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 2022
Institutional positions in Rambus Inc as of Sep 30, 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
- 241
- −9 vs. Q2 2022
- Shares held
- 93.5M
- −2.30M (−2.4%) vs. Q2 2022
- Total value
- $2.38B
- +$310.2M (+15.0%) vs. Q2 2022
- New holders
- 31
- 81 more added
- Sold out
- 40
- 94 more reduced
3 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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 | 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 2022
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 17,120,075 | $435.2M | 0.01% | +269,773+1.6% | Added |
| Vanguard Group Inc | 12,586,966 | $320.0M | 0.01% | +314,467+2.6% | Added |
| Ameriprise Financial Inc | 5,467,630 | $139.0M | 0.05% | +188,534+3.6% | Added |
| Neuberger Berman Group LLC | 5,138,328 | $131.1M | 0.14% | +69,862+1.4% | Added |
| State Street Corp | 4,855,801 | $123.4M | 0.01% | +155,076+3.3% | Added |
| Dimensional Fund Advisors LP | 3,637,180 | $92.5M | 0.04% | +4,428+0.1% | Added |
| Westwood Holdings Group Inc. | 2,919,874 | $74.2M | 0.88% | −230,207−7.3% | Reduced |
| Loomis Sayles & Co L P | 2,679,485 | $68.1M | 0.14% | −165,355−5.8% | Reduced |
| Wellington Management Group LLP | 2,648,814 | $67.3M | 0.01% | +259,307+10.9% | Added |
| Lord, Abbett & Co. LLC | 2,098,093 | $53.3M | 0.19% | +242,562+13.1% | Added |
| Geode Capital Management, LLC | 1,985,767 | $50.5M | 0.01% | +16,723+0.8% | Added |
| Silvercrest Asset Management Group LLC | 1,657,171 | $42.1M | 0.35% | −122,635−6.9% | Reduced |
| Northern Trust Corp | 1,588,121 | $40.4M | 0.01% | +5,001+0.3% | Added |
| Vaughan Nelson Investment Management, L.P. | 1,584,075 | $40.3M | 0.58% | +194,060+14.0% | Added |
| D. E. Shaw & Co., Inc. | 1,271,753 | $32.3M | 0.06% | −26,253−2.0% | Reduced |
| Bank of New York Mellon Corp | 1,155,544 | $29.4M | 0.01% | +36,943+3.3% | Added |
| Russell Investments Group, Ltd. | 1,154,039 | $29.3M | 0.06% | −259,980−18.4% | Reduced |
| Nuveen Asset Management, LLC | 1,130,577 | $28.7M | 0.01% | +139,160+14.0% | Added |
| Hood River Capital Management LLC | 1,124,889 | $28.6M | 1.09% | −60,123−5.1% | Reduced |
| Norges Bank | 1,046,995 | $26.6M | 0.01% | +17,932+1.7% | Added |
| Morgan Stanley | 996,829 | $25.3M | 0.00% | −31,903−3.1% | Reduced |
| Invesco Ltd. | 826,018 | $21.0M | 0.01% | +12,531+1.5% | Added |
| JPMorgan Chase & Co | 814,838 | $20.7M | 0.00% | +282,210+53.0% | Added |
| Charles Schwab Investment Management Inc | 804,795 | $20.5M | 0.01% | +25,205+3.2% | Added |
| Shannon River Fund Management LLC | 739,988 | $18.8M | 8.09% | −170,568−18.7% | Reduced |
| Principal Financial Group Inc | 710,435 | $18.1M | 0.01% | −50,380−6.6% | Reduced |
| Goldman Sachs Group Inc | 581,436 | $14.8M | 0.00% | +129,300+28.6% | Added |
| Glenmede Trust Co NA | 557,417 | $14.2M | 0.09% | −67,363−10.8% | Reduced |
| Epoch Investment Partners, Inc. | 546,677 | $13.9M | 0.09% | −10,776−1.9% | Reduced |
| Barington Capital Group, L.P. | 530,100 | $13.5M | 26.94% | 00.0% | Unchanged |
| Penn Capital Management Co Inc | 514,869 | $13.1M | 1.46% | +826+0.2% | Added |
| Royce & Associates LP | 504,090 | $12.8M | 0.14% | +12,100+2.5% | Added |
| New York State Common Retirement Fund | 438,274 | $11.1M | 0.02% | +3,727+0.9% | Added |
| Great Lakes Advisors, LLC | 433,569 | $11.0M | 0.24% | −4,022−0.9% | Reduced |
| Pacer Advisors, Inc. | 423,804 | $10.8M | 0.08% | +53,879+14.6% | Added |
| Man Group plc | 382,413 | $9.72M | 0.05% | – | – |
| Mesirow Institutional Investment Management, Inc. | 376,466 | $9.57M | 1.39% | +376,466 | New |
| Panagora Asset Management Inc | 367,138 | $9.33M | 0.06% | +126,319+52.5% | Added |
| Assenagon Asset Management S.A. | 336,529 | $8.55M | 0.04% | −345,100−50.6% | Reduced |
| Legal & General Group Plc | 316,200 | $8.04M | 0.00% | −3,446−1.1% | Reduced |
| Rhumbline Advisers | 301,805 | $7.67M | 0.01% | +14,381+5.0% | Added |
| Captrust Financial Advisors | 281,895 | $7.17M | 0.04% | +16,487+6.2% | Added |
| Mirae Asset Global Investments Co., Ltd. | 274,272 | $6.97M | 0.02% | −8,171−2.9% | Reduced |
| Bank of America Corp | 265,752 | $6.75M | 0.00% | −12,596−4.5% | Reduced |
| Eagle Asset Management Inc | 263,593 | $6.70M | 0.04% | +9,120+3.6% | Added |
| Swiss National Bank | 261,400 | $6.64M | 0.00% | +2,800+1.1% | Added |
| Two Sigma Advisers, LP | 253,585 | $6.45M | 0.02% | −73,100−22.4% | Reduced |
| Primecap Management Co | 245,563 | $6.24M | 0.01% | −7,600−3.0% | Reduced |
| Thrivent Financial for Lutherans | 232,688 | $5.92M | 0.02% | +9,175+4.1% | Added |
| Boston Partners | 215,064 | $5.47M | 0.01% | +81,744+61.3% | Added |
| Public Sector Pension Investment Board | 202,602 | $5.15M | 0.04% | −1,520−0.7% | Reduced |
| Credit Suisse AG | 192,403 | $4.89M | 0.01% | −87,930−31.4% | Reduced |
| HighTower Advisors, LLC | 181,843 | $4.62M | 0.01% | +156+0.1% | Added |
| Rice Hall James & Associates, LLC | 180,578 | $4.59M | 0.27% | +90,365+100.2% | Added |
| Crestline Management, LP | 157,329 | $4.00M | 0.54% | +50,579+47.4% | Added |
| Alliancebernstein L.P. | 153,049 | $3.89M | 0.00% | +322+0.2% | Added |
| Public Employees Retirement System of Ohio | 152,178 | $3.87M | 0.02% | −6,577−4.1% | Reduced |
| Great West Life Assurance Co | 143,193 | $3.64M | 0.01% | +34,897+32.2% | Added |
| Natixis Advisors, L.P. | 140,500 | $3.57M | 0.02% | −83,918−37.4% | Reduced |
| California State Teachers Retirement System | 138,261 | $3.52M | 0.01% | −1,663−1.2% | Reduced |
| Los Angeles Capital Management LLC | 132,408 | $3.37M | 0.02% | −7,201−5.2% | Reduced |
| State of Wisconsin Investment Board | 123,447 | $3.14M | 0.01% | −6,845−5.3% | Reduced |
| LPL Financial LLC | 117,993 | $3.00M | 0.00% | +782+0.7% | Added |
| UBS Asset Management Americas Inc | 116,172 | $2.95M | 0.00% | −20,468−15.0% | Reduced |
| State of Tennessee, Treasury Department | 114,283 | $2.90M | 0.01% | +35,252+44.6% | Added |
| Schroder Investment Management Group | 112,454 | $2.86M | 0.00% | −106,186−48.6% | Reduced |
| AXA S.A. | 102,200 | $2.60M | 0.01% | +102,200 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 100,705 | $2.56M | 0.03% | +214+0.2% | Added |
| Citigroup Inc | 99,201 | $2.52M | 0.00% | +20,040+25.3% | Added |
| Comerica Bank | 86,896 | $2.51M | 0.02% | −9,337−9.7% | Reduced |
| First Trust Advisors LP | 96,549 | $2.45M | 0.00% | −62,115−39.1% | Reduced |
| BNP Paribas Arbitrage, SA | 96,303 | $2.45M | 0.01% | −48,076−33.3% | Reduced |
| Stifel Financial Corp | 94,349 | $2.40M | 0.00% | −662−0.7% | Reduced |
| Wells Fargo & Company | 93,909 | $2.39M | 0.00% | +3,672+4.1% | Added |
| China Universal Asset Management Co., Ltd. | 93,000 | $2.36M | 1.00% | −50,000−35.0% | Reduced |
| Yousif Capital Management, LLC | 91,321 | $2.32M | 0.03% | −1,248−1.3% | Reduced |
| Prudential Financial Inc | 112,061 | $2.31M | 0.00% | −510−0.5% | Reduced |
| Lazard Asset Management LLC | 90,396 | $2.30M | 0.00% | +90,396 | New |
| Deutsche Bank AG | 89,396 | $2.27M | 0.00% | −146,597−62.1% | Reduced |
| Putnam Investments LLC | 89,032 | $2.26M | 0.00% | −123,411−58.1% | Reduced |
| State of New Jersey Common Pension Fund D | 86,136 | $2.19M | 0.01% | −9,991−10.4% | Reduced |
| SEI Investments Co | 80,988 | $2.06M | 0.00% | +7,167+9.7% | Added |
| Texas Permanent School Fund | 79,493 | $2.02M | 0.03% | −183−0.2% | Reduced |
| State of Alaska, Department of Revenue | 76,522 | $1.95M | 0.03% | −6,829−8.2% | Reduced |
| Graham Capital Management, L.P. | 76,161 | $1.94M | 0.08% | −65,280−46.2% | Reduced |
| Cambiar Investors LLC | 71,611 | $1.82M | 0.09% | −624−0.9% | Reduced |
| Gyon Technologies Capital Management, LP | 70,684 | $1.80M | 0.56% | +35,495+100.9% | Added |
| New York State Teachers Retirement System | 65,938 | $1.68M | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 64,662 | $1.64M | 0.00% | −57,552−47.1% | Reduced |
| Winton Group Ltd | 64,346 | $1.64M | 0.11% | +34,908+118.6% | Added |
| Gotham Asset Management, LLC | 63,184 | $1.61M | 0.05% | −47,055−42.7% | Reduced |
| AlphaCrest Capital Management LLC | 61,039 | $1.55M | 0.09% | −33,477−35.4% | Reduced |
| Victory Capital Management Inc | 61,065 | $1.55M | 0.00% | −5,137−7.8% | Reduced |
| American International Group, Inc. | 60,120 | $1.53M | 0.01% | +676+1.1% | Added |
| Virtus Investment Advisers, Inc. | 59,760 | $1.52M | 0.70% | +59,760 | New |
| MetLife Investment Management | 58,596 | $1.49M | 0.01% | +800+1.4% | Added |
| Teacher Retirement System of Texas | 58,491 | $1.49M | 0.01% | +40,685+228.5% | Added |
| Renaissance Technologies LLC | 56,100 | $1.43M | 0.00% | −149,286−72.7% | Reduced |
| State Board of Administration of Florida Retirement System | 55,873 | $1.42M | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 53,515 | $1.36M | 0.01% | +1,114+2.1% | Added |