 2026 06

FMR LLC

CIK 0000315066

$7M3.5M0.00%Q1 2026 07

WELLCOME TRUST LTD (THE) as trustee of the WELLCOME TRUST

CIK 0001026720

$6M3.3M0.06%Q2 2026 08

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$5M2.8M0.00%Q1 2026 09

ICONIQ Capital, LLC

CIK 0001569709

$5M2.6M0.11%Q1 2026 10

BlackRock, Inc.

CIK 0002012383

$4M2.1M0.00%Q1 2026 11

TWO SIGMA INVESTMENTS, LP

CIK 0001179392

$4M2.0M0.00%Q1 2026 12

Lunate Capital Ltd

CIK 0002056786

$4M2.1M1.84%Q2 2026 13

JOHNSON & JOHNSON

CIK 0000200406

$4M1.8M0.55%Q1 2026 14

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$3M1.5M0.00%Q1 2026 15

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$3M1.4M0.00%Q1 2026 16

TUDOR INVESTMENT CORP ET AL

CIK 0000923093

$3M1.3M0.00%Q1 2026 17

Ikarian Capital, LLC

CIK 0001778253

$2M1.3M0.20%Q1 2026 18

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$2M1.1M0.00%Q1 2026 19

Caption Management, LLC

CIK 0001706766

$2M1.0M0.01%Q1 2026 20

ADAGE CAPITAL PARTNERS GP, L.L.C.

CIK 0001165408

$2M1.0M0.00%Q1 2026

Page 1 of 6

96 more holders available. Log in →