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 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 | 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 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 |
|---|---|---|---|---|---|
| Harel Insurance Investments & Financial Services Ltd. | 1 | $0 | 0.00% | +1 | New |
| Avion Wealth | 9 | $0 | 0.00% | +9 | New |
| Assetmark, Inc | 3 | $167 | 0.00% | +3 | New |
| Abound Wealth Management | 8 | $447 | 0.00% | 00.0% | Unchanged |
| Tfo-TDC, LLC | 7 | $449 | 0.00% | +3+75.0% | Added |
| Institutional & Family Asset Management, LLC | 11 | $614 | 0.00% | +11 | New |
| Albion Financial Group | 13 | $726 | 0.00% | 00.0% | Unchanged |
| Kelly Financial Services LLC | 17 | $948 | 0.00% | +17 | New |
| AdvisorNet Financial, Inc | 23 | $1.28K | 0.00% | +3+15.0% | Added |
| SJS Investment Consulting Inc. | 23 | $1.28K | 0.00% | 00.0% | Unchanged |
| First Horizon Advisors, Inc. | 25 | $1.40K | 0.00% | −178−87.7% | Reduced |
| SRS Capital Advisors, Inc. | 28 | $1.56K | 0.00% | +28 | New |
| Grove Bank & Trust | 31 | $1.73K | 0.00% | +31 | New |
| Farther Finance Advisors, LLC | 33 | $1.84K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 53 | $2.96K | 0.00% | +4+8.2% | Added |
| Valley National Advisers Inc | 50 | $3.00K | 0.00% | 00.0% | Unchanged |
| Steward Financial Group LLC | 64 | $3.00K | 0.00% | +64 | New |
| Glassman Wealth Services | 56 | $3.12K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 55 | $3.14K | 0.00% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 65 | $3.63K | 0.00% | +65 | New |
| Farmers & Merchants Investments Inc | 75 | $4.18K | 0.00% | −9−10.7% | Reduced |
| Hillsdale Investment Management Inc. | 80 | $4.46K | 0.00% | −89,780−99.9% | Reduced |
| LGT Financial Advisors LLC | 91 | $5.08K | 0.01% | +91 | New |
| Steward Partners Investment Advisory, LLC | 100 | $5.58K | 0.00% | +100 | New |
| EverSource Wealth Advisors, LLC | 107 | $5.97K | 0.00% | +15+16.3% | Added |
| JFS Wealth Advisors, LLC | 121 | $6.75K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 127 | $7.09K | 0.00% | +7+5.8% | Added |
| Key Financial Inc | 137 | $7.64K | 0.00% | 00.0% | Unchanged |
| West Tower Group, LLC | 142 | $7.92K | 0.00% | +92+184.0% | Added |
| Ci Investments Inc. | 165 | $9.00K | 0.00% | +165 | New |
| Stephens Inc | 193 | $10.8K | 0.00% | +193 | New |
| Private Trust Co NA | 195 | $10.9K | 0.00% | +62+46.6% | Added |
| 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 |
| Bessemer Group Inc | 222 | $12.0K | 0.00% | −86−27.9% | Reduced |
| 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 |
| Tradewinds Capital Management, LLC | 296 | $16.5K | 0.01% | 00.0% | Unchanged |
| Fifth Third Bancorp | 304 | $17.0K | 0.00% | +22+7.8% | Added |
| Tradition Wealth Management, LLC | 300 | $17.0K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 310 | $17.3K | 0.00% | +62+25.0% | Added |
| GWM Advisors LLC | 377 | $21.0K | 0.00% | −6,977−94.9% | Reduced |
| Massmutual Trust Co FSB | 391 | $21.8K | 0.00% | +74+23.3% | Added |
| Riggs Asset Managment Co. Inc. | 400 | $22.3K | 0.01% | 00.0% | Unchanged |
| Bartlett & Co. Wealth Management LLC | 500 | $27.9K | 0.00% | 00.0% | Unchanged |
| Bartlett & Co. LLC | 500 | $28.0K | 0.00% | 00.0% | Unchanged |
| Proequities, Inc. | 540 | $30.1K | 0.00% | −2−0.4% | Reduced |
| Pacer Advisors, Inc. | 551 | $30.7K | 0.00% | −325−37.1% | Reduced |
| Parkside Financial Bank & Trust | 567 | $31.6K | 0.01% | +4+0.7% | Added |
| Maryland Capital Advisors Inc. | 575 | $32.1K | 0.02% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 583 | $32.5K | 0.00% | +105+22.0% | Added |
| Orion Capital Management LLC | 703 | $39.2K | 0.03% | +703 | New |
| Versant Capital Management, Inc | 732 | $40.8K | 0.01% | −13−1.7% | Reduced |
| Coppell Advisory Solutions LLC | 1,379 | $49.4K | 0.02% | +1,232+838.1% | Added |
| Signaturefd, LLC | 934 | $52.1K | 0.00% | +132+16.5% | Added |
| Geneos Wealth Management Inc. | 1,000 | $55.8K | 0.00% | +1,000 | New |
| Nomura Asset Management Co Ltd | 1,027 | $57.3K | 0.00% | −1,159−53.0% | Reduced |
| Park Place Capital Corp | 1,081 | $60.3K | 0.02% | 00.0% | Unchanged |
| Spire Wealth Management | 1,187 | $66.2K | 0.00% | −1,818−60.5% | Reduced |
| NBC Securities, Inc. | 1,293 | $72.0K | 0.01% | +1,293 | New |
| Clearstead Advisors, LLC | 1,315 | $73.4K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 1,332 | $74.3K | 0.01% | +173+14.9% | Added |
| Leonteq Securities AG | 1,345 | $75.0K | 0.01% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 1,403 | $78.3K | 0.00% | +1,403 | New |
| Tower Research Capital LLC (TRC) | 1,438 | $80.2K | 0.00% | −1,411−49.5% | Reduced |
| Covestor Ltd | 1,455 | $81.0K | 0.06% | +489+50.6% | Added |
| Householder Group Estate & Retirement Specialist, LLC | 1,591 | $88.8K | 0.03% | +1,591 | New |
| Migdal Insurance & Financial Holdings Ltd. | 1,676 | $93.0K | 0.00% | +227+15.7% | Added |
| Archer Investment Corp | 1,780 | $99.3K | 0.03% | 00.0% | Unchanged |
| Northwest Capital Management Inc | 2,000 | $111.6K | 0.04% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 2,068 | $115.4K | 0.00% | +1,110+115.9% | Added |
| KBC Group NV | 2,356 | $131.0K | 0.00% | −6,057−72.0% | Reduced |
| Cullen/Frost Bankers, Inc. | 2,611 | $145.7K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 2,958 | $165.0K | 0.00% | −8−0.3% | Reduced |
| USA Financial Portformulas Corp | 3,064 | $170.9K | 0.26% | −91−2.9% | Reduced |
| Westpac Banking Corp | 3,100 | $172.9K | 0.01% | +3,100 | New |
| DekaBank Deutsche Girozentrale | 3,273 | $183.0K | 0.00% | +3,273 | New |
| HHM Wealth Advisors, LLC | 3,500 | $195.3K | 0.04% | −2,000−36.4% | Reduced |
| Quadrant Capital Group LLC | 3,500 | $195.3K | 0.02% | +669+23.6% | Added |
| Cresset Asset Management, LLC | 3,641 | $203.1K | 0.00% | +343+10.4% | Added |
| Eqis Capital Management, Inc. | 3,748 | $209.1K | 0.03% | −309−7.6% | Reduced |
| IFP Advisors, Inc | 3,787 | $211.3K | 0.01% | +2,421+177.2% | Added |
| NJ State Employees Deferred Compensation Plan | 4,000 | $223.2K | 0.03% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 4,009 | $223.7K | 0.00% | +56+1.4% | Added |
| Verition Fund Management LLC | 4,097 | $228.6K | 0.00% | 00.0% | Unchanged |
| Miracle Mile Advisors, LLC | 4,261 | $237.7K | 0.01% | −370−8.0% | Reduced |
| Associated Banc-Corp | 4,300 | $239.9K | 0.01% | 00.0% | Unchanged |
| Twinbeech Capital LP | 4,339 | $242.1K | 0.00% | −41,107−90.5% | Reduced |
| Pinnacle Wealth Planning Services, Inc. | 4,341 | $242.2K | 0.04% | −2,350−35.1% | Reduced |
| Lazard Asset Management LLC | 4,375 | $243.0K | 0.00% | +3,737+585.7% | Added |
| Belpointe Asset Management LLC | 4,357 | $243.1K | 0.03% | −315−6.7% | Reduced |
| Coldstream Capital Management Inc | 4,459 | $248.8K | 0.01% | +13+0.3% | Added |
| Blair William & Co | 4,464 | $249.0K | 0.00% | +150+3.5% | Added |
| Ewa, LLC | 3,989 | $249.8K | 0.16% | +143+3.7% | Added |
| Brinker Capital Investments, LLC | 4,525 | $252.4K | 0.00% | −5,818−56.3% | Reduced |
| Orion Portfolio Solutions, LLC | 4,525 | $252.4K | 0.00% | −5,818−56.3% | Reduced |
| Inceptionr LLC | 4,614 | $257.4K | 0.15% | +58+1.3% | Added |
| First Republic Investment Management, Inc. | 4,643 | $259.0K | 0.00% | −678,275−99.3% | Reduced |
| Nisa Investment Advisors, LLC | 4,842 | $270.1K | 0.00% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 4,887 | $272.6K | 0.00% | +4,887 | New |