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 2024
Institutional positions in Rambus Inc as of Sep 30, 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
- 376
- +15 vs. Q2 2024
- Shares held
- 93.1M
- +12.8M (+15.9%) vs. Q2 2024
- Total value
- $3.94B
- −$775.7M (−16.4%) vs. Q2 2024
- New holders
- 77
- 160 more added
- Sold out
- 62
- 103 more reduced
2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2024: 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 2024
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Assetmark, Inc | 98,738 | $4.17M | 0.01% | +10,355+11.7% | Added |
| Great West Life Assurance Co | 95,530 | $4.03M | 0.01% | +6,455+7.2% | Added |
| Primecap Management Co | 94,500 | $3.99M | 0.00% | −9,100−8.8% | Reduced |
| Intech Investment Management LLC | 91,159 | $3.85M | 0.04% | +91,159 | New |
| Twin Tree Management, LP | 90,245 | $3.81M | 0.09% | +90,245 | New |
| State of Wisconsin Investment Board | 88,171 | $3.72M | 0.01% | +6,272+7.7% | Added |
| Centiva Capital, LP | 83,915 | $3.54M | 0.16% | +83,915 | New |
| UBS Group AG | 80,347 | $3.39M | 0.00% | −105,031−56.7% | Reduced |
| New York State Teachers Retirement System | 80,250 | $3.39M | 0.01% | +5,169+6.9% | Added |
| Van Eck Associates Corp | 81,441 | $3.37M | 0.00% | +27,860+52.0% | Added |
| Wells Fargo & Company | 76,381 | $3.22M | 0.00% | −49,668−39.4% | Reduced |
| Qsemble Capital Management, LP | 74,910 | $3.16M | 0.58% | +74,910 | New |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 73,302 | $3.09M | 0.00% | +22,532+44.4% | Added |
| Allianz Asset Management GmbH | 71,057 | $3.00M | 0.00% | +10,529+17.4% | Added |
| Schonfeld Strategic Advisors LLC | 69,618 | $2.94M | 0.02% | −98,012−58.5% | Reduced |
| Thornburg Investment Management Inc | 69,048 | $2.92M | 0.04% | −11,225−14.0% | Reduced |
| Walleye Capital LLC | 68,493 | $2.89M | 0.03% | −84,665−55.3% | Reduced |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 68,400 | $2.89M | 1.11% | 00.0% | Unchanged |
| Rice Hall James & Associates, LLC | 68,243 | $2.88M | 0.16% | +15,148+28.5% | Added |
| Point72 Asset Management, L.P. | 67,587 | $2.85M | 0.01% | +67,587 | New |
| Brevan Howard Capital Management LP | 67,108 | $2.83M | 0.14% | +58,126+647.1% | Added |
| Jackson Square Partners, LLC | 66,267 | $2.80M | 0.24% | 00.0% | Unchanged |
| Vident Advisory, LLC | 66,028 | $2.79M | 0.07% | −3,008−4.4% | Reduced |
| Teachers Retirement System of the State of Kentucky | 63,922 | $2.70M | 0.02% | +3,775+6.3% | Added |
| FMR LLC | 62,730 | $2.65M | 0.00% | −667,598−91.4% | Reduced |
| Harbor Capital Advisors, Inc. | 62,645 | $2.65M | 0.11% | +43,706+230.8% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 62,599 | $2.64M | 0.50% | +62,599 | New |
| Bridgewater Associates, LP | 61,148 | $2.58M | 0.01% | +56,259+1,150.7% | Added |
| Gotham Asset Management, LLC | 60,558 | $2.56M | 0.03% | +31,875+111.1% | Added |
| State of Tennessee, Treasury Department | 59,321 | $2.50M | 0.01% | −2,000−3.3% | Reduced |
| Renaissance Group LLC | 59,298 | $2.50M | 0.10% | +3,803+6.9% | Added |
| Polen Capital Management LLC | 56,150 | $2.37M | 0.01% | +56,150 | New |
| LPL Financial LLC | 54,181 | $2.29M | 0.00% | −33,493−38.2% | Reduced |
| Scotia Capital Inc. | 52,451 | $2.21M | 0.01% | +1,237+2.4% | Added |
| Headlands Technologies LLC | 49,552 | $2.09M | 0.24% | +44,604+901.5% | Added |
| Dynamic Technology Lab Private Ltd | 49,196 | $2.08M | 0.22% | +49,196 | New |
| PEAK6 Investments LLC | 48,555 | $2.05M | 0.10% | +6,989+16.8% | Added |
| Amalgamated Bank | 48,421 | $2.04M | 0.02% | −3,938−7.5% | Reduced |
| Alberta Investment Management Corp | 47,140 | $1.99M | 0.02% | +15,992+51.3% | Added |
| Sciencast Management LP | 47,136 | $1.99M | 0.59% | +47,136 | New |
| Moody Aldrich Partners LLC | 47,059 | $1.99M | 0.36% | −3,596−7.1% | Reduced |
| Man Group plc | 45,307 | $1.91M | 0.01% | −28,601−38.7% | Reduced |
| Hillsdale Investment Management Inc. | 45,200 | $1.91M | 0.15% | −3,700−7.6% | Reduced |
| Great Lakes Advisors, LLC | 44,588 | $1.88M | 0.02% | −8,006−15.2% | Reduced |
| State of New Jersey Common Pension Fund D | 44,207 | $1.87M | 0.01% | +6,877+18.4% | Added |
| Jump Financial, LLC | 43,000 | $1.82M | 0.04% | +43,000 | New |
| B. Metzler seel. Sohn & Co. AG | 42,147 | $1.78M | 0.02% | −8,063−16.1% | Reduced |
| B. Metzler seel. Sohn & Co. Holding AG | 42,147 | $1.78M | 0.02% | +42,147 | New |
| Guggenheim Capital LLC | 40,976 | $1.73M | 0.01% | −2,298−5.3% | Reduced |
| Pacer Advisors, Inc. | 40,865 | $1.73M | 0.00% | +8,855+27.7% | Added |
| FORA Capital, LLC | 40,284 | $1.70M | 0.20% | +15,671+63.7% | Added |
| Envestnet Asset Management Inc | 39,745 | $1.68M | 0.00% | +2,320+6.2% | Added |
| Victory Capital Management Inc | 39,739 | $1.68M | 0.00% | −184,365−82.3% | Reduced |
| Yousif Capital Management, LLC | 39,600 | $1.67M | 0.02% | −5,497−12.2% | Reduced |
| ProShare Advisors LLC | 39,481 | $1.67M | 0.00% | +5,010+14.5% | Added |
| Zacks Investment Management | 39,270 | $1.66M | 0.01% | +39,270 | New |
| Chartwell Investment Partners, LLC | 38,956 | $1.65M | 0.06% | +318+0.8% | Added |
| Y-Intercept (Hong Kong) Ltd | 37,995 | $1.60M | 0.10% | +4,734+14.2% | Added |
| Cambiar Investors LLC | 37,486 | $1.58M | 0.06% | +42+0.1% | Added |
| Ensign Peak Advisors, Inc | 37,476 | $1.58M | 0.00% | 00.0% | Unchanged |
| Creative Planning | 37,267 | $1.57M | 0.00% | +10,772+40.7% | Added |
| Teacher Retirement System of Texas | 36,199 | $1.53M | 0.01% | +10,798+42.5% | Added |
| Allspring Global Investments Holdings, LLC | 36,003 | $1.52M | 0.00% | +19,903+123.6% | Added |
| Aigen Investment Management, LP | 34,897 | $1.47M | 0.29% | +34,897 | New |
| Gsa Capital Partners LLP | 33,600 | $1.42M | 0.11% | +28,340+538.8% | Added |
| Bailard, Inc. | 33,249 | $1.40M | 0.04% | +1,081+3.4% | Added |
| Ameritas Investment Partners, Inc. | 33,120 | $1.40M | 0.05% | −556−1.7% | Reduced |
| STRS Ohio | 32,600 | $1.38M | 0.01% | +4,200+14.8% | Added |
| Lazard Asset Management LLC | 32,587 | $1.38M | 0.00% | +17,607+117.5% | Added |
| Handelsbanken Fonder AB | 32,397 | $1.37M | 0.01% | +8,200+33.9% | Added |
| SG Americas Securities, LLC | 31,419 | $1.33M | 0.01% | +22,435+249.7% | Added |
| State Board of Administration of Florida Retirement System | 31,123 | $1.31M | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 31,035 | $1.31M | 0.01% | +640+2.1% | Added |
| Verition Fund Management LLC | 30,888 | $1.30M | 0.01% | +26,661+630.7% | Added |
| Nebula Research & Development LLC | 30,408 | $1.28M | 0.15% | −3,801−11.1% | Reduced |
| Pinebridge Investments, L.P. | 30,001 | $1.27M | 0.01% | +30,001 | New |
| Louisiana State Employees Retirement System | 29,800 | $1.26M | 0.02% | −700−2.3% | Reduced |
| Quantbot Technologies LP | 29,659 | $1.25M | 0.05% | +29,659 | New |
| Quest Partners LLC | 28,615 | $1.21M | 0.11% | +17,190+150.5% | Added |
| Raymond James & Associates | 28,581 | $1.21M | 0.00% | −1,234−4.1% | Reduced |
| Scientech Research LLC | 27,881 | $1.18M | 0.23% | +27,881 | New |
| Fred Alger Management, LLC | 27,275 | $1.15M | 0.01% | −28,535−51.1% | Reduced |
| Diversified Trust Co | 27,049 | $1.14M | 0.03% | +1,106+4.3% | Added |
| Linden Thomas Advisory Services, LLC | 26,498 | $1.12M | 0.15% | −198−0.7% | Reduced |
| State of Michigan Retirement System | 25,600 | $1.08M | 0.01% | −400−1.5% | Reduced |
| Thrivent Financial for Lutherans | 25,298 | $1.07M | 0.00% | −744−2.9% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 24,905 | $1.05M | 0.00% | 00.0% | Unchanged |
| Fox Run Management, L.L.C. | 24,492 | $1.03M | 0.23% | +24,492 | New |
| Northwestern Mutual Investment Management Company, LLC | 23,890 | $1.01M | 0.02% | −167−0.7% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 23,736 | $1.00M | 0.01% | −153−0.6% | Reduced |
| Cetera Investment Advisers | 23,729 | $1.00M | 0.00% | +1,961+9.0% | Added |
| ClariVest Asset Management LLC | 16,670 | $979.5K | 0.10% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 23,000 | $971.1K | 0.03% | +23,000 | New |
| Campbell Newman Asset Management Inc | 22,670 | $957.1K | 0.07% | −369−1.6% | Reduced |
| New Mexico Educational Retirement Board | 22,100 | $933.0K | 0.03% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 21,900 | $924.6K | 0.02% | −500−2.2% | Reduced |
| Natixis | 21,900 | $924.6K | 0.01% | +6,900+46.0% | Added |
| Los Angeles Capital Management LLC | 19,599 | $827.5K | 0.00% | 00.0% | Unchanged |
| Point72 (DIFC) Ltd | 18,963 | $800.6K | 0.06% | +18,963 | New |
| Federated Hermes, Inc. | 17,999 | $759.9K | 0.00% | +6,143+51.8% | Added |