AI Holders Summary · Q1 2026

264 institutions reported XMTR in Q1 2026. PRIMECAP MANAGEMENT CO/CA/ leads at 17.9% 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

PRIMECAP MANAGEMENT CO/CA/

CIK 0000763212

$265M6.5M0.21%Q1 2026 02

BlackRock, Inc.

CIK 0002012383

$143M3.5M0.00%Q1 2026 03

FMR LLC

CIK 0000315066

$128M3.1M0.01%Q1 2026 04

EVENTIDE ASSET MANAGEMENT, LLC

CIK 0001442891

$121M3.0M2.00%Q1 2026 05

AMERIPRISE FINANCIAL INC

CIK 0000820027

$83M2.0M0.02%Q1 2026 06

Vanguard Portfolio Management

CIK 0002100121· Index

$81M2.0M0.00%Q1 2026 07

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$81M2.0M0.00%Q1 2026 08

FIRST TRUST ADVISORS LP

CIK 0001125816· Index

$64M1.6M0.05%Q1 2026 09

DRIEHAUS CAPITAL MANAGEMENT LLC

CIK 0000938206

$62M1.5M0.45%Q1 2026 10

FULLER & THALER ASSET MANAGEMENT, INC.

CIK 0001082327

$55M1.3M0.18%Q1 2026 11

JANE STREET GROUP, LLC

CIK 0001595888· Market maker

$47M1.1M0.01%Q1 2026 12

Hood River Capital Management LLC

CIK 0001578177

$46M1.1M0.46%Q1 2026 13

BAILLIE GIFFORD & CO

CIK 0001088875

$46M1.1M0.05%Q1 2026 14

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$45M1.1M0.00%Q1 2026 15

WELLINGTON MANAGEMENT GROUP LLP

CIK 0000902219

$43M1.0M0.01%Q1 2026 16

STATE STREET CORP

CIK 0000093751

$40M981K0.00%Q1 2026 17

GILDER GAGNON HOWE & CO LLC

CIK 0000902464

$38M921K0.45%Q1 2026 18

NEXT CENTURY GROWTH INVESTORS LLC

CIK 0001134007

$32M787K2.33%Q1 2026 19

Stephens Investment Management Group LLC

CIK 0001314440

$32M779K0.44%Q1 2026 20

Allspring Global Investments Holdings, LLC

CIK 0001890906

$29M694K0.05%Q1 2026

Page 1 of 14

244 more holders available. Log in →