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 2021
Institutional positions in Rambus Inc as of Sep 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
- 236
- +20 vs. Q2 2021
- Shares held
- 93.4M
- −3.16M (−3.3%) vs. Q2 2021
- Total value
- $2.07B
- −$216.2M (−9.4%) vs. Q2 2021
- New holders
- 35
- 65 more added
- Sold out
- 15
- 83 more reduced
3 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Huntington National Bank | 1 | $0 | 0.00% | 00.0% | Unchanged |
| Glassman Wealth Services | 8 | $0 | 0.00% | 00.0% | Unchanged |
| Valley National Advisers Inc | 50 | $1.00K | 0.00% | 00.0% | Unchanged |
| Cordasco Financial Network | 35 | $1.00K | 0.00% | 00.0% | Unchanged |
| Patriot Financial Group Insurance Agency, LLC | 32 | $1.00K | 0.00% | 00.0% | Unchanged |
| Trustcore Financial Services, LLC | 52 | $1.00K | 0.00% | 00.0% | Unchanged |
| ClariVest Asset Management LLC | 59 | $1.00K | 0.00% | +59 | New |
| Ellevest, Inc. | 24 | $1.00K | 0.00% | +24 | New |
| Manchester Capital Management LLC | 81 | $2.00K | 0.00% | +81 | New |
| West Paces Advisors Inc. | 102 | $2.26K | 0.00% | 00.0% | Unchanged |
| RPG Investment Advisory, LLC | 150 | $3.00K | 0.00% | 00.0% | Unchanged |
| Retirement Group, LLC | 155 | $3.00K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 156 | $3.00K | 0.00% | 00.0% | Unchanged |
| Parallax Volatility Advisers, L.P. | 132 | $3.00K | 0.00% | 00.0% | Unchanged |
| Tarbox Family Office, Inc. | 142 | $3.00K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 154 | $3.00K | 0.00% | +74+92.5% | Added |
| Fifth Third Bancorp | 118 | $3.00K | 0.00% | +118 | New |
| Eaton Vance Management | 4,673 | $4.00K | 0.00% | +502+12.0% | Added |
| O'Shaughnessy Asset Management, LLC | 159 | $4.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 163 | $4.00K | 0.00% | 00.0% | Unchanged |
| TCI Wealth Advisors, Inc. | 190 | $4.00K | 0.00% | +50+35.7% | Added |
| Allworth Financial LP | 207 | $5.00K | 0.00% | −55−21.0% | Reduced |
| Meeder Asset Management Inc | 246 | $5.00K | 0.00% | +163+196.4% | Added |
| Total Clarity Wealth Management, Inc. | 238 | $5.00K | 0.00% | +238 | New |
| Wealth Quarterback LLC | 244 | $6.00K | 0.00% | −10−3.9% | Reduced |
| Massmutual Trust Co FSB | 266 | $6.00K | 0.00% | +177+198.9% | Added |
| Tradewinds Capital Management, LLC | 296 | $7.00K | 0.00% | 00.0% | Unchanged |
| Tradition Wealth Management, LLC | 300 | $7.00K | 0.00% | 00.0% | Unchanged |
| Archer Investment Corp | 368 | $8.17K | 0.00% | +368 | New |
| Riggs Asset Managment Co. Inc. | 400 | $9.00K | 0.00% | 00.0% | Unchanged |
| Centerpoint Advisors, LLC | 400 | $9.00K | 0.00% | 00.0% | Unchanged |
| Lountzis Asset Management, LLC | 450 | $9.99K | 0.01% | +450 | New |
| Parkside Financial Bank & Trust | 443 | $10.0K | 0.00% | +8+1.8% | Added |
| Sageworth Trust Co | 620 | $14.0K | 0.00% | 00.0% | Unchanged |
| Proequities, Inc. | 690 | $15.0K | 0.00% | +190+38.0% | Added |
| Cutler Group LP | 680 | $15.0K | 0.00% | +680 | New |
| Baillie Gifford & Co | 699 | $16.0K | 0.00% | 00.0% | Unchanged |
| Sonora Investment Management, LLC | 1,000 | $22.0K | 0.00% | 00.0% | Unchanged |
| Benjamin F. Edwards & Company, Inc. | 1,000 | $22.0K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 991 | $22.0K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 1,015 | $23.0K | 0.00% | 00.0% | Unchanged |
| Koshinski Asset Management, Inc. | 1,140 | $25.3K | 0.00% | +1,140 | New |
| Harvest Fund Management Co., Ltd | 1,257 | $27.0K | 0.01% | +680+117.9% | Added |
| Dark Forest Capital Management LP | 1,226 | $27.0K | 0.01% | +1,226 | New |
| Newbridge Financial Services Group, Inc. | 1,300 | $29.0K | 0.02% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 1,642 | $36.0K | 0.01% | −96−5.5% | Reduced |
| Fieldpoint Private Securities, LLC | 1,710 | $38.0K | 0.01% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 1,867 | $41.0K | 0.00% | 00.0% | Unchanged |
| Vestcor Inc | 1,889 | $42.0K | 0.00% | 00.0% | Unchanged |
| Arkadios Wealth Advisors | 2,000 | $44.0K | 0.01% | −2,545−56.0% | Reduced |
| Quantbot Technologies LP | 2,275 | $50.0K | 0.00% | −13,054−85.2% | Reduced |
| IFP Advisors, Inc | 2,347 | $52.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 2,836 | $62.0K | 0.00% | +1,463+106.6% | Added |
| Sutton Wealth Advisors Inc. | 2,811 | $62.4K | 0.02% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 2,934 | $65.0K | 0.02% | +2,934 | New |
| Macquarie Group Ltd | 3,025 | $67.0K | 0.00% | 00.0% | Unchanged |
| HHM Wealth Advisors, LLC | 3,500 | $78.0K | 0.02% | 00.0% | Unchanged |
| Bollard Group LLC | 3,760 | $83.0K | 0.00% | 00.0% | Unchanged |
| KBC Group NV | 3,955 | $88.0K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 3,946 | $88.0K | 0.06% | +3,946 | New |
| Nisa Investment Advisors, LLC | 4,460 | $99.0K | 0.00% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 5,163 | $114.0K | 0.00% | +5,163 | New |
| The PNC Financial Services Group, Inc. | 5,595 | $125.0K | 0.00% | +64+1.2% | Added |
| Harbour Investments, Inc. | 8,156 | $181.0K | 0.01% | +38+0.5% | Added |
| Tower Research Capital LLC (TRC) | 8,186 | $182.0K | 0.00% | +4,652+131.6% | Added |
| Ameritas Investment Partners, Inc. | 8,317 | $185.0K | 0.01% | −471−5.4% | Reduced |
| US Bancorp | 8,843 | $197.0K | 0.00% | +8,690+5,679.7% | Added |
| Contravisory Investment Management, Inc. | 8,959 | $199.0K | 0.06% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 9,170 | $204.0K | 0.00% | −930−9.2% | Reduced |
| Miracle Mile Advisors, LLC | 9,301 | $206.0K | 0.01% | 00.0% | Unchanged |
| Sciencast Management LP | 9,649 | $212.0K | 0.06% | +9,649 | New |
| Cornerstone Investment Partners, LLC | 9,605 | $213.0K | 0.01% | −2,300−19.3% | Reduced |
| Rockland Trust Co | 9,992 | $222.0K | 0.02% | 00.0% | Unchanged |
| Shay Capital LLC | 10,000 | $222.0K | 0.07% | +10,000 | New |
| CIBC Asset Management Inc | 10,086 | $224.0K | 0.00% | +365+3.8% | Added |
| Advisor Group Holdings, Inc. | 10,075 | $224.0K | 0.00% | +332+3.4% | Added |
| Virginia Retirement Systems Et Al | 10,700 | $238.0K | 0.00% | −21,500−66.8% | Reduced |
| Trexquant Investment LP | 10,807 | $240.0K | 0.02% | +10,807 | New |
| Eqis Capital Management, Inc. | 11,077 | $246.0K | 0.02% | −867−7.3% | Reduced |
| Profund Advisors LLC | 11,183 | $248.0K | 0.01% | −2,851−20.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 11,223 | $249.0K | 0.00% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 11,280 | $250.0K | 0.01% | −190−1.7% | Reduced |
| Janus Henderson Group PLC | 11,494 | $255.0K | 0.00% | +11,494 | New |
| Cetera Advisor Networks LLC | 11,800 | $262.0K | 0.00% | +312+2.7% | Added |
| Man Group plc | 11,932 | $265.0K | 0.00% | +11,932 | New |
| Dynamic Technology Lab Private Ltd | 12,281 | $273.0K | 0.03% | +12,281 | New |
| HAP Trading, LLC | 12,934 | $287.0K | 0.02% | +12,934 | New |
| Everence Capital Management Inc | 13,445 | $298.0K | 0.02% | 00.0% | Unchanged |
| Sawtooth Solutions, LLC | 13,972 | $310.0K | 0.05% | −1,251−8.2% | Reduced |
| Royce & Associates LP | 13,988 | $311.0K | 0.00% | −22,993−62.2% | Reduced |
| Juncture Wealth Strategies, LLC | 14,033 | $312.0K | 0.16% | +14,033 | New |
| HSBC Holdings PLC | 14,376 | $321.0K | 0.00% | −1,969−12.0% | Reduced |
| Mutual of America Capital Management LLC | 14,522 | $322.0K | 0.00% | −1,473−9.2% | Reduced |
| BNC Wealth Management, LLC | 15,505 | $344.0K | 0.20% | 00.0% | Unchanged |
| Marshall Wace North America L.P. | 15,648 | $347.0K | 0.00% | +15,648 | New |
| Squarepoint Ops LLC | 15,675 | $348.0K | 0.00% | +1,015+6.9% | Added |
| Parallel Advisors, LLC | 15,903 | $353.0K | 0.01% | +9+0.1% | Added |
| Envestnet Asset Management Inc | 16,328 | $362.0K | 0.00% | +1,514+10.2% | Added |
| ProShare Advisors LLC | 16,712 | $371.0K | 0.00% | −15,425−48.0% | Reduced |
| PDT Partners, LLC | 16,861 | $374.0K | 0.03% | +16,861 | New |