ALLIANCEBERNSTEIN L.P. - 30 Sep 2025 SCHEDULE 13G Report for Amplitude Inc Common Stock (AMPL)

Filing Manager
ALLIANCEBERNSTEIN L.P.
Reporting Manager
AllianceBernstein L.P.
Symbol
AMPL
Shares outstanding
102,125,254 shares
Disclosed Ownership
6,025,390 shares
Ownership
5.9%
Form type
SCHEDULE 13G
Filing time
14 Nov 2025, 11:59:36 UTC
Date of event
30 Sep 2025

Sponsored

Quoteable Key Fact

"ALLIANCEBERNSTEIN L.P. disclosed 5.9% ownership in Amplitude Inc Common Stock (AMPL) on 30 Sep 2025."

Quick Takeaways

  • ALLIANCEBERNSTEIN L.P. filed SCHEDULE 13G for Amplitude Inc Common Stock (AMPL).
  • Disclosed ownership: 5.9%.
  • Date of event: 30 Sep 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 14 Nov 2025, 11:59.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Official SEC Source

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
AllianceBernstein L.P. 5.9% 6,025,390 5,831,968 0 Melissa Guerra VP/Director of Compliance