WELLINGTON MANAGEMENT GROUP LLP - 31 Dec 2025 SCHEDULE 13G/A Report for MNTN, Inc. Common Stock (MNTN)

Filing Manager
WELLINGTON MANAGEMENT GROUP LLP
Reporting Manager
Wellington Management Group LLP
Security
MNTN, Inc. Common Stock
Symbol
MNTN
Shares outstanding
44,082,485 shares
Disclosed Ownership
5,730,723 shares
Ownership
13%
Form type
SCHEDULE 13G/A
Filing time
10 Feb 2026, 11:21:53 UTC
Date of event
31 Dec 2025
Previous filing
08 Sep 2025
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Wellington Management Group LLP 13% 5,730,723 0 4,464,431 Taisia Lowe Regulatory Analyst
Wellington Group Holdings LLP 13% 5,730,723 0 4,464,431 Taisia Lowe Regulatory Analyst
Wellington Investment Advisors Holdings LLP 13% 5,730,723 0 4,464,431 Taisia Lowe Regulatory Analyst
Wellington Management Company LLP 12% 5,730,723 0 4,413,715 Taisia Lowe Regulatory Analyst