AI Holders Summary · Q2 2026

134 institutions reported ALTO in Q2 2026. BlackRock, Inc. leads at 17.9% 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

$31M5.5M0.00%Q2 2026 02

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$18M3.2M0.00%Q2 2026 03

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$14M2.9M0.00%Q1 2026 04

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

CIK 0001164508

$13M2.3M0.01%Q2 2026 05

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$11M2.0M0.00%Q2 2026 06

TWO SIGMA INVESTMENTS, LP

CIK 0001179392

$10M2.0M0.01%Q1 2026 07

Hillsdale Investment Management Inc.

CIK 0001368465

$10M1.7M0.22%Q2 2026 08

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$9M1.9M0.00%Q1 2026 09

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$9M1.5M0.01%Q2 2026 10

STATE STREET CORP

CIK 0000093751

$7M1.2M0.00%Q2 2026 11

JANE STREET GROUP, LLC

CIK 0001595888· Market maker

$7M1.4M0.00%Q1 2026 12

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$7M1.1M0.00%Q2 2026 13

Connor, Clark & Lunn Investment Management Ltd.

CIK 0001596800

$5M856K0.01%Q2 2026 14

Qube Research & Technologies Ltd

CIK 0001729829

$5M970K0.01%Q1 2026 15

NORTHERN TRUST CORP

CIK 0000073124· Index

$4M784K0.00%Q2 2026 16

CREATIVE FINANCIAL DESIGNS INC /ADV

CIK 0000819864

$4M615K0.17%Q2 2026 17

PANAGORA ASSET MANAGEMENT INC

CIK 0000883677

$3M584K0.01%Q2 2026 18

GOLDMAN SACHS GROUP INC

CIK 0000886982

$3M602K0.00%Q1 2026 19

VANGUARD FIDUCIARY TRUST CO

CIK 0000933478· Index

$3M508K0.00%Q2 2026 20

ACADIAN ASSET MANAGEMENT LLC

CIK 0000916542

$3M591K0.00%Q1 2026

Page 1 of 7

114 more holders available. Log in →