AI Holders Summary · Q1 2026

805 institutions reported TOST in Q1 2026. FMR LLC leads at 10.8% 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

FMR LLC

CIK 0000315066

$841M31.7M0.04%Q1 2026 02

Capital International Investors

CIK 0001562230

$811M30.6M0.19%Q1 2026 03

BlackRock, Inc.

CIK 0002012383

$720M27.2M0.01%Q1 2026 04

ALLIANCEBERNSTEIN L.P.

CIK 0001109448

$645M18.2M0.21%Q1 2026 05

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$585M22.1M0.01%Q1 2026 06

JENNISON ASSOCIATES LLC

CIK 0000053417

$538M15.2M0.32%Q4 2025 07

Vanguard Portfolio Management

CIK 0002100121· Index

$537M20.3M0.03%Q1 2026 08

JPMORGAN CHASE & CO

CIK 0000019617

$437M16.8M0.03%Q1 2026 09

ValueAct Holdings, L.P.

CIK 0001418814

$342M12.9M5.98%Q1 2026 10

MORGAN STANLEY

CIK 0000895421

$309M11.7M0.02%Q1 2026 11

JANE STREET GROUP, LLC

CIK 0001595888· Market maker

$285M10.7M0.04%Q1 2026 12

STATE STREET CORP

CIK 0000093751

$269M10.1M0.01%Q1 2026 13

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$238M9.0M0.01%Q1 2026 14

PRINCIPAL FINANCIAL GROUP INC

CIK 0001126328

$211M8.0M0.11%Q1 2026 15

MARSHALL WACE, LLP

CIK 0001318757

$188M5.3M0.17%Q4 2025 16

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$184M6.9M0.02%Q1 2026 17

Sumitomo Mitsui Trust Group, Inc.

CIK 0001475365

$182M6.9M0.12%Q1 2026 18

UBS Group AG

CIK 0001610520

$175M6.6M0.03%Q1 2026 19

XN LP

CIK 0001756558

$173M6.5M6.34%Q1 2026 20

GOLDMAN SACHS GROUP INC

CIK 0000886982

$140M5.3M0.02%Q1 2026

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