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 |
|---|---|---|---|---|---|
| Putnam Investments LLC | 66,166 | $2.37M | 0.00% | −22,866−25.7% | Reduced |
| New York State Teachers Retirement System | 64,255 | $2.30M | 0.01% | −1,683−2.6% | Reduced |
| State of New Jersey Common Pension Fund D | 61,704 | $2.21M | 0.01% | −24,432−28.4% | Reduced |
| HRT Financial LP | 60,126 | $2.15M | 0.03% | +60,126 | New |
| Voloridge Investment Management, LLC | 58,523 | $2.10M | 0.01% | +58,523 | New |
| American International Group, Inc. | 58,139 | $2.08M | 0.01% | −1,981−3.3% | Reduced |
| MetLife Investment Management | 56,019 | $2.01M | 0.02% | −2,577−4.4% | Reduced |
| Price T Rowe Associates Inc | 54,092 | $1.94M | 0.00% | +945+1.8% | Added |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 53,000 | $1.90M | 1.45% | +53,000 | New |
| EAM Global Investors LLC | 52,214 | $1.87M | 0.48% | +52,214 | New |
| Amalgamated Bank | 51,845 | $1.86M | 0.02% | −1,670−3.1% | Reduced |
| Renaissance Technologies LLC | 51,500 | $1.84M | 0.00% | −4,600−8.2% | Reduced |
| Louisiana State Employees Retirement System | 51,000 | $1.83M | 0.05% | −1,800−3.4% | Reduced |
| EAM Investors, LLC | 50,931 | $1.82M | 0.38% | +50,931 | New |
| Graham Capital Management, L.P. | 50,435 | $1.81M | 0.07% | −25,726−33.8% | Reduced |
| Voya Investment Management LLC | 49,293 | $1.77M | 0.00% | +7,434+17.8% | Added |
| Envestnet Asset Management Inc | 47,208 | $1.69M | 0.00% | −1,916−3.9% | Reduced |
| AE Wealth Management LLC | 46,750 | $1.67M | 0.01% | +15,288+48.6% | Added |
| Maryland State Retirement & Pension System | 44,244 | $1.58M | 0.05% | +44,244 | New |
| TD Asset Management Inc | 43,800 | $1.57M | 0.00% | +22,800+108.6% | Added |
| Engineers Gate Manager LP | 43,791 | $1.57M | 0.09% | +43,791 | New |
| Teacher Retirement System of Texas | 43,556 | $1.56M | 0.01% | −14,935−25.5% | Reduced |
| Virtus Investment Advisers, Inc. | 43,131 | $1.54M | 1.03% | −16,629−27.8% | Reduced |
| Manufacturers Life Insurance Company, The | 42,969 | $1.54M | 0.00% | −654−1.5% | Reduced |
| Value Aligned Research Advisors, LLC | 42,790 | $1.53M | 0.69% | +42,790 | New |
| AQR Capital Management LLC | 42,347 | $1.52M | 0.00% | −4,177−9.0% | Reduced |
| Great Lakes Advisors, LLC | 423,350 | $1.52M | 0.09% | −10,219−2.4% | Reduced |
| Duality Advisers, LP | 41,432 | $1.48M | 0.17% | +41,432 | New |
| Qube Research & Technologies Ltd | 41,235 | $1.48M | 0.01% | +41,235 | New |
| Squarepoint Ops LLC | 40,915 | $1.47M | 0.01% | +40,915 | New |
| Citadel Advisors LLC | 40,598 | $1.45M | 0.00% | +40,598 | New |
| Gyon Technologies Capital Management, LP | 40,346 | $1.45M | 0.54% | −30,338−42.9% | Reduced |
| Cipher Capital LP | 38,778 | $1.39M | 0.26% | +38,778 | New |
| Oregon Public Employees Retirement Fund | 35,780 | $1.28M | 0.02% | −845−2.3% | Reduced |
| STRS Ohio | 35,600 | $1.27M | 0.01% | −10,900−23.4% | Reduced |
| State Board of Administration of Florida Retirement System | 35,143 | $1.26M | 0.00% | −20,730−37.1% | Reduced |
| Discovery Capital Management, LLC | 34,850 | $1.25M | 0.19% | +34,850 | New |
| Teachers Retirement System of the State of Kentucky | 34,309 | $1.23M | 0.01% | 00.0% | Unchanged |
| Yorktown Management & Research Co Inc | 31,500 | $1.13M | 1.38% | 00.0% | Unchanged |
| ClariVest Asset Management LLC | 31,180 | $1.12M | 0.05% | −51−0.2% | Reduced |
| Arizona State Retirement System | 31,188 | $1.12M | 0.01% | +1,232+4.1% | Added |
| Alpha DNA Investment Management LLC | 29,544 | $1.06M | 0.56% | +29,544 | New |
| Guggenheim Capital LLC | 28,451 | $1.02M | 0.01% | −2,150−7.0% | Reduced |
| Balyasny Asset Management LLC | 28,295 | $1.01M | 0.00% | +28,295 | New |
| Ensign Peak Advisors, Inc | 28,067 | $1.01M | 0.00% | −6,050−17.7% | Reduced |
| Truist Financial Corp | 27,438 | $982.8K | 0.00% | +11,921+76.8% | Added |
| HSBC Holdings PLC | 26,176 | $934.8K | 0.00% | +4,414+20.3% | Added |
| First Hawaiian Bank | 25,639 | $918.0K | 0.03% | −1,363−5.0% | Reduced |
| Advisors Asset Management, Inc. | 25,586 | $916.5K | 0.02% | −551−2.1% | Reduced |
| Jackson Creek Investment Advisors LLC | 25,319 | $907.0K | 0.40% | −10,810−29.9% | Reduced |
| Robeco Institutional Asset Management B.V. | 25,108 | $899.4K | 0.00% | −6,053−19.4% | Reduced |
| Creative Planning | 25,042 | $897.0K | 0.00% | +9,009+56.2% | Added |
| Juncture Wealth Strategies, LLC | 24,506 | $877.8K | 0.42% | −5,326−17.9% | Reduced |
| Centiva Capital, LP | 23,508 | $842.1K | 0.07% | +14,734+167.9% | Added |
| American Century Companies Inc | 23,261 | $833.2K | 0.00% | +7,666+49.2% | Added |
| Mutual of America Capital Management LLC | 22,525 | $806.8K | 0.01% | +536+2.4% | Added |
| ETF Managers Group, LLC | 22,297 | $798.7K | 0.04% | +812+3.8% | Added |
| Janus Henderson Group PLC | 22,212 | $795.4K | 0.00% | +2,999+15.6% | Added |
| Kiwi Wealth Investments Limited Partnership | 21,777 | $780.1K | 0.05% | +21,777 | New |
| ARGA Investment Management, LP | 21,680 | $776.6K | 0.03% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 21,079 | $755.0K | 0.00% | −19,063−47.5% | Reduced |
| Occudo Quantitative Strategies LP | 20,660 | $740.0K | 0.09% | +20,660 | New |
| JB Capital LLC | 20,309 | $727.5K | 0.07% | −327−1.6% | Reduced |
| State of Wyoming | 20,212 | $724.0K | 0.24% | +6,037+42.6% | Added |
| Diversified Trust Co | 19,409 | $695.0K | 0.03% | +44+0.2% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 19,307 | $691.6K | 0.00% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 18,597 | $666.0K | 0.00% | 00.0% | Unchanged |
| Everence Capital Management Inc | 18,385 | $659.0K | 0.06% | 00.0% | Unchanged |
| Virtue Capital Management, LLC | 18,277 | $654.7K | 0.10% | +18,277 | New |
| Bank of Montreal | 18,136 | $651.4K | 0.00% | +945+5.5% | Added |
| New York Life Investment Management LLC | 17,790 | $637.2K | 0.01% | +2,008+12.7% | Added |
| ProShare Advisors LLC | 16,888 | $604.9K | 0.00% | +1,793+11.9% | Added |
| BNC Wealth Management, LLC | 16,768 | $600.6K | 0.35% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 16,274 | $582.9K | 0.00% | +2,140+15.1% | Added |
| Public Employees Retirement Association of Colorado | 15,619 | $559.0K | 0.00% | 00.0% | Unchanged |
| Mach-1 Financial Group, Inc. | 15,311 | $548.4K | 0.26% | +15,311 | New |
| Allspring Global Investments Holdings, LLC | 15,299 | $548.0K | 0.00% | +3,141+25.8% | Added |
| Campbell & CO Investment Adviser LLC | 14,385 | $515.3K | 0.12% | −11,154−43.7% | Reduced |
| Advisor Group Holdings, Inc. | 14,258 | $510.9K | 0.00% | −1,675−10.5% | Reduced |
| TrimTabs Asset Management, LLC | 14,221 | $509.4K | 0.33% | +14,221 | New |
| Hanseatic Management Services Inc | 14,223 | $509.0K | 1.29% | +14,223 | New |
| Moors & Cabot, Inc. | 13,950 | $499.7K | 0.03% | −350−2.4% | Reduced |
| FORA Capital, LLC | 13,882 | $497.3K | 0.08% | +13,882 | New |
| Pictet Asset Management SA | 13,438 | $481.0K | 0.00% | +5,334+65.8% | Added |
| Aquatic Capital Management LLC | 13,200 | $473.0K | 0.03% | +9,600+266.7% | Added |
| Y-Intercept (Hong Kong) Ltd | 13,007 | $465.9K | 0.07% | +13,007 | New |
| Mariner, LLC | 12,440 | $446.0K | 0.00% | +571+4.8% | Added |
| Kula Investments, LLC | 12,440 | $445.6K | 0.16% | +12,440 | New |
| United Services Automobile Association | 12,126 | $434.0K | 0.01% | 00.0% | Unchanged |
| Cetera Advisor Networks LLC | 11,994 | $429.6K | 0.00% | +894+8.1% | Added |
| Harvest Fund Management Co., Ltd | 12,401 | $425.0K | 0.11% | +10,957+758.8% | Added |
| Advisor Partners II, LLC | 10,754 | $385.2K | 0.02% | +774+7.8% | Added |
| Navellier & Associates Inc | 10,579 | $378.9K | 0.08% | +10,579 | New |
| Ameritas Investment Partners, Inc. | 8,554 | $366.5K | 0.01% | +237+2.8% | Added |
| Contravisory Investment Management, Inc. | 10,111 | $362.2K | 0.10% | +1,379+15.8% | Added |
| Cambridge Investment Research Advisors, Inc. | 9,864 | $353.0K | 0.00% | +51+0.5% | Added |
| MQS Management LLC | 9,852 | $352.9K | 0.24% | +9,852 | New |
| KBC Group NV | 9,639 | $345.0K | 0.00% | 00.0% | Unchanged |
| Eqis Capital Management, Inc. | 9,562 | $342.5K | 0.04% | −1,348−12.4% | Reduced |
| Quadrature Capital Ltd | 9,541 | $341.7K | 0.01% | +9,541 | New |