Rambus (RMBS)
Builds memory-interface chipsets and licenses interface and security IP for data-intensive computing.
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Sells memory-interface chipsets for server and client memory modules and licenses interface and security IP to chip designers. Revenue combines product sales, patent royalties, and engineering-related fees, with a fabless supply chain and a customer base concentrated among major DRAM manufacturers.
Designs memory-interface chips and licenses silicon IP for data-intensive computing, centered on data-center and AI infrastructure. Complete chipsets combine clocking, data-buffer, power-management, and sensing components for DDR5 and LPDDR5 server and client memory modules. Digital controller IP covers PCIe, CXL, HBM, GDDR, DDR, LPDDR, and MIPI interfaces; security IP spans roots of trust and cryptographic engines.
Revenue comes from chip sales, patent royalties, and contract fees for IP licenses, engineering, support, and maintenance. Memory-interface chips are the largest source, and most revenue comes from customers outside the United States.
Operates a fabless model, relying on Asian foundries and assembly-and-test contractors. Chip demand follows server and client memory transitions, while product revenue is concentrated among major DRAM manufacturers and license revenue depends on patent and technology renewals.
Company facts
Target rangeAs of Sep 21, 2026
Latest analyst notes
| Date | Firm | Action | Prior | Current |
|---|---|---|---|---|
| Jul 28, 2026 | GLJ Research | Target | Target: — | Target: $165 |
| Jul 15, 2026 | Benchmark Co. | Target | Target: — | Target: $165 |
| Jul 15, 2026 | Benchmark | Initiate | Rating: — | |
| Apr 28, 2026 | Evercore ISI | Target | Target: $119 | Target: $172 |
| Apr 28, 2026 | Jefferies | Target | Target: $75 | Target: $145 |
EPSReportedEstimate
RevenueReportedEstimate
Balance sheet, Jun 30, 2026Cash & short-term investments $824.9M · Total debt $21.8M · Total assets $1.61B · Shareholders' equity $1.47B
- Revenue
- $207.4M
- Operating income
- $72.7M
- Net income
- $67.6M
No dividends on record.
| Institutions | 93.72% | 101.64M shares | |
|---|---|---|---|
| 648 holders · as of Jun 30, 2026 | |||
| Insiders | 0.77% | 839.0K shares | |
| 14 holders · as of Sep 15, 2026 | |||
| Other | 5.51% | 5.98M shares | |
| remainder | |||
108.46M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
Top shareholders13F · 13D/G · Form 4
| Holder | Stake | Shares | Date |
|---|---|---|---|
BlackRock, Inc.Institution | 12.88% | 13.96M | as of Jun 30, 2026 |
FMR LLCInstitution | 9.64% | 10.46M | as of Jun 30, 2026 |
Invesco Ltd.Institution | 6.12% | 6.63M | as of Jun 30, 2026 |
Vanguard Portfolio Management LLCInstitution | 5.60% | 6.07M | as of Jun 30, 2026 |
PRIMECAP Management CompanyInstitution | 5.04% | 5.47M | filed Feb 8, 2018 |
Insider tradesForm 4
| Date | Insider | Role | Shares | Avg price |
|---|---|---|---|---|
| Aug 7, 2026 | Charles Kissner | director | −5,000 | $100.92 |
| Jun 2, 2026 | Emiko Higashi | director | −10,000 | $160.50 |
| Jun 3, 2026 | Necip Sayiner | director | −5,000 | $170.15 |
| Jun 1, 2026 | Eric B. Stang | director | −5,000 | $146.00 |
| May 26, 2026 | Emiko Higashi | director | −5,000 | $157.57 |
- Synopsys
Widest silicon IP: PCIe/CXL/DDR/HBM interface plus PUF and Root-of-Trust.
- Cadence Design Systems
Acquired Rambus PHY IP (2023); direct rival in PCIe, CXL, and DDR IP.
- Monolithic Power Systems
DDR5 PMIC, SPD Hub, TS, and RCD supplier for server and client DIMMs.
- Texas Instruments
Diversified analog company; DDR5 PMIC building blocks cited in Rambus 10-K.
Compare
| Company | Price | Change | |||||
|---|---|---|---|---|---|---|---|
| Rambus | $104.51 | +7.79% | $10.52B | 44.5 | 30.8 | 13.9 | +20.4% |
| Synopsys | $411.74 | +2.46% | $76.95B | 70.3 | 24.4 | 8.2 | +42.4% |
| Cadence Design Systems | $303.14 | +2.79% | $81.21B | 58.6 | 35.4 | 13.9 | +24.2% |
| Monolithic Power Systems | $1,374.92 | +7.61% | $62.77B | 78.3 | 42.7 | 19.2 | +47.6% |
| Texas Instruments | $270.35 | −0.19% | $247.37B | 41.2 | 28.4 | 12.7 | +22.8% |
| Median | 64.4 | 31.9 | 13.3 | +33.3% |