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GROUP ONE TRADING LLC

Position in AMPL — Amplitude, Inc.

CIK 932540 CHICAGO, IL

Position in AMPL

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$37,645
-$97,111 QoQ
Shares Held
4,921
-75.1% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#156
of 201 holders
Holding Since
Mar 2022
7 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in AMPL Over Time

Shares Held

Position Value (USD)

Position in Software - Application

Technology · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $130,925,289 across 87 Software - Application names. AMPL ranks #58 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in AMPL

Export CSV
7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $37,645 4,921
2026-03-31 $134,756 19,759
2023-03-31 $50,294 4,043
2022-12-31 $3,756 311
2022-09-30 $59,652 3,856
2022-06-30 $215,493 15,080
2022-03-31 $94,472 5,126