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, 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 | 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, 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 |
|---|---|---|---|---|---|
| Pinebridge Investments, L.P. | 30,001 | $1.27M | 0.01% | +30,001 | New |
| Nebula Research & Development LLC | 30,408 | $1.28M | 0.15% | −3,801−11.1% | Reduced |
| Verition Fund Management LLC | 30,888 | $1.30M | 0.01% | +26,661+630.7% | Added |
| Arizona State Retirement System | 31,035 | $1.31M | 0.01% | +640+2.1% | Added |
| State Board of Administration of Florida Retirement System | 31,123 | $1.31M | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 31,419 | $1.33M | 0.01% | +22,435+249.7% | Added |
| Handelsbanken Fonder AB | 32,397 | $1.37M | 0.01% | +8,200+33.9% | Added |
| Lazard Asset Management LLC | 32,587 | $1.38M | 0.00% | +17,607+117.5% | Added |
| STRS Ohio | 32,600 | $1.38M | 0.01% | +4,200+14.8% | Added |
| Ameritas Investment Partners, Inc. | 33,120 | $1.40M | 0.05% | −556−1.7% | Reduced |
| Bailard, Inc. | 33,249 | $1.40M | 0.04% | +1,081+3.4% | Added |
| Gsa Capital Partners LLP | 33,600 | $1.42M | 0.11% | +28,340+538.8% | Added |
| Aigen Investment Management, LP | 34,897 | $1.47M | 0.29% | +34,897 | New |
| Allspring Global Investments Holdings, LLC | 36,003 | $1.52M | 0.00% | +19,903+123.6% | Added |
| Teacher Retirement System of Texas | 36,199 | $1.53M | 0.01% | +10,798+42.5% | Added |
| Creative Planning | 37,267 | $1.57M | 0.00% | +10,772+40.7% | Added |
| Ensign Peak Advisors, Inc | 37,476 | $1.58M | 0.00% | 00.0% | Unchanged |
| Cambiar Investors LLC | 37,486 | $1.58M | 0.06% | +42+0.1% | Added |
| Y-Intercept (Hong Kong) Ltd | 37,995 | $1.60M | 0.10% | +4,734+14.2% | Added |
| Chartwell Investment Partners, LLC | 38,956 | $1.65M | 0.06% | +318+0.8% | Added |
| Zacks Investment Management | 39,270 | $1.66M | 0.01% | +39,270 | New |
| ProShare Advisors LLC | 39,481 | $1.67M | 0.00% | +5,010+14.5% | Added |
| Yousif Capital Management, LLC | 39,600 | $1.67M | 0.02% | −5,497−12.2% | Reduced |
| Victory Capital Management Inc | 39,739 | $1.68M | 0.00% | −184,365−82.3% | Reduced |
| Envestnet Asset Management Inc | 39,745 | $1.68M | 0.00% | +2,320+6.2% | Added |
| FORA Capital, LLC | 40,284 | $1.70M | 0.20% | +15,671+63.7% | Added |
| Pacer Advisors, Inc. | 40,865 | $1.73M | 0.00% | +8,855+27.7% | Added |
| Guggenheim Capital LLC | 40,976 | $1.73M | 0.01% | −2,298−5.3% | Reduced |
| 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 |
| Jump Financial, LLC | 43,000 | $1.82M | 0.04% | +43,000 | New |
| State of New Jersey Common Pension Fund D | 44,207 | $1.87M | 0.01% | +6,877+18.4% | Added |
| Great Lakes Advisors, LLC | 44,588 | $1.88M | 0.02% | −8,006−15.2% | Reduced |
| Hillsdale Investment Management Inc. | 45,200 | $1.91M | 0.15% | −3,700−7.6% | Reduced |
| Man Group plc | 45,307 | $1.91M | 0.01% | −28,601−38.7% | Reduced |
| Moody Aldrich Partners LLC | 47,059 | $1.99M | 0.36% | −3,596−7.1% | Reduced |
| Sciencast Management LP | 47,136 | $1.99M | 0.59% | +47,136 | New |
| Alberta Investment Management Corp | 47,140 | $1.99M | 0.02% | +15,992+51.3% | Added |
| Amalgamated Bank | 48,421 | $2.04M | 0.02% | −3,938−7.5% | Reduced |
| PEAK6 Investments LLC | 48,555 | $2.05M | 0.10% | +6,989+16.8% | Added |
| Dynamic Technology Lab Private Ltd | 49,196 | $2.08M | 0.22% | +49,196 | New |
| Headlands Technologies LLC | 49,552 | $2.09M | 0.24% | +44,604+901.5% | Added |
| Scotia Capital Inc. | 52,451 | $2.21M | 0.01% | +1,237+2.4% | Added |
| LPL Financial LLC | 54,181 | $2.29M | 0.00% | −33,493−38.2% | Reduced |
| Polen Capital Management LLC | 56,150 | $2.37M | 0.01% | +56,150 | New |
| Renaissance Group LLC | 59,298 | $2.50M | 0.10% | +3,803+6.9% | Added |
| State of Tennessee, Treasury Department | 59,321 | $2.50M | 0.01% | −2,000−3.3% | Reduced |
| Gotham Asset Management, LLC | 60,558 | $2.56M | 0.03% | +31,875+111.1% | Added |
| Bridgewater Associates, LP | 61,148 | $2.58M | 0.01% | +56,259+1,150.7% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 62,599 | $2.64M | 0.50% | +62,599 | New |
| Harbor Capital Advisors, Inc. | 62,645 | $2.65M | 0.11% | +43,706+230.8% | Added |
| FMR LLC | 62,730 | $2.65M | 0.00% | −667,598−91.4% | Reduced |
| Teachers Retirement System of the State of Kentucky | 63,922 | $2.70M | 0.02% | +3,775+6.3% | Added |
| Vident Advisory, LLC | 66,028 | $2.79M | 0.07% | −3,008−4.4% | Reduced |
| Jackson Square Partners, LLC | 66,267 | $2.80M | 0.24% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 67,108 | $2.83M | 0.14% | +58,126+647.1% | Added |
| Point72 Asset Management, L.P. | 67,587 | $2.85M | 0.01% | +67,587 | New |
| Rice Hall James & Associates, LLC | 68,243 | $2.88M | 0.16% | +15,148+28.5% | Added |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 68,400 | $2.89M | 1.11% | 00.0% | Unchanged |
| Walleye Capital LLC | 68,493 | $2.89M | 0.03% | −84,665−55.3% | Reduced |
| Thornburg Investment Management Inc | 69,048 | $2.92M | 0.04% | −11,225−14.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 69,618 | $2.94M | 0.02% | −98,012−58.5% | Reduced |
| Allianz Asset Management GmbH | 71,057 | $3.00M | 0.00% | +10,529+17.4% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 73,302 | $3.09M | 0.00% | +22,532+44.4% | Added |
| Qsemble Capital Management, LP | 74,910 | $3.16M | 0.58% | +74,910 | New |
| Wells Fargo & Company | 76,381 | $3.22M | 0.00% | −49,668−39.4% | Reduced |
| Van Eck Associates Corp | 81,441 | $3.37M | 0.00% | +27,860+52.0% | Added |
| New York State Teachers Retirement System | 80,250 | $3.39M | 0.01% | +5,169+6.9% | Added |
| UBS Group AG | 80,347 | $3.39M | 0.00% | −105,031−56.7% | Reduced |
| Centiva Capital, LP | 83,915 | $3.54M | 0.16% | +83,915 | New |
| State of Wisconsin Investment Board | 88,171 | $3.72M | 0.01% | +6,272+7.7% | Added |
| Twin Tree Management, LP | 90,245 | $3.81M | 0.09% | +90,245 | New |
| Intech Investment Management LLC | 91,159 | $3.85M | 0.04% | +91,159 | New |
| Primecap Management Co | 94,500 | $3.99M | 0.00% | −9,100−8.8% | Reduced |
| Great West Life Assurance Co | 95,530 | $4.03M | 0.01% | +6,455+7.2% | Added |
| Assetmark, Inc | 98,738 | $4.17M | 0.01% | +10,355+11.7% | Added |
| Comerica Bank | 99,010 | $4.18M | 0.02% | +19,545+24.6% | Added |
| Deutsche Bank AG | 99,204 | $4.19M | 0.00% | +37,632+61.1% | Added |
| Captrust Financial Advisors | 101,166 | $4.27M | 0.01% | −994,228−90.8% | Reduced |
| California State Teachers Retirement System | 102,031 | $4.31M | 0.01% | −4,047−3.8% | Reduced |
| Granahan Investment Management Inc | 106,926 | $4.51M | 0.18% | +20,496+23.7% | Added |
| Weiss Asset Management LP | 110,740 | $4.68M | 0.12% | +55,313+99.8% | Added |
| HSBC Holdings PLC | 111,281 | $4.69M | 0.00% | +78,673+241.3% | Added |
| Citigroup Inc | 112,915 | $4.77M | 0.00% | −564,655−83.3% | Reduced |
| MetLife Investment Management | 116,534 | $4.92M | 0.03% | −1,057−0.9% | Reduced |
| Tudor Investment Corp Et Al | 117,146 | $4.95M | 0.05% | +117,146 | New |
| Manufacturers Life Insurance Company, The | 127,159 | $5.37M | 0.00% | −4,486−3.4% | Reduced |
| Retirement Systems of Alabama | 130,806 | $5.52M | 0.02% | −2,221−1.7% | Reduced |
| Twinbeech Capital LP | 132,924 | $5.61M | 0.11% | +132,924 | New |
| BNP Paribas Arbitrage, SA | 134,900 | $5.70M | 0.01% | −60,240−30.9% | Reduced |
| Seven Eight Capital, LP | 137,817 | $5.82M | 0.52% | +118,968+631.2% | Added |
| Russell Investments Group, Ltd. | 138,715 | $5.86M | 0.01% | +79,486+134.2% | Added |
| Barington Capital Group, L.P. | 145,100 | $6.13M | 6.48% | +15,000+11.5% | Added |
| Mutual of America Capital Management LLC | 148,120 | $6.25M | 0.07% | +37,018+33.3% | Added |
| DekaBank Deutsche Girozentrale | 154,173 | $6.44M | 0.01% | 00.0% | Unchanged |
| Stephens Investment Management Group LLC | 156,877 | $6.62M | 0.09% | −27,245−14.8% | Reduced |
| New York State Common Retirement Fund | 159,800 | $6.75M | 0.01% | −113,182−41.5% | Reduced |
| Susquehanna International Group, LLP | 166,399 | $7.03M | 0.01% | +98,276+144.3% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 171,788 | $7.25M | 0.02% | −3,267−1.9% | Reduced |
| Public Employees Retirement System of Ohio | 172,534 | $7.28M | 0.03% | +43,351+33.6% | Added |