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 |
|---|---|---|---|---|---|
| Lido Advisors, LLC | 3,087 | $210.7K | 0.00% | +3,087 | New |
| CIBC Asset Management Inc | 3,177 | $216.8K | 0.00% | +3,177 | New |
| Cerity Partners LLC | 3,181 | $217.1K | 0.00% | +3,181 | New |
| Keystone Investors Pte Ltd | 3,216 | $219.5K | 0.02% | +3,216 | New |
| Journey Strategic Wealth LLC | 3,231 | $220.5K | 0.01% | +3,231 | New |
| New Insight Wealth Advisors | 3,236 | $220.9K | 0.15% | +3,236 | New |
| Redwood Wealth Management Group, LLC | 3,328 | $227.1K | 0.25% | −2,235−40.2% | Reduced |
| Cresset Asset Management, LLC | 3,383 | $230.9K | 0.00% | −258−7.1% | Reduced |
| Great Valley Advisor Group, Inc. | 3,400 | $232.1K | 0.01% | +3,400 | New |
| Kapitalo Investimentos Ltda | 3,400 | $232.1K | 0.05% | +3,400 | New |
| Schechter Investment Advisors, LLC | 3,405 | $232.4K | 0.02% | +3,405 | New |
| United Capital Financial Advisers, LLC | 3,436 | $234.5K | 0.00% | +3,436 | New |
| HHM Wealth Advisors, LLC | 3,500 | $238.9K | 0.04% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 3,561 | $243.0K | 0.01% | −1,814−33.7% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 3,596 | $245.4K | 0.00% | +3,596 | New |
| DRW Securities, LLC | 3,630 | $247.7K | 0.01% | +3,630 | New |
| Quadrant Capital Group LLC | 3,645 | $248.8K | 0.02% | +145+4.1% | Added |
| The PNC Financial Services Group, Inc. | 3,794 | $258.9K | 0.00% | −3,583−48.6% | Reduced |
| Brinker Capital Investments, LLC | 3,921 | $261.1K | 0.00% | −604−13.3% | Reduced |
| Orion Portfolio Solutions, LLC | 3,921 | $261.1K | 0.00% | −604−13.3% | Reduced |
| Allspring Global Investments Holdings, LLC | 3,947 | $269.4K | 0.00% | −9,560−70.8% | Reduced |
| NJ State Employees Deferred Compensation Plan | 4,000 | $273.0K | 0.04% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 4,085 | $278.8K | 0.00% | +4,085 | New |
| Ewa, LLC | 4,083 | $281.1K | 0.14% | +94+2.4% | Added |
| SG Americas Securities, LLC | 4,157 | $284.0K | 0.00% | +1,199+40.5% | Added |
| Saturna Capital CORP | 4,167 | $284.4K | 0.00% | +4,167 | New |
| Pinnacle Wealth Planning Services, Inc. | 4,270 | $291.4K | 0.05% | −71−1.6% | Reduced |
| Associated Banc-Corp | 4,300 | $293.5K | 0.01% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 4,364 | $297.8K | 0.00% | −3,728−46.1% | Reduced |
| Forum Financial Management, LP | 4,416 | $301.4K | 0.01% | +4,416 | New |
| HSBC Holdings PLC | 4,434 | $302.6K | 0.00% | −8,076−64.6% | Reduced |
| Blair William & Co | 4,479 | $305.7K | 0.00% | +15+0.3% | Added |
| Shell Asset Management Co | 4,548 | $310.0K | 0.01% | −1,364−23.1% | Reduced |
| Coldstream Capital Management Inc | 4,632 | $316.1K | 0.01% | +173+3.9% | Added |
| Qsemble Capital Management, LP | 4,633 | $316.2K | 0.08% | +4,633 | New |
| Shelton Capital Management | 4,636 | $316.4K | 0.01% | −694−13.0% | Reduced |
| Advisors Asset Management, Inc. | 4,643 | $316.9K | 0.01% | +2,575+124.5% | Added |
| Cipher Capital LP | 4,671 | $318.8K | 0.10% | +4,671 | New |
| Nisa Investment Advisors, LLC | 4,842 | $330.5K | 0.00% | 00.0% | Unchanged |
| Harvest Fund Management Co., Ltd | 5,132 | $335.0K | 0.05% | +5,132 | New |
| Buckingham Strategic Partners | 4,916 | $335.5K | 0.02% | −112−2.2% | Reduced |
| Rockland Trust Co | 4,996 | $341.0K | 0.02% | 00.0% | Unchanged |
| Shay Capital LLC | 5,000 | $341.3K | 0.13% | −10,000−66.7% | Reduced |
| Public Employees Retirement System of Ohio | 5,145 | $351.1K | 0.00% | −20.0% | Reduced |
| Guidance Capital, Inc | 5,513 | $359.7K | 0.14% | +362+7.0% | Added |
| CWM, LLC | 5,333 | $364.0K | 0.00% | −1,699−24.2% | Reduced |
| Quantinno Capital Management LP | 5,344 | $365.0K | 0.01% | −10.0% | Reduced |
| Symmetry Peak Management LLC | 5,500 | $375.4K | 1.46% | +5,500 | New |
| Ellevest, Inc. | 5,564 | $379.7K | 0.03% | +5,564 | New |
| O'Shaughnessy Asset Management, LLC | 5,714 | $390.0K | 0.01% | −1,510−20.9% | Reduced |
| Legato Capital Management LLC | 5,865 | $400.3K | 0.05% | +5,865 | New |
| MML Investors Services, LLC | 6,002 | $410.0K | 0.00% | −2,049−25.5% | Reduced |
| Verition Fund Management LLC | 6,021 | $410.9K | 0.00% | +1,924+47.0% | Added |
| Moors & Cabot, Inc. | 6,100 | $416.3K | 0.03% | −450−6.9% | Reduced |
| Empowered Funds, LLC | 6,117 | $417.5K | 0.01% | −52,255−89.5% | Reduced |
| Metropolitan Life Insurance Co | 6,188 | $422.3K | 0.02% | −204−3.2% | Reduced |
| Syon Capital LLC | 6,356 | $433.8K | 0.04% | −198−3.0% | Reduced |
| Calton & Associates, Inc. | 6,402 | $436.9K | 0.18% | +6,402 | New |
| Commonwealth Equity Services, LLC | 6,453 | $440.0K | 0.00% | +729+12.7% | Added |
| Hennion & Walsh Asset Management, Inc. | 6,457 | $440.7K | 0.03% | −100−1.5% | Reduced |
| Sequoia Financial Advisors, LLC | 6,471 | $441.6K | 0.01% | −678−9.5% | Reduced |
| National Asset Management, Inc. | 6,639 | $453.1K | 0.01% | −2,103−24.1% | Reduced |
| New York Life Investment Management LLC | 6,738 | $459.9K | 0.00% | −197−2.8% | Reduced |
| Synovus Financial Corp | 6,996 | $477.5K | 0.01% | +861+14.0% | Added |
| Private Advisor Group, LLC | 7,171 | $489.4K | 0.00% | +7,171 | New |
| LMR Partners LLP | 7,200 | $491.4K | 0.01% | +7,200 | New |
| Brevan Howard Capital Management LP | 7,296 | $498.0K | 0.05% | +7,296 | New |
| Harvest Investment Services, LLC | 7,302 | $498.3K | 0.23% | −23,309−76.1% | Reduced |
| XTX Topco Ltd | 7,504 | $512.1K | 0.11% | +7,504 | New |
| Crossmark Global Holdings, Inc. | 7,574 | $517.0K | 0.01% | −809−9.7% | Reduced |
| Mackenzie Financial Corp | 7,629 | $520.7K | 0.00% | 00.0% | Unchanged |
| Ethic Inc. | 7,654 | $522.4K | 0.02% | +7,654 | New |
| Level Four Advisory Services, LLC | 7,717 | $526.7K | 0.03% | +7,717 | New |
| Fox Run Management, L.L.C. | 8,147 | $556.0K | 0.14% | +8,147 | New |
| Group One Trading, L.P. | 8,148 | $556.1K | 0.02% | +8,148 | New |
| Contravisory Investment Management, Inc. | 8,459 | $577.3K | 0.14% | +59+0.7% | Added |
| Shelton Wealth Management, LLC | 8,498 | $580.0K | 0.41% | +8,498 | New |
| Inspire Advisors, LLC | 8,598 | $586.8K | 0.09% | +8,598 | New |
| Truvestments Capital LLC | 8,624 | $588.6K | 0.27% | −1,046−10.8% | Reduced |
| Great Lakes Advisors, LLC | 8,655 | $590.7K | 0.01% | −307−3.4% | Reduced |
| Nebula Research & Development LLC | 8,831 | $602.7K | 0.18% | +8,831 | New |
| Securian Asset Management, Inc | 9,072 | $619.2K | 0.02% | +9,072 | New |
| Aviva PLC | 9,097 | $620.9K | 0.00% | −1,818−16.7% | Reduced |
| ARGA Investment Management, LP | 9,134 | $623.4K | 0.02% | −355−3.7% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 9,353 | $638.3K | 0.00% | −93−1.0% | Reduced |
| M&T Bank Corp | 9,366 | $639.2K | 0.00% | +9,366 | New |
| Evergreen Capital Management LLC | 9,436 | $644.0K | 0.03% | +781+9.0% | Added |
| Marex Group plc | 9,539 | $651.0K | 0.03% | +9,539 | New |
| Virtue Capital Management, LLC | – | $655.9K | 0.13% | – | – |
| Mercer Global Advisors Inc | 10,009 | $683.0K | 0.00% | −735−6.8% | Reduced |
| Illinois Municipal Retirement Fund | 10,104 | $690.0K | 0.01% | −61,813−86.0% | Reduced |
| Qube Research & Technologies Ltd | 10,133 | $691.6K | 0.00% | −19,742−66.1% | Reduced |
| First Hawaiian Bank | 10,198 | $696.0K | 0.02% | −4,610−31.1% | Reduced |
| TriaGen Wealth Management LLC | 10,513 | $717.5K | 0.34% | +10,513 | New |
| Toroso Investments, LLC | 10,607 | $723.9K | 0.02% | +2,132+25.2% | Added |
| Sawtooth Solutions, LLC | 10,768 | $734.9K | 0.02% | −7,910−42.3% | Reduced |
| Bleakley Financial Group, LLC | 10,768 | $734.9K | 0.02% | −7,910−42.3% | Reduced |
| Gotham Asset Management, LLC | 10,946 | $747.1K | 0.01% | −3,158−22.4% | Reduced |
| Cinctive Capital Management LP | 11,122 | $759.1K | 0.05% | +11,122 | New |
| Juncture Wealth Strategies, LLC | 11,137 | $760.1K | 0.35% | −5,379−32.6% | Reduced |