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, Q1 2023
Institutional positions in Rambus Inc as of Mar 31, 2023. 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
- 337
- +36 vs. Q4 2022
- Shares held
- 93.7M
- +2.10M (+2.3%) vs. Q4 2022
- Total value
- $4.81B
- +$1.55B (+47.4%) vs. Q4 2022
- New holders
- 71
- 91 more added
- Sold out
- 35
- 136 more reduced
2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2023
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Clear Street Markets LLC | 3 | $0 | 0.00% | +2+200.0% | Added |
| Huntington National Bank | 1 | $51 | 0.00% | 00.0% | Unchanged |
| Tfo-TDC, LLC | 4 | $205 | 0.00% | 00.0% | Unchanged |
| Disciplined Investments, LLC | 18 | $923 | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 22 | $1.00K | 0.00% | +22 | New |
| AdvisorNet Financial, Inc | 23 | $1.18K | 0.00% | +1+4.5% | Added |
| SJS Investment Consulting Inc. | 26 | $1.33K | 0.00% | +3+13.0% | Added |
| Farther Finance Advisors, LLC | 31 | $1.59K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 32 | $1.64K | 0.00% | 00.0% | Unchanged |
| Valley National Advisers Inc | 50 | $2.00K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 41 | $2.10K | 0.00% | 00.0% | Unchanged |
| Schubert & Co | 49 | $2.51K | 0.00% | +1+2.1% | Added |
| Horan Securities, Inc. | 52 | $2.67K | 0.00% | 00.0% | Unchanged |
| Glassman Wealth Services | 56 | $2.87K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 72 | $3.40K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 80 | $4.10K | 0.00% | +80 | New |
| Farmers & Merchants Investments Inc | 84 | $4.31K | 0.00% | +8+10.5% | Added |
| EverSource Wealth Advisors, LLC | 88 | $4.51K | 0.00% | −187−68.0% | Reduced |
| Values First Advisors, Inc. | 104 | $5.34K | 0.00% | +104 | New |
| Ancora Advisors, LLC | 107 | $5.47K | 0.00% | +107 | New |
| JFS Wealth Advisors, LLC | 121 | $6.20K | 0.00% | −2−1.6% | Reduced |
| Sageworth Trust Co of South Dakota | 122 | $6.25K | 0.01% | 00.0% | Unchanged |
| Sageworth Trust Co | 143 | $7.33K | 0.00% | 00.0% | Unchanged |
| First Horizon Advisors, Inc. | 203 | $10.4K | 0.00% | +203 | New |
| Bessemer Group Inc | 220 | $11.0K | 0.00% | +220 | New |
| Allworth Financial LP | 242 | $12.4K | 0.00% | +200+476.2% | Added |
| Fifth Third Bancorp | 257 | $13.2K | 0.00% | +22+9.4% | Added |
| Massmutual Trust Co FSB | 273 | $14.0K | 0.00% | +165+152.8% | Added |
| TCI Wealth Advisors, Inc. | 279 | $14.3K | 0.00% | +129+86.0% | Added |
| Tradition Wealth Management, LLC | 300 | $15.0K | 0.00% | 00.0% | Unchanged |
| Tradewinds Capital Management, LLC | 296 | $15.2K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 304 | $16.0K | 0.01% | −1−0.3% | Reduced |
| Riggs Asset Managment Co. Inc. | 400 | $20.5K | 0.01% | 00.0% | Unchanged |
| Ameritas Advisory Services, LLC | 400 | $20.5K | 0.00% | +400 | New |
| Parkside Financial Bank & Trust | 421 | $21.6K | 0.01% | −33−7.3% | Reduced |
| TD Private Client Wealth LLC | 444 | $22.8K | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 470 | $24.0K | 0.00% | +470 | New |
| Advisory Services Network, LLC | 477 | $24.5K | 0.00% | −100−17.3% | Reduced |
| IFP Advisors, Inc | 1,847 | $25.1K | 0.00% | −2,584−58.3% | Reduced |
| Bartlett & Co. Wealth Management LLC | 500 | $25.6K | 0.00% | 00.0% | Unchanged |
| Bartlett & Co. LLC | 500 | $26.0K | 0.00% | 00.0% | Unchanged |
| Proequities, Inc. | 540 | $27.7K | 0.00% | 00.0% | Unchanged |
| CarsonAllaria Wealth Management, Ltd. | 550 | $28.2K | 0.02% | 00.0% | Unchanged |
| Hollencrest Capital Management | 551 | $28.2K | 0.00% | +551 | New |
| Maryland Capital Advisors Inc. | 575 | $29.5K | 0.03% | 00.0% | Unchanged |
| WealthPLAN Partners, LLC | 600 | $30.8K | 0.00% | +600 | New |
| Parallel Advisors, LLC | 642 | $32.9K | 0.00% | +331+106.4% | Added |
| Altshuler Shaham Ltd | 692 | $35.5K | 0.00% | −224−24.5% | Reduced |
| Orion Capital Management LLC | 703 | $36.0K | 0.02% | +703 | New |
| Baillie Gifford & Co | 740 | $37.9K | 0.00% | +110+17.5% | Added |
| Signaturefd, LLC | 755 | $38.7K | 0.00% | −182−19.4% | Reduced |
| Versant Capital Management, Inc | 876 | $44.9K | 0.02% | +72+9.0% | Added |
| Bokf, NA | 1,065 | $54.6K | 0.00% | +1,065 | New |
| Lindbrook Capital, LLC | 1,159 | $59.4K | 0.01% | 00.0% | Unchanged |
| Park Place Capital Corp | 1,308 | $67.0K | 0.02% | −499−27.6% | Reduced |
| Clearstead Advisors, LLC | 1,315 | $67.4K | 0.00% | 00.0% | Unchanged |
| Leonteq Securities AG | 1,345 | $68.9K | 0.01% | +1,345 | New |
| Householder Group Estate & Retirement Specialist, LLC | 1,759 | $90.0K | 0.03% | +1,759 | New |
| Archer Investment Corp | 2,148 | $95.0K | 0.04% | +1,780+483.7% | Added |
| Quantbot Technologies LP | 1,853 | $95.0K | 0.01% | +1,853 | New |
| Kapitalo Investimentos Ltda | 2,063 | $105.7K | 0.03% | +2,063 | New |
| CWM, LLC | 2,313 | $119.0K | 0.00% | −298−11.4% | Reduced |
| Virtus Fund Advisers, LLC | 2,327 | $119.3K | 0.84% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 2,354 | $121.0K | 0.00% | −72,517−96.9% | Reduced |
| Northwestern Mutual Wealth Management Co | 2,700 | $138.4K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,719 | $139.0K | 0.00% | +1,842+210.0% | Added |
| Quadrant Capital Group LLC | 2,798 | $143.4K | 0.01% | +126+4.7% | Added |
| USA Financial Portformulas Corp | 3,227 | $165.4K | 0.27% | +3,227 | New |
| DuPont Capital Management Corp | 3,497 | $179.3K | 0.01% | +3,497 | New |
| HHM Wealth Advisors, LLC | 3,500 | $179.4K | 0.04% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 3,662 | $188.0K | 0.00% | −470−11.4% | Reduced |
| Cullen/Frost Bankers, Inc. | 3,809 | $195.2K | 0.00% | −108−2.8% | Reduced |
| NJ State Employees Deferred Compensation Plan | 4,000 | $205.0K | 0.03% | +4,000 | New |
| US Bancorp | 4,264 | $218.6K | 0.00% | +594+16.2% | Added |
| Pinnacle Wealth Planning Services, Inc. | 4,274 | $219.1K | 0.04% | −3,659−46.1% | Reduced |
| Associated Banc-Corp | 4,300 | $220.4K | 0.01% | +4,300 | New |
| Spire Wealth Management | 4,401 | $225.6K | 0.01% | +4,301+4,301.0% | Added |
| Patriot Financial Group Insurance Agency, LLC | 4,401 | $225.6K | 0.05% | +4,401 | New |
| Coldstream Capital Management Inc | 4,408 | $226.0K | 0.01% | +4,408 | New |
| HSBC Holdings PLC | 4,428 | $226.0K | 0.00% | −21,748−83.1% | Reduced |
| Quantinno Capital Management LP | 4,468 | $229.0K | 0.02% | +4,468 | New |
| Simplex Trading, LLC | 4,591 | $235.0K | 0.01% | −1,443−23.9% | Reduced |
| Martingale Asset Management L P | 4,658 | $238.8K | 0.00% | −2,005−30.1% | Reduced |
| Franklin Resources Inc | 4,702 | $241.0K | 0.00% | −992−17.4% | Reduced |
| Migdal Insurance & Financial Holdings Ltd. | 4,796 | $242.0K | 0.01% | +4,796 | New |
| Belpointe Asset Management LLC | 4,725 | $242.2K | 0.01% | −3−0.1% | Reduced |
| Cetera Advisors LLC | 4,820 | $247.1K | 0.00% | +4,820 | New |
| GWM Advisors LLC | 4,921 | $252.3K | 0.00% | +977+24.8% | Added |
| Bank of Nova Scotia | 4,942 | $253.3K | 0.00% | +4,942 | New |
| Redwood Wealth Management Group, LLC | 4,983 | $255.4K | 0.29% | +4,983 | New |
| Rockland Trust Co | 4,996 | $256.1K | 0.02% | +4,996 | New |
| Symmetry Peak Management LLC | 5,000 | $256.3K | 1.22% | +5,000 | New |
| Miracle Mile Advisors, LLC | 5,112 | $262.0K | 0.01% | +5,112 | New |
| O'Shaughnessy Asset Management, LLC | 5,283 | $270.8K | 0.00% | +5,283 | New |
| Bridgefront Capital, LLC | 5,417 | $277.7K | 0.17% | +5,417 | New |
| Raymond James Financial Services Advisors, Inc. | 5,469 | $280.3K | 0.00% | +5,469 | New |
| Pathstone Family Office, LLC | 4,412 | $283.3K | 0.00% | −9,898−69.2% | Reduced |
| Veriti Management LLC | 5,625 | $288.3K | 0.03% | −49−0.9% | Reduced |
| State of Wyoming | 5,639 | $289.1K | 0.09% | −14,573−72.1% | Reduced |
| Metropolitan Life Insurance Co | 5,774 | $296.0K | 0.02% | −975−14.4% | Reduced |