Amplitude, Inc. (AMPL) Institutional Ownership

Ownership Summary

Amplitude, Inc. (NASDAQ:AMPL) showed up in the 13F filings of 214 institutional investors as of March 2026.

• They owned 62.7% of outstanding stock in March 2026, up from 61.9% the prior quarter.
• Their total shares held in AMPL increased 22.58% quarter over quarter, and separately, investors owning Amplitude increased 9.18% from a year ago.
• Activity in AMPL broke down as 112 buyers, 72 sellers, and 30 unchanged among 214 total holders.
• Altogether, these fund groups held 83.54Mn shares in AMPL by March 2026, up by 15.39Mn shares quarter on quarter, and up 8.21Mn shares year over year.
• WELLINGTON MANAGEMENT GROUP LLP is the top holder of Amplitude as of March 31, 2026, with 11.15Mn shares representing 8.37% of outstanding stock.
• The largest buyers of Amplitude for the quarter ending March 2026 were WELLINGTON MANAGEMENT GROUP LLP (9.19Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (6.17Mn), VANGUARD CAPITAL MANAGEMENT LLC (4.09Mn), FMR LLC (2.87Mn), JACOBS LEVY EQUITY MANAGEMENT, INC (1.67Mn).
• The largest sellers of Amplitude for the quarter ending March 2026 were ALLIANCEBERNSTEIN L.P. (5.93Mn), TimesSquare Capital Management, LLC (2.51Mn), Goldman Sachs Group Inc (1.84Mn), CITADEL ADVISORS LLC (1.34Mn), LIGHT STREET CAPITAL MANAGEMENT, LLC (1.21Mn).
• Per Business Quant, the top 10 investors in AMPL for the quarter ending March 2026 include WELLINGTON MANAGEMENT GROUP LLP (11.15Mn), BlackRock, Inc. (10.16Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (6.17Mn), VANGUARD CAPITAL MANAGEMENT LLC (4.09Mn), FMR LLC (3.31Mn), SC US (TTGP), LTD. (2.8Mn), BAILLIE GIFFORD & CO (2.63Mn), Nuveen, LLC (2.55Mn), State Street Corp (2.43Mn), Point72 Asset Management, L.P. (2.41Mn).