AI Holders Summary · Q1 2026

592 institutions reported SIRI in Q1 2026. BERKSHIRE HATHAWAY INC leads at 59.0% 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

BERKSHIRE HATHAWAY INC

CIK 0001067983

$2.9B124.8M1.09%Q1 2026 02

BlackRock, Inc.

CIK 0002012383

$222M9.6M0.00%Q1 2026 03

Vanguard Portfolio Management

CIK 0002100121· Index

$201M8.7M0.01%Q1 2026 04

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$192M8.3M0.00%Q1 2026 05

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$160M6.9M0.02%Q1 2026 06

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$145M6.3M0.03%Q1 2026 07

Kontiki Capital Management (HK) Ltd.

CIK 0001713390

$131M5.7M9.22%Q1 2026 08

FPR PARTNERS LLC

CIK 0001546190

$99M4.4M17.13%Q1 2025 09

GOLDMAN SACHS GROUP INC

CIK 0000886982

$93M4.0M0.01%Q1 2026 10

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$86M3.7M0.01%Q1 2026 11

STATE STREET CORP

CIK 0000093751

$82M3.5M0.00%Q1 2026 12

D. E. Shaw & Co., Inc.

CIK 0001009207

$80M4.0M0.04%Q4 2025 13

LSV ASSET MANAGEMENT

CIK 0001050470

$74M3.2M0.16%Q1 2026 14

CITADEL ADVISORS LLC

CIK 0001423053

$70M3.5M0.01%Q4 2025 15

AQR CAPITAL MANAGEMENT LLC

CIK 0001167557

$68M3.0M0.03%Q1 2026 16

CHECK CAPITAL MANAGEMENT INC/CA

CIK 0001032814

$68M2.9M1.98%Q1 2026 17

Gates Capital Management, Inc.

CIK 0001312908

$63M2.7M1.73%Q1 2026 18

THOMPSON SIEGEL & WALMSLEY LLC

CIK 0001008322

$59M2.6M1.04%Q1 2026 19

AMERIPRISE FINANCIAL INC

CIK 0000820027

$56M2.4M0.01%Q1 2026 20

Bank of New York Mellon Corp

CIK 0001390777

$50M2.2M0.01%Q1 2026

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