AI Holders Summary · Q2 2026

31 institutions reported OSTX in Q2 2026. VANGUARD CAPITAL MANAGEMENT LLC leads at 27.5% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(6 on this page)

#HolderValueShares% port.Quarter

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$1M778K0.00%Q2 2026 02

CM Management, LLC

CIK 0001841857

$760K400K0.48%Q2 2026 03

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$573K302K0.00%Q2 2026 04

HOWARD FINANCIAL SERVICES, LTD.

CIK 0001768130

$471K248K0.05%Q2 2026 05

BlackRock, Inc.

CIK 0002012383

$461K242K0.00%Q2 2026 06

VANGUARD FIDUCIARY TRUST CO

CIK 0000933478· Index

$331K174K0.00%Q2 2026 07

STATE STREET CORP

CIK 0000093751

$228K120K0.00%Q2 2026 08

MARSHALL WACE, LLP

CIK 0001318757

$191K101K0.00%Q2 2026 09

HighTower Advisors, LLC

CIK 0001462245

$163K86K0.00%Q2 2026 10

NORTHERN TRUST CORP

CIK 0000073124· Index

$135K71K0.00%Q2 2026 11

Beacon Pointe Advisors, LLC

CIK 0001744317

$119K63K0.00%Q2 2026 12

BRIDGEWAY CAPITAL MANAGEMENT, LLC

CIK 0001107261

$86K45K0.00%Q2 2026 13

TWO SIGMA INVESTMENTS, LP

CIK 0001179392

$58K30K0.00%Q2 2026 14

JANE STREET GROUP, LLC

CIK 0001595888· Market maker

$57K40K0.00%Q1 2026 15

STIFEL FINANCIAL CORP

CIK 0000720672

$53K28K0.00%Q2 2026 16

INGALLS & SNYDER LLC

CIK 0001041885

$52K37K0.00%Q1 2026 17

AXQ CAPITAL, LP

CIK 0001916908

$47K25K0.01%Q2 2026 18

Vanguard Global Advisers, LLC

CIK 0001811242· Index

$40K21K0.00%Q2 2026 19

Stratos Wealth Advisors, LLC

CIK 0001707202

$37K19K0.00%Q2 2026 20

Quadrature Capital Ltd

CIK 0001651424

$30K16K0.00%Q2 2026

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