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, Q3 2021
Institutional positions in Rambus Inc as of Sep 30, 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
- 236
- +20 vs. Q2 2021
- Shares held
- 93.4M
- −3.16M (−3.3%) vs. Q2 2021
- Total value
- $2.07B
- −$216.2M (−9.4%) vs. Q2 2021
- New holders
- 35
- 65 more added
- Sold out
- 15
- 83 more reduced
3 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Proequities, Inc. | 690 | $15.0K | 0.00% | +190+38.0% | Added |
| Cutler Group LP | 680 | $15.0K | 0.00% | +680 | New |
| Sageworth Trust Co | 620 | $14.0K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 443 | $10.0K | 0.00% | +8+1.8% | Added |
| Lountzis Asset Management, LLC | 450 | $9.99K | 0.01% | +450 | New |
| Riggs Asset Managment Co. Inc. | 400 | $9.00K | 0.00% | 00.0% | Unchanged |
| Centerpoint Advisors, LLC | 400 | $9.00K | 0.00% | 00.0% | Unchanged |
| Archer Investment Corp | 368 | $8.17K | 0.00% | +368 | New |
| Tradewinds Capital Management, LLC | 296 | $7.00K | 0.00% | 00.0% | Unchanged |
| Tradition Wealth Management, LLC | 300 | $7.00K | 0.00% | 00.0% | Unchanged |
| Wealth Quarterback LLC | 244 | $6.00K | 0.00% | −10−3.9% | Reduced |
| Massmutual Trust Co FSB | 266 | $6.00K | 0.00% | +177+198.9% | Added |
| Allworth Financial LP | 207 | $5.00K | 0.00% | −55−21.0% | Reduced |
| Meeder Asset Management Inc | 246 | $5.00K | 0.00% | +163+196.4% | Added |
| Total Clarity Wealth Management, Inc. | 238 | $5.00K | 0.00% | +238 | New |
| Eaton Vance Management | 4,673 | $4.00K | 0.00% | +502+12.0% | Added |
| O'Shaughnessy Asset Management, LLC | 159 | $4.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 163 | $4.00K | 0.00% | 00.0% | Unchanged |
| TCI Wealth Advisors, Inc. | 190 | $4.00K | 0.00% | +50+35.7% | Added |
| RPG Investment Advisory, LLC | 150 | $3.00K | 0.00% | 00.0% | Unchanged |
| Retirement Group, LLC | 155 | $3.00K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 156 | $3.00K | 0.00% | 00.0% | Unchanged |
| Parallax Volatility Advisers, L.P. | 132 | $3.00K | 0.00% | 00.0% | Unchanged |
| Tarbox Family Office, Inc. | 142 | $3.00K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 154 | $3.00K | 0.00% | +74+92.5% | Added |
| Fifth Third Bancorp | 118 | $3.00K | 0.00% | +118 | New |
| West Paces Advisors Inc. | 102 | $2.26K | 0.00% | 00.0% | Unchanged |
| Manchester Capital Management LLC | 81 | $2.00K | 0.00% | +81 | New |
| Valley National Advisers Inc | 50 | $1.00K | 0.00% | 00.0% | Unchanged |
| Cordasco Financial Network | 35 | $1.00K | 0.00% | 00.0% | Unchanged |
| Patriot Financial Group Insurance Agency, LLC | 32 | $1.00K | 0.00% | 00.0% | Unchanged |
| Trustcore Financial Services, LLC | 52 | $1.00K | 0.00% | 00.0% | Unchanged |
| ClariVest Asset Management LLC | 59 | $1.00K | 0.00% | +59 | New |
| Ellevest, Inc. | 24 | $1.00K | 0.00% | +24 | New |
| Huntington National Bank | 1 | $0 | 0.00% | 00.0% | Unchanged |
| Glassman Wealth Services | 8 | $0 | 0.00% | 00.0% | Unchanged |
| NEXT Financial Group, Inc | 0 | $0 | 0.00% | −1,917−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −165,359−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −155,868−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −147,708−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −133,773−100.0% | Sold out |
| Hodges Capital Management Inc. | 0 | $0 | 0.00% | −96,520−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −30,677−100.0% | Sold out |
| CWM Advisors, LLC | 0 | $0 | 0.00% | −21,120−100.0% | Sold out |
| Raymond James & Associates | 0 | $0 | 0.00% | −20,927−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −16,962−100.0% | Sold out |
| Tatro Capital, LLC | 0 | $0 | 0.00% | −10,669−100.0% | Sold out |
| First Citizens Bank & Trust Co | 0 | $0 | 0.00% | −8,448−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −5,991−100.0% | Sold out |
| Pinz Capital Management, LP | 0 | $0 | 0.00% | −5,200−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −431−100.0% | Sold out |
| black-and-white Capital LP | – | – | – | – | Not filed |
| Wexford Capital LP | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |