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, Q3 2023
Institutional positions in Rambus Inc as of Sep 30, 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
- 350
- −41 vs. Q2 2023
- Shares held
- 98.0M
- +2.29M (+2.4%) vs. Q2 2023
- Total value
- $5.48B
- −$656.3M (−10.7%) vs. Q2 2023
- New holders
- 40
- 153 more added
- Sold out
- 81
- 115 more reduced
2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rice Hall James & Associates, LLC | 82,091 | $4.58M | 0.29% | −907−1.1% | Reduced |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 80,700 | $4.50M | 2.42% | −2,568−3.1% | Reduced |
| Jackson Square Partners, LLC | 78,606 | $4.39M | 0.15% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 77,356 | $4.32M | 0.05% | +56,097+263.9% | Added |
| Concentric Capital Strategies, LP | 76,138 | $4.25M | 0.48% | +33,882+80.2% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 72,960 | $4.07M | 0.03% | −50,075−40.7% | Reduced |
| Illinois Municipal Retirement Fund | 71,917 | $4.01M | 0.07% | +71,917 | New |
| Manufacturers Life Insurance Company, The | 69,658 | $3.89M | 0.00% | +25,411+57.4% | Added |
| Deutsche Bank AG | 69,576 | $3.88M | 0.00% | +8,037+13.1% | Added |
| AQR Capital Management LLC | 69,376 | $3.87M | 0.01% | −61,611−47.0% | Reduced |
| State of Alaska, Department of Revenue | 67,947 | $3.79M | 0.05% | −3,670−5.1% | Reduced |
| State of Tennessee, Treasury Department | 67,704 | $3.78M | 0.02% | −3,142−4.4% | Reduced |
| Moody Aldrich Partners LLC | 67,036 | $3.74M | 0.71% | −3,034−4.3% | Reduced |
| Teachers Retirement System of the State of Kentucky | 63,292 | $3.53M | 0.04% | 00.0% | Unchanged |
| Value Aligned Research Advisors, LLC | 62,790 | $3.50M | 1.10% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 62,389 | $3.48M | 0.01% | 00.0% | Unchanged |
| Segall Bryant & Hamill, LLC | 61,175 | $3.41M | 0.04% | +9,984+19.5% | Added |
| American International Group, Inc. | 59,863 | $3.34M | 0.02% | +1,289+2.2% | Added |
| Vident Advisory, LLC | 58,838 | $3.28M | 0.10% | +58,838 | New |
| Empowered Funds, LLC | 58,372 | $3.26M | 0.10% | +10,891+22.9% | Added |
| Two Sigma Advisers, LP | 58,200 | $3.25M | 0.01% | +35,300+154.1% | Added |
| MetLife Investment Management | 57,491 | $3.21M | 0.02% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 56,613 | $3.16M | 0.04% | −3,449−5.7% | Reduced |
| Louisiana State Employees Retirement System | 55,500 | $3.10M | 0.07% | −1,600−2.8% | Reduced |
| Comerica Bank | 52,956 | $2.95M | 0.02% | +52,956 | New |
| Janus Henderson Group PLC | 51,052 | $2.85M | 0.00% | −37,421−42.3% | Reduced |
| Franklin Resources Inc | 49,754 | $2.78M | 0.00% | +1,099+2.3% | Added |
| Amalgamated Bank | 48,693 | $2.72M | 0.02% | −723−1.5% | Reduced |
| Teacher Retirement System of Texas | 48,341 | $2.70M | 0.02% | +5,783+13.6% | Added |
| Royal Bank of Canada | 48,231 | $2.69M | 0.00% | +16,406+51.6% | Added |
| Envestnet Asset Management Inc | 42,813 | $2.39M | 0.00% | −3,830−8.2% | Reduced |
| Maryland State Retirement & Pension System | 40,196 | $2.24M | 0.05% | −2,210−5.2% | Reduced |
| Knights of Columbus Asset Advisors LLC | 39,619 | $2.21M | 0.20% | +39,619 | New |
| Ensign Peak Advisors, Inc | 38,502 | $2.15M | 0.00% | −16,105−29.5% | Reduced |
| Cambiar Investors LLC | 38,441 | $2.14M | 0.09% | +4,687+13.9% | Added |
| Walleye Trading LLC | 38,338 | $2.14M | 0.05% | −120,848−75.9% | Reduced |
| Advisor Group Holdings, Inc. | 35,677 | $1.99M | 0.00% | +667+1.9% | Added |
| Los Angeles Capital Management LLC | 33,255 | $1.86M | 0.01% | −73,191−68.8% | Reduced |
| Oregon Public Employees Retirement Fund | 32,389 | $1.81M | 0.02% | −1,600−4.7% | Reduced |
| Victory Capital Management Inc | 32,359 | $1.81M | 0.00% | +4,231+15.0% | Added |
| STRS Ohio | 31,500 | $1.76M | 0.01% | +600+1.9% | Added |
| State Board of Administration of Florida Retirement System | 31,193 | $1.74M | 0.00% | +220+0.7% | Added |
| Simplex Trading, LLC | 31,157 | $1.74M | 0.06% | +15,326+96.8% | Added |
| Arizona State Retirement System | 30,991 | $1.73M | 0.01% | +423+1.4% | Added |
| American Century Companies Inc | 30,667 | $1.71M | 0.00% | −5,363−14.9% | Reduced |
| Harvest Investment Services, LLC | 30,611 | $1.71M | 1.10% | +9,039+41.9% | Added |
| Qube Research & Technologies Ltd | 29,875 | $1.67M | 0.00% | +26,380+754.8% | Added |
| Chartwell Investment Partners, LLC | 29,376 | $1.64M | 0.06% | +10,037+51.9% | Added |
| Jennison Associates LLC | 29,202 | $1.63M | 0.00% | +2,406+9.0% | Added |
| Caption Management, LLC | 28,701 | $1.60M | 0.21% | −1,638−5.4% | Reduced |
| QRG Capital Management, Inc. | 28,055 | $1.57M | 0.03% | +28,055 | New |
| Guggenheim Capital LLC | 26,957 | $1.50M | 0.01% | +1,292+5.0% | Added |
| ProShare Advisors LLC | 26,038 | $1.45M | 0.00% | +9,003+52.9% | Added |
| B. Metzler seel. Sohn & Co. AG | 25,132 | $1.40M | 0.02% | +25,132 | New |
| Yorktown Management & Research Co Inc | 24,600 | $1.37M | 1.54% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 24,158 | $1.35M | 0.01% | +4,837+25.0% | Added |
| Creative Planning | 23,113 | $1.29M | 0.00% | −6,988−23.2% | Reduced |
| JB Capital LLC | 22,991 | $1.28M | 0.11% | +2,183+10.5% | Added |
| Two Sigma Investments, LP | 22,800 | $1.27M | 0.00% | 00.0% | Unchanged |
| TD Asset Management Inc | 22,400 | $1.25M | 0.00% | −14,100−38.6% | Reduced |
| Linden Thomas Advisory Services, LLC | 21,582 | $1.20M | 0.27% | +21,582 | New |
| Diversified Trust Co | 20,906 | $1.17M | 0.04% | +518+2.5% | Added |
| EAM Investors, LLC | 20,310 | $1.13M | 0.22% | −14,832−42.2% | Reduced |
| Janney Montgomery Scott LLC | 19,642 | $1.10M | 0.00% | +2,246+12.9% | Added |
| ClariVest Asset Management LLC | 19,583 | $1.09M | 0.06% | −33,441−63.1% | Reduced |
| Wolverine Trading, LLC | 19,054 | $1.06M | 0.01% | +2,008+11.8% | Added |
| Sawtooth Solutions, LLC | 18,678 | $1.04M | 0.03% | −533−2.8% | Reduced |
| Bleakley Financial Group, LLC | 18,678 | $1.04M | 0.04% | −533−2.8% | Reduced |
| Handelsbanken Fonder AB | 18,597 | $1.04M | 0.01% | 00.0% | Unchanged |
| Virtue Capital Management, LLC | 16,383 | $1.03M | 0.17% | 00.0% | Unchanged |
| Bailard, Inc. | 17,155 | $957.1K | 0.03% | +13,625+386.0% | Added |
| China Universal Asset Management Co., Ltd. | 17,000 | $948.4K | 0.27% | −22,000−56.4% | Reduced |
| Petra Financial Advisors Inc | 16,523 | $921.8K | 0.77% | −201−1.2% | Reduced |
| Juncture Wealth Strategies, LLC | 16,516 | $921.4K | 0.45% | +4,686+39.6% | Added |
| Everence Capital Management Inc | 16,495 | $920.0K | 0.07% | −1,890−10.3% | Reduced |
| Centiva Capital, LP | 16,166 | $901.9K | 0.04% | +2,202+15.8% | Added |
| Navellier & Associates Inc | 16,030 | $894.3K | 0.15% | −196−1.2% | Reduced |
| Bank of Montreal | 15,264 | $868.2K | 0.00% | −473−3.0% | Reduced |
| Shay Capital LLC | 15,000 | $836.9K | 0.25% | +8,500+130.8% | Added |
| Hanseatic Management Services Inc | 14,960 | $834.6K | 1.55% | +94+0.6% | Added |
| First Hawaiian Bank | 14,808 | $826.1K | 0.03% | 00.0% | Unchanged |
| US Bancorp | 14,391 | $802.9K | 0.00% | −1,808−11.2% | Reduced |
| BNC Wealth Management, LLC | 14,346 | $800.4K | 0.43% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 14,171 | $791.0K | 0.00% | −1,448−9.3% | Reduced |
| Gotham Asset Management, LLC | 14,104 | $786.9K | 0.02% | +5,790+69.6% | Added |
| Point72 Asset Management, L.P. | 13,900 | $775.5K | 0.00% | +13,900 | New |
| Allspring Global Investments Holdings, LLC | 13,507 | $753.6K | 0.00% | +1,059+8.5% | Added |
| Meritage Portfolio Management | 12,606 | $703.0K | 0.05% | +646+5.4% | Added |
| Raymond James & Associates | 12,555 | $700.4K | 0.00% | −15,437−55.1% | Reduced |
| HSBC Holdings PLC | 12,510 | $699.0K | 0.00% | −30,746−71.1% | Reduced |
| Hel Ved Capital Management Ltd | 12,405 | $692.1K | 0.23% | +12,405 | New |
| Cetera Advisor Networks LLC | 12,194 | $680.3K | 0.00% | +1,367+12.6% | Added |
| Pictet Asset Management Holding SA | 12,161 | $678.5K | 0.00% | +12,161 | New |
| Virtus Investment Advisers, Inc. | 12,053 | $672.4K | 0.46% | −6,072−33.5% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 12,054 | $672.0K | 0.00% | −2,343−16.3% | Reduced |
| Schonfeld Strategic Advisors LLC | 11,990 | $668.9K | 0.01% | −443,392−97.4% | Reduced |
| Advisor Partners II, LLC | 11,886 | $663.1K | 0.03% | +794+7.2% | Added |
| JustInvest LLC | 11,652 | $650.1K | 0.02% | +3,265+38.9% | Added |
| Profund Advisors LLC | 11,008 | $614.1K | 0.03% | +4,569+71.0% | Added |
| Aviva PLC | 10,915 | $608.9K | 0.00% | +10,915 | New |