AI Holders Summary · Q2 2026

292 institutions reported STEP in Q2 2026. BlackRock, Inc. leads at 20.1% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(3 on this page)

#HolderValueShares% port.Quarter

BlackRock, Inc.

CIK 0002012383

$495M12.0M0.01%Q2 2026 02

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$233M5.6M0.08%Q2 2026 03

PRICE T ROWE ASSOCIATES INC /MD/

CIK 0000080255

$233M4.9M0.03%Q1 2026 04

WELLINGTON MANAGEMENT GROUP LLP

CIK 0000902219

$215M5.2M0.04%Q2 2026 05

Vanguard Portfolio Management

CIK 0002100121· Index

$193M4.7M0.01%Q2 2026 06

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$147M3.6M0.00%Q2 2026 07

STATE STREET CORP

CIK 0000093751

$129M3.1M0.00%Q2 2026 08

Capital World Investors

CIK 0001422849

$104M2.5M0.01%Q2 2026 09

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$83M2.0M0.00%Q2 2026 10

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

CIK 0001644956

$80M1.9M0.24%Q2 2026 11

WESTFIELD CAPITAL MANAGEMENT CO LP

CIK 0001177719

$72M1.7M0.23%Q2 2026 12

JPMORGAN CHASE & CO

CIK 0000019617

$61M1.5M0.00%Q2 2026 13

GOLDMAN SACHS GROUP INC

CIK 0000886982

$59M1.4M0.01%Q2 2026 14

CIBC Private Wealth Group LLC

CIK 0001298088

$58M900K0.10%Q4 2025 15

ADAGE CAPITAL PARTNERS GP, L.L.C.

CIK 0001165408

$58M1.4M0.08%Q2 2026 16

SAMLYN CAPITAL, LLC

CIK 0001421097

$52M1.3M0.85%Q2 2026 17

Capital Research Global Investors

CIK 0001422848

$51M1.2M0.01%Q2 2026 18

BALYASNY ASSET MANAGEMENT L.P.

CIK 0001218710

$46M1.1M0.06%Q2 2026 19

MORGAN STANLEY

CIK 0000895421

$45M1.1M0.00%Q2 2026 20

Junto Capital Management LP

CIK 0001595880

$45M1.1M0.78%Q2 2026

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