AI Holders Summary · Q2 2026

286 institutions reported ATEC in Q2 2026. BlackRock, Inc. leads at 14.9% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(2 on this page)

#HolderValueShares% port.Quarter

BlackRock, Inc.

CIK 0002012383

$98M11.3M0.00%Q2 2026 02

UBS Group AG

CIK 0001610520

$63M7.2M0.01%Q2 2026 03

AMERICAN CENTURY COMPANIES INC

CIK 0000748054

$56M6.5M0.02%Q2 2026 04

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$44M5.1M0.00%Q2 2026 05

TWO SIGMA ADVISERS, LP

CIK 0001478735

$34M1.6M0.07%Q4 2025 06

CITADEL ADVISORS LLC

CIK 0001423053

$33M1.6M0.00%Q4 2025 07

BNP Paribas Asset Management Holding S.A.

CIK 0001520354

$31M3.5M0.03%Q2 2026 08

STATE STREET CORP

CIK 0000093751

$30M3.5M0.00%Q2 2026 09

ROYAL BANK OF CANADA

CIK 0001000275

$30M3.5M0.00%Q2 2026 10

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$28M3.2M0.00%Q2 2026 11

Point72 Asset Management, L.P.

CIK 0001603466

$27M2.5M0.03%Q1 2026 12

Iron Triangle Partners LP

CIK 0001779763

$27M1.3M3.09%Q4 2025 13

BRAIDWELL LP

CIK 0001920938

$24M2.2M0.79%Q1 2026 14

Nuveen, LLC

CIK 0001871926

$23M2.6M0.01%Q2 2026 15

TREMBLANT CAPITAL GROUP

CIK 0001353312

$22M2.6M0.64%Q2 2026 16

AQR CAPITAL MANAGEMENT LLC

CIK 0001167557

$21M2.4M0.01%Q2 2026 17

EMERALD ADVISERS, LLC

CIK 0001015083

$18M2.1M0.43%Q2 2026 18

BANK OF AMERICA CORP /DE/

CIK 0000070858

$17M2.0M0.00%Q2 2026 19

Delaware Management Holdings, Inc.

CIK 0000921739

$17M2.0M0.03%Q2 2026 20

Cerity Partners LLC

CIK 0001566475

$16M1.9M0.02%Q2 2026

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