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