A detailed history of David A. Siegel (Two Sigma Advisers, LP) transactions in Amprius Technologies, Inc. stock. As of the latest transaction made, Two Sigma Advisers, LP holds 812,000 shares of AMPX stock, worth $9.17 Million. This represents 0.02% of its overall portfolio holdings.

Number of Shares
812,000
Previous 402,400 101.79%
Holding current value
$9.17 Million
Previous $1.69 Million 404.25%
% of portfolio
0.02%
Previous 0.0%

Shares

4 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 14, 2025

BUY
$3.91 - $12.06 $1.6 Million - $4.94 Million
409,600 Added 101.79%
812,000 $8.54 Million
Q2 2025

Aug 14, 2025

BUY
$2.07 - $4.27 $741,681 - $1.53 Million
358,300 Added 812.47%
402,400 $1.69 Million
Q1 2025

May 15, 2025

SELL
$1.78 - $3.84 $2,848 - $6,144
-1,600 Reduced 3.5%
44,100 $118,000
Q4 2024

Feb 14, 2025

BUY
$1.01 - $2.98 $46,157 - $136,186
45,700 New
45,700 $127,000

Others Institutions Holding AMPX

About Amprius Technologies, Inc.


  • Ticker AMPX
  • Sector Industrials
  • Industry Electrical Equipment & Parts
  • Shares Outstandng 109,831,000
  • Market Cap $1.24B
More about AMPX
Track David A. Siegel's Portfolio

Track David A. Siegel Portfolio

Follow David A. Siegel (Two Sigma Advisers, LP) and customize your updates to receive the information that matters most to you.

Portfolio Update

Get notified when there are updates to the investment portfolio of Two Sigma Advisers, LP, based on Form 13F filings with the SEC.

News

Stay updated on Two Sigma Advisers, LP and David A. Siegel with notifications on news.