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, Q3 2023
Institutional positions in Rambus Inc as of Sep 30, 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
- 350
- −41 vs. Q2 2023
- Shares held
- 98.0M
- +2.29M (+2.4%) vs. Q2 2023
- Total value
- $5.48B
- −$656.3M (−10.7%) vs. Q2 2023
- New holders
- 40
- 153 more added
- Sold out
- 81
- 115 more reduced
2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Maryland Capital Advisors Inc. | 575 | $32.1K | 0.02% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 567 | $31.6K | 0.01% | +4+0.7% | Added |
| Pacer Advisors, Inc. | 551 | $30.7K | 0.00% | −325−37.1% | Reduced |
| Proequities, Inc. | 540 | $30.1K | 0.00% | −2−0.4% | Reduced |
| Bartlett & Co. LLC | 500 | $28.0K | 0.00% | 00.0% | Unchanged |
| Bartlett & Co. Wealth Management LLC | 500 | $27.9K | 0.00% | 00.0% | Unchanged |
| Riggs Asset Managment Co. Inc. | 400 | $22.3K | 0.01% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 391 | $21.8K | 0.00% | +74+23.3% | Added |
| GWM Advisors LLC | 377 | $21.0K | 0.00% | −6,977−94.9% | Reduced |
| Allworth Financial LP | 310 | $17.3K | 0.00% | +62+25.0% | Added |
| Tradition Wealth Management, LLC | 300 | $17.0K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 304 | $17.0K | 0.00% | +22+7.8% | Added |
| Tradewinds Capital Management, LLC | 296 | $16.5K | 0.01% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 223 | $14.0K | 0.00% | −22−9.0% | Reduced |
| Psagot Value Holdings Ltd. / (Israel) | 258 | $14.0K | 0.01% | +60+30.3% | Added |
| Bessemer Group Inc | 222 | $12.0K | 0.00% | −86−27.9% | Reduced |
| TD Private Client Wealth LLC | 200 | $11.2K | 0.00% | −137−40.7% | Reduced |
| CarsonAllaria Wealth Management, Ltd. | 200 | $11.2K | 0.01% | 00.0% | Unchanged |
| Private Trust Co NA | 195 | $10.9K | 0.00% | +62+46.6% | Added |
| Stephens Inc | 193 | $10.8K | 0.00% | +193 | New |
| Ci Investments Inc. | 165 | $9.00K | 0.00% | +165 | New |
| West Tower Group, LLC | 142 | $7.92K | 0.00% | +92+184.0% | Added |
| Key Financial Inc | 137 | $7.64K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 127 | $7.09K | 0.00% | +7+5.8% | Added |
| JFS Wealth Advisors, LLC | 121 | $6.75K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 107 | $5.97K | 0.00% | +15+16.3% | Added |
| Steward Partners Investment Advisory, LLC | 100 | $5.58K | 0.00% | +100 | New |
| LGT Financial Advisors LLC | 91 | $5.08K | 0.01% | +91 | New |
| Hillsdale Investment Management Inc. | 80 | $4.46K | 0.00% | −89,780−99.9% | Reduced |
| Farmers & Merchants Investments Inc | 75 | $4.18K | 0.00% | −9−10.7% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 65 | $3.63K | 0.00% | +65 | New |
| Global Retirement Partners, LLC | 55 | $3.14K | 0.00% | 00.0% | Unchanged |
| Glassman Wealth Services | 56 | $3.12K | 0.00% | 00.0% | Unchanged |
| Valley National Advisers Inc | 50 | $3.00K | 0.00% | 00.0% | Unchanged |
| Steward Financial Group LLC | 64 | $3.00K | 0.00% | +64 | New |
| Bell Investment Advisors, Inc | 53 | $2.96K | 0.00% | +4+8.2% | Added |
| Farther Finance Advisors, LLC | 33 | $1.84K | 0.00% | 00.0% | Unchanged |
| Grove Bank & Trust | 31 | $1.73K | 0.00% | +31 | New |
| SRS Capital Advisors, Inc. | 28 | $1.56K | 0.00% | +28 | New |
| First Horizon Advisors, Inc. | 25 | $1.40K | 0.00% | −178−87.7% | Reduced |
| SJS Investment Consulting Inc. | 23 | $1.28K | 0.00% | 00.0% | Unchanged |
| AdvisorNet Financial, Inc | 23 | $1.28K | 0.00% | +3+15.0% | Added |
| Kelly Financial Services LLC | 17 | $948 | 0.00% | +17 | New |
| Albion Financial Group | 13 | $726 | 0.00% | 00.0% | Unchanged |
| Institutional & Family Asset Management, LLC | 11 | $614 | 0.00% | +11 | New |
| Tfo-TDC, LLC | 7 | $449 | 0.00% | +3+75.0% | Added |
| Abound Wealth Management | 8 | $447 | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 3 | $167 | 0.00% | +3 | New |
| Harel Insurance Investments & Financial Services Ltd. | 1 | $0 | 0.00% | +1 | New |
| Avion Wealth | 9 | $0 | 0.00% | +9 | New |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −87−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −367,095−100.0% | Sold out |
| Twin Tree Management, LP | 0 | $0 | 0.00% | −358,789−100.0% | Sold out |
| Park West Asset Management LLC | 0 | $0 | 0.00% | −335,000−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −311,686−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −186,493−100.0% | Sold out |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −92,200−100.0% | Sold out |
| Lisanti Capital Growth, LLC | 0 | $0 | 0.00% | −85,255−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −70,368−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −68,601−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −68,222−100.0% | Sold out |
| Discovery Capital Management, LLC | 0 | $0 | 0.00% | −64,474−100.0% | Sold out |
| O'Neil Global Advisors, Inc. | 0 | $0 | 0.00% | −59,174−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −53,977−100.0% | Sold out |
| Vident Investment Advisory, LLC | 0 | $0 | 0.00% | −49,698−100.0% | Sold out |
| AE Wealth Management LLC | 0 | $0 | 0.00% | −44,185−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −39,464−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −35,383−100.0% | Sold out |
| Duality Advisers, LP | 0 | $0 | 0.00% | −35,246−100.0% | Sold out |
| Syntal Capital Partners, LLC | 0 | $0 | 0.00% | −28,385−100.0% | Sold out |
| Eisler Capital (US) LLC | 0 | $0 | 0.00% | −23,960−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −23,941−100.0% | Sold out |
| Zacks Investment Management | 0 | $0 | 0.00% | −22,328−100.0% | Sold out |
| Geneva Partners, LLC | 0 | $0 | 0.00% | −19,550−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −19,061−100.0% | Sold out |
| Jackson Creek Investment Advisors LLC | 0 | $0 | 0.00% | −18,703−100.0% | Sold out |
| TrimTabs Asset Management, LLC | 0 | $0 | 0.00% | −16,235−100.0% | Sold out |
| Private Advisory Group LLC | 0 | $0 | 0.00% | −15,255−100.0% | Sold out |
| E Fund Management Co., Ltd. | 0 | $0 | 0.00% | −14,822−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −12,597−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −12,070−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −11,412−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −9,809−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −9,657−100.0% | Sold out |
| Kiwi Wealth Investments Limited Partnership | 0 | $0 | 0.00% | −8,459−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −8,222−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −7,700−100.0% | Sold out |
| Mitsubishi UFJ Trust & Banking Corp | 0 | $0 | 0.00% | −7,537−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −7,039−100.0% | Sold out |
| Legato Capital Management LLC | 0 | $0 | 0.00% | −6,670−100.0% | Sold out |
| Kapitalo Investimentos Ltda | 0 | $0 | 0.00% | −5,571−100.0% | Sold out |
| CIBC World Markets Inc. | 0 | $0 | 0.00% | −5,188−100.0% | Sold out |
| Quantamental Technologies LLC | 0 | $0 | 0.00% | −4,418−100.0% | Sold out |
| Wedbush Securities Inc | 0 | $0 | 0.00% | −4,304−100.0% | Sold out |
| Donoghue Forlines LLC | 0 | $0 | 0.00% | −4,111−100.0% | Sold out |
| Independent Financial Group, LLC | 0 | $0 | 0.00% | −4,020−100.0% | Sold out |
| Capital CS Group, LLC | 0 | $0 | 0.00% | −3,933−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −3,838−100.0% | Sold out |
| Schechter Investment Advisors, LLC | 0 | $0 | 0.00% | −3,631−100.0% | Sold out |
| Journey Strategic Wealth LLC | 0 | $0 | 0.00% | −3,554−100.0% | Sold out |