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 |
|---|---|---|---|---|---|
| Balyasny Asset Management LLC | 3,024 | $206.4K | 0.00% | −1,863−38.1% | Reduced |
| Boothbay Fund Management, LLC | 2,978 | $203.2K | 0.01% | +2,978 | New |
| AE Wealth Management LLC | 2,828 | $201.6K | 0.00% | +2,828 | New |
| Fort, L.P. | 2,943 | $200.9K | 0.50% | −2,219−43.0% | Reduced |
| Veriti Management LLC | 2,931 | $200.0K | 0.02% | −2,807−48.9% | Reduced |
| FNY Investment Advisers, LLC | 2,900 | $197.0K | 0.22% | +2,900 | New |
| Global X Japan Co., Ltd. | 2,755 | $188.0K | 0.11% | +2,755 | New |
| Leonteq Securities AG | 2,627 | $179.3K | 0.02% | +1,282+95.3% | Added |
| Cullen/Frost Bankers, Inc. | 2,611 | $178.2K | 0.00% | 00.0% | Unchanged |
| MeadowBrook Investment Advisors LLC | 2,325 | $158.7K | 0.15% | +2,325 | New |
| KBC Group NV | 2,251 | $154.0K | 0.00% | −105−4.5% | Reduced |
| Covestor Ltd | 2,232 | $152.0K | 0.10% | +777+53.4% | Added |
| Northwest Capital Management Inc | 2,000 | $136.5K | 0.05% | 00.0% | Unchanged |
| Parallax Volatility Advisers, L.P. | 1,781 | $121.6K | 0.00% | +1,781 | New |
| Archer Investment Corp | 1,780 | $121.5K | 0.04% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 1,461 | $99.7K | 0.01% | +129+9.7% | Added |
| Exchange Traded Concepts, LLC | 1,431 | $97.7K | 0.00% | +28+2.0% | Added |
| Clearstead Advisors, LLC | 1,315 | $89.7K | 0.00% | 00.0% | Unchanged |
| NBC Securities, Inc. | 1,293 | $88.0K | 0.01% | 00.0% | Unchanged |
| Migdal Insurance & Financial Holdings Ltd. | 1,250 | $86.0K | 0.00% | −426−25.4% | Reduced |
| Householder Group Estate & Retirement Specialist, LLC | 1,240 | $84.0K | 0.03% | −351−22.1% | Reduced |
| IFP Advisors, Inc | 1,200 | $81.9K | 0.00% | −2,587−68.3% | Reduced |
| Credit Agricole S A | 1,175 | $80.2K | 0.00% | +1,175 | New |
| Spire Wealth Management | 958 | $70.1K | 0.00% | −229−19.3% | Reduced |
| Geneos Wealth Management Inc. | 1,000 | $68.3K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 959 | $65.7K | 0.02% | +959 | New |
| Signaturefd, LLC | 923 | $63.0K | 0.00% | −11−1.2% | Reduced |
| Versant Capital Management, Inc | 737 | $50.3K | 0.01% | +5+0.7% | Added |
| Orion Capital Management LLC | 703 | $48.0K | 0.03% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 628 | $42.9K | 0.00% | +45+7.7% | Added |
| Maryland Capital Advisors Inc. | 575 | $39.2K | 0.03% | 00.0% | Unchanged |
| Proequities, Inc. | 540 | $36.9K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 504 | $34.4K | 0.00% | +200+65.8% | Added |
| Bartlett & Co. Wealth Management LLC | 500 | $34.3K | 0.00% | 00.0% | Unchanged |
| Bartlett & Co. LLC | 500 | $34.0K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 458 | $31.3K | 0.00% | +81+21.5% | Added |
| PEAK6 Investments LLC | 424 | $28.9K | 0.00% | +424 | New |
| West Tower Group, LLC | 418 | $28.5K | 0.06% | +276+194.4% | Added |
| Riggs Asset Managment Co. Inc. | 400 | $27.3K | 0.01% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 369 | $25.2K | 0.00% | −198−34.9% | Reduced |
| Massmutual Trust Co FSB | 360 | $24.6K | 0.00% | −31−7.9% | Reduced |
| Ronald Blue Trust, Inc. | 447 | $24.0K | 0.00% | +224+100.4% | Added |
| Tradewinds Capital Management, LLC | 296 | $20.2K | 0.01% | 00.0% | Unchanged |
| Tradition Wealth Management, LLC | 300 | $20.0K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 300 | $20.0K | 0.00% | +78+35.1% | Added |
| Allworth Financial LP | 292 | $19.9K | 0.00% | −18−5.8% | Reduced |
| Psagot Value Holdings Ltd. / (Israel) | 284 | $19.0K | 0.01% | +26+10.1% | Added |
| SYSTM Wealth Solutions LLC | 228 | $15.6K | 0.00% | +228 | 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 |
| Planning Capital Management Corp | 208 | $14.2K | 0.01% | +208 | New |
| CarsonAllaria Wealth Management, Ltd. | 200 | $13.7K | 0.01% | 00.0% | Unchanged |
| Fairfield, Bush & Co. | 200 | $13.7K | 0.01% | +200 | New |
| Stephens Inc | 193 | $13.2K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 192 | $13.1K | 0.00% | +159+481.8% | Added |
| EverSource Wealth Advisors, LLC | 167 | $11.4K | 0.00% | +60+56.1% | Added |
| Ci Investments Inc. | 166 | $11.0K | 0.00% | +1+0.6% | Added |
| Principal Securities, Inc. | 158 | $10.8K | 0.00% | +158 | New |
| Coppell Advisory Solutions LLC | 147 | $10.0K | 0.00% | −1,232−89.3% | Reduced |
| Turtle Creek Wealth Advisors, LLC | 146 | $9.96K | 0.00% | +146 | New |
| Key Financial Inc | 137 | $9.35K | 0.00% | 00.0% | Unchanged |
| Private Wealth Management Group, LLC | 125 | $8.53K | 0.00% | +125 | New |
| TD Private Client Wealth LLC | 123 | $8.39K | 0.00% | −77−38.5% | Reduced |
| JFS Wealth Advisors, LLC | 121 | $8.26K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 114 | $7.78K | 0.00% | +14+14.0% | Added |
| nVerses Capital, LLC | – | $6.83K | 0.02% | – | New |
| Bokf, NA | 95 | $6.48K | 0.00% | +95 | New |
| LGT Financial Advisors LLC | 91 | $6.21K | 0.01% | 00.0% | Unchanged |
| Wetzel Investment Advisors, Inc. | 82 | $6.00K | 0.00% | +82 | New |
| Hillsdale Investment Management Inc. | 80 | $5.46K | 0.00% | 00.0% | Unchanged |
| RFP Financial Group LLC | 76 | $5.19K | 0.00% | +76 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 65 | $4.15K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 60 | $4.09K | 0.00% | −15−20.0% | Reduced |
| Valley National Advisers Inc | 60 | $4.00K | 0.00% | +10+20.0% | Added |
| Larson Financial Group LLC | 58 | $3.96K | 0.00% | +58 | New |
| Glassman Wealth Services | 56 | $3.82K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 55 | $3.79K | 0.00% | 00.0% | Unchanged |
| Plante Moran Financial Advisors, LLC | 54 | $3.69K | 0.00% | +54 | New |
| WealthCollab, LLC | 53 | $3.62K | 0.00% | +53 | New |
| Bell Investment Advisors, Inc | 41 | $2.80K | 0.00% | −12−22.6% | Reduced |
| AdvisorNet Financial, Inc | 35 | $2.39K | 0.00% | +12+52.2% | Added |
| First Pacific Financial | 33 | $2.25K | 0.00% | +33 | New |
| 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 |
| SJS Investment Consulting Inc. | 23 | $1.57K | 0.00% | 00.0% | Unchanged |
| Able Wealth Management LLC | 22 | $1.50K | 0.00% | +22 | New |
| Huntington National Bank | 20 | $1.36K | 0.00% | −107−84.3% | Reduced |
| Kelly Financial Services LLC | 16 | $1.09K | 0.00% | −1−5.9% | Reduced |
| Avion Wealth | 9 | $1.00K | 0.00% | 00.0% | Unchanged |
| DiNuzzo Private Wealth, Inc. | 14 | $956 | 0.00% | +14 | New |
| Albion Financial Group | 13 | $888 | 0.00% | 00.0% | Unchanged |
| Abound Wealth Management | 13 | $888 | 0.00% | +5+62.5% | Added |
| Institutional & Family Asset Management, LLC | 12 | $819 | 0.00% | +1+9.1% | Added |
| EntryPoint Capital, LLC | 12 | $819 | 0.00% | +12 | New |
| Sound Income Strategies, LLC | 9 | $614 | 0.00% | +9 | New |
| Tfo-TDC, LLC | 4 | $273 | 0.00% | −3−42.9% | Reduced |
| Assetmark, Inc | 3 | $205 | 0.00% | 00.0% | Unchanged |
| Benjamin F. Edwards & Company, Inc. | 6 | $0 | 0.00% | +6 | New |
| Financial Management Professionals, Inc. | 3 | $0 | 0.00% | +3 | New |