Amplitude AMPL Institutional Ownership

Updated Oct 21, 2026

Amplitude, Inc. (NASDAQ:AMPL) appeared in the 13F filings of 201 institutional investors for the quarter ended June 30, 2026.

• Their combined stake equaled 62.10% of outstanding shares in Q2 2026, down from 62.53% in Q1 2026.
• Total shares held in Amplitude fell 3.61% versus Q1 2026, while the number of holders rose 8.06% versus Q2 2025.
• Of the 201 holders of AMPL in Q2 2026, 115 added to their positions, 62 reduced their stakes and 24 left their positions unchanged.
• Combined, institutional investors held 80.35Mn shares of AMPL as of Q2 2026, down 3.01Mn from the prior quarter and up 3.83Mn from a year earlier.
• Wellington Management Group LLP was the top holder of Amplitude as of June 30, 2026, with 11.09Mn shares, or 8.57% of shares outstanding.
• The biggest increases in AMPL positions during Q2 2026 came from FMR LLC (+2.67Mn shares), Trigran Investments, Inc. (+1.94Mn shares), Citadel Advisors LLC (+836.68K shares), CenterBook Partners LP (+730.25K shares) and Lazard Asset Management LLC (+339.12K shares).
• Among holders that kept a stake in Amplitude, the biggest sellers in Q2 2026 were Nuveen, LLC (-2.29Mn shares), Millennium Management LLC (-1.65Mn shares), Point72 Asset Management, L.P. (-1Mn shares), Baillie Gifford & Co (-854.6K shares) and Jacobs Levy Equity Management, Inc (-771.81K shares).
• Business Quant data shows the 10 biggest positions in Amplitude as of Q2 2026 were held by Wellington Management Group LLP (11.09Mn shares), BlackRock, Inc. (10.04Mn shares), Vanguard Portfolio Management LLC (6.08Mn shares), FMR LLC (5.98Mn shares), Vanguard Capital Management LLC (3.94Mn shares), SC US (TTGP), LTD. (2.8Mn shares), State Street Corp (2.6Mn shares), Geode Capital Management, LLC (2.48Mn shares), Trigran Investments, Inc. (2.32Mn shares) and Baillie Gifford & Co (1.78Mn shares).