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; 620 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 | 620 | $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 |
|---|---|---|---|---|---|
| Raymond James Financial Services Advisors, Inc. | 4,284 | $264.8K | 0.00% | −80−1.8% | Reduced |
| Blair William & Co | 4,415 | $272.9K | 0.00% | −64−1.4% | Reduced |
| 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 |
| TFB Advisors LLC | 5,262 | $277.6K | 0.10% | +5,262 | New |
| Nisa Investment Advisors, LLC | 4,500 | $278.1K | 0.00% | −342−7.1% | Reduced |
| Teza Capital Management LLC | 4,536 | $280.4K | 0.04% | +4,536 | New |
| Coldstream Capital Management Inc | 4,620 | $285.6K | 0.01% | −12−0.3% | Reduced |
| Cipher Capital LP | 4,680 | $289.3K | 0.13% | +9+0.2% | Added |
| Shelton Capital Management | 4,737 | $292.8K | 0.01% | +101+2.2% | Added |
| Cynosure Management, LLC | 4,785 | $295.8K | 0.05% | +4,785 | New |
| CWM, LLC | 4,913 | $304.0K | 0.00% | −420−7.9% | Reduced |
| Rockland Trust Co | 4,996 | $308.8K | 0.02% | 00.0% | Unchanged |
| Sumitomo Mitsui Trust Holdings, Inc. | 5,019 | $310.2K | 0.00% | +1,423+39.6% | Added |
| Public Employees Retirement System of Ohio | 5,106 | $315.6K | 0.00% | −39−0.8% | Reduced |
| Verition Fund Management LLC | 5,537 | $342.2K | 0.00% | −484−8.0% | Reduced |
| Metropolitan Life Insurance Co | 5,659 | $349.8K | 0.02% | −529−8.5% | Reduced |
| Quantinno Capital Management LP | 5,746 | $355.0K | 0.01% | +402+7.5% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 5,950 | $367.8K | 0.00% | −144,373−96.0% | Reduced |
| Sequoia Financial Advisors, LLC | 5,978 | $369.5K | 0.00% | −493−7.6% | Reduced |
| Navellier & Associates Inc | 5,991 | $370.3K | 0.05% | −13,970−70.0% | Reduced |
| Seven Eight Capital, LP | 6,131 | $379.0K | 0.04% | −10,868−63.9% | Reduced |
| The PNC Financial Services Group, Inc. | 6,238 | $385.6K | 0.00% | +2,444+64.4% | Added |
| Ellevest, Inc. | 6,258 | $386.8K | 0.02% | +694+12.5% | Added |
| Greenwood Capital Associates LLC | 6,405 | $395.9K | 0.05% | +6,405 | New |
| Hennion & Walsh Asset Management, Inc. | 6,417 | $396.6K | 0.02% | −40−0.6% | Reduced |
| MML Investors Services, LLC | 6,453 | $399.0K | 0.00% | +451+7.5% | Added |
| Private Advisor Group, LLC | 6,945 | $429.3K | 0.00% | −226−3.2% | Reduced |
| Synovus Financial Corp | 6,964 | $430.5K | 0.01% | −32−0.5% | Reduced |
| Saturna Capital CORP | 6,967 | $430.6K | 0.01% | +2,800+67.2% | Added |
| Ethic Inc. | 7,361 | $455.0K | 0.01% | −293−3.8% | Reduced |
| Crossmark Global Holdings, Inc. | 7,430 | $459.0K | 0.01% | −144−1.9% | Reduced |
| Shay Capital LLC | 7,500 | $463.6K | 0.14% | +2,500+50.0% | Added |
| Advisors Asset Management, Inc. | 7,524 | $465.1K | 0.01% | +2,881+62.1% | Added |
| Contravisory Investment Management, Inc. | 7,561 | $467.3K | 0.10% | −898−10.6% | Reduced |
| Mackenzie Financial Corp | 7,629 | $471.5K | 0.00% | 00.0% | Unchanged |
| Eqis Capital Management, Inc. | 7,817 | $483.2K | 0.04% | +7,817 | New |
| Meeder Asset Management Inc | 7,843 | $484.8K | 0.03% | +7,843 | New |
| National Asset Management, Inc. | 8,742 | $487.7K | 0.01% | +2,103+31.7% | Added |
| HSBC Holdings PLC | 7,935 | $490.3K | 0.00% | +3,501+79.0% | Added |
| Great Lakes Advisors, LLC | 7,971 | $492.7K | 0.00% | −684−7.9% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 8,134 | $503.0K | 0.00% | −3,853−32.1% | Reduced |
| M&T Bank Corp | 8,208 | $507.3K | 0.00% | −1,158−12.4% | Reduced |
| Global X Japan Co., Ltd. | 8,220 | $508.1K | 0.11% | +5,465+198.4% | Added |
| Two Sigma Securities, LLC | 8,234 | $508.9K | 0.02% | +4,673+131.2% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 8,264 | $510.8K | 0.00% | −1,089−11.6% | Reduced |
| Level Four Advisory Services, LLC | 7,881 | $537.9K | 0.03% | +164+2.1% | Added |
| Nomura Holdings Inc | 8,759 | $541.4K | 0.00% | +8,759 | New |
| Securian Asset Management, Inc | 8,817 | $545.0K | 0.02% | −255−2.8% | Reduced |
| Allspring Global Investments Holdings, LLC | 9,069 | $560.6K | 0.00% | +5,122+129.8% | Added |
| Evergreen Capital Management LLC | 9,133 | $564.5K | 0.02% | −303−3.2% | Reduced |
| Tower Research Capital LLC (TRC) | 9,159 | $566.1K | 0.01% | −18,264−66.6% | Reduced |
| Lisanti Capital Growth, LLC | 9,175 | $567.1K | 0.14% | −55,415−85.8% | Reduced |
| First Hawaiian Bank | 9,752 | $602.8K | 0.02% | −446−4.4% | Reduced |
| Aquatic Capital Management LLC | 10,000 | $618.1K | 0.02% | −3,000−23.1% | Reduced |
| Illinois Municipal Retirement Fund | 10,104 | $625.0K | 0.01% | 00.0% | Unchanged |
| IMC-Chicago, LLC | 10,342 | $639.2K | 0.02% | +10,342 | New |
| Aviva PLC | 10,365 | $640.7K | 0.00% | +1,268+13.9% | Added |
| Nissay Asset Management Corp | 10,902 | $673.9K | 0.00% | +10,902 | New |
| Shelton Wealth Management, LLC | 10,969 | $678.0K | 0.43% | +2,471+29.1% | Added |
| Mariner, LLC | 10,995 | $679.6K | 0.00% | −1,583−12.6% | 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 |
| Northwestern Mutual Wealth Management Co | 11,102 | $686.2K | 0.00% | −543−4.7% | Reduced |
| US Bancorp | 11,276 | $697.0K | 0.00% | −2,679−19.2% | Reduced |
| Fox Run Management, L.L.C. | 11,476 | $709.3K | 0.15% | +3,329+40.9% | Added |
| Millennium Management LLC | 11,654 | $720.3K | 0.00% | −1,842,315−99.4% | Reduced |
| State of Alaska, Department of Revenue | 11,665 | $721.0K | 0.01% | +55+0.5% | Added |
| Mercer Global Advisors Inc | 10,186 | $722.0K | 0.00% | +177+1.8% | Added |
| Jefferies Financial Group Inc. | 11,682 | $722.1K | 0.01% | +11,682 | New |
| Public Employees Retirement Association of Colorado | 11,875 | $734.0K | 0.00% | −1,095−8.4% | Reduced |
| Cinctive Capital Management LP | 12,030 | $743.6K | 0.04% | +908+8.2% | Added |
| Meritage Portfolio Management | 12,170 | $752.0K | 0.05% | −1,120−8.4% | Reduced |
| Federated Hermes, Inc. | 12,349 | $763.3K | 0.00% | +160+1.3% | Added |
| Profund Advisors LLC | 13,156 | $813.2K | 0.03% | +1,884+16.7% | Added |
| Chesapeake Capital Corp | 13,278 | $820.7K | 0.61% | −4,113−23.7% | Reduced |
| SG Americas Securities, LLC | 13,357 | $826.0K | 0.00% | +9,200+221.3% | Added |
| Cerity Partners LLC | 13,706 | $847.2K | 0.00% | +10,525+330.9% | Added |
| Pictet Asset Management Holding SA | 13,964 | $863.3K | 0.00% | +1,786+14.7% | Added |
| Truvestments Capital LLC | 14,105 | $871.8K | 0.34% | +5,481+63.6% | Added |
| Commonwealth Equity Services, LLC | 14,129 | $873.0K | 0.00% | +7,676+119.0% | Added |
| BNC Wealth Management, LLC | 14,346 | $886.7K | 0.38% | 00.0% | Unchanged |
| Schroder Investment Management Group | 14,823 | $916.2K | 0.00% | −178,998−92.4% | Reduced |
| Walleye Trading LLC | 14,982 | $926.0K | 0.02% | −36,715−71.0% | Reduced |
| BNP Paribas | 15,124 | $943.0K | 0.04% | +15,124 | New |
| Engineers Gate Manager LP | 15,288 | $945.0K | 0.02% | −42,017−73.3% | Reduced |
| Xponance, Inc. | 15,450 | $955.0K | 0.01% | −209−1.3% | Reduced |
| JustInvest LLC | 15,554 | $961.4K | 0.02% | +2,095+15.6% | Added |
| Whalen Wealth Management Inc. | 15,632 | $966.2K | 0.72% | +15,632 | New |
| Two Sigma Investments, LP | 15,833 | $978.6K | 0.00% | −8,067−33.8% | Reduced |
| ClariVest Asset Management LLC | 16,701 | $1.03M | 0.11% | +18+0.1% | Added |
| ExodusPoint Capital Management, LP | 16,921 | $1.05M | 0.01% | +16,921 | New |
| QRG Capital Management, Inc. | 18,218 | $1.13M | 0.01% | +131+0.7% | Added |
| Harvest Investment Services, LLC | 18,902 | $1.17M | 0.47% | +11,600+158.9% | Added |
| Keystone Investors Pte Ltd | 19,022 | $1.18M | 0.10% | +15,806+491.5% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 19,341 | $1.20M | 0.00% | −1,903−9.0% | Reduced |
| Yorktown Management & Research Co Inc | 19,500 | $1.21M | 1.15% | −5,100−20.7% | Reduced |
| Lombard Odier Asset Management (Switzerland) SA | 19,786 | $1.22M | 0.09% | +19,786 | New |
| MYDA Advisors LLC | 20,000 | $1.24M | 0.43% | +20,000 | New |
| Marshall Wace, LLP | 20,024 | $1.24M | 0.00% | +20,024 | New |