Rambus Inc
RMBS- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0000917273
In the last 90 days, Rambus Inc insiders filed 0 open-market purchases and 2 sales; 620 institutions reported holding it in 13F filings for Q2 2026, worth $13.3B in total; superinvestors Duquesne Family Office and Maverick Capital hold it.
Superinvestors holding RMBS, Q2 2026
2 superinvestors report holding Rambus Inc on Form 13F, worth $23.5M in total. Weight is Rambus Inc's share of each 13F portfolio; actions compare shares with Q1 2026.
| Superinvestor | % of portfolio | Shares | Value | vs. previous quarter |
|---|---|---|---|---|
| Duquesne Family OfficeStanley Druckenmiller | 0.5% | 173,000 | $23.0M | New |
| Maverick CapitalLee Ainslie | <0.1% | 4,309 | $572.0K | Reduced−66.9% |
Moves by quarter
Superinvestors that opened, added to, trimmed or sold out of RMBS each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.
Q2 2026
2 superinvestors holding at quarter end
- New
- Duquesne Family Office
- Reduced
- Maverick Capital (−66.9%)
Q1 2026
1 superinvestor holding at quarter end