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 2021
Institutional positions in Rambus Inc as of Jun 30, 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
- 219
- +6 vs. Q1 2021
- Shares held
- 97.1M
- +1.31M (+1.4%) vs. Q1 2021
- Total value
- $2.30B
- +$439.4M (+23.6%) vs. Q1 2021
- New holders
- 37
- 74 more added
- Sold out
- 31
- 68 more reduced
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 17,936,510 | $425.3M | 0.01% | −444,690−2.4% | Reduced |
| Vanguard Group Inc | 12,208,922 | $289.5M | 0.01% | +224,767+1.9% | Added |
| Lynrock Lake LP | 7,666,666 | $181.8M | 12.51% | +1,095,521+16.7% | Added |
| Ameriprise Financial Inc | 5,183,596 | $122.9M | 0.04% | +98,773+1.9% | Added |
| State Street Corp | 4,769,627 | $113.1M | 0.01% | −32,720−0.7% | Reduced |
| Neuberger Berman Group LLC | 4,057,563 | $95.5M | 0.08% | −161,182−3.8% | Reduced |
| Dimensional Fund Advisors LP | 3,785,141 | $89.7M | 0.03% | −141,582−3.6% | Reduced |
| Loomis Sayles & Co L P | 3,083,840 | $73.1M | 0.09% | +505,189+19.6% | Added |
| Silvercrest Asset Management Group LLC | 2,452,706 | $58.2M | 0.38% | −70,116−2.8% | Reduced |
| Wellington Management Group LLP | 2,438,799 | $57.8M | 0.01% | +168,008+7.4% | Added |
| Nuveen Asset Management, LLC | 2,108,505 | $50.0M | 0.01% | −41,381−1.9% | Reduced |
| Geode Capital Management, LLC | 1,964,039 | $46.6M | 0.01% | +72,634+3.8% | Added |
| Northern Trust Corp | 1,713,911 | $40.6M | 0.01% | +12,010+0.7% | Added |
| D. E. Shaw & Co., Inc. | 1,378,624 | $32.7M | 0.04% | +104,672+8.2% | Added |
| Norges Bank | 1,284,696 | $30.5M | 0.01% | −57,137−4.3% | Reduced |
| Bank of New York Mellon Corp | 1,087,557 | $25.8M | 0.00% | −35,959−3.2% | Reduced |
| Invesco Ltd. | 988,078 | $23.4M | 0.01% | −78,902−7.4% | Reduced |
| Renaissance Technologies LLC | 969,060 | $23.0M | 0.03% | −555,900−36.5% | Reduced |
| JPMorgan Chase & Co | 896,166 | $21.2M | 0.00% | +50,806+6.0% | Added |
| Principal Financial Group Inc | 790,912 | $18.8M | 0.01% | +11,510+1.5% | Added |
| Charles Schwab Investment Management Inc | 780,009 | $18.5M | 0.01% | +13,065+1.7% | Added |
| Lord, Abbett & Co. LLC | 776,564 | $18.4M | 0.04% | −73,939−8.7% | Reduced |
| Shannon River Fund Management LLC | 737,973 | $17.5M | 1.41% | +737,973 | New |
| Two Sigma Advisers, LP | 728,785 | $17.3M | 0.05% | +66,500+10.0% | Added |
| Heard Capital LLC | 709,650 | $16.8M | 3.83% | +65,975+10.2% | Added |
| Shelter Haven Capital Management, L.P. | 599,302 | $14.2M | 5.08% | +599,302 | New |
| Schonfeld Strategic Advisors LLC | 566,786 | $13.4M | 0.15% | −162,314−22.3% | Reduced |
| Russell Investments Group, Ltd. | 550,215 | $13.0M | 0.02% | +424,254+336.8% | Added |
| MESIROW FINANCIAL INVESTMENT MANAGEMENT - Equity & Fixed Income | 537,236 | $12.7M | 1.42% | −8,860−1.6% | Reduced |
| Barington Capital Group, L.P. | 530,100 | $12.6M | 11.72% | 00.0% | Unchanged |
| Morgan Stanley | 478,629 | $11.3M | 0.00% | +118,665+33.0% | Added |
| Credit Suisse AG | 477,894 | $11.3M | 0.01% | −17,585−3.5% | Reduced |
| black-and-white Capital LP | 442,800 | $10.5M | 1.83% | +176,300+66.2% | Added |
| New York State Common Retirement Fund | 411,498 | $9.76M | 0.01% | −8,341−2.0% | Reduced |
| Parametric Portfolio Associates LLC | 395,407 | $9.38M | 0.01% | +84,708+27.3% | Added |
| Assenagon Asset Management S.A. | 383,488 | $9.09M | 0.04% | −134,320−25.9% | Reduced |
| Penn Capital Management Co Inc | 367,577 | $8.71M | 0.85% | −1,624−0.4% | Reduced |
| Rhumbline Advisers | 360,371 | $8.54M | 0.01% | −13,046−3.5% | Reduced |
| Two Sigma Investments, LP | 354,103 | $8.40M | 0.02% | +76,164+27.4% | Added |
| Epoch Investment Partners, Inc. | 335,771 | $7.96M | 0.04% | +335,771 | New |
| Goldman Sachs Group Inc | 324,943 | $7.71M | 0.00% | −296,663−47.7% | Reduced |
| AXA S.A. | 315,100 | $7.47M | 0.02% | −76,400−19.5% | Reduced |
| Millennium Management LLC | 303,213 | $7.19M | 0.01% | +277,543+1,081.2% | Added |
| Primecap Management Co | 295,289 | $7.00M | 0.00% | −22,759−7.2% | Reduced |
| Barclays PLC | 294,549 | $6.98M | 0.01% | −87,024−22.8% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 294,341 | $6.98M | 0.02% | +16,848+6.1% | Added |
| Legal & General Group Plc | 293,786 | $6.97M | 0.00% | −74,340−20.2% | Reduced |
| Royal Bank of Canada | 270,329 | $6.41M | 0.00% | +8,013+3.1% | Added |
| Swiss National Bank | 251,100 | $5.95M | 0.00% | −9,200−3.5% | Reduced |
| Glenmede Trust Co NA | 244,294 | $5.79M | 0.03% | +244,294 | New |
| Public Sector Pension Investment Board | 233,812 | $5.54M | 0.03% | +230.0% | Added |
| Putnam Investments LLC | 188,700 | $4.47M | 0.01% | +5,900+3.2% | Added |
| Alexandria Capital, LLC | 180,000 | $4.27M | 0.40% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 176,728 | $4.19M | 0.00% | +17,260+10.8% | Added |
| EAM Investors, LLC | 165,359 | $3.92M | 0.61% | +165,359 | New |
| LPL Financial LLC | 164,348 | $3.90M | 0.00% | +4,881+3.1% | Added |
| Wells Fargo & Company | 162,655 | $3.86M | 0.00% | −17,416−9.7% | Reduced |
| BNP Paribas Arbitrage, SA | 159,114 | $3.77M | 0.01% | +101,990+178.5% | Added |
| Susquehanna International Group, LLP | 155,868 | $3.70M | 0.00% | +80,110+105.7% | Added |
| California State Teachers Retirement System | 154,436 | $3.66M | 0.00% | −16,644−9.7% | Reduced |
| Verition Fund Management LLC | 150,000 | $3.56M | 0.05% | +150,000 | New |
| Cambiar Investors LLC | 148,798 | $3.53M | 0.11% | +2,994+2.1% | Added |
| Pacer Advisors, Inc. | 147,708 | $3.50M | 0.05% | +57,693+64.1% | Added |
| Crestline Management, LP | 136,603 | $3.24M | 0.28% | +136,603 | New |
| Bank of America Corp | 135,927 | $3.22M | 0.00% | −223,919−62.2% | Reduced |
| State of New Jersey Common Pension Fund D | 135,052 | $3.20M | 0.01% | +15,434+12.9% | Added |
| ExodusPoint Capital Management, LP | 133,773 | $3.17M | 0.05% | +116,667+682.0% | Added |
| UBS Asset Management Americas Inc | 133,122 | $3.16M | 0.00% | +5,819+4.6% | Added |
| Schroder Investment Management Group | 129,024 | $3.06M | 0.00% | +84,386+189.0% | Added |
| Prudential Financial Inc | 122,712 | $2.91M | 0.00% | −6,222−4.8% | Reduced |
| Deutsche Bank AG | 120,333 | $2.85M | 0.00% | −52,342−30.3% | Reduced |
| Citigroup Inc | 109,083 | $2.59M | 0.00% | +57,776+112.6% | Added |
| Comerica Bank | 105,536 | $2.47M | 0.01% | −7,588−6.7% | Reduced |
| Ensign Peak Advisors, Inc | 102,357 | $2.43M | 0.00% | 00.0% | Unchanged |
| EAM Global Investors LLC | 101,134 | $2.40M | 0.66% | +101,134 | New |
| Great West Life Assurance Co | 96,830 | $2.30M | 0.01% | +424+0.4% | Added |
| Hodges Capital Management Inc. | 96,520 | $2.29M | 0.26% | +96,520 | New |
| State of Tennessee, Treasury Department | 93,716 | $2.22M | 0.01% | +28,810+44.4% | Added |
| Thrivent Financial for Lutherans | 91,973 | $2.18M | 0.00% | +191+0.2% | Added |
| First Trust Advisors LP | 91,284 | $2.16M | 0.00% | +320+0.4% | Added |
| Stifel Financial Corp | 89,748 | $2.13M | 0.00% | +3,566+4.1% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 86,338 | $2.05M | 0.02% | +172+0.2% | Added |
| Texas Permanent School Fund | 83,842 | $1.99M | 0.02% | +369+0.4% | Added |
| Ziegler Capital Management, LLC | 82,572 | $1.96M | 0.07% | +768+0.9% | Added |
| State of Alaska, Department of Revenue | 77,822 | $1.84M | 0.02% | +2,190+2.9% | Added |
| SEI Investments Co | 76,946 | $1.82M | 0.00% | +57,468+295.0% | Added |
| Cubist Systematic Strategies, LLC | 76,609 | $1.82M | 0.02% | +52,745+221.0% | Added |
| State Board of Administration of Florida Retirement System | 76,164 | $1.81M | 0.00% | +14,292+23.1% | Added |
| Voya Investment Management LLC | 74,575 | $1.77M | 0.00% | −21,178−22.1% | Reduced |
| American International Group, Inc. | 72,820 | $1.73M | 0.01% | −2,568−3.4% | Reduced |
| AQR Capital Management LLC | 71,904 | $1.71M | 0.00% | +2,719+3.9% | Added |
| Manufacturers Life Insurance Company, The | 63,115 | $1.50M | 0.00% | −668−1.0% | Reduced |
| Victory Capital Management Inc | 62,603 | $1.48M | 0.00% | −7,209−10.3% | Reduced |
| Los Angeles Capital Management LLC | 58,760 | $1.39M | 0.01% | −58,251−49.8% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 58,500 | $1.39M | 0.01% | −31,400−34.9% | Reduced |
| STRS Ohio | 56,700 | $1.34M | 0.00% | −2,100−3.6% | Reduced |
| New York State Teachers Retirement System | 56,179 | $1.33M | 0.00% | −100−0.2% | Reduced |
| Amalgamated Bank | 54,482 | $1.29M | 0.01% | +44,346+437.5% | Added |
| Truist Financial Corp | 54,292 | $1.29M | 0.00% | 00.0% | Unchanged |
| Louisiana State Employees Retirement System | 50,700 | $1.20M | 0.03% | −100−0.2% | Reduced |