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, Q4 2022
Institutional positions in Rambus Inc as of Dec 31, 2022. 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
- 303
- +64 vs. Q3 2022
- Shares held
- 91.6M
- −1.84M (−2.0%) vs. Q3 2022
- Total value
- $3.27B
- +$892.4M (+37.5%) vs. Q3 2022
- New holders
- 79
- 83 more added
- Sold out
- 15
- 101 more reduced
2 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: 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, Q4 2022
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State of New Jersey Common Pension Fund D | 61,704 | $2.21M | 0.01% | −24,432−28.4% | Reduced |
| New York State Teachers Retirement System | 64,255 | $2.30M | 0.01% | −1,683−2.6% | Reduced |
| Putnam Investments LLC | 66,166 | $2.37M | 0.00% | −22,866−25.7% | Reduced |
| Capital Fund Management S.A. | 69,133 | $2.48M | 0.05% | +36,239+110.2% | Added |
| Yousif Capital Management, LLC | 70,956 | $2.54M | 0.03% | −20,365−22.3% | Reduced |
| Gotham Asset Management, LLC | 71,487 | $2.56M | 0.07% | +8,303+13.1% | Added |
| Comerica Bank | 65,236 | $2.57M | 0.02% | −21,660−24.9% | Reduced |
| Texas Permanent School Fund | 72,259 | $2.59M | 0.04% | −7,234−9.1% | Reduced |
| Deutsche Bank AG | 72,340 | $2.59M | 0.00% | −17,056−19.1% | Reduced |
| Cambiar Investors LLC | 73,053 | $2.62M | 0.12% | +1,442+2.0% | Added |
| State of Alaska, Department of Revenue | 74,844 | $2.68M | 0.03% | −1,678−2.2% | Reduced |
| SG Americas Securities, LLC | 74,871 | $2.68M | 0.04% | +28,354+61.0% | Added |
| Victory Capital Management Inc | 75,288 | $2.70M | 0.00% | +14,223+23.3% | Added |
| Barclays PLC | 80,973 | $2.90M | 0.00% | +29,733+58.0% | Added |
| UBS Group AG | 85,960 | $3.08M | 0.00% | +39,402+84.6% | Added |
| Winton Group Ltd | 87,198 | $3.12M | 0.21% | +22,852+35.5% | Added |
| Citigroup Inc | 88,587 | $3.17M | 0.00% | −10,614−10.7% | Reduced |
| Two Sigma Investments, LP | 89,588 | $3.21M | 0.01% | +89,588 | New |
| Susquehanna International Group, LLP | 90,217 | $3.23M | 0.01% | +56,472+167.3% | Added |
| BNP Paribas Arbitrage, SA | 91,340 | $3.27M | 0.01% | −4,963−5.2% | Reduced |
| Royal Bank of Canada | 92,345 | $3.31M | 0.00% | +27,683+42.8% | Added |
| China Universal Asset Management Co., Ltd. | 93,000 | $3.33M | 1.34% | 00.0% | Unchanged |
| Jackson Square Partners, LLC | 93,078 | $3.33M | 0.09% | +93,078 | New |
| Jane Street Group, LLC | 93,286 | $3.34M | 0.01% | +74,774+403.9% | Added |
| Stifel Financial Corp | 93,469 | $3.35M | 0.01% | −880−0.9% | Reduced |
| Public Employees Retirement System of Ohio | 95,461 | $3.42M | 0.01% | −56,717−37.3% | Reduced |
| Wells Fargo & Company | 96,644 | $3.46M | 0.00% | +2,735+2.9% | Added |
| Boston Partners | 98,389 | $3.52M | 0.00% | −116,675−54.3% | Reduced |
| Schroder Investment Management Group | 100,391 | $3.60M | 0.01% | −12,063−10.7% | Reduced |
| Prudential Financial Inc | 108,906 | $3.90M | 0.01% | −3,155−2.8% | Reduced |
| State of Tennessee, Treasury Department | 109,669 | $3.93M | 0.02% | −4,614−4.0% | Reduced |
| State of Wisconsin Investment Board | 111,878 | $4.01M | 0.01% | −11,569−9.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 114,630 | $4.11M | 0.01% | +114,630 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 115,030 | $4.12M | 0.03% | +14,325+14.2% | Added |
| LPL Financial LLC | 115,885 | $4.15M | 0.00% | −2,108−1.8% | Reduced |
| Jacobs Levy Equity Management, Inc | 116,804 | $4.18M | 0.03% | +116,804 | New |
| Los Angeles Capital Management LLC | 123,122 | $4.41M | 0.02% | −9,286−7.0% | Reduced |
| First Trust Advisors LP | 128,046 | $4.59M | 0.01% | +31,497+32.6% | Added |
| Cubist Systematic Strategies, LLC | 128,301 | $4.60M | 0.04% | +128,301 | New |
| UBS Asset Management Americas Inc | 129,971 | $4.66M | 0.00% | +13,799+11.9% | Added |
| Hillsdale Investment Management Inc. | 130,400 | $4.67M | 0.39% | +99,200+317.9% | Added |
| California State Teachers Retirement System | 138,841 | $4.97M | 0.01% | +580+0.4% | Added |
| Great West Life Assurance Co | 143,130 | $5.13M | 0.01% | −630.0% | Reduced |
| Twinbeech Capital LP | 145,173 | $5.20M | 0.10% | +145,173 | New |
| Crestline Management, LP | 149,080 | $5.34M | 0.78% | −8,249−5.2% | Reduced |
| Rice Hall James & Associates, LLC | 152,278 | $5.45M | 0.31% | −28,300−15.7% | Reduced |
| Credit Suisse AG | 159,675 | $5.72M | 0.01% | −32,728−17.0% | Reduced |
| Alliancebernstein L.P. | 167,280 | $5.99M | 0.00% | +14,231+9.3% | Added |
| Assenagon Asset Management S.A. | 167,345 | $5.99M | 0.02% | −169,184−50.3% | Reduced |
| HighTower Advisors, LLC | 181,891 | $6.51M | 0.01% | +480.0% | Added |
| Eagle Asset Management Inc | 191,309 | $6.70M | 0.04% | −72,284−27.4% | Reduced |
| Public Sector Pension Investment Board | 195,540 | $7.00M | 0.06% | −7,062−3.5% | Reduced |
| Two Sigma Advisers, LP | 200,485 | $7.18M | 0.02% | −53,100−20.9% | Reduced |
| Mesirow Institutional Investment Management, Inc. | 213,296 | $7.64M | 1.01% | −163,170−43.3% | Reduced |
| SEI Investments Co | 218,516 | $7.83M | 0.02% | +137,528+169.8% | Added |
| Royce & Associates LP | 222,290 | $7.96M | 0.08% | −281,800−55.9% | Reduced |
| Thrivent Financial for Lutherans | 236,319 | $8.46M | 0.02% | +3,631+1.6% | Added |
| Primecap Management Co | 238,663 | $8.55M | 0.01% | −6,900−2.8% | Reduced |
| AXA S.A. | 257,269 | $9.22M | 0.03% | +155,069+151.7% | Added |
| Mirae Asset Global Investments Co., Ltd. | 262,616 | $9.41M | 0.02% | −11,656−4.2% | Reduced |
| Swiss National Bank | 266,900 | $9.56M | 0.01% | +5,500+2.1% | Added |
| Natixis Advisors, L.P. | 299,080 | $10.7M | 0.04% | +158,580+112.9% | Added |
| New York State Common Retirement Fund | 299,670 | $10.7M | 0.01% | −138,604−31.6% | Reduced |
| Rhumbline Advisers | 304,502 | $10.9M | 0.01% | +2,697+0.9% | Added |
| Legal & General Group Plc | 313,806 | $11.2M | 0.00% | −2,394−0.8% | Reduced |
| Penn Capital Management Co Inc | 316,189 | $11.3M | 1.16% | −198,680−38.6% | Reduced |
| Bank of America Corp | 321,544 | $11.5M | 0.00% | +55,792+21.0% | Added |
| Goldman Sachs Group Inc | 359,471 | $12.9M | 0.00% | −221,965−38.2% | Reduced |
| Epoch Investment Partners, Inc. | 372,218 | $13.3M | 0.08% | −174,459−31.9% | Reduced |
| Man Group plc | 377,417 | $13.5M | 0.05% | −4,996−1.3% | Reduced |
| Driehaus Capital Management LLC | 379,636 | $13.6M | 0.20% | +379,636 | New |
| Panagora Asset Management Inc | 416,328 | $14.9M | 0.10% | +49,190+13.4% | Added |
| JPMorgan Chase & Co | 423,207 | $15.2M | 0.00% | −391,631−48.1% | Reduced |
| Pacer Advisors, Inc. | 442,672 | $15.9M | 0.08% | +18,868+4.5% | Added |
| Millennium Management LLC | 475,681 | $17.0M | 0.02% | +465,615+4,625.6% | Added |
| Glenmede Trust Co NA | 496,241 | $17.8M | 0.10% | −61,176−11.0% | Reduced |
| Barington Capital Group, L.P. | 530,100 | $19.0M | 28.39% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 542,399 | $19.4M | 0.04% | −611,640−53.0% | Reduced |
| Park West Asset Management LLC | 543,700 | $19.5M | 1.95% | +543,700 | New |
| Principal Financial Group Inc | 679,733 | $24.3M | 0.02% | −30,702−4.3% | Reduced |
| Invesco Ltd. | 775,358 | $27.8M | 0.01% | −50,660−6.1% | Reduced |
| Charles Schwab Investment Management Inc | 808,009 | $28.9M | 0.01% | +3,214+0.4% | Added |
| Nuveen Asset Management, LLC | 993,842 | $35.6M | 0.01% | −136,735−12.1% | Reduced |
| Morgan Stanley | 1,032,059 | $37.0M | 0.00% | +35,230+3.5% | Added |
| Bank of New York Mellon Corp | 1,084,013 | $38.8M | 0.01% | −71,531−6.2% | Reduced |
| Hood River Capital Management LLC | 1,149,753 | $41.2M | 1.50% | +24,864+2.2% | Added |
| Norges Bank | 1,159,915 | $41.5M | 0.01% | +112,920+10.8% | Added |
| Silvercrest Asset Management Group LLC | 1,201,912 | $43.1M | 0.33% | −455,259−27.5% | Reduced |
| D. E. Shaw & Co., Inc. | 1,223,547 | $43.8M | 0.07% | −48,206−3.8% | Reduced |
| Captrust Financial Advisors | 1,288,667 | $46.2M | 0.23% | +1,006,772+357.1% | Added |
| Northern Trust Corp | 1,583,944 | $56.7M | 0.01% | −4,177−0.3% | Reduced |
| Vaughan Nelson Investment Management, L.P. | 1,597,970 | $57.2M | 0.74% | +13,895+0.9% | Added |
| Westwood Holdings Group Inc. | 1,945,264 | $69.7M | 0.61% | −974,610−33.4% | Reduced |
| Geode Capital Management, LLC | 2,012,638 | $72.1M | 0.01% | +26,871+1.4% | Added |
| Lord, Abbett & Co. LLC | 2,097,865 | $75.1M | 0.27% | −2280.0% | Reduced |
| Loomis Sayles & Co L P | 2,470,117 | $88.5M | 0.18% | −209,368−7.8% | Reduced |
| Wellington Management Group LLP | 2,732,152 | $97.9M | 0.02% | +83,338+3.1% | Added |
| Dimensional Fund Advisors LP | 3,559,172 | $127.5M | 0.04% | −78,008−2.1% | Reduced |
| State Street Corp | 4,356,152 | $156.0M | 0.01% | −499,649−10.3% | Reduced |
| Neuberger Berman Group LLC | 4,594,601 | $164.9M | 0.16% | −543,727−10.6% | Reduced |