RMBS
RAMBUS INCData as of 2026 Q2 (06-30) · 13F snapshot
Summary
RAMBUS INC (RMBS) is held as common stock by 6 tracked hedge-fund managers, with a combined reported value of ~$160.88M; the largest are Izzy Englander, Ken Griffin, Stanley Druckenmiller. 3 tracked managers also disclosed PUT or CALL positions, reported separately below. This quarter: 2 new, 2 added, 2 trimmed. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Heating up
Common-stock holders63 also report options
Congress trades0
Price$103.12vs quarter-end-22.31%
Sectors0
This quarter's moves
Top holderNew2
Added2
Trimmed / sold2
Izzy EnglanderCommon-stock positions
PUT and CALL disclosures are excluded from these holder counts and values.
Value $22.96M0.5% of portfolio173,0002026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Stanley Druckenmiller | $22.96M | 0.5% | New |
PUT / CALL disclosures
Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.
Value $45.66M— of portfolio344,0002026 Q2
Value $17.73M— of portfolio133,6002026 Q2
Value $5.06M— of portfolio38,1002026 Q2
Value $451.3K— of portfolio3,4002026 Q2
Value $371.7K— of portfolio2,8002026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinCALL | $45.66M | — | — |
| Ken GriffinPUT | $17.73M | — | — |
| Izzy EnglanderPUT | $5.06M | — | — |
| Paul Tudor JonesCALL | $451.3K | — | — |
| Izzy EnglanderCALL | $371.7K | — | — |
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.