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, Q2 2024
Institutional positions in Rambus Inc as of Jun 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
- 363
- −9 vs. Q1 2024
- Shares held
- 96.1M
- −1.02M (−1.1%) vs. Q1 2024
- Total value
- $5.64B
- −$342.9M (−5.7%) vs. Q1 2024
- New holders
- 53
- 123 more added
- Sold out
- 62
- 149 more reduced
3 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2024
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 15,786,205 | $927.6M | 0.02% | +345,248+2.2% | Added |
| Vanguard Group Inc | 11,789,178 | $692.7M | 0.01% | +138,064+1.2% | Added |
| JPMorgan Chase & Co | 6,594,469 | $387.5M | 0.03% | +89,920+1.4% | Added |
| Wellington Management Group LLP | 6,203,098 | $364.5M | 0.07% | +2,085,410+50.6% | Added |
| State Street Corp | 4,654,295 | $273.5M | 0.01% | +217,779+4.9% | Added |
| Geode Capital Management, LLC | 2,600,289 | $152.8M | 0.01% | +109,768+4.4% | Added |
| Bank of New York Mellon Corp | 2,237,267 | $131.5M | 0.02% | −70,531−3.1% | Reduced |
| Hood River Capital Management LLC | 2,165,548 | $127.2M | 2.64% | +116,976+5.7% | Added |
| Neuberger Berman Group LLC | 1,882,938 | $110.6M | 0.09% | −1,628,192−46.4% | Reduced |
| Dimensional Fund Advisors LP | 1,798,485 | $105.7M | 0.03% | +158,259+9.6% | Added |
| Invesco Ltd. | 1,721,282 | $101.1M | 0.02% | +298,542+21.0% | Added |
| Swedbank AB | 1,549,850 | $91.1M | 0.12% | +556,850+56.1% | Added |
| Northern Trust Corp | 1,296,254 | $76.2M | 0.01% | −151,069−10.4% | Reduced |
| Norges Bank | 1,286,532 | $75.6M | 0.01% | +23,326+1.8% | Added |
| Charles Schwab Investment Management Inc | 1,251,427 | $73.5M | 0.01% | +40,930+3.4% | Added |
| Nuveen Asset Management, LLC | 1,236,278 | $72.6M | 0.02% | −372,508−23.2% | Reduced |
| Vaughan Nelson Investment Management, L.P. | 1,105,772 | $65.0M | 0.60% | +166,090+17.7% | Added |
| Captrust Financial Advisors | 1,095,394 | $64.4M | 0.21% | −163,582−13.0% | Reduced |
| Price T Rowe Associates Inc | 1,064,297 | $62.5M | 0.01% | +7,947+0.8% | Added |
| American Century Companies Inc | 1,053,377 | $61.9M | 0.04% | +410,332+63.8% | Added |
| Goldman Sachs Group Inc | 919,387 | $54.0M | 0.01% | −248,772−21.3% | Reduced |
| Rafferty Asset Management, LLC | 871,309 | $51.2M | 0.19% | −86,038−9.0% | Reduced |
| Bank of America Corp | 847,538 | $49.8M | 0.00% | −135,779−13.8% | Reduced |
| Voya Investment Management LLC | 833,672 | $49.0M | 0.05% | +21,986+2.7% | Added |
| Morgan Stanley | 826,232 | $48.5M | 0.00% | +10,089+1.2% | Added |
| Ameriprise Financial Inc | 788,322 | $46.3M | 0.01% | −844,776−51.7% | Reduced |
| FMR LLC | 730,328 | $42.9M | 0.00% | −182,890−20.0% | Reduced |
| Eagle Asset Management Inc | 715,605 | $41.5M | 0.22% | −96,922−11.9% | Reduced |
| Citigroup Inc | 677,570 | $39.8M | 0.04% | +144,654+27.1% | Added |
| AQR Capital Management LLC | 572,930 | $33.1M | 0.05% | +486,078+559.7% | Added |
| Macquarie Group Ltd | 550,541 | $32.4M | 0.04% | −65,562−10.6% | Reduced |
| Silvercrest Asset Management Group LLC | 548,211 | $32.2M | 0.22% | +37,693+7.4% | Added |
| Westfield Capital Management Co LP | 545,740 | $32.1M | 0.16% | +217,687+66.4% | Added |
| Barclays PLC | 514,657 | $30.2M | 0.01% | −152,517−22.9% | Reduced |
| Westwood Holdings Group Inc. | 482,756 | $28.4M | 0.13% | +43,275+9.8% | Added |
| Artisan Partners Limited Partnership | 469,442 | $27.6M | 0.04% | −2,726−0.6% | Reduced |
| Loomis Sayles & Co L P | 440,253 | $25.9M | 0.04% | −396,713−47.4% | Reduced |
| Panagora Asset Management Inc | 429,292 | $25.2M | 0.13% | +41,614+10.7% | Added |
| Principal Financial Group Inc | 424,383 | $24.9M | 0.01% | −119,162−21.9% | Reduced |
| Emerald Advisers, LLC | 394,961 | $23.2M | 0.97% | +30,297+8.3% | Added |
| Franklin Resources Inc | 385,322 | $22.6M | 0.01% | −78,474−16.9% | Reduced |
| WCM Investment Management, LLC | 363,656 | $20.6M | 0.05% | +4,909+1.4% | Added |
| Rhumbline Advisers | 340,637 | $20.0M | 0.02% | +5,360+1.6% | Added |
| Axiom Investors LLC | 314,864 | $18.5M | 0.16% | −2,902−0.9% | Reduced |
| Emerald Mutual Fund Advisers Trust | 306,695 | $18.0M | 0.94% | +35,265+13.0% | Added |
| Assenagon Asset Management S.A. | 288,363 | $16.9M | 0.04% | +229,066+386.3% | Added |
| Mesirow Institutional Investment Management, Inc. | 285,260 | $16.8M | 1.47% | +2,457+0.9% | Added |
| SEI Investments Co | 284,942 | $16.7M | 0.02% | +94,462+49.6% | Added |
| Lord, Abbett & Co. LLC | 284,896 | $16.7M | 0.05% | −476,577−62.6% | Reduced |
| Prudential Financial Inc | 283,409 | $16.7M | 0.03% | +226,757+400.3% | Added |
| New York State Common Retirement Fund | 272,982 | $16.0M | 0.02% | −2,513−0.9% | Reduced |
| Alliancebernstein L.P. | 258,379 | $15.2M | 0.01% | −9,638−3.6% | Reduced |
| UBS Asset Management Americas Inc | 240,247 | $14.1M | 0.00% | +112,104+87.5% | Added |
| Two Sigma Investments, LP | 238,047 | $14.0M | 0.03% | +222,214+1,403.5% | Added |
| Glenmede Trust Co NA | 236,002 | $13.9M | 0.07% | +1,794+0.8% | Added |
| Victory Capital Management Inc | 224,104 | $13.2M | 0.01% | −2,489−1.1% | Reduced |
| Natixis Advisors, L.P. | 223,027 | $13.1M | 0.03% | +14,093+6.7% | Added |
| Legal & General Group Plc | 220,812 | $13.0M | 0.00% | −26,084−10.6% | Reduced |
| Royal Bank of Canada | 215,220 | $12.6M | 0.00% | +50,101+30.3% | Added |
| Swiss National Bank | 213,600 | $12.6M | 0.01% | +1,400+0.7% | Added |
| Two Sigma Advisers, LP | 206,700 | $12.1M | 0.03% | +147,800+250.9% | Added |
| Penn Capital Management Co Inc | 205,964 | $12.1M | 1.15% | −4,221−2.0% | Reduced |
| Capital Fund Management S.A. | 203,228 | $11.9M | 0.14% | +102,196+101.2% | Added |
| Royce & Associates LP | 197,271 | $11.6M | 0.11% | +2,467+1.3% | Added |
| BNP Paribas Arbitrage, SA | 195,140 | $11.5M | 0.01% | −169,143−46.4% | Reduced |
| Corebridge Financial, Inc. | 194,067 | $11.4M | 0.06% | +194,067 | New |
| HighTower Advisors, LLC | 190,325 | $11.2M | 0.02% | −448−0.2% | Reduced |
| California Public Employees Retirement System | 186,262 | $10.9M | 0.01% | −3,525−1.9% | Reduced |
| UBS Group AG | 185,378 | $10.9M | 0.00% | −242,622−56.7% | Reduced |
| Stephens Investment Management Group LLC | 184,122 | $10.8M | 0.15% | −8,288−4.3% | Reduced |
| First Trust Advisors LP | 177,596 | $10.4M | 0.01% | −56,696−24.2% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 175,055 | $10.3M | 0.02% | +175,055 | New |
| Schonfeld Strategic Advisors LLC | 167,630 | $9.85M | 0.08% | −116,957−41.1% | Reduced |
| Walleye Capital LLC | 153,158 | $9.00M | 0.09% | +27,023+21.4% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 152,610 | $8.97M | 0.03% | +146,660+2,464.9% | Added |
| Mirae Asset Global Investments Co., Ltd. | 154,712 | $8.76M | 0.04% | −216,409−58.3% | Reduced |
| DekaBank Deutsche Girozentrale | 154,173 | $8.72M | 0.02% | 00.0% | Unchanged |
| Jane Street Group, LLC | 136,011 | $7.99M | 0.01% | +70,079+106.3% | Added |
| Retirement Systems of Alabama | 133,027 | $7.82M | 0.03% | −1,978−1.5% | Reduced |
| Manufacturers Life Insurance Company, The | 131,645 | $7.74M | 0.01% | +570.0% | Added |
| Crestline Management, LP | 131,019 | $7.70M | 0.60% | −34,685−20.9% | Reduced |
| Barington Capital Group, L.P. | 130,100 | $7.64M | 8.75% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 129,183 | $7.59M | 0.03% | +124,077+2,430.0% | Added |
| Varma Mutual Pension Insurance Co | 126,800 | $7.45M | 0.06% | −139,200−52.3% | Reduced |
| Wells Fargo & Company | 126,049 | $7.41M | 0.00% | −2,438−1.9% | Reduced |
| Apis Capital Advisors, LLC | 120,000 | $7.05M | 5.20% | +62,000+106.9% | Added |
| MetLife Investment Management | 117,591 | $6.91M | 0.04% | +5,634+5.0% | Added |
| Mutual of America Capital Management LLC | 111,102 | $6.53M | 0.07% | −4,488−3.9% | Reduced |
| Trexquant Investment LP | 106,965 | $6.29M | 0.10% | +23,234+27.7% | Added |
| California State Teachers Retirement System | 106,078 | $6.23M | 0.01% | −1,675−1.6% | Reduced |
| Primecap Management Co | 103,600 | $6.09M | 0.00% | −24,600−19.2% | Reduced |
| Algert Global LLC | 97,993 | $5.76M | 0.19% | +60,733+163.0% | Added |
| Great West Life Assurance Co | 89,075 | $5.23M | 0.01% | −1,266−1.4% | Reduced |
| Assetmark, Inc | 88,383 | $5.19M | 0.02% | −82,360−48.2% | Reduced |
| LPL Financial LLC | 87,674 | $5.15M | 0.00% | −7,193−7.6% | Reduced |
| Granahan Investment Management Inc | 86,430 | $5.08M | 0.20% | +86,430 | New |
| State of Wisconsin Investment Board | 81,899 | $4.81M | 0.01% | −20,134−19.7% | Reduced |
| Thornburg Investment Management Inc | 80,273 | $4.72M | 0.07% | 00.0% | Unchanged |
| Comerica Bank | 79,465 | $4.67M | 0.02% | +10,070+14.5% | Added |
| Stifel Financial Corp | 78,486 | $4.61M | 0.01% | −3,663−4.5% | Reduced |