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 2024
Institutional positions in Rambus Inc as of Mar 31, 2024. 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
- 375
- −21 vs. Q4 2023
- Shares held
- 97.3M
- +747.6K (+0.8%) vs. Q4 2023
- Total value
- $6.00B
- −$592.3M (−9.0%) vs. Q4 2023
- New holders
- 51
- 153 more added
- Sold out
- 72
- 135 more reduced
4 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: new holders, sold out and not filed yet
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 2024
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| New York Life Investment Management LLC | 0 | $0 | 0.00% | −6,738−100.0% | Sold out |
| Calton & Associates, Inc. | 0 | $0 | 0.00% | −6,402−100.0% | Sold out |
| Syon Capital LLC | 0 | $0 | 0.00% | −6,356−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −6,117−100.0% | Sold out |
| Moors & Cabot, Inc. | 0 | $0 | 0.00% | −6,100−100.0% | Sold out |
| Legato Capital Management LLC | 0 | $0 | 0.00% | −5,865−100.0% | Sold out |
| Symmetry Peak Management LLC | 0 | $0 | 0.00% | −5,500−100.0% | Sold out |
| Guidance Capital, Inc | 0 | $0 | 0.00% | −5,513−100.0% | Sold out |
| Harvest Fund Management Co., Ltd | 0 | $0 | 0.00% | −5,132−100.0% | Sold out |
| Qsemble Capital Management, LP | 0 | $0 | 0.00% | −4,633−100.0% | Sold out |
| Associated Banc-Corp | 0 | $0 | 0.00% | −4,300−100.0% | Sold out |
| Ewa, LLC | 0 | $0 | 0.00% | −4,083−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −3,630−100.0% | Sold out |
| United Capital Financial Advisers, LLC | 0 | $0 | 0.00% | −3,436−100.0% | Sold out |
| Great Valley Advisor Group, Inc. | 0 | $0 | 0.00% | −3,400−100.0% | Sold out |
| Kapitalo Investimentos Ltda | 0 | $0 | 0.00% | −3,400−100.0% | Sold out |
| Redwood Wealth Management Group, LLC | 0 | $0 | 0.00% | −3,328−100.0% | Sold out |
| Journey Strategic Wealth LLC | 0 | $0 | 0.00% | −3,231−100.0% | Sold out |
| CIBC Asset Management Inc | 0 | $0 | 0.00% | −3,177−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −3,024−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −2,978−100.0% | Sold out |
| AE Wealth Management LLC | 0 | $0 | 0.00% | −2,828−100.0% | Sold out |
| Fort, L.P. | 0 | $0 | 0.00% | −2,943−100.0% | Sold out |
| Veriti Management LLC | 0 | $0 | 0.00% | −2,931−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −2,900−100.0% | Sold out |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −1,781−100.0% | Sold out |
| Archer Investment Corp | 0 | $0 | 0.00% | −1,780−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −1,431−100.0% | Sold out |
| Migdal Insurance & Financial Holdings Ltd. | 0 | $0 | 0.00% | −1,250−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −424−100.0% | Sold out |
| West Tower Group, LLC | 0 | $0 | 0.00% | −418−100.0% | Sold out |
| Parkside Financial Bank & Trust | 0 | $0 | 0.00% | −369−100.0% | Sold out |
| Tradition Wealth Management, LLC | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Psagot Value Holdings Ltd. / (Israel) | 0 | $0 | 0.00% | −284−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −221−100.0% | Sold out |
| Fairfield, Bush & Co. | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Turtle Creek Wealth Advisors, LLC | 0 | $0 | 0.00% | −146−100.0% | Sold out |
| Bokf, NA | 0 | $0 | 0.00% | −95−100.0% | Sold out |
| Wetzel Investment Advisors, Inc. | 0 | $0 | 0.00% | −82−100.0% | Sold out |
| Glassman Wealth Services | 0 | $0 | 0.00% | −56−100.0% | Sold out |
| AdvisorNet Financial, Inc | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Arlington Trust Co LLC | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Able Wealth Management LLC | 0 | $0 | 0.00% | −22−100.0% | Sold out |
| Abound Wealth Management | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Benjamin F. Edwards & Company, Inc. | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Financial Management Professionals, Inc. | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Putnam Investments LLC | – | – | – | – | Not filed |
| Sawtooth Solutions, LLC | – | – | – | – | Not filed |
| Bartlett & Co. LLC | – | – | – | – | Not filed |
| Coppell Advisory Solutions LLC | – | – | – | – | Not filed |