AI Holders Summary · Q1 2026

35 institutions reported ATOS in Q1 2026. VANGUARD CAPITAL MANAGEMENT LLC leads at 26.9% 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

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$2M349K0.00%Q1 2026 02

AMERIPRISE FINANCIAL INC

CIK 0000820027

$1M255K0.00%Q1 2026 03

BlackRock, Inc.

CIK 0002012383

$700K133K0.00%Q1 2026 04

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$573K109K0.00%Q1 2026 05

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$511K97K0.00%Q1 2026 06

UBS Group AG

CIK 0001610520

$484K92K0.00%Q1 2026 07

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$351K67K0.00%Q1 2026 08

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$289K55K0.00%Q1 2026 09

VANGUARD FIDUCIARY TRUST CO

CIK 0000933478· Index

$275K52K0.00%Q1 2026 10

STATE STREET CORP

CIK 0000093751

$209K40K0.00%Q1 2026 11

NORTHERN TRUST CORP

CIK 0000073124· Index

$101K19K0.00%Q1 2026 12

MORGAN STANLEY

CIK 0000895421

$85K16K0.00%Q1 2026 13

MARSHALL WACE, LLP

CIK 0001318757

$17K28K0.00%Q4 2025 14

Vanguard Global Advisers, LLC

CIK 0001811242· Index

$16K3K0.00%Q1 2026 15

JONES FINANCIAL COMPANIES LLLP

CIK 0000815917

$10K2K0.00%Q1 2026 16

Tower Research Capital LLC (TRC)

CIK 0001533421

$5K8630.00%Q1 2026 17

GROUP ONE TRADING LLC

CIK 0000932540

$3K6090.00%Q1 2026 18

OSAIC HOLDINGS, INC.

CIK 0001677044

$3K5870.00%Q1 2026 19

ROYAL BANK OF CANADA

CIK 0001000275

$3K6440.00%Q1 2026 20

Rockefeller Capital Management L.P.

CIK 0001739439

$2K3530.00%Q1 2026

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