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 2022
Institutional positions in Rambus Inc as of Dec 31, 2022. 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
- 303
- +64 vs. Q3 2022
- Shares held
- 91.6M
- −1.84M (−2.0%) vs. Q3 2022
- Total value
- $3.27B
- +$892.4M (+37.5%) vs. Q3 2022
- New holders
- 79
- 83 more added
- Sold out
- 15
- 101 more reduced
2 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: 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 2022
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Marshall Wace, LLP | 9,049 | $324.1K | 0.00% | +9,049 | New |
| Crossmark Global Holdings, Inc. | 9,113 | $326.0K | 0.01% | −277−2.9% | Reduced |
| Cornerstone Investment Partners, LLC | 9,305 | $333.3K | 0.02% | −300−3.1% | Reduced |
| Quadrature Capital Ltd | 9,541 | $341.7K | 0.01% | +9,541 | New |
| Eqis Capital Management, Inc. | 9,562 | $342.5K | 0.04% | −1,348−12.4% | Reduced |
| KBC Group NV | 9,639 | $345.0K | 0.00% | 00.0% | Unchanged |
| MQS Management LLC | 9,852 | $352.9K | 0.24% | +9,852 | New |
| Cambridge Investment Research Advisors, Inc. | 9,864 | $353.0K | 0.00% | +51+0.5% | Added |
| Contravisory Investment Management, Inc. | 10,111 | $362.2K | 0.10% | +1,379+15.8% | Added |
| Ameritas Investment Partners, Inc. | 8,554 | $366.5K | 0.01% | +237+2.8% | Added |
| Navellier & Associates Inc | 10,579 | $378.9K | 0.08% | +10,579 | New |
| Advisor Partners II, LLC | 10,754 | $385.2K | 0.02% | +774+7.8% | Added |
| Harvest Fund Management Co., Ltd | 12,401 | $425.0K | 0.11% | +10,957+758.8% | Added |
| Cetera Advisor Networks LLC | 11,994 | $429.6K | 0.00% | +894+8.1% | Added |
| United Services Automobile Association | 12,126 | $434.0K | 0.01% | 00.0% | Unchanged |
| Kula Investments, LLC | 12,440 | $445.6K | 0.16% | +12,440 | New |
| Mariner, LLC | 12,440 | $446.0K | 0.00% | +571+4.8% | Added |
| Y-Intercept (Hong Kong) Ltd | 13,007 | $465.9K | 0.07% | +13,007 | New |
| Aquatic Capital Management LLC | 13,200 | $473.0K | 0.03% | +9,600+266.7% | Added |
| Pictet Asset Management SA | 13,438 | $481.0K | 0.00% | +5,334+65.8% | Added |
| FORA Capital, LLC | 13,882 | $497.3K | 0.08% | +13,882 | New |
| Moors & Cabot, Inc. | 13,950 | $499.7K | 0.03% | −350−2.4% | Reduced |
| Hanseatic Management Services Inc | 14,223 | $509.0K | 1.29% | +14,223 | New |
| TrimTabs Asset Management, LLC | 14,221 | $509.4K | 0.33% | +14,221 | New |
| Advisor Group Holdings, Inc. | 14,258 | $510.9K | 0.00% | −1,675−10.5% | Reduced |
| Campbell & CO Investment Adviser LLC | 14,385 | $515.3K | 0.12% | −11,154−43.7% | Reduced |
| Allspring Global Investments Holdings, LLC | 15,299 | $548.0K | 0.00% | +3,141+25.8% | Added |
| Mach-1 Financial Group, Inc. | 15,311 | $548.4K | 0.26% | +15,311 | New |
| Public Employees Retirement Association of Colorado | 15,619 | $559.0K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 16,274 | $582.9K | 0.00% | +2,140+15.1% | Added |
| BNC Wealth Management, LLC | 16,768 | $600.6K | 0.35% | 00.0% | Unchanged |
| ProShare Advisors LLC | 16,888 | $604.9K | 0.00% | +1,793+11.9% | Added |
| New York Life Investment Management LLC | 17,790 | $637.2K | 0.01% | +2,008+12.7% | Added |
| Bank of Montreal | 18,136 | $651.4K | 0.00% | +945+5.5% | Added |
| Virtue Capital Management, LLC | 18,277 | $654.7K | 0.10% | +18,277 | New |
| Everence Capital Management Inc | 18,385 | $659.0K | 0.06% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 18,597 | $666.0K | 0.00% | 00.0% | Unchanged |
| Mitsubishi UFJ Trust & Banking Corp | 19,307 | $691.6K | 0.00% | 00.0% | Unchanged |
| Diversified Trust Co | 19,409 | $695.0K | 0.03% | +44+0.2% | Added |
| State of Wyoming | 20,212 | $724.0K | 0.24% | +6,037+42.6% | Added |
| JB Capital LLC | 20,309 | $727.5K | 0.07% | −327−1.6% | Reduced |
| Occudo Quantitative Strategies LP | 20,660 | $740.0K | 0.09% | +20,660 | New |
| Mackenzie Financial Corp | 21,079 | $755.0K | 0.00% | −19,063−47.5% | Reduced |
| ARGA Investment Management, LP | 21,680 | $776.6K | 0.03% | 00.0% | Unchanged |
| Kiwi Wealth Investments Limited Partnership | 21,777 | $780.1K | 0.05% | +21,777 | New |
| Janus Henderson Group PLC | 22,212 | $795.4K | 0.00% | +2,999+15.6% | Added |
| ETF Managers Group, LLC | 22,297 | $798.7K | 0.04% | +812+3.8% | Added |
| Mutual of America Capital Management LLC | 22,525 | $806.8K | 0.01% | +536+2.4% | Added |
| American Century Companies Inc | 23,261 | $833.2K | 0.00% | +7,666+49.2% | Added |
| Centiva Capital, LP | 23,508 | $842.1K | 0.07% | +14,734+167.9% | Added |
| Juncture Wealth Strategies, LLC | 24,506 | $877.8K | 0.42% | −5,326−17.9% | Reduced |
| Creative Planning | 25,042 | $897.0K | 0.00% | +9,009+56.2% | Added |
| Robeco Institutional Asset Management B.V. | 25,108 | $899.4K | 0.00% | −6,053−19.4% | Reduced |
| Jackson Creek Investment Advisors LLC | 25,319 | $907.0K | 0.40% | −10,810−29.9% | Reduced |
| Advisors Asset Management, Inc. | 25,586 | $916.5K | 0.02% | −551−2.1% | Reduced |
| First Hawaiian Bank | 25,639 | $918.0K | 0.03% | −1,363−5.0% | Reduced |
| HSBC Holdings PLC | 26,176 | $934.8K | 0.00% | +4,414+20.3% | Added |
| Truist Financial Corp | 27,438 | $982.8K | 0.00% | +11,921+76.8% | Added |
| Ensign Peak Advisors, Inc | 28,067 | $1.01M | 0.00% | −6,050−17.7% | Reduced |
| Balyasny Asset Management LLC | 28,295 | $1.01M | 0.00% | +28,295 | New |
| Guggenheim Capital LLC | 28,451 | $1.02M | 0.01% | −2,150−7.0% | Reduced |
| Alpha DNA Investment Management LLC | 29,544 | $1.06M | 0.56% | +29,544 | New |
| Arizona State Retirement System | 31,188 | $1.12M | 0.01% | +1,232+4.1% | Added |
| ClariVest Asset Management LLC | 31,180 | $1.12M | 0.05% | −51−0.2% | Reduced |
| Yorktown Management & Research Co Inc | 31,500 | $1.13M | 1.38% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 34,309 | $1.23M | 0.01% | 00.0% | Unchanged |
| Discovery Capital Management, LLC | 34,850 | $1.25M | 0.19% | +34,850 | New |
| State Board of Administration of Florida Retirement System | 35,143 | $1.26M | 0.00% | −20,730−37.1% | Reduced |
| STRS Ohio | 35,600 | $1.27M | 0.01% | −10,900−23.4% | Reduced |
| Oregon Public Employees Retirement Fund | 35,780 | $1.28M | 0.02% | −845−2.3% | Reduced |
| Cipher Capital LP | 38,778 | $1.39M | 0.26% | +38,778 | New |
| Gyon Technologies Capital Management, LP | 40,346 | $1.45M | 0.54% | −30,338−42.9% | Reduced |
| Citadel Advisors LLC | 40,598 | $1.45M | 0.00% | +40,598 | New |
| Squarepoint Ops LLC | 40,915 | $1.47M | 0.01% | +40,915 | New |
| Qube Research & Technologies Ltd | 41,235 | $1.48M | 0.01% | +41,235 | New |
| Duality Advisers, LP | 41,432 | $1.48M | 0.17% | +41,432 | New |
| Great Lakes Advisors, LLC | 423,350 | $1.52M | 0.09% | −10,219−2.4% | Reduced |
| AQR Capital Management LLC | 42,347 | $1.52M | 0.00% | −4,177−9.0% | Reduced |
| Value Aligned Research Advisors, LLC | 42,790 | $1.53M | 0.69% | +42,790 | New |
| Manufacturers Life Insurance Company, The | 42,969 | $1.54M | 0.00% | −654−1.5% | Reduced |
| Virtus Investment Advisers, Inc. | 43,131 | $1.54M | 1.03% | −16,629−27.8% | Reduced |
| Teacher Retirement System of Texas | 43,556 | $1.56M | 0.01% | −14,935−25.5% | Reduced |
| Engineers Gate Manager LP | 43,791 | $1.57M | 0.09% | +43,791 | New |
| TD Asset Management Inc | 43,800 | $1.57M | 0.00% | +22,800+108.6% | Added |
| Maryland State Retirement & Pension System | 44,244 | $1.58M | 0.05% | +44,244 | New |
| AE Wealth Management LLC | 46,750 | $1.67M | 0.01% | +15,288+48.6% | Added |
| Envestnet Asset Management Inc | 47,208 | $1.69M | 0.00% | −1,916−3.9% | Reduced |
| Voya Investment Management LLC | 49,293 | $1.77M | 0.00% | +7,434+17.8% | Added |
| Graham Capital Management, L.P. | 50,435 | $1.81M | 0.07% | −25,726−33.8% | Reduced |
| EAM Investors, LLC | 50,931 | $1.82M | 0.38% | +50,931 | New |
| Louisiana State Employees Retirement System | 51,000 | $1.83M | 0.05% | −1,800−3.4% | Reduced |
| Renaissance Technologies LLC | 51,500 | $1.84M | 0.00% | −4,600−8.2% | Reduced |
| Amalgamated Bank | 51,845 | $1.86M | 0.02% | −1,670−3.1% | Reduced |
| EAM Global Investors LLC | 52,214 | $1.87M | 0.48% | +52,214 | New |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 53,000 | $1.90M | 1.45% | +53,000 | New |
| Price T Rowe Associates Inc | 54,092 | $1.94M | 0.00% | +945+1.8% | Added |
| MetLife Investment Management | 56,019 | $2.01M | 0.02% | −2,577−4.4% | Reduced |
| American International Group, Inc. | 58,139 | $2.08M | 0.01% | −1,981−3.3% | Reduced |
| Voloridge Investment Management, LLC | 58,523 | $2.10M | 0.01% | +58,523 | New |
| HRT Financial LP | 60,126 | $2.15M | 0.03% | +60,126 | New |