AI Holders Summary · Q1 2026

407 institutions reported SEI in Q1 2026. BlackRock, Inc. leads at 11.4% 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

$233M4.1M0.00%Q1 2026 02

SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC

CIK 0001638555

$144M2.6M3.88%Q1 2026 03

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$142M2.5M0.02%Q1 2026 04

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$129M2.3M0.05%Q1 2026 05

JANE STREET GROUP, LLC

CIK 0001595888· Market maker

$123M2.2M0.02%Q1 2026 06

Encompass Capital Advisors LLC

CIK 0001541901

$118M2.6M4.80%Q4 2025 07

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$115M2.0M0.00%Q1 2026 08

VAN ECK ASSOCIATES CORP

CIK 0000869178

$110M2.0M0.08%Q1 2026 09

TWO SIGMA INVESTMENTS, LP

CIK 0001179392

$110M1.9M0.09%Q1 2026 10

FMR LLC

CIK 0000315066

$105M1.9M0.01%Q1 2026 11

MORGAN STANLEY

CIK 0000895421

$96M1.7M0.01%Q1 2026 12

DRIEHAUS CAPITAL MANAGEMENT LLC

CIK 0000938206

$92M1.6M0.68%Q1 2026 13

STATE STREET CORP

CIK 0000093751

$77M1.4M0.00%Q1 2026 14

ADVENT INTERNATIONAL, L.P.

CIK 0001034196

$70M1.2M1.65%Q1 2026 15

PRINCIPAL FINANCIAL GROUP INC

CIK 0001126328

$65M1.1M0.03%Q1 2026 16

CITADEL ADVISORS LLC

CIK 0001423053

$64M1.4M0.01%Q4 2025 17

GOLDMAN SACHS GROUP INC

CIK 0000886982

$64M1.1M0.01%Q1 2026 18

Valiant Capital Management, L.P.

CIK 0001452689

$63M1.1M3.63%Q1 2026 19

Situational Awareness LP

CIK 0002045724

$62M1.1M0.46%Q1 2026 20

Situational Awareness Partners LP

CIK 0002038540

$62M1.1M0.46%Q1 2026

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