AI Holders Summary · Q1 2026

56 institutions reported BRR in Q1 2026. JANE STREET GROUP, LLC leads at 14.2% 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

JANE STREET GROUP, LLC

CIK 0001595888· Market maker

$7M3.4M0.00%Q1 2026 02

LMR Partners LLP

CIK 0001578621

$5M3.5M0.02%Q2 2026 03

Hunting Hill Global Capital, LLC

CIK 0001697398

$4M2.0M3.34%Q1 2026 04

CITADEL ADVISORS LLC

CIK 0001423053

$4M2.5M0.00%Q2 2026 05

Brevan Howard Capital Management LP

CIK 0001512857

$3M1.4M0.03%Q1 2026 06

ParaFi Capital LP

CIK 0001919332

$3M816K0.80%Q4 2025 07

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$3M1.7M0.00%Q2 2026 08

K2 PRINCIPAL FUND, L.P.

CIK 0001461790

$3M1.7M0.19%Q2 2026 09

Galaxy Group Investments LLC

CIK 0001912562

$2M625K0.26%Q4 2025 10

Weiss Asset Management LP

CIK 0001357550

$2M1.4M0.02%Q2 2026 11

UBS Group AG

CIK 0001610520

$2M1.3M0.00%Q2 2026 12

CSS LLC/IL

CIK 0001103646

$2M1.3M0.08%Q2 2026 13

Arrington Capital Management, LLC

CIK 0002087115

$2M1.3M1.18%Q2 2026 14

Alyeska Investment Group, L.P.

CIK 0001453072

$2M1.3M0.01%Q2 2026 15

BlackRock, Inc.

CIK 0002012383

$2M1.1M0.00%Q2 2026 16

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$1M882K0.00%Q2 2026 17

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$1M822K0.00%Q2 2026 18

GROUP ONE TRADING LLC

CIK 0000932540

$1M754K0.00%Q2 2026 19

VANGUARD FIDUCIARY TRUST CO

CIK 0000933478· Index

$612K397K0.00%Q2 2026 20

STATE STREET CORP

CIK 0000093751

$610K396K0.00%Q2 2026

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