AMPX
AMPRIUS TECHNOLOGIES INCData as of 2026 Q2 (06-30) · 13F snapshot
Summary
AMPRIUS TECHNOLOGIES INC (AMPX) is held as common stock by 5 tracked hedge-fund managers, with a combined reported value of ~$85.66M; the largest are Ken Griffin, Renaissance Technologies, Izzy Englander. 4 tracked managers also disclosed PUT or CALL positions, reported separately below. This quarter: 5 added, 1 closed. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Heating up
Common-stock holders54 also report options
Congress trades0
Price$9.53vs quarter-end-31.24%
Sectors0
This quarter's moves
Top holderNew0
Added5
Trimmed / sold1
Ken GriffinCommon-stock positions
PUT and CALL disclosures are excluded from these holder counts and values.
| Investor | Value | % of portfolio | Action |
|---|
PUT / CALL disclosures
Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.
Value $29.94M— of portfolio2,160,2002026 Q2
Value $29.03M— of portfolio2,094,7002026 Q2
Value $20.77M— of portfolio1,498,6002026 Q2
Value $14.96M— of portfolio1,079,7002026 Q2
Value $3.33M— of portfolio240,0002026 Q2
Value $1.76M— of portfolio127,2002026 Q2
Value $417.2K— of portfolio30,1002026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Steven CohenCALL | $29.94M | — | — |
| Ken GriffinPUT | $29.03M | — | — |
| Ken GriffinCALL | $20.77M | — | — |
| Steven CohenPUT | $14.96M | — | — |
| Izzy EnglanderPUT | $3.33M | — | — |
| Paul Tudor JonesPUT | $1.76M | — | — |
| Paul Tudor JonesCALL | $417.2K | — | — |
Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.