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 |
|---|---|---|---|---|---|
| Boothbay Fund Management, LLC | 25,690 | $609.0K | 0.03% | −107,557−80.7% | Reduced |
| Handelsbanken Fonder AB | 26,297 | $624.0K | 0.00% | +9,900+60.4% | Added |
| Price T Rowe Associates Inc | 27,975 | $663.0K | 0.00% | +1,908+7.3% | Added |
| Winton Group Ltd | 30,677 | $727.0K | 0.04% | +2,744+9.8% | Added |
| Arizona State Retirement System | 30,967 | $734.0K | 0.01% | −2,196−6.6% | Reduced |
| ETF Managers Group, LLC | 30,906 | $737.0K | 0.01% | −11,263−26.7% | Reduced |
| Metropolitan Life Insurance Co | 31,432 | $745.3K | 0.01% | +2,098+7.2% | Added |
| ProShare Advisors LLC | 32,137 | $762.0K | 0.00% | −1,471−4.4% | Reduced |
| Virginia Retirement Systems Et Al | 32,200 | $763.0K | 0.01% | −9,000−21.8% | Reduced |
| Teachers Retirement System of the State of Kentucky | 32,312 | $766.0K | 0.01% | 00.0% | Unchanged |
| Royce & Associates LP | 36,981 | $877.0K | 0.01% | −8,985−19.5% | Reduced |
| HRT Financial LP | 37,036 | $878.0K | 0.01% | +37,036 | New |
| MetLife Investment Management | 37,951 | $899.8K | 0.01% | 00.0% | Unchanged |
| Bank of Montreal | 37,949 | $906.0K | 0.00% | −245,039−86.6% | Reduced |
| Boston Partners | 38,639 | $916.0K | 0.00% | +38,639 | New |
| Guggenheim Capital LLC | 43,698 | $1.04M | 0.01% | +43,698 | New |
| Oregon Public Employees Retirement Fund | 45,562 | $1.08M | 0.01% | −1,044−2.2% | Reduced |
| Jane Street Group, LLC | 45,957 | $1.09M | 0.00% | +20,213+78.5% | Added |
| Richard Bernstein Advisors LLC | 49,951 | $1.18M | 0.02% | 00.0% | Unchanged |
| Louisiana State Employees Retirement System | 50,700 | $1.20M | 0.03% | −100−0.2% | Reduced |
| Truist Financial Corp | 54,292 | $1.29M | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 54,482 | $1.29M | 0.01% | +44,346+437.5% | Added |
| New York State Teachers Retirement System | 56,179 | $1.33M | 0.00% | −100−0.2% | Reduced |
| STRS Ohio | 56,700 | $1.34M | 0.00% | −2,100−3.6% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 58,500 | $1.39M | 0.01% | −31,400−34.9% | Reduced |
| Los Angeles Capital Management LLC | 58,760 | $1.39M | 0.01% | −58,251−49.8% | Reduced |
| Victory Capital Management Inc | 62,603 | $1.48M | 0.00% | −7,209−10.3% | Reduced |
| Manufacturers Life Insurance Company, The | 63,115 | $1.50M | 0.00% | −668−1.0% | Reduced |
| AQR Capital Management LLC | 71,904 | $1.71M | 0.00% | +2,719+3.9% | Added |
| American International Group, Inc. | 72,820 | $1.73M | 0.01% | −2,568−3.4% | Reduced |
| Voya Investment Management LLC | 74,575 | $1.77M | 0.00% | −21,178−22.1% | Reduced |
| State Board of Administration of Florida Retirement System | 76,164 | $1.81M | 0.00% | +14,292+23.1% | Added |
| Cubist Systematic Strategies, LLC | 76,609 | $1.82M | 0.02% | +52,745+221.0% | Added |
| SEI Investments Co | 76,946 | $1.82M | 0.00% | +57,468+295.0% | Added |
| State of Alaska, Department of Revenue | 77,822 | $1.84M | 0.02% | +2,190+2.9% | Added |
| Ziegler Capital Management, LLC | 82,572 | $1.96M | 0.07% | +768+0.9% | Added |
| Texas Permanent School Fund | 83,842 | $1.99M | 0.02% | +369+0.4% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 86,338 | $2.05M | 0.02% | +172+0.2% | Added |
| Stifel Financial Corp | 89,748 | $2.13M | 0.00% | +3,566+4.1% | Added |
| First Trust Advisors LP | 91,284 | $2.16M | 0.00% | +320+0.4% | Added |
| Thrivent Financial for Lutherans | 91,973 | $2.18M | 0.00% | +191+0.2% | Added |
| State of Tennessee, Treasury Department | 93,716 | $2.22M | 0.01% | +28,810+44.4% | Added |
| Hodges Capital Management Inc. | 96,520 | $2.29M | 0.26% | +96,520 | New |
| Great West Life Assurance Co | 96,830 | $2.30M | 0.01% | +424+0.4% | Added |
| EAM Global Investors LLC | 101,134 | $2.40M | 0.66% | +101,134 | New |
| Ensign Peak Advisors, Inc | 102,357 | $2.43M | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 105,536 | $2.47M | 0.01% | −7,588−6.7% | Reduced |
| Citigroup Inc | 109,083 | $2.59M | 0.00% | +57,776+112.6% | Added |
| Deutsche Bank AG | 120,333 | $2.85M | 0.00% | −52,342−30.3% | Reduced |
| Prudential Financial Inc | 122,712 | $2.91M | 0.00% | −6,222−4.8% | Reduced |
| Schroder Investment Management Group | 129,024 | $3.06M | 0.00% | +84,386+189.0% | Added |
| UBS Asset Management Americas Inc | 133,122 | $3.16M | 0.00% | +5,819+4.6% | Added |
| ExodusPoint Capital Management, LP | 133,773 | $3.17M | 0.05% | +116,667+682.0% | Added |
| State of New Jersey Common Pension Fund D | 135,052 | $3.20M | 0.01% | +15,434+12.9% | Added |
| Bank of America Corp | 135,927 | $3.22M | 0.00% | −223,919−62.2% | Reduced |
| Crestline Management, LP | 136,603 | $3.24M | 0.28% | +136,603 | New |
| Pacer Advisors, Inc. | 147,708 | $3.50M | 0.05% | +57,693+64.1% | Added |
| Cambiar Investors LLC | 148,798 | $3.53M | 0.11% | +2,994+2.1% | Added |
| Verition Fund Management LLC | 150,000 | $3.56M | 0.05% | +150,000 | New |
| California State Teachers Retirement System | 154,436 | $3.66M | 0.00% | −16,644−9.7% | Reduced |
| Susquehanna International Group, LLP | 155,868 | $3.70M | 0.00% | +80,110+105.7% | Added |
| BNP Paribas Arbitrage, SA | 159,114 | $3.77M | 0.01% | +101,990+178.5% | Added |
| Wells Fargo & Company | 162,655 | $3.86M | 0.00% | −17,416−9.7% | Reduced |
| LPL Financial LLC | 164,348 | $3.90M | 0.00% | +4,881+3.1% | Added |
| EAM Investors, LLC | 165,359 | $3.92M | 0.61% | +165,359 | New |
| Alliancebernstein L.P. | 176,728 | $4.19M | 0.00% | +17,260+10.8% | Added |
| Alexandria Capital, LLC | 180,000 | $4.27M | 0.40% | 00.0% | Unchanged |
| Putnam Investments LLC | 188,700 | $4.47M | 0.01% | +5,900+3.2% | Added |
| Public Sector Pension Investment Board | 233,812 | $5.54M | 0.03% | +230.0% | Added |
| Glenmede Trust Co NA | 244,294 | $5.79M | 0.03% | +244,294 | New |
| Swiss National Bank | 251,100 | $5.95M | 0.00% | −9,200−3.5% | Reduced |
| Royal Bank of Canada | 270,329 | $6.41M | 0.00% | +8,013+3.1% | Added |
| Legal & General Group Plc | 293,786 | $6.97M | 0.00% | −74,340−20.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 294,341 | $6.98M | 0.02% | +16,848+6.1% | Added |
| Barclays PLC | 294,549 | $6.98M | 0.01% | −87,024−22.8% | Reduced |
| Primecap Management Co | 295,289 | $7.00M | 0.00% | −22,759−7.2% | Reduced |
| Millennium Management LLC | 303,213 | $7.19M | 0.01% | +277,543+1,081.2% | Added |
| AXA S.A. | 315,100 | $7.47M | 0.02% | −76,400−19.5% | Reduced |
| Goldman Sachs Group Inc | 324,943 | $7.71M | 0.00% | −296,663−47.7% | Reduced |
| Epoch Investment Partners, Inc. | 335,771 | $7.96M | 0.04% | +335,771 | New |
| Two Sigma Investments, LP | 354,103 | $8.40M | 0.02% | +76,164+27.4% | Added |
| Rhumbline Advisers | 360,371 | $8.54M | 0.01% | −13,046−3.5% | Reduced |
| Penn Capital Management Co Inc | 367,577 | $8.71M | 0.85% | −1,624−0.4% | Reduced |
| Assenagon Asset Management S.A. | 383,488 | $9.09M | 0.04% | −134,320−25.9% | Reduced |
| Parametric Portfolio Associates LLC | 395,407 | $9.38M | 0.01% | +84,708+27.3% | Added |
| New York State Common Retirement Fund | 411,498 | $9.76M | 0.01% | −8,341−2.0% | Reduced |
| black-and-white Capital LP | 442,800 | $10.5M | 1.83% | +176,300+66.2% | Added |
| Credit Suisse AG | 477,894 | $11.3M | 0.01% | −17,585−3.5% | Reduced |
| Morgan Stanley | 478,629 | $11.3M | 0.00% | +118,665+33.0% | Added |
| Barington Capital Group, L.P. | 530,100 | $12.6M | 11.72% | 00.0% | Unchanged |
| MESIROW FINANCIAL INVESTMENT MANAGEMENT - Equity & Fixed Income | 537,236 | $12.7M | 1.42% | −8,860−1.6% | Reduced |
| Russell Investments Group, Ltd. | 550,215 | $13.0M | 0.02% | +424,254+336.8% | Added |
| Schonfeld Strategic Advisors LLC | 566,786 | $13.4M | 0.15% | −162,314−22.3% | Reduced |
| Shelter Haven Capital Management, L.P. | 599,302 | $14.2M | 5.08% | +599,302 | New |
| Heard Capital LLC | 709,650 | $16.8M | 3.83% | +65,975+10.2% | Added |
| Two Sigma Advisers, LP | 728,785 | $17.3M | 0.05% | +66,500+10.0% | Added |
| Shannon River Fund Management LLC | 737,973 | $17.5M | 1.41% | +737,973 | New |
| Lord, Abbett & Co. LLC | 776,564 | $18.4M | 0.04% | −73,939−8.7% | Reduced |
| Charles Schwab Investment Management Inc | 780,009 | $18.5M | 0.01% | +13,065+1.7% | Added |
| Principal Financial Group Inc | 790,912 | $18.8M | 0.01% | +11,510+1.5% | Added |