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, Q4 2024
Institutional positions in Rambus Inc as of Dec 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
- 395
- +27 vs. Q3 2024
- Shares held
- 95.1M
- +3.12M (+3.4%) vs. Q3 2024
- Total value
- $5.03B
- +$1.14B (+29.4%) vs. Q3 2024
- New holders
- 78
- 121 more added
- Sold out
- 51
- 153 more reduced
8 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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, Q4 2024
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Twinbeech Capital LP | 0 | $0 | 0.00% | −132,924−100.0% | Sold out |
| Twin Tree Management, LP | 0 | $0 | 0.00% | −90,245−100.0% | Sold out |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0 | $0 | 0.00% | −73,302−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −69,618−100.0% | Sold out |
| Scotia Capital Inc. | 0 | $0 | 0.00% | −52,451−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −43,000−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −40,284−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −33,600−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −29,659−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −27,881−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −23,000−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −18,963−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −17,656−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −16,039−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −13,078−100.0% | Sold out |
| Keebeck Alpha, LP | 0 | $0 | 0.00% | −10,892−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −10,878−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −10,788−100.0% | Sold out |
| Ethic Inc. | 0 | $0 | 0.00% | −7,361−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −10,382−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −9,351−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −8,814−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −8,623−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −8,367−100.0% | Sold out |
| Deerfield Management Company, L.P. (Series C) | 0 | $0 | 0.00% | −8,230−100.0% | Sold out |
| Ellevest, Inc. | 0 | $0 | 0.00% | −7,655−100.0% | Sold out |
| nVerses Capital, LLC | 0 | $0 | 0.00% | −7,200−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −6,404−100.0% | Sold out |
| ISAM Funds (UK) Ltd | 0 | $0 | 0.00% | −5,890−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −5,783−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −5,453−100.0% | Sold out |
| Prosperity Wealth Management, Inc. | 0 | $0 | 0.00% | −5,225−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −4,873−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −4,450−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −3,100−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −2,477−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −1,319−100.0% | Sold out |
| Whittier Trust Co of Nevada Inc | 0 | $0 | 0.00% | −322−100.0% | Sold out |
| CIBC Private Wealth Group, LLC | 0 | $0 | 0.00% | −175−100.0% | Sold out |
| Brown Brothers Harriman & Co | 0 | $0 | 0.00% | −152−100.0% | Sold out |
| HM Payson & Co | 0 | $0 | 0.00% | −72−100.0% | Sold out |
| Capital Performance Advisors LLP | 0 | $0 | 0.00% | −58−100.0% | Sold out |
| TSFG, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| AdvisorNet Financial, Inc | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Claris Advisors, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Avion Wealth | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Eagle Asset Management Inc | – | – | – | – | Not filed |
| Scout Investments, Inc. | – | – | – | – | Not filed |
| PEAK6 Investments LLC | – | – | – | – | Not filed |
| B. Metzler seel. Sohn & Co. Holding AG | – | – | – | – | Not filed |
| Chartwell Investment Partners, LLC | – | – | – | – | Not filed |
| Raymond James & Associates | – | – | – | – | Not filed |
| ClariVest Asset Management LLC | – | – | – | – | Not filed |
| Planning Capital Management Corp | – | – | – | – | Not filed |