AI Holders Summary · Q4 2025

117 institutions reported MNTN in Q4 2025. Mercato Partners Growth III GP, LLC leads at 29.5% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

Hide index funds / market makers / custodians(2 on this page)

#HolderValueShares% port.Quarter

Mercato Partners Growth III GP, LLC

CIK 0002060676

$114M6.2M100.00%Q4 2025 02

Mercato Management Legacy, LLC

CIK 0002113675

$57M6.2M100.00%Q2 2026 03

WELLINGTON MANAGEMENT GROUP LLP

CIK 0000902219

$55M6.2M0.01%Q1 2026 04

BlackRock, Inc.

CIK 0002012383

$39M4.3M0.00%Q2 2026 05

FMR LLC

CIK 0000315066

$25M2.8M0.00%Q1 2026 06

Greycroft LP

CIK 0001910274

$18M2.1M12.40%Q1 2026 07

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$13M1.4M0.00%Q1 2026 08

CITADEL ADVISORS LLC

CIK 0001423053

$9M769K0.00%Q4 2025 09

Qube Research & Technologies Ltd

CIK 0001729829

$7M784K0.01%Q1 2026 10

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 0001446194· Market maker

$6M726K0.00%Q1 2026 11

FEDERATED HERMES, INC.

CIK 0001056288

$6M690K0.01%Q1 2026 12

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$6M646K0.01%Q1 2026 13

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$6M632K0.00%Q1 2026 14

AMERICAN FINANCIAL GROUP INC

CIK 0001042046

$5M580K1.89%Q1 2026 15

Militia Capital Management LLC

CIK 0002130487

$5M528K0.52%Q1 2026 16

STATE STREET CORP

CIK 0000093751

$4M473K0.00%Q2 2026 17

BNP PARIBAS FINANCIAL MARKETS

CIK 0001166588

$4M484K0.00%Q1 2026 18

Mariner, LLC

CIK 0001373442

$3M361K0.00%Q1 2026 19

Proem Advisors LLC

CIK 0001842526

$3M325K0.17%Q1 2026 20

Trexquant Investment LP

CIK 0001633445

$2M282K0.02%Q1 2026

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