AI Holders Summary · Q1 2026

138 institutions reported AMPY in Q1 2026. CDC Financial, Inc. leads at 14.5% 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

CDC Financial, Inc.

CIK 0002077836

$16M2.6M10.27%Q1 2026 02

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$10M1.6M0.00%Q1 2026 03

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$10M1.6M0.00%Q1 2026 04

AMERICAN CENTURY COMPANIES INC

CIK 0000748054

$9M1.4M0.00%Q1 2026 05

ACADIAN ASSET MANAGEMENT LLC

CIK 0000916542

$9M1.4M0.01%Q1 2026 06

Truffle Hound Capital, LLC

CIK 0001595862

$8M1.3M2.02%Q1 2026 07

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$6M988K0.00%Q1 2026 08

Caption Management, LLC

CIK 0001706766

$5M874K0.03%Q1 2026 09

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

CIK 0001164508

$5M864K0.00%Q1 2026 10

CSM Advisors, LLC

CIK 0001863523

$5M750K0.12%Q1 2026 11

MARSHALL WACE, LLP

CIK 0001318757

$4M955K0.00%Q4 2025 12

BlackRock, Inc.

CIK 0002012383

$4M576K0.00%Q1 2026 13

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$3M481K0.00%Q1 2026 14

CITADEL ADVISORS LLC

CIK 0001423053

$3M602K0.00%Q4 2025 15

BRIDGEWAY CAPITAL MANAGEMENT, LLC

CIK 0001107261

$3M427K0.05%Q1 2026 16

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$3M415K0.00%Q1 2026 17

Foundry Partners, LLC

CIK 0001573913

$3M690K0.14%Q1 2025 18

MORGAN STANLEY

CIK 0000895421

$3M408K0.00%Q1 2026 19

Invesco Ltd.

CIK 0000914208

$2M348K0.00%Q1 2026 20

Inlight Wealth Management, LLC

CIK 0001731795

$2M273K0.63%Q1 2026

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