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, Q4 2021
Institutional positions in Rambus Inc as of Dec 31, 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
- 258
- +26 vs. Q3 2021
- Shares held
- 95.6M
- +2.33M (+2.5%) vs. Q3 2021
- Total value
- $2.80B
- +$735.3M (+35.5%) vs. Q3 2021
- New holders
- 55
- 84 more added
- Sold out
- 29
- 77 more reduced
4 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q3 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 |
| Toronto Dominion Bank | 12 | $0 | 0.00% | +12 | New |
| Valley National Advisers Inc | 50 | $1.00K | 0.00% | 00.0% | Unchanged |
| Cordasco Financial Network | 35 | $1.00K | 0.00% | 00.0% | Unchanged |
| Ellevest, Inc. | 26 | $1.00K | 0.00% | +2+8.3% | Added |
| Assetmark, Inc | 30 | $1.00K | 0.00% | +30 | New |
| JFS Wealth Advisors, LLC | 24 | $1.00K | 0.00% | +24 | New |
| Schubert & Co | 21 | $1.00K | 0.00% | +21 | New |
| Covestor Ltd | 22 | $1.00K | 0.00% | +22 | New |
| ClariVest Asset Management LLC | 59 | $2.00K | 0.00% | 00.0% | Unchanged |
| Trustcore Financial Services, LLC | 52 | $2.00K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 89 | $3.00K | 0.00% | −177−66.5% | Reduced |
| Allworth Financial LP | 107 | $3.00K | 0.00% | −100−48.3% | Reduced |
| West Paces Advisors Inc. | 113 | $3.32K | 0.00% | +11+10.8% | Added |
| Sageworth Trust Co | 143 | $4.00K | 0.00% | −477−76.9% | Reduced |
| Parallax Volatility Advisers, L.P. | 132 | $4.00K | 0.00% | 00.0% | Unchanged |
| Tarbox Family Office, Inc. | 142 | $4.00K | 0.00% | 00.0% | Unchanged |
| Private Capital Group, LLC | 148 | $4.00K | 0.00% | +148 | New |
| Signaturefd, LLC | 163 | $5.00K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 154 | $5.00K | 0.00% | 00.0% | Unchanged |
| Retirement Group, LLC | 155 | $5.00K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 156 | $5.00K | 0.00% | 00.0% | Unchanged |
| TCI Wealth Advisors, Inc. | 190 | $6.00K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 188 | $6.00K | 0.00% | +70+59.3% | Added |
| Total Clarity Wealth Management, Inc. | 238 | $7.00K | 0.00% | 00.0% | Unchanged |
| Tradewinds Capital Management, LLC | 296 | $9.00K | 0.00% | 00.0% | Unchanged |
| Tradition Wealth Management, LLC | 300 | $9.00K | 0.00% | 00.0% | Unchanged |
| Patriot Financial Group Insurance Agency, LLC | 294 | $9.00K | 0.00% | +262+818.8% | Added |
| Wolverine Asset Management LLC | 363 | $10.0K | 0.00% | −4,800−93.0% | Reduced |
| CWM, LLC | 350 | $10.0K | 0.00% | +350 | New |
| Archer Investment Corp | 368 | $10.8K | 0.00% | 00.0% | Unchanged |
| Riggs Asset Managment Co. Inc. | 400 | $12.0K | 0.00% | 00.0% | Unchanged |
| Centerpoint Advisors, LLC | 400 | $12.0K | 0.01% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 437 | $13.0K | 0.00% | −6−1.4% | Reduced |
| Optiver Holding B.V. | 458 | $13.0K | 0.00% | +458 | New |
| Sageworth Trust Co of South Dakota | 470 | $14.0K | 0.02% | +470 | New |
| EverSource Wealth Advisors, LLC | 524 | $15.0K | 0.00% | +524 | New |
| Maryland Capital Advisors Inc. | 575 | $17.0K | 0.01% | +575 | New |
| Baillie Gifford & Co | 630 | $19.0K | 0.00% | −69−9.9% | Reduced |
| Proequities, Inc. | 690 | $20.0K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 777 | $22.0K | 0.00% | −214−21.6% | Reduced |
| Dark Forest Capital Management LP | 892 | $26.0K | 0.01% | −334−27.2% | Reduced |
| Tower Research Capital LLC (TRC) | 1,013 | $30.0K | 0.00% | −7,173−87.6% | Reduced |
| Clearstead Advisors, LLC | 1,015 | $30.0K | 0.00% | 00.0% | Unchanged |
| Koshinski Asset Management, Inc. | 1,140 | $33.5K | 0.00% | 00.0% | Unchanged |
| Benjamin F. Edwards & Company, Inc. | 1,195 | $35.0K | 0.00% | +195+19.5% | Added |
| Newbridge Financial Services Group, Inc. | 1,300 | $38.0K | 0.02% | 00.0% | Unchanged |
| Confluence Wealth Services, Inc. | 1,400 | $41.0K | 0.01% | +1,400 | New |
| Catalyst Capital Advisors LLC | 1,575 | $46.0K | 0.00% | +1,575 | New |
| Versant Capital Management, Inc | 1,642 | $48.0K | 0.02% | 00.0% | Unchanged |
| Signet Financial Management, LLC | 1,652 | $49.0K | 0.01% | +1,652 | New |
| Vestcor Inc | 1,698 | $50.0K | 0.00% | −191−10.1% | Reduced |
| Fieldpoint Private Securities, LLC | 1,750 | $51.0K | 0.01% | +40+2.3% | Added |
| Neo Ivy Capital Management | 1,853 | $54.0K | 0.08% | +1,853 | New |
| Macquarie Group Ltd | 2,114 | $62.0K | 0.00% | −911−30.1% | Reduced |
| NEXT Financial Group, Inc | 2,222 | $65.0K | 0.00% | +2,222 | New |
| Cutler Group LP | 2,306 | $67.0K | 0.00% | +1,626+239.1% | Added |
| IFP Advisors, Inc | 2,347 | $69.0K | 0.00% | 00.0% | Unchanged |
| CarsonAllaria Wealth Management, Ltd. | 2,693 | $79.0K | 0.07% | +2,693 | New |
| Sutton Wealth Advisors Inc. | 2,837 | $83.4K | 0.03% | +26+0.9% | Added |
| Bell Investment Advisors, Inc | 2,986 | $88.0K | 0.02% | +52+1.8% | Added |
| Nisa Investment Advisors, LLC | 3,920 | $99.0K | 0.00% | −540−12.1% | Reduced |
| HHM Wealth Advisors, LLC | 3,500 | $103.0K | 0.02% | 00.0% | Unchanged |
| Harvest Fund Management Co., Ltd | 3,723 | $108.0K | 0.02% | +2,466+196.2% | Added |
| Bollard Group LLC | 3,760 | $111.0K | 0.00% | 00.0% | Unchanged |
| KBC Group NV | 3,955 | $116.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 3,978 | $116.0K | 0.00% | +3,978 | New |
| Eaton Vance Management | 4,687 | $138.0K | 0.00% | +14+0.3% | Added |
| Northwestern Mutual Wealth Management Co | 4,747 | $139.0K | 0.00% | +2,880+154.3% | Added |
| The PNC Financial Services Group, Inc. | 5,547 | $164.0K | 0.00% | −48−0.9% | Reduced |
| Penserra Capital Management LLC | 6,530 | $191.0K | 0.00% | +6,530 | New |
| New Century Advisors, LLC | 6,570 | $193.0K | 0.18% | +6,570 | New |
| Gsa Capital Partners LLP | 6,920 | $203.0K | 0.03% | +6,920 | New |
| CenterBook Partners LP | 6,904 | $203.0K | 0.12% | +6,904 | New |
| Shelton Capital Management | 7,226 | $212.0K | 0.01% | +7,226 | New |
| Formidable Asset Management, LLC | 7,295 | $214.0K | 0.04% | +7,295 | New |
| Shay Capital LLC | 7,500 | $220.0K | 0.08% | −2,500−25.0% | Reduced |
| First Citizens Bank & Trust Co | 7,768 | $229.0K | 0.01% | +7,768 | New |
| Ferris Capital, LLC | 7,834 | $230.0K | 0.05% | +7,834 | New |
| Creative Planning | 7,992 | $235.0K | 0.00% | +7,992 | New |
| Pictet Asset Management SA | 8,104 | $238.0K | 0.00% | +8,104 | New |
| Morse Asset Management, Inc | 8,200 | $241.0K | 0.05% | +8,200 | New |
| Ameritas Investment Partners, Inc. | 8,317 | $244.0K | 0.01% | 00.0% | Unchanged |
| US Bancorp | 8,435 | $247.0K | 0.00% | −408−4.6% | Reduced |
| Navellier & Associates Inc | 8,508 | $250.0K | 0.04% | +8,508 | New |
| Cambridge Investment Research Advisors, Inc. | 9,088 | $267.0K | 0.00% | −82−0.9% | Reduced |
| Miracle Mile Advisors, LLC | 9,301 | $273.0K | 0.01% | 00.0% | Unchanged |
| Quantbot Technologies LP | 9,416 | $276.0K | 0.02% | +7,141+313.9% | Added |
| Cornerstone Investment Partners, LLC | 9,605 | $282.0K | 0.02% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 9,820 | $289.0K | 0.01% | −1,460−12.9% | Reduced |
| Graham Capital Management, L.P. | 9,864 | $289.0K | 0.02% | +9,864 | New |
| Rockland Trust Co | 9,992 | $294.0K | 0.02% | 00.0% | Unchanged |
| Profund Advisors LLC | 10,043 | $295.0K | 0.01% | −1,140−10.2% | Reduced |
| Contravisory Investment Management, Inc. | 10,038 | $295.0K | 0.08% | +1,079+12.0% | Added |
| Engineers Gate Manager LP | 10,620 | $312.0K | 0.01% | +10,620 | New |
| Virginia Retirement Systems Et Al | 10,700 | $314.0K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 11,039 | $325.0K | 0.15% | +7,093+179.8% | Added |
| Aigen Investment Management, LP | 12,154 | $350.0K | 0.02% | −4,887−28.7% | Reduced |
| Cetera Advisor Networks LLC | 12,117 | $356.0K | 0.00% | +317+2.7% | Added |