AMPL Amplitude, Inc.: institutional ownership and insider trading
222 funds reported holding $858M of Amplitude, Inc. in their latest 13F filings; in Q2 2026 funds net sold $23.9M, with 32 new positions and 45 funds selling out; over the last 12 months insiders bought $300K and sold $13.3M on the open market.
Famous investors holding AMPL
- Ken Griffin (Citadel Advisors): $8.67M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $3.18M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $2.94M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $91.0K, 0.0% of the portfolio
Largest institutional holders of AMPL
- VANGUARD GROUP INC — $125M
- Banque Cantonale Vaudoise — $99.0M
- WELLINGTON MANAGEMENT GROUP LLP — $84.8M
- BlackRock, Inc. (BLK) — $76.8M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $46.5M
- FMR LLC — $45.7M
- VANGUARD CAPITAL MANAGEMENT LLC — $30.1M
- SC US (TTGP), LTD. — $21.4M
- STATE STREET CORP (STT, STT-PG) — $19.9M
- GEODE CAPITAL MANAGEMENT, LLC — $19.0M
Recent AMPL insider trades
- Oct 2, 2026: Skates Spenser sold 70,087 shares ($1.02M)
- Oct 1, 2026: Skates Spenser sold 4,913 shares ($71.0K)
- Sep 10, 2026: Skates Spenser sold 185,000 shares ($2.28M)
- Sep 4, 2026: Crook Nathaniel Glenn sold 300,000 shares ($3.90M)
5%+ owners
- Wellington Management Group LLP: 10.7% (Schedule 13G, filed Apr 7, 2026)
- BlackRock, Inc.: 7.6% (Schedule 13G/A, filed Jul 27, 2026)
- Vanguard Portfolio Management: 6.0% (Schedule 13G, filed Apr 28, 2026)
- FMR LLC: 5.8% (Schedule 13G, filed Aug 6, 2026)