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, Q4 2021
Institutional positions in Rambus Inc as of Dec 31, 2021. 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
- 258
- +26 vs. Q3 2021
- Shares held
- 95.6M
- +2.33M (+2.5%) vs. Q3 2021
- Total value
- $2.80B
- +$735.3M (+35.5%) vs. Q3 2021
- New holders
- 55
- 84 more added
- Sold out
- 29
- 77 more reduced
4 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: 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, Q4 2021
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Everence Capital Management Inc | 13,445 | $395.0K | 0.03% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 13,674 | $402.0K | 0.01% | −11,685−46.1% | Reduced |
| Wolverine Trading, LLC | 14,018 | $407.0K | 0.01% | −3,367−19.4% | Reduced |
| Mutual of America Capital Management LLC | 14,942 | $439.0K | 0.00% | +420+2.9% | Added |
| HAP Trading, LLC | 15,272 | $449.0K | 0.03% | +2,338+18.1% | Added |
| Parallel Advisors, LLC | 15,957 | $469.0K | 0.02% | +54+0.3% | Added |
| Winton Group Ltd | 15,943 | $469.0K | 0.03% | +15,943 | New |
| Capital Fund Management S.A. | 16,076 | $472.5K | 0.01% | −963−5.7% | Reduced |
| Raymond James & Associates | 16,250 | $478.0K | 0.00% | +16,250 | New |
| BNC Wealth Management, LLC | 16,905 | $497.0K | 0.24% | +1,400+9.0% | Added |
| JB Capital LLC | 18,003 | $529.1K | 0.05% | +18,003 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 18,127 | $533.0K | 0.00% | +6,904+61.5% | Added |
| Juncture Wealth Strategies, LLC | 18,703 | $550.0K | 0.26% | +4,670+33.3% | Added |
| ExodusPoint Capital Management, LP | 19,136 | $562.0K | 0.01% | +19,136 | New |
| Natixis Advisors, L.P. | 19,435 | $571.0K | 0.00% | +2,280+13.3% | Added |
| Eqis Capital Management, Inc. | 19,460 | $572.0K | 0.04% | +8,383+75.7% | Added |
| Public Employees Retirement Association of Colorado | 19,581 | $575.0K | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 20,265 | $594.0K | 0.00% | +20,265 | New |
| Teacher Retirement System of Texas | 20,961 | $616.0K | 0.00% | +2,601+14.2% | Added |
| Qube Research & Technologies Ltd | 21,163 | $622.0K | 0.00% | −33,260−61.1% | Reduced |
| IndexIQ Advisors LLC | 21,724 | $638.0K | 0.02% | −1,404−6.1% | Reduced |
| AlphaCrest Capital Management LLC | 21,796 | $641.0K | 0.02% | −117,982−84.4% | Reduced |
| PDT Partners, LLC | 22,416 | $659.0K | 0.05% | +5,555+32.9% | Added |
| Susquehanna International Group, LLP | 22,595 | $664.0K | 0.00% | +22,595 | New |
| HRT Financial LP | 23,028 | $676.0K | 0.00% | −168,933−88.0% | Reduced |
| Janus Henderson Group PLC | 23,091 | $679.0K | 0.00% | +11,597+100.9% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 25,170 | $740.0K | 0.00% | +25,170 | New |
| Handelsbanken Fonder AB | 26,297 | $773.0K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 27,123 | $798.0K | 0.00% | +10,411+62.3% | Added |
| Envestnet Asset Management Inc | 27,521 | $809.0K | 0.00% | +11,193+68.6% | Added |
| First Hawaiian Bank | 27,560 | $810.0K | 0.02% | +27,560 | New |
| Metropolitan Life Insurance Co | 28,431 | $835.6K | 0.01% | 00.0% | Unchanged |
| Arizona State Retirement System | 29,309 | $861.0K | 0.01% | −1,337−4.4% | Reduced |
| Bank of Montreal | 29,468 | $868.0K | 0.00% | −6,316−17.7% | Reduced |
| Cubist Systematic Strategies, LLC | 29,602 | $870.0K | 0.01% | −92,368−75.7% | Reduced |
| Price T Rowe Associates Inc | 29,840 | $877.0K | 0.00% | −5,252−15.0% | Reduced |
| Boston Partners | 31,065 | $913.0K | 0.00% | −3,579−10.3% | Reduced |
| Citadel Advisors LLC | 31,427 | $924.0K | 0.00% | +31,427 | New |
| Teachers Retirement System of the State of Kentucky | 32,312 | $950.0K | 0.01% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 32,639 | $959.0K | 0.00% | +16,964+108.2% | Added |
| STRS Ohio | 32,900 | $966.0K | 0.00% | −20,100−37.9% | Reduced |
| Ensign Peak Advisors, Inc | 34,117 | $1.00M | 0.00% | −68,240−66.7% | Reduced |
| ETF Managers Group, LLC | 35,147 | $1.02M | 0.02% | +1,671+5.0% | Added |
| MetLife Investment Management | 37,951 | $1.12M | 0.01% | 00.0% | Unchanged |
| Robeco Institutional Asset Management B.V. | 38,401 | $1.13M | 0.00% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 39,289 | $1.16M | 0.01% | −31,298−44.3% | Reduced |
| Advisor Group Holdings, Inc. | 41,237 | $1.21M | 0.00% | +31,162+309.3% | Added |
| Voya Investment Management LLC | 41,898 | $1.23M | 0.00% | −32,003−43.3% | Reduced |
| Oregon Public Employees Retirement Fund | 41,939 | $1.23M | 0.01% | −3,423−7.5% | Reduced |
| Maryland State Retirement & Pension System | 43,600 | $1.28M | 0.03% | +752+1.8% | Added |
| Yorktown Management & Research Co Inc | 46,400 | $1.36M | 0.92% | +26,800+136.7% | Added |
| Gyon Technologies Capital Management, LP | 46,583 | $1.37M | 0.25% | +469+1.0% | Added |
| Gotham Asset Management, LLC | 48,353 | $1.42M | 0.05% | +17,633+57.4% | Added |
| UBS Group AG | 48,787 | $1.43M | 0.00% | +45,951+1,620.3% | Added |
| Victory Capital Management Inc | 50,015 | $1.47M | 0.00% | −8,268−14.2% | Reduced |
| Amalgamated Bank | 51,493 | $1.51M | 0.01% | −701−1.3% | Reduced |
| Truist Financial Corp | 51,955 | $1.53M | 0.00% | +1,355+2.7% | Added |
| Allspring Global Investments Holdings, LLC | 52,285 | $1.54M | 0.00% | +52,285 | New |
| Louisiana State Employees Retirement System | 52,900 | $1.55M | 0.03% | +400+0.8% | Added |
| Raymond James Financial Services Advisors, Inc. | 53,176 | $1.56M | 0.00% | +53,176 | New |
| Stephens Inc | 54,450 | $1.60M | 0.02% | +54,450 | New |
| Manufacturers Life Insurance Company, The | 54,983 | $1.62M | 0.00% | −785−1.4% | Reduced |
| Martingale Asset Management L P | 57,870 | $1.70M | 0.02% | +11,997+26.2% | Added |
| AQR Capital Management LLC | 60,108 | $1.77M | 0.00% | +11,967+24.9% | Added |
| Man Group plc | 60,319 | $1.77M | 0.01% | +48,387+405.5% | Added |
| State Board of Administration of Florida Retirement System | 61,733 | $1.81M | 0.00% | −139−0.2% | Reduced |
| Ziegler Capital Management, LLC | 62,692 | $1.84M | 0.07% | −20,054−24.2% | Reduced |
| New York State Teachers Retirement System | 63,502 | $1.87M | 0.00% | +4,441+7.5% | Added |
| Los Angeles Capital Management LLC | 65,647 | $1.93M | 0.01% | +4,715+7.7% | Added |
| American International Group, Inc. | 66,033 | $1.94M | 0.01% | −2,086−3.1% | Reduced |
| State of Alaska, Department of Revenue | 77,436 | $2.27M | 0.02% | −1,965−2.5% | Reduced |
| Comerica Bank | 95,298 | $2.32M | 0.02% | −3,665−3.7% | Reduced |
| Texas Permanent School Fund | 79,194 | $2.33M | 0.03% | −1,361−1.7% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 82,658 | $2.43M | 0.03% | +91+0.1% | Added |
| State of Tennessee, Treasury Department | 83,081 | $2.44M | 0.01% | 00.0% | Unchanged |
| Cypress Capital Management LLC (WY) | 84,110 | $2.47M | 2.07% | +84,110 | New |
| Group One Trading, L.P. | 88,639 | $2.60M | 0.05% | +88,639 | New |
| EAM Global Investors LLC | 88,937 | $2.61M | 0.46% | +50,826+133.4% | Added |
| Thrivent Financial for Lutherans | 89,002 | $2.62M | 0.01% | +980+1.1% | Added |
| Stifel Financial Corp | 91,330 | $2.68M | 0.00% | +841+0.9% | Added |
| Cambiar Investors LLC | 93,262 | $2.74M | 0.09% | −24,432−20.8% | Reduced |
| Great West Life Assurance Co | 94,754 | $2.78M | 0.01% | +1,265+1.4% | Added |
| China Universal Asset Management Co., Ltd. | 95,000 | $2.79M | 0.66% | +95,000 | New |
| Yousif Capital Management, LLC | 102,219 | $3.00M | 0.03% | +102,219 | New |
| State of New Jersey Common Pension Fund D | 103,145 | $3.03M | 0.01% | −9,417−8.4% | Reduced |
| SEI Investments Co | 103,112 | $3.07M | 0.01% | +50,888+97.4% | Added |
| Nomura Holdings Inc | 108,028 | $3.17M | 0.02% | +108,028 | New |
| Prudential Financial Inc | 115,531 | $3.40M | 0.00% | −1,170−1.0% | Reduced |
| Schroder Investment Management Group | 118,965 | $3.50M | 0.00% | −6,380−5.1% | Reduced |
| State of Wisconsin Investment Board | 119,300 | $3.51M | 0.01% | +119,300 | New |
| First Trust Advisors LP | 121,952 | $3.58M | 0.00% | −42,920−26.0% | Reduced |
| SG Americas Securities, LLC | 126,879 | $3.73M | 0.02% | −81,279−39.0% | Reduced |
| Citigroup Inc | 130,022 | $3.82M | 0.00% | +40,007+44.4% | Added |
| EAM Investors, LLC | 137,360 | $4.04M | 0.66% | +137,360 | New |
| UBS Asset Management Americas Inc | 144,091 | $4.23M | 0.00% | +7,336+5.4% | Added |
| California State Teachers Retirement System | 151,345 | $4.45M | 0.01% | +600+0.4% | Added |
| Putnam Investments LLC | 152,240 | $4.47M | 0.01% | −500−0.3% | Reduced |
| LPL Financial LLC | 154,838 | $4.55M | 0.00% | +2,494+1.6% | Added |
| Public Employees Retirement System of Ohio | 156,362 | $4.59M | 0.02% | +156,362 | New |
| Alliancebernstein L.P. | 158,454 | $4.66M | 0.00% | −6,304−3.8% | Reduced |