Amplitude, Inc.

Historical 13F Holders

Symbol
AMPL
CUSIP
03213A104
All holders as of
Q2 2026
Type
Equity
Class
COM CL A
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 03213A104 since 12/18/2024, largest first.

Filer % of Class Filed
Wellington Management Group LLP 13G
10.7% 4/7/2026
Event 3/31/2026
SC US (TTGP), Ltd. 13D/A
9.9% 2/25/2025
Event 2/20/2025
BlackRock, Inc. 13G/A 7.6% 7/27/2026
Event 6/30/2026
Vanguard Portfolio Management LLC 13G 6.0% 4/28/2026
Event 3/31/2026
FMR LLC 13G
5.8% 8/6/2026
Event 6/30/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (5)
GIC Private Ltd 13G/A
4.8% 8/11/2025
Event 6/30/2025
Battery Ventures XI-A, L.P. 13G/A
4.7% 5/15/2025
Event 3/31/2025
AllianceBernstein L.P. 13G/A 0.3% 5/18/2026
Event 3/31/2026
T. Rowe Price Investment Management, Inc. 13G/A 0% 2/17/2026
Event 12/31/2025
Vanguard Group Inc 13G/A 0% 3/26/2026
Event 3/13/2026

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 4 8.67 k $121 k
2026 Q2 217 81.3 M $809 M
2026 Q1 231 83.4 M $570 M
2025 Q4 228 80.5 M $932 M
2025 Q3 224 80.4 M $862 M
2025 Q2 205 77.8 M $965 M
2025 Q1 210 72.5 M $739 M
2024 Q4 154 70.1 M $740 M
2024 Q3 141 66.9 M $600 M
2024 Q2 143 68.6 M $611 M
2024 Q1 137 61.8 M $672 M
2023 Q4 149 57.6 M $732 M
2023 Q3 156 54.7 M $633 M
2023 Q2 144 53.2 M $579 M
2023 Q1 146 50.0 M $627 M
2022 Q4 156 47.3 M $630 M
2022 Q3 146 46.3 M $717 M
2022 Q2 143 44.0 M $629 M
2022 Q1 118 32.2 M $594 M
2021 Q4 117 34.8 M $1.84 B
2021 Q3 51 34.1 M $1.85 B