Institutional shares held 20.6 Million
1.2M calls
270K puts
Total value of holdings $83.7M
$4.86M calls
$1.1M puts
Market Cap $447M
109,831,000 Shares Out.
Institutional ownership 18.72%
# of Institutions 112


Latest Institutional Activity in AMPX

Top Purchases

Q2 2025
Ewa, LLC Shares Held: 19K ($77.4K)
Q2 2025
Janney Montgomery Scott LLC Shares Held: 16K ($65.1K)
Q2 2025
Thurston, Springer, Miller, Herd & Titak, Inc. Shares Held: 10K ($40.7K)
Q1 2025
Essex Investment Management CO LLC Shares Held: 936K ($3.81M)
Q1 2025
Ubs Group Ag Shares Held: 1.11M ($4.52M)

Top Sells

Q2 2025
Farther Finance Advisors, LLC Shares Held: 1 ($4.07)
Q2 2025
Ameriflex Group, Inc. Shares Held: 900 ($3.66K)
Q1 2025
Invesco Ltd. Shares Held: 1.17M ($4.75M)
Q1 2025
Renaissance Technologies LLC Shares Held: 14.4K ($58.6K)
Q1 2025
Jane Street Group, LLC Shares Held: 106K ($431K)

About AMPX


Insider Transactions at AMPX

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
0 Shares
From 0 Insiders
Sell / Disposition
0 Shares
From 0 Insiders

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