AI Holders Summary · Q2 2026

300 institutions reported CALX in Q2 2026. BlackRock, Inc. leads at 28.6% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(5 on this page)

#HolderValueShares% port.Quarter

BlackRock, Inc.

CIK 0002012383

$439M11.8M0.01%Q2 2026 02

Vanguard Portfolio Management

CIK 0002100121· Index

$209M5.6M0.01%Q2 2026 03

ALLIANCEBERNSTEIN L.P.

CIK 0001109448

$172M3.3M0.06%Q1 2026 04

STATE STREET CORP

CIK 0000093751

$109M2.9M0.00%Q2 2026 05

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$97M2.6M0.00%Q2 2026 06

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$55M1.5M0.00%Q2 2026 07

WESTFIELD CAPITAL MANAGEMENT CO LP

CIK 0001177719

$49M1.3M0.16%Q2 2026 08

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$49M1.3M0.01%Q2 2026 09

ACADIAN ASSET MANAGEMENT LLC

CIK 0000916542

$39M800K0.06%Q1 2026 10

PARADIGM CAPITAL MANAGEMENT INC/NY

CIK 0001037792

$37M997K1.01%Q2 2026 11

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

CIK 0001164508

$33M876K0.01%Q2 2026 12

UBS Group AG

CIK 0001610520

$32M857K0.00%Q2 2026 13

LOOMIS SAYLES & CO L P

CIK 0000312348

$29M785K0.04%Q2 2026 14

Harvey Partners, LLC

CIK 0001406484

$28M534K2.50%Q4 2025 15

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

CIK 0001705339

$28M753K0.03%Q2 2026 16

TWO SIGMA INVESTMENTS, LP

CIK 0001179392

$26M704K0.02%Q2 2026 17

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$26M699K0.01%Q2 2026 18

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

CIK 0000884546· Index

$26M697K0.00%Q2 2026 19

Point72 Asset Management, L.P.

CIK 0001603466

$25M514K0.03%Q1 2026 20

Delaware Management Holdings, Inc.

CIK 0000921739

$25M660K0.04%Q2 2026

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