AMPX-WT · Insider trading · 13F holders · Congress trades
Amprius Technologies Inc (AMPX-WT)
Who is buying and selling AMPX-WT: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 1
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
AMPX-WT at a glance
- No open-market insider purchases or sales of AMPX-WT were filed in the last 90 days.
- 1 13F filer hold AMPX-WT among their 50 largest positions, worth $595K combined. The biggest bets by portfolio weight are Zazove Associates LLC (0.6%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
- No member of Congress has disclosed a trade in AMPX-WT.
AMPX-WT insider trading
No open-market insider purchases or sales of AMPX-WT were filed in the last 90 days.
Who owns AMPX-WT? Hedge funds and superinvestors
1 13F filer hold AMPX-WT among their 50 largest positions, worth $595K combined. The biggest bets by portfolio weight are Zazove Associates LLC (0.6%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Zazove Associates LLCInstitutional asset manager | 0.6% | $595K | 102,096 | +65.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 1). Screen AMPX-WT in the grand portfolio →
AMPX-WT stock trades by members of Congress
No member of Congress has disclosed a trade in AMPX-WT.
AMPX-WT questions and answers
Are insiders buying AMPX-WT stock?
No open-market insider purchases or sales of AMPX-WT were filed in the last 90 days.
Which hedge funds own AMPX-WT?
1 13F filer hold AMPX-WT among their 50 largest positions, worth $595K combined. The biggest bets by portfolio weight are Zazove Associates LLC (0.6%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
Has Congress traded AMPX-WT?
No member of Congress has disclosed a trade in AMPX-WT.
Who is the largest holder of AMPX-WT?
Among 13F filers, Zazove Associates LLC reports the largest AMPX-WT position, $595K (102,096 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Zazove Associates LLC's: 0.6% of its portfolio.
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