AMPLITUDE INC-CLASS A (AMPL) Institutional Buying Activity

Institutional investors tracked by InsiderSet increased exposure to AMPLITUDE INC-CLASS A (AMPL) during the quarter ended March 31, 2026 through a combination of new purchases and expanded existing positions disclosed in SEC Form 13F filings.

The largest institutional buyer of AMPL during the latest reporting period was Renaissance Technologies LLC, which increased its reported AMPL position by approximately $1.67M based on quarter-end filing values. Several additional hedge funds and long-term asset managers also reported meaningful increases in AMPL exposure during the quarter.

Institutional buying activity can provide insight into investor conviction, sector allocation trends, and smart money positioning toward AMPLITUDE INC-CLASS A (AMPL). InsiderSet tracks quarterly accumulation trends, new institutional positions, ownership increases, and estimated performance of newly disclosed holdings using SEC filing data and recent market prices.

The investors highlighted on this page collectively added approximately $2.46M in reported AMPL exposure during the latest filing period, reflecting continued institutional interest in AMPLITUDE INC-CLASS A's growth initiatives and strategic positioning.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2025Renaissance Technologies LLCBuy163,714383,214$3,904,951
Q4 2024Renaissance Technologies LLCBuy8,200219,500$2,315,725
Q2 2024Renaissance Technologies LLCBuy67,500413,100$3,676,590
Q1 2024Renaissance Technologies LLCBuy69,200345,600$3,760
Q4 2023Renaissance Technologies LLCBuy47,600276,400$3,516
Q2 2023Renaissance Technologies LLCBuy100,800379,200$4,171
Q4 2022Renaissance Technologies LLCBuy247,609321,300$3,881
Q3 2022Renaissance Technologies LLCBuy73,69173,691$1,140
Q4 2021Lone Pine CapitalBuy250,0001,877,000$99,368
Q3 2021Lone Pine CapitalBuy1,627,0001,627,000$88,411

Frequently asked questions about AMPL activity

  • Which institutional owners are buying AMPL?

    Institutional owners buying AMPL include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in AMPL activity?

    "Buy" means an investor increased their reported position in AMPL compared to the prior reporting period. This reflects growing exposure to AMPLITUDE INC-CLASS A (AMPL) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in AMPL increasing?

    Institutional interest in AMPL can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.