AI Holders Summary · Q2 2026

311 institutions reported ATRO in Q2 2026. BlackRock, Inc. leads at 18.6% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(4 on this page)

#HolderValueShares% port.Quarter

BlackRock, Inc.

CIK 0002012383

$248M3.1M0.00%Q2 2026 02

STATE STREET CORP

CIK 0000093751

$167M2.1M0.00%Q2 2026 03

AMERICAN CENTURY COMPANIES INC

CIK 0000748054

$116M1.7M0.06%Q1 2026 04

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$93M1.4M0.00%Q1 2026 05

Capital International Investors

CIK 0001562230

$86M1.3M0.02%Q1 2026 06

UBS Group AG

CIK 0001610520

$74M1.1M0.01%Q1 2026 07

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$59M887K0.00%Q1 2026 08

Pertento Partners LLP

CIK 0001894571

$54M815K3.98%Q1 2026 09

NEXT CENTURY GROWTH INVESTORS LLC

CIK 0001134007

$52M786K3.80%Q1 2026 10

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$45M674K0.01%Q1 2026 11

EMERALD ADVISERS, LLC

CIK 0001015083

$42M514K0.98%Q2 2026 12

Point72 Asset Management, L.P.

CIK 0001603466

$38M571K0.05%Q1 2026 13

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$38M570K0.00%Q1 2026 14

Capital World Investors

CIK 0001422849

$37M561K0.01%Q1 2026 15

TORONTO DOMINION BANK

CIK 0000947263

$33M494K0.05%Q1 2026 16

RAYMOND JAMES FINANCIAL INC

CIK 0000720005

$31M493K0.01%Q1 2026 17

GOLDMAN SACHS GROUP INC

CIK 0000886982

$30M455K0.00%Q1 2026 18

AMERIPRISE FINANCIAL INC

CIK 0000820027

$30M451K0.01%Q1 2026 19

MORGAN STANLEY

CIK 0000895421

$30M448K0.00%Q1 2026 20

Fisher Asset Management, LLC

CIK 0000850529

$27M334K0.01%Q2 2026

Page 1 of 16

291 more holders available. Log in →