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; 621 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 2023
Institutional positions in Rambus Inc as of Mar 31, 2023. 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
- 337
- +36 vs. Q4 2022
- Shares held
- 93.7M
- +2.10M (+2.3%) vs. Q4 2022
- Total value
- $4.81B
- +$1.55B (+47.4%) vs. Q4 2022
- New holders
- 71
- 91 more added
- Sold out
- 35
- 136 more reduced
2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 | 621 | $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 2023
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cutler Group LP | 470 | $24.0K | 0.00% | +470 | New |
| TD Private Client Wealth LLC | 444 | $22.8K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 421 | $21.6K | 0.01% | −33−7.3% | Reduced |
| Riggs Asset Managment Co. Inc. | 400 | $20.5K | 0.01% | 00.0% | Unchanged |
| Ameritas Advisory Services, LLC | 400 | $20.5K | 0.00% | +400 | New |
| Covestor Ltd | 304 | $16.0K | 0.01% | −1−0.3% | Reduced |
| Tradewinds Capital Management, LLC | 296 | $15.2K | 0.00% | 00.0% | Unchanged |
| Tradition Wealth Management, LLC | 300 | $15.0K | 0.00% | 00.0% | Unchanged |
| TCI Wealth Advisors, Inc. | 279 | $14.3K | 0.00% | +129+86.0% | Added |
| Massmutual Trust Co FSB | 273 | $14.0K | 0.00% | +165+152.8% | Added |
| Fifth Third Bancorp | 257 | $13.2K | 0.00% | +22+9.4% | Added |
| Allworth Financial LP | 242 | $12.4K | 0.00% | +200+476.2% | Added |
| Bessemer Group Inc | 220 | $11.0K | 0.00% | +220 | New |
| First Horizon Advisors, Inc. | 203 | $10.4K | 0.00% | +203 | New |
| Sageworth Trust Co | 143 | $7.33K | 0.00% | 00.0% | Unchanged |
| Sageworth Trust Co of South Dakota | 122 | $6.25K | 0.01% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 121 | $6.20K | 0.00% | −2−1.6% | Reduced |
| Ancora Advisors, LLC | 107 | $5.47K | 0.00% | +107 | New |
| Values First Advisors, Inc. | 104 | $5.34K | 0.00% | +104 | New |
| EverSource Wealth Advisors, LLC | 88 | $4.51K | 0.00% | −187−68.0% | Reduced |
| Farmers & Merchants Investments Inc | 84 | $4.31K | 0.00% | +8+10.5% | Added |
| Private Trust Co NA | 80 | $4.10K | 0.00% | +80 | New |
| Global Retirement Partners, LLC | 72 | $3.40K | 0.00% | 00.0% | Unchanged |
| Glassman Wealth Services | 56 | $2.87K | 0.00% | 00.0% | Unchanged |
| Horan Securities, Inc. | 52 | $2.67K | 0.00% | 00.0% | Unchanged |
| Schubert & Co | 49 | $2.51K | 0.00% | +1+2.1% | Added |
| Bell Investment Advisors, Inc | 41 | $2.10K | 0.00% | 00.0% | Unchanged |
| Valley National Advisers Inc | 50 | $2.00K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 32 | $1.64K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 31 | $1.59K | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 26 | $1.33K | 0.00% | +3+13.0% | Added |
| AdvisorNet Financial, Inc | 23 | $1.18K | 0.00% | +1+4.5% | Added |
| Ronald Blue Trust, Inc. | 22 | $1.00K | 0.00% | +22 | New |
| Disciplined Investments, LLC | 18 | $923 | 0.00% | 00.0% | Unchanged |
| Tfo-TDC, LLC | 4 | $205 | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 1 | $51 | 0.00% | 00.0% | Unchanged |
| Clear Street Markets LLC | 3 | $0 | 0.00% | +2+200.0% | Added |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −442,672−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −145,173−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −41,235−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −40,598−100.0% | Sold out |
| Gyon Technologies Capital Management, LP | 0 | $0 | 0.00% | −40,346−100.0% | Sold out |
| Discovery Capital Management, LLC | 0 | $0 | 0.00% | −34,850−100.0% | Sold out |
| Alpha DNA Investment Management LLC | 0 | $0 | 0.00% | −29,544−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −20,660−100.0% | Sold out |
| Mach-1 Financial Group, Inc. | 0 | $0 | 0.00% | −15,311−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −13,882−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −13,200−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −13,007−100.0% | Sold out |
| Kula Investments, LLC | 0 | $0 | 0.00% | −12,440−100.0% | Sold out |
| United Services Automobile Association | 0 | $0 | 0.00% | −12,126−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −9,541−100.0% | Sold out |
| Cornerstone Investment Partners, LLC | 0 | $0 | 0.00% | −9,305−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −9,049−100.0% | Sold out |
| Vista Wealth Management Group, LLC | 0 | $0 | 0.00% | −7,834−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −6,741−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −5,832−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −4,138−100.0% | Sold out |
| Sutton Wealth Advisors Inc. | 0 | $0 | 0.00% | −2,837−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −2,295−100.0% | Sold out |
| Coppell Advisory Solutions LLC | 0 | $0 | 0.00% | −1,379−100.0% | Sold out |
| Coppell Advisory Solutions Corp. | 0 | $0 | 0.00% | −1,379−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −1,263−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −856−100.0% | Sold out |
| One Wealth Advisors, LLC | 0 | $0 | 0.00% | −524−100.0% | Sold out |
| Centerpoint Advisors, LLC | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Macroview Investment Management LLC | 0 | $0 | 0.00% | −307−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −111−100.0% | Sold out |
| Money Concepts Capital Corp | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| NewSquare Capital LLC | 0 | $0 | 0.00% | −91−100.0% | Sold out |
| GW&K Investment Management, LLC | 0 | $0 | 0.00% | −76−100.0% | Sold out |
| Carolinas Wealth Consulting LLC | 0 | $0 | 0.00% | −34−100.0% | Sold out |
| Comerica Bank | – | – | – | – | Not filed |
| Trustcore Financial Services, LLC | – | – | – | – | Not filed |