AMPL — AMPLITUDE INC-CLASS A

Ownership history in Quantbot Technologies LP  ·  10 quarters on record

This page tracks every 13F SEC filing in which Quantbot Technologies LP reported a position in AMPLITUDE INC-CLASS A (AMPL). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.04% (2025 Q2)
Avg. % of fund
0.02%
First filed
2022 Q1
Last filed
2025 Q3
Quarters held
10
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 REDUCED 87,881 -25,963 -22.8% 0.03% $942K $10.72
2025 Q2 ADDED 113,844 +47,992 +72.9% 0.04% $1.4M $12.40
2025 Q1 ADDED 65,852 +41,462 +170.0% 0.02% $671K $10.19
2024 Q3 ADDED 24,390 +4,309 +21.5% 0.01% $219K $8.97
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% of Fund (quarterly)    AMPL price (monthly, adj. close)

Other funds also holding AMPL

As of 2025 Q4 — sorted by position size

Toronado Partners, LLC 3Y 7Y 8.58% Meros Investment Management, LP 3Y 3.96% Gagnon Advisors, LLC 3Y 7Y 3.36% Circumference Group LLC 2.97% MONIMUS CAPITAL MANAGEMENT, LP 2.84% LIGHT STREET CAPITAL MANAGEMENT, LLC 3Y 7Y 2.67% GAGNON SECURITIES LLC 3Y 7Y 1.65% Optimus Prime Fund Management Co., Ltd. 3Y 7Y 1.47% WESTERLY CAPITAL MANAGEMENT, LLC 3Y 7Y 1.27% G2 Investment Partners Management LLC 3Y 7Y 0.78%
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