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, Q1 2024
Institutional positions in Rambus Inc as of Mar 31, 2024. 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
- 375
- −21 vs. Q4 2023
- Shares held
- 97.3M
- +747.6K (+0.8%) vs. Q4 2023
- Total value
- $6.00B
- −$592.3M (−9.0%) vs. Q4 2023
- New holders
- 51
- 153 more added
- Sold out
- 72
- 135 more reduced
4 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Profund Advisors LLC | 13,156 | $813.2K | 0.03% | +1,884+16.7% | Added |
| Federated Hermes, Inc. | 12,349 | $763.3K | 0.00% | +160+1.3% | Added |
| Meritage Portfolio Management | 12,170 | $752.0K | 0.05% | −1,120−8.4% | Reduced |
| Cinctive Capital Management LP | 12,030 | $743.6K | 0.04% | +908+8.2% | Added |
| Public Employees Retirement Association of Colorado | 11,875 | $734.0K | 0.00% | −1,095−8.4% | Reduced |
| Jefferies Financial Group Inc. | 11,682 | $722.1K | 0.01% | +11,682 | New |
| Mercer Global Advisors Inc | 10,186 | $722.0K | 0.00% | +177+1.8% | Added |
| State of Alaska, Department of Revenue | 11,665 | $721.0K | 0.01% | +55+0.5% | Added |
| Millennium Management LLC | 11,654 | $720.3K | 0.00% | −1,842,315−99.4% | Reduced |
| Fox Run Management, L.L.C. | 11,476 | $709.3K | 0.15% | +3,329+40.9% | Added |
| US Bancorp | 11,276 | $697.0K | 0.00% | −2,679−19.2% | Reduced |
| Northwestern Mutual Wealth Management Co | 11,102 | $686.2K | 0.00% | −543−4.7% | Reduced |
| Bleakley Financial Group, LLC | 10,997 | $679.7K | 0.02% | +229+2.1% | Added |
| Simplicity Wealth,LLC | 10,997 | $679.7K | 0.02% | +10,997 | New |
| Mariner, LLC | 10,995 | $679.6K | 0.00% | −1,583−12.6% | Reduced |
| Shelton Wealth Management, LLC | 10,969 | $678.0K | 0.43% | +2,471+29.1% | Added |
| Nissay Asset Management Corp | 10,902 | $673.9K | 0.00% | +10,902 | New |
| Aviva PLC | 10,365 | $640.7K | 0.00% | +1,268+13.9% | Added |
| IMC-Chicago, LLC | 10,342 | $639.2K | 0.02% | +10,342 | New |
| Illinois Municipal Retirement Fund | 10,104 | $625.0K | 0.01% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 10,000 | $618.1K | 0.02% | −3,000−23.1% | Reduced |
| First Hawaiian Bank | 9,752 | $602.8K | 0.02% | −446−4.4% | Reduced |
| Lisanti Capital Growth, LLC | 9,175 | $567.1K | 0.14% | −55,415−85.8% | Reduced |
| Tower Research Capital LLC (TRC) | 9,159 | $566.1K | 0.01% | −18,264−66.6% | Reduced |
| Evergreen Capital Management LLC | 9,133 | $564.5K | 0.02% | −303−3.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 9,069 | $560.6K | 0.00% | +5,122+129.8% | Added |
| Securian Asset Management, Inc | 8,817 | $545.0K | 0.02% | −255−2.8% | Reduced |
| Nomura Holdings Inc | 8,759 | $541.4K | 0.00% | +8,759 | New |
| Level Four Advisory Services, LLC | 7,881 | $537.9K | 0.03% | +164+2.1% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 8,264 | $510.8K | 0.00% | −1,089−11.6% | Reduced |
| Two Sigma Securities, LLC | 8,234 | $508.9K | 0.02% | +4,673+131.2% | Added |
| Global X Japan Co., Ltd. | 8,220 | $508.1K | 0.11% | +5,465+198.4% | Added |
| M&T Bank Corp | 8,208 | $507.3K | 0.00% | −1,158−12.4% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 8,134 | $503.0K | 0.00% | −3,853−32.1% | Reduced |
| Great Lakes Advisors, LLC | 7,971 | $492.7K | 0.00% | −684−7.9% | Reduced |
| HSBC Holdings PLC | 7,935 | $490.3K | 0.00% | +3,501+79.0% | Added |
| National Asset Management, Inc. | 8,742 | $487.7K | 0.01% | +2,103+31.7% | Added |
| Meeder Asset Management Inc | 7,843 | $484.8K | 0.03% | +7,843 | New |
| Eqis Capital Management, Inc. | 7,817 | $483.2K | 0.04% | +7,817 | New |
| Mackenzie Financial Corp | 7,629 | $471.5K | 0.00% | 00.0% | Unchanged |
| Contravisory Investment Management, Inc. | 7,561 | $467.3K | 0.10% | −898−10.6% | Reduced |
| Advisors Asset Management, Inc. | 7,524 | $465.1K | 0.01% | +2,881+62.1% | Added |
| Shay Capital LLC | 7,500 | $463.6K | 0.14% | +2,500+50.0% | Added |
| Crossmark Global Holdings, Inc. | 7,430 | $459.0K | 0.01% | −144−1.9% | Reduced |
| Ethic Inc. | 7,361 | $455.0K | 0.01% | −293−3.8% | Reduced |
| Saturna Capital CORP | 6,967 | $430.6K | 0.01% | +2,800+67.2% | Added |
| Synovus Financial Corp | 6,964 | $430.5K | 0.01% | −32−0.5% | Reduced |
| Private Advisor Group, LLC | 6,945 | $429.3K | 0.00% | −226−3.2% | Reduced |
| MML Investors Services, LLC | 6,453 | $399.0K | 0.00% | +451+7.5% | Added |
| Hennion & Walsh Asset Management, Inc. | 6,417 | $396.6K | 0.02% | −40−0.6% | Reduced |
| Greenwood Capital Associates LLC | 6,405 | $395.9K | 0.05% | +6,405 | New |
| Ellevest, Inc. | 6,258 | $386.8K | 0.02% | +694+12.5% | Added |
| The PNC Financial Services Group, Inc. | 6,238 | $385.6K | 0.00% | +2,444+64.4% | Added |
| Seven Eight Capital, LP | 6,131 | $379.0K | 0.04% | −10,868−63.9% | Reduced |
| Navellier & Associates Inc | 5,991 | $370.3K | 0.05% | −13,970−70.0% | Reduced |
| Sequoia Financial Advisors, LLC | 5,978 | $369.5K | 0.00% | −493−7.6% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 5,950 | $367.8K | 0.00% | −144,373−96.0% | Reduced |
| Quantinno Capital Management LP | 5,746 | $355.0K | 0.01% | +402+7.5% | Added |
| Metropolitan Life Insurance Co | 5,659 | $349.8K | 0.02% | −529−8.5% | Reduced |
| Verition Fund Management LLC | 5,537 | $342.2K | 0.00% | −484−8.0% | Reduced |
| Public Employees Retirement System of Ohio | 5,106 | $315.6K | 0.00% | −39−0.8% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 5,019 | $310.2K | 0.00% | +1,423+39.6% | Added |
| Rockland Trust Co | 4,996 | $308.8K | 0.02% | 00.0% | Unchanged |
| CWM, LLC | 4,913 | $304.0K | 0.00% | −420−7.9% | Reduced |
| Cynosure Management, LLC | 4,785 | $295.8K | 0.05% | +4,785 | New |
| Shelton Capital Management | 4,737 | $292.8K | 0.01% | +101+2.2% | Added |
| Cipher Capital LP | 4,680 | $289.3K | 0.13% | +9+0.2% | Added |
| Coldstream Capital Management Inc | 4,620 | $285.6K | 0.01% | −12−0.3% | Reduced |
| Teza Capital Management LLC | 4,536 | $280.4K | 0.04% | +4,536 | New |
| Nisa Investment Advisors, LLC | 4,500 | $278.1K | 0.00% | −342−7.1% | Reduced |
| TFB Advisors LLC | 5,262 | $277.6K | 0.10% | +5,262 | New |
| O'Shaughnessy Asset Management, LLC | 4,416 | $273.0K | 0.00% | −1,298−22.7% | Reduced |
| Forum Financial Management, LP | 4,416 | $273.0K | 0.00% | 00.0% | Unchanged |
| Blair William & Co | 4,415 | $272.9K | 0.00% | −64−1.4% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 4,284 | $264.8K | 0.00% | −80−1.8% | Reduced |
| Buckingham Strategic Partners | 4,260 | $263.3K | 0.01% | −656−13.3% | Reduced |
| Pinnacle Wealth Planning Services, Inc. | 4,230 | $261.5K | 0.04% | −40−0.9% | Reduced |
| Marex Group plc | 4,157 | $256.9K | 0.01% | −5,382−56.4% | Reduced |
| NJ State Employees Deferred Compensation Plan | 4,000 | $247.2K | 0.03% | 00.0% | Unchanged |
| Shell Asset Management Co | 4,125 | $242.0K | 0.01% | −423−9.3% | Reduced |
| Gotham Asset Management, LLC | 3,854 | $238.2K | 0.00% | −7,092−64.8% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 3,851 | $238.0K | 0.00% | −234−5.7% | Reduced |
| Stephens Inc | 3,824 | $236.4K | 0.00% | +3,631+1,881.3% | Added |
| Brinker Capital Investments, LLC | 3,677 | $227.3K | 0.00% | −244−6.2% | Reduced |
| Orion Portfolio Solutions, LLC | 3,677 | $227.3K | 0.00% | −244−6.2% | Reduced |
| Rakuten Investment Management, Inc. | 3,517 | $217.4K | 0.00% | +3,517 | New |
| HHM Wealth Advisors, LLC | 3,500 | $216.3K | 0.04% | 00.0% | Unchanged |
| Schechter Investment Advisors, LLC | 3,448 | $213.1K | 0.02% | +43+1.3% | Added |
| Lido Advisors, LLC | 3,423 | $211.6K | 0.00% | +336+10.9% | Added |
| Cresset Asset Management, LLC | 3,378 | $208.8K | 0.00% | −5−0.1% | Reduced |
| New Insight Wealth Advisors | 3,236 | $200.0K | 0.12% | 00.0% | Unchanged |
| MeadowBrook Investment Advisors LLC | 3,175 | $196.2K | 0.18% | +850+36.6% | Added |
| Quadrant Capital Group LLC | 3,021 | $186.7K | 0.01% | −624−17.1% | Reduced |
| Covestor Ltd | 2,989 | $185.0K | 0.12% | +757+33.9% | Added |
| Harbor Capital Advisors, Inc. | 2,872 | $178.0K | 0.02% | +2,872 | New |
| Cullen/Frost Bankers, Inc. | 2,695 | $166.6K | 0.00% | +84+3.2% | Added |
| KBC Group NV | 2,251 | $139.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 2,108 | $130.0K | 0.00% | +2,108 | New |
| Northwest Capital Management Inc | 2,000 | $123.6K | 0.04% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 1,460 | $90.2K | 0.01% | −1−0.1% | Reduced |