AMPRIUS TECHNOLOGIES INC (AMPX) Institutional Ownership and Insiders Activity
AMPRIUS TECHNOLOGIES INC (AMPX) is widely held by institutional investors, with 251 firms reporting positions valued at approximately $1.34B based on SEC Form 13F filings for the quarter ended June 30, 2026.
Blackrock, Inc. is the largest disclosed holder, reporting approximately $157.10M in AMPX holdings in its latest filing.
Recent insider activity includes 6 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.
Institutional Holders
251
Total Reported Value
$1.34B
Largest Holder
Blackrock, Inc.
Largest Position
$157.10M
Insider Transactions (90d)
6
Latest Filing Quarter
Q2 2026
New Institutional Positions
62
Funds Exiting Positions
56
Top Institutional Owners
View allInvestorReported Balance
- Blackrock, Inc.$157.10M
- Vanguard Capital Management Llc$77.10M
- Morgan Stanley$70.76M
- Two Sigma Investments, Lp$59.86M
- Ubs Group Ag$56.44M
AMPX News
All news- University of Pennsylvania Trustees: Significant Shift in Q2 Holdings
Aug 12, 2026 · valut.ai
Related AMPX Institutional Insights:
- AMPX 13F Institutional Holders
- AMPX Top Institutional Shareholders
- AMPX Institutional Ownership Changes
- Industrials Sector Institutional Ownership
- Industrials Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Industrials Stocks By Institutional Investors
- Most Sold Industrials Stocks By Institutional Investors
- AMPX Insider Trading & SEC Form 4 Activity
- AMPX Articles
- Top Institutional Investor Stock Rankings