AI Holders Summary · Q2 2026

40 institutions reported PPSI in Q2 2026. PEAK6 LLC leads at 15.1% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(7 on this page)

#HolderValueShares% port.Quarter

PEAK6 LLC

CIK 0001389958

$788K200K0.00%Q2 2026 02

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$771K196K0.00%Q2 2026 03

CITADEL ADVISORS LLC

CIK 0001423053

$467K119K0.00%Q2 2026 04

Spectrum Investment Advisors, Inc.

CIK 0001856042

$465K138K0.19%Q3 2026 05

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$385K98K0.00%Q2 2026 06

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$366K108K0.00%Q3 2026 07

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$362K107K0.00%Q3 2026 08

BlackRock, Inc.

CIK 0002012383

$236K60K0.00%Q2 2026 09

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$218K65K0.00%Q3 2026 10

VANGUARD FIDUCIARY TRUST CO

CIK 0000933478· Index

$190K48K0.00%Q2 2026 11

JANE STREET GROUP, LLC

CIK 0001595888· Market maker

$156K46K0.00%Q3 2026 12

ACADIAN ASSET MANAGEMENT LLC

CIK 0000916542

$129K38K0.00%Q3 2026 13

STATE STREET CORP

CIK 0000093751

$115K34K0.00%Q3 2026 14

XTX Topco Ltd

CIK 0001828301

$108K27K0.00%Q2 2026 15

NewEdge Advisors, LLC

CIK 0001633516

$86K22K0.00%Q2 2026 16

NORTHERN TRUST CORP

CIK 0000073124· Index

$83K21K0.00%Q2 2026 17

Stratos Wealth Advisors, LLC

CIK 0001707202

$82K21K0.00%Q2 2026 18

Sage Capital Management, LLC

CIK 0002030667

$81K24K0.03%Q3 2026 19

JAMES INVESTMENT RESEARCH, INC.

CIK 0000810384

$74K22K0.01%Q3 2026 20

Legacy Advisors, LLC

CIK 0001720969

$54K16K0.01%Q3 2026

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