AI Holders Summary · Q2 2026

115 institutions reported SIDU in Q2 2026. BlackRock, Inc. leads at 25.4% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(7 on this page)

#HolderValueShares% port.Quarter

BlackRock, Inc.

CIK 0002012383

$23M8.0M0.00%Q2 2026 02

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$10M3.6M0.00%Q2 2026 03

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$8M2.9M0.00%Q2 2026 04

CITADEL ADVISORS LLC

CIK 0001423053

$7M2.5M0.00%Q2 2026 05

Vanguard Portfolio Management

CIK 0002100121· Index

$6M2.0M0.00%Q2 2026 06

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$6M2.0M0.00%Q2 2026 07

STATE STREET CORP

CIK 0000093751

$5M1.7M0.00%Q2 2026 08

HRT FINANCIAL LP

CIK 0001475597

$4M1.4M0.01%Q4 2025 09

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$3M1.2M0.00%Q2 2026 10

Caption Management, LLC

CIK 0001706766

$3M1.0M0.01%Q2 2026 11

UBS Group AG

CIK 0001610520

$2M775K0.00%Q2 2026 12

NORTHERN TRUST CORP

CIK 0000073124· Index

$2M644K0.00%Q2 2026 13

Nuveen, LLC

CIK 0001871926

$2M619K0.00%Q2 2026 14

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$2M613K0.00%Q2 2026 15

GOLDMAN SACHS GROUP INC

CIK 0000886982

$2M593K0.00%Q2 2026 16

VANGUARD FIDUCIARY TRUST CO

CIK 0000933478· Index

$2M565K0.00%Q2 2026 17

GROUP ONE TRADING LLC

CIK 0000932540

$1M374K0.00%Q2 2026 18

Scientech Research LLC

CIK 0002011556

$909K289K0.57%Q4 2025 19

Penserra Capital Management LLC

CIK 0001593324

$842K363K0.01%Q1 2026 20

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

CIK 0000884546· Index

$732K261K0.00%Q2 2026

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