AMPL — AMPLITUDE INC-CLASS A

Ownership history in Optimus Prime Fund Management Co., Ltd.  ·  17 quarters on record

This page tracks every 13F SEC filing in which Optimus Prime Fund Management Co., Ltd. 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
2.4% (2023 Q4)
Avg. % of fund
1.37%
First filed
2021 Q4
Last filed
2025 Q4
Quarters held
17
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 UNCHANGED 1,580,100 — 0% 1.47% $18.3M $11.58
2025 Q3 UNCHANGED 1,580,100 — 0% 1.50% $16.9M $10.72
2025 Q2 UNCHANGED 1,580,100 — 0% 1.96% $19.6M $12.40
2025 Q1 UNCHANGED 1,580,100 — 0% 1.84% $16.1M $10.19
13 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% 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% WESTERLY CAPITAL MANAGEMENT, LLC 3Y 7Y 1.27% G2 Investment Partners Management LLC 3Y 7Y 0.78% Kultura Capital Management LP 0.76%
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