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, Q4 2023
Institutional positions in Rambus Inc as of Dec 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
- 400
- +55 vs. Q3 2023
- Shares held
- 97.0M
- −967.1K (−1.0%) vs. Q3 2023
- Total value
- $6.62B
- +$1.14B (+20.9%) vs. Q3 2023
- New holders
- 93
- 118 more added
- Sold out
- 38
- 145 more reduced
5 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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 | 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, Q4 2023
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Benjamin F. Edwards & Company, Inc. | 6 | $0 | 0.00% | +6 | New |
| Financial Management Professionals, Inc. | 3 | $0 | 0.00% | +3 | New |
| Assetmark, Inc | 3 | $205 | 0.00% | 00.0% | Unchanged |
| Tfo-TDC, LLC | 4 | $273 | 0.00% | −3−42.9% | Reduced |
| Sound Income Strategies, LLC | 9 | $614 | 0.00% | +9 | New |
| Institutional & Family Asset Management, LLC | 12 | $819 | 0.00% | +1+9.1% | Added |
| EntryPoint Capital, LLC | 12 | $819 | 0.00% | +12 | New |
| Albion Financial Group | 13 | $888 | 0.00% | 00.0% | Unchanged |
| Abound Wealth Management | 13 | $888 | 0.00% | +5+62.5% | Added |
| DiNuzzo Private Wealth, Inc. | 14 | $956 | 0.00% | +14 | New |
| Avion Wealth | 9 | $1.00K | 0.00% | 00.0% | Unchanged |
| Kelly Financial Services LLC | 16 | $1.09K | 0.00% | −1−5.9% | Reduced |
| Huntington National Bank | 20 | $1.36K | 0.00% | −107−84.3% | Reduced |
| Able Wealth Management LLC | 22 | $1.50K | 0.00% | +22 | New |
| SJS Investment Consulting Inc. | 23 | $1.57K | 0.00% | 00.0% | Unchanged |
| First Horizon Advisors, Inc. | 25 | $1.71K | 0.00% | 00.0% | Unchanged |
| Westside Investment Management, Inc. | 25 | $1.71K | 0.00% | +25 | New |
| Arlington Trust Co LLC | 25 | $1.71K | 0.00% | +25 | New |
| First Pacific Financial | 33 | $2.25K | 0.00% | +33 | New |
| AdvisorNet Financial, Inc | 35 | $2.39K | 0.00% | +12+52.2% | Added |
| Bell Investment Advisors, Inc | 41 | $2.80K | 0.00% | −12−22.6% | Reduced |
| WealthCollab, LLC | 53 | $3.62K | 0.00% | +53 | New |
| Plante Moran Financial Advisors, LLC | 54 | $3.69K | 0.00% | +54 | New |
| Global Retirement Partners, LLC | 55 | $3.79K | 0.00% | 00.0% | Unchanged |
| Glassman Wealth Services | 56 | $3.82K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 58 | $3.96K | 0.00% | +58 | New |
| Valley National Advisers Inc | 60 | $4.00K | 0.00% | +10+20.0% | Added |
| Farmers & Merchants Investments Inc | 60 | $4.09K | 0.00% | −15−20.0% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 65 | $4.15K | 0.00% | 00.0% | Unchanged |
| RFP Financial Group LLC | 76 | $5.19K | 0.00% | +76 | New |
| Hillsdale Investment Management Inc. | 80 | $5.46K | 0.00% | 00.0% | Unchanged |
| Wetzel Investment Advisors, Inc. | 82 | $6.00K | 0.00% | +82 | New |
| LGT Financial Advisors LLC | 91 | $6.21K | 0.01% | 00.0% | Unchanged |
| Bokf, NA | 95 | $6.48K | 0.00% | +95 | New |
| nVerses Capital, LLC | – | $6.83K | 0.02% | – | New |
| Steward Partners Investment Advisory, LLC | 114 | $7.78K | 0.00% | +14+14.0% | Added |
| JFS Wealth Advisors, LLC | 121 | $8.26K | 0.00% | 00.0% | Unchanged |
| TD Private Client Wealth LLC | 123 | $8.39K | 0.00% | −77−38.5% | Reduced |
| Private Wealth Management Group, LLC | 125 | $8.53K | 0.00% | +125 | New |
| Key Financial Inc | 137 | $9.35K | 0.00% | 00.0% | Unchanged |
| Turtle Creek Wealth Advisors, LLC | 146 | $9.96K | 0.00% | +146 | New |
| Coppell Advisory Solutions LLC | 147 | $10.0K | 0.00% | −1,232−89.3% | Reduced |
| Principal Securities, Inc. | 158 | $10.8K | 0.00% | +158 | New |
| Ci Investments Inc. | 166 | $11.0K | 0.00% | +1+0.6% | Added |
| EverSource Wealth Advisors, LLC | 167 | $11.4K | 0.00% | +60+56.1% | Added |
| Farther Finance Advisors, LLC | 192 | $13.1K | 0.00% | +159+481.8% | Added |
| Stephens Inc | 193 | $13.2K | 0.00% | 00.0% | Unchanged |
| CarsonAllaria Wealth Management, Ltd. | 200 | $13.7K | 0.01% | 00.0% | Unchanged |
| Fairfield, Bush & Co. | 200 | $13.7K | 0.01% | +200 | New |
| Planning Capital Management Corp | 208 | $14.2K | 0.01% | +208 | New |
| Private Trust Co NA | 221 | $15.1K | 0.00% | +26+13.3% | Added |
| Advisory Services Network, LLC | 221 | $15.1K | 0.00% | +221 | New |
| SYSTM Wealth Solutions LLC | 228 | $15.6K | 0.00% | +228 | New |
| Psagot Value Holdings Ltd. / (Israel) | 284 | $19.0K | 0.01% | +26+10.1% | Added |
| Allworth Financial LP | 292 | $19.9K | 0.00% | −18−5.8% | Reduced |
| Tradition Wealth Management, LLC | 300 | $20.0K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 300 | $20.0K | 0.00% | +78+35.1% | Added |
| Tradewinds Capital Management, LLC | 296 | $20.2K | 0.01% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 447 | $24.0K | 0.00% | +224+100.4% | Added |
| Massmutual Trust Co FSB | 360 | $24.6K | 0.00% | −31−7.9% | Reduced |
| Parkside Financial Bank & Trust | 369 | $25.2K | 0.00% | −198−34.9% | Reduced |
| Riggs Asset Managment Co. Inc. | 400 | $27.3K | 0.01% | 00.0% | Unchanged |
| West Tower Group, LLC | 418 | $28.5K | 0.06% | +276+194.4% | Added |
| PEAK6 Investments LLC | 424 | $28.9K | 0.00% | +424 | New |
| GWM Advisors LLC | 458 | $31.3K | 0.00% | +81+21.5% | Added |
| Bartlett & Co. LLC | 500 | $34.0K | 0.00% | 00.0% | Unchanged |
| Bartlett & Co. Wealth Management LLC | 500 | $34.3K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 504 | $34.4K | 0.00% | +200+65.8% | Added |
| Proequities, Inc. | 540 | $36.9K | 0.00% | 00.0% | Unchanged |
| Maryland Capital Advisors Inc. | 575 | $39.2K | 0.03% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 628 | $42.9K | 0.00% | +45+7.7% | Added |
| Orion Capital Management LLC | 703 | $48.0K | 0.03% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 737 | $50.3K | 0.01% | +5+0.7% | Added |
| Signaturefd, LLC | 923 | $63.0K | 0.00% | −11−1.2% | Reduced |
| GAMMA Investing LLC | 959 | $65.7K | 0.02% | +959 | New |
| Geneos Wealth Management Inc. | 1,000 | $68.3K | 0.00% | 00.0% | Unchanged |
| Spire Wealth Management | 958 | $70.1K | 0.00% | −229−19.3% | Reduced |
| Credit Agricole S A | 1,175 | $80.2K | 0.00% | +1,175 | New |
| IFP Advisors, Inc | 1,200 | $81.9K | 0.00% | −2,587−68.3% | Reduced |
| Householder Group Estate & Retirement Specialist, LLC | 1,240 | $84.0K | 0.03% | −351−22.1% | Reduced |
| Migdal Insurance & Financial Holdings Ltd. | 1,250 | $86.0K | 0.00% | −426−25.4% | Reduced |
| NBC Securities, Inc. | 1,293 | $88.0K | 0.01% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 1,315 | $89.7K | 0.00% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 1,431 | $97.7K | 0.00% | +28+2.0% | Added |
| Lindbrook Capital, LLC | 1,461 | $99.7K | 0.01% | +129+9.7% | Added |
| Archer Investment Corp | 1,780 | $121.5K | 0.04% | 00.0% | Unchanged |
| Parallax Volatility Advisers, L.P. | 1,781 | $121.6K | 0.00% | +1,781 | New |
| Northwest Capital Management Inc | 2,000 | $136.5K | 0.05% | 00.0% | Unchanged |
| Covestor Ltd | 2,232 | $152.0K | 0.10% | +777+53.4% | Added |
| KBC Group NV | 2,251 | $154.0K | 0.00% | −105−4.5% | Reduced |
| MeadowBrook Investment Advisors LLC | 2,325 | $158.7K | 0.15% | +2,325 | New |
| Cullen/Frost Bankers, Inc. | 2,611 | $178.2K | 0.00% | 00.0% | Unchanged |
| Leonteq Securities AG | 2,627 | $179.3K | 0.02% | +1,282+95.3% | Added |
| Global X Japan Co., Ltd. | 2,755 | $188.0K | 0.11% | +2,755 | New |
| FNY Investment Advisers, LLC | 2,900 | $197.0K | 0.22% | +2,900 | New |
| Veriti Management LLC | 2,931 | $200.0K | 0.02% | −2,807−48.9% | Reduced |
| Fort, L.P. | 2,943 | $200.9K | 0.50% | −2,219−43.0% | Reduced |
| AE Wealth Management LLC | 2,828 | $201.6K | 0.00% | +2,828 | New |
| Boothbay Fund Management, LLC | 2,978 | $203.2K | 0.01% | +2,978 | New |
| Balyasny Asset Management LLC | 3,024 | $206.4K | 0.00% | −1,863−38.1% | Reduced |