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.
13F holders, Q1 2021
Institutional positions in Rambus Inc as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 213
- No complete 13F data for Q4 2020
- Shares held
- 95.8M
- No complete 13F data for Q4 2020
- Total value
- $1.86B
- No complete 13F data for Q4 2020
Holders and value by quarter
Institutions reporting RMBS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 620 | $13.3B |
| Q1 2026 | 557 | $8.83B |
| Q4 2025 | 554 | $9.18B |
| Q3 2025 | 513 | $10.3B |
| Q2 2025 | 459 | $6.22B |
| Q1 2025 | 413 | $5.01B |
| Q4 2024 | 395 | $5.03B |
| Q3 2024 | 376 | $3.94B |
| Q2 2024 | 363 | $5.64B |
| Q1 2024 | 375 | $6.00B |
| Q4 2023 | 400 | $6.62B |
| Q3 2023 | 350 | $5.48B |
| Q2 2023 | 393 | $6.14B |
| Q1 2023 | 337 | $4.81B |
| Q4 2022 | 303 | $3.27B |
| Q3 2022 | 241 | $2.38B |
| Q2 2022 | 253 | $2.07B |
| Q1 2022 | 276 | $2.98B |
| Q4 2021 | 258 | $2.80B |
| Q3 2021 | 236 | $2.07B |
| Q2 2021 | 219 | $2.30B |
| Q1 2021 | 213 | $1.86B |
Institutions, Q1 2021
Shares, value and share of portfolio for each institution holding Rambus Inc.
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Northern Trust Corp | 1,701,901 | $33.1M | 0.01% | – | – |
| Geode Capital Management, LLC | 1,891,405 | $36.8M | 0.01% | – | – |
| Nuveen Asset Management, LLC | 2,149,886 | $41.8M | 0.01% | – | – |
| Wellington Management Group LLP | 2,270,791 | $44.1M | 0.01% | – | – |
| Silvercrest Asset Management Group LLC | 2,522,822 | $49.0M | 0.33% | – | – |
| Loomis Sayles & Co L P | 2,578,651 | $50.1M | 0.06% | – | – |
| Dimensional Fund Advisors LP | 3,926,723 | $76.3M | 0.03% | – | – |
| Neuberger Berman Group LLC | 4,218,745 | $81.5M | 0.08% | – | – |
| State Street Corp | 4,802,347 | $93.4M | 0.01% | – | – |
| Ameriprise Financial Inc | 5,084,823 | $98.9M | 0.03% | – | – |
| Lynrock Lake LP | 6,571,145 | $127.7M | 8.35% | – | – |
| Vanguard Group Inc | 11,984,155 | $233.0M | 0.01% | – | – |
| BlackRock Inc. | 18,381,200 | $357.3M | 0.01% | – | – |