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, Q2 2023
Institutional positions in Rambus Inc as of Jun 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
- 393
- +58 vs. Q1 2023
- Shares held
- 95.7M
- +2.08M (+2.2%) vs. Q1 2023
- Total value
- $6.14B
- +$1.33B (+27.5%) vs. Q1 2023
- New holders
- 95
- 139 more added
- Sold out
- 37
- 128 more reduced
2 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2023
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tfo-TDC, LLC | 4 | $257 | 0.00% | 00.0% | Unchanged |
| Abound Wealth Management | 8 | $514 | 0.00% | +8 | New |
| Plante Moran Financial Advisors, LLC | 10 | $642 | 0.00% | +10 | New |
| Albion Financial Group | 13 | $835 | 0.00% | +13 | New |
| Disciplined Investments, LLC | 18 | $1.16K | 0.00% | 00.0% | Unchanged |
| AdvisorNet Financial, Inc | 20 | $1.28K | 0.00% | −3−13.0% | Reduced |
| Venturi Wealth Management, LLC | 22 | $1.41K | 0.00% | +22 | New |
| Harbour Investments, Inc. | 23 | $1.48K | 0.00% | −9−28.1% | Reduced |
| SJS Investment Consulting Inc. | 23 | $1.48K | 0.00% | −3−11.5% | Reduced |
| Carolinas Wealth Consulting LLC | 23 | $1.50K | 0.00% | +23 | New |
| CGC Financial Services, LLC | 25 | $1.60K | 0.00% | +25 | New |
| Toth Financial Advisory Corp | 30 | $1.93K | 0.00% | +30 | New |
| Farther Finance Advisors, LLC | 33 | $2.12K | 0.00% | +2+6.5% | Added |
| Bell Investment Advisors, Inc | 49 | $3.15K | 0.00% | +8+19.5% | Added |
| West Tower Group, LLC | 50 | $3.21K | 0.00% | +50 | New |
| Horan Securities, Inc. | 52 | $3.34K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 55 | $3.53K | 0.00% | −17−23.6% | Reduced |
| Glassman Wealth Services | 56 | $3.59K | 0.00% | 00.0% | Unchanged |
| Valley National Advisers Inc | 50 | $4.00K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 84 | $5.39K | 0.00% | 00.0% | Unchanged |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 87 | $5.58K | 0.00% | +87 | New |
| EverSource Wealth Advisors, LLC | 92 | $5.90K | 0.00% | +4+4.5% | Added |
| Anchor Investment Management, LLC | 117 | $7.51K | 0.00% | +117 | New |
| Huntington National Bank | 120 | $7.70K | 0.00% | +119+11,900.0% | Added |
| JFS Wealth Advisors, LLC | 121 | $7.76K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 133 | $8.54K | 0.00% | +53+66.3% | Added |
| Raleigh Capital Management Inc. | 134 | $8.60K | 0.00% | +134 | New |
| Key Financial Inc | 137 | $8.79K | 0.00% | +137 | New |
| Coppell Advisory Solutions LLC | 147 | $9.41K | 0.00% | +147 | New |
| Ronald Blue Trust, Inc. | 245 | $12.0K | 0.00% | +223+1,013.6% | Added |
| Psagot Value Holdings Ltd. / (Israel) | 198 | $12.0K | 0.01% | +198 | New |
| V-Square Quantitative Management LLC | 193 | $12.4K | 0.01% | +193 | New |
| CarsonAllaria Wealth Management, Ltd. | 200 | $12.8K | 0.01% | −350−63.6% | Reduced |
| Fairfield, Bush & Co. | 200 | $12.8K | 0.00% | +200 | New |
| First Horizon Advisors, Inc. | 203 | $13.0K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 205 | $13.2K | 0.01% | +205 | New |
| Allworth Financial LP | 248 | $15.9K | 0.00% | +6+2.5% | Added |
| Fifth Third Bancorp | 282 | $18.1K | 0.00% | +25+9.7% | Added |
| IFP Advisors, Inc | 1,366 | $18.6K | 0.00% | −481−26.0% | Reduced |
| Tradewinds Capital Management, LLC | 296 | $19.0K | 0.01% | 00.0% | Unchanged |
| Tradition Wealth Management, LLC | 300 | $19.0K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 308 | $20.0K | 0.00% | +88+40.0% | Added |
| Massmutual Trust Co FSB | 317 | $20.3K | 0.00% | +44+16.1% | Added |
| TD Private Client Wealth LLC | 337 | $21.6K | 0.00% | −107−24.1% | Reduced |
| Credit Agricole S A | 347 | $22.3K | 0.00% | +347 | New |
| Riggs Asset Managment Co. Inc. | 400 | $25.7K | 0.01% | 00.0% | Unchanged |
| Altshuler Shaham Ltd | 434 | $27.9K | 0.00% | −258−37.3% | Reduced |
| Parallel Advisors, LLC | 478 | $30.7K | 0.00% | −164−25.5% | Reduced |
| Penserra Capital Management LLC | 496 | $31.0K | 0.00% | −32,367−98.5% | Reduced |
| Bartlett & Co. LLC | 500 | $32.0K | 0.00% | 00.0% | Unchanged |
| Bartlett & Co. Wealth Management LLC | 500 | $32.1K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 500 | $32.1K | 0.00% | +500 | New |
| Proequities, Inc. | 542 | $34.8K | 0.00% | +2+0.4% | Added |
| Parkside Financial Bank & Trust | 563 | $36.1K | 0.01% | +142+33.7% | Added |
| Maryland Capital Advisors Inc. | 575 | $36.9K | 0.03% | 00.0% | Unchanged |
| WealthPLAN Partners, LLC | 600 | $38.5K | 0.01% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 638 | $40.0K | 0.00% | +638 | New |
| Virtus Fund Advisers, LLC | 705 | $45.2K | 0.32% | −1,622−69.7% | Reduced |
| Versant Capital Management, Inc | 745 | $47.8K | 0.02% | −131−15.0% | Reduced |
| Signaturefd, LLC | 802 | $51.5K | 0.00% | +47+6.2% | Added |
| FNY Investment Advisers, LLC | 825 | $52.0K | 0.07% | +825 | New |
| Pacer Advisors, Inc. | 876 | $56.2K | 0.00% | +876 | New |
| Advisors Asset Management, Inc. | 958 | $61.5K | 0.00% | −24,602−96.3% | Reduced |
| Covestor Ltd | 966 | $62.0K | 0.05% | +662+217.8% | Added |
| Park Place Capital Corp | 1,081 | $69.4K | 0.02% | −227−17.4% | Reduced |
| Lindbrook Capital, LLC | 1,159 | $74.4K | 0.01% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 1,315 | $84.4K | 0.01% | 00.0% | Unchanged |
| Leonteq Securities AG | 1,345 | $86.3K | 0.01% | 00.0% | Unchanged |
| Migdal Insurance & Financial Holdings Ltd. | 1,449 | $91.0K | 0.00% | −3,347−69.8% | Reduced |
| Archer Investment Corp | 1,780 | $114.2K | 0.04% | −368−17.1% | Reduced |
| Northwest Capital Management Inc | 2,000 | $128.3K | 0.05% | +2,000 | New |
| Nomura Asset Management Co Ltd | 2,186 | $140.3K | 0.00% | +2,186 | New |
| Hollencrest Capital Management | 2,373 | $152.3K | 0.02% | +1,822+330.7% | Added |
| Cullen/Frost Bankers, Inc. | 2,611 | $167.5K | 0.00% | −1,198−31.5% | Reduced |
| Quadrant Capital Group LLC | 2,831 | $181.7K | 0.02% | +33+1.2% | Added |
| Tower Research Capital LLC (TRC) | 2,849 | $182.8K | 0.01% | +130+4.8% | Added |
| SG Americas Securities, LLC | 2,966 | $190.0K | 0.00% | +612+26.0% | Added |
| Spire Wealth Management | 3,005 | $192.8K | 0.01% | −1,396−31.7% | Reduced |
| Harvest Fund Management Co., Ltd | 3,137 | $201.0K | 0.04% | −4,781−60.4% | Reduced |
| USA Financial Portformulas Corp | 3,155 | $202.5K | 0.31% | −72−2.2% | Reduced |
| CIBC Asset Management Inc | 3,177 | $203.9K | 0.00% | +3,177 | New |
| Saturna Capital CORP | 3,199 | $205.3K | 0.00% | +3,199 | New |
| Mirabella Financial Services LLP | 3,240 | $207.9K | 0.02% | +3,240 | New |
| Magnetar Financial LLC | 3,294 | $211.4K | 0.00% | +3,294 | New |
| Cresset Asset Management, LLC | 3,298 | $211.6K | 0.00% | +3,298 | New |
| CoreCap Advisors, LLC | 3,344 | $214.6K | 0.02% | +3,344 | New |
| ISAM Funds (UK) Ltd | 3,415 | $219.1K | 0.20% | +3,415 | New |
| Forum Financial Management, LP | 3,416 | $219.2K | 0.00% | +3,416 | New |
| Level Four Advisory Services, LLC | 3,477 | $223.1K | 0.01% | +3,477 | New |
| Qube Research & Technologies Ltd | 3,495 | $224.3K | 0.00% | +3,495 | New |
| Cetera Investment Advisers | 3,514 | $225.5K | 0.00% | +3,514 | New |
| Bailard, Inc. | 3,530 | $226.5K | 0.01% | +3,530 | New |
| Journey Strategic Wealth LLC | 3,554 | $228.1K | 0.01% | +3,554 | New |
| Schechter Investment Advisors, LLC | 3,631 | $233.0K | 0.02% | +3,631 | New |
| Redwood Wealth Management Group, LLC | 3,768 | $241.8K | 0.27% | −1,215−24.4% | Reduced |
| MQS Management LLC | 3,838 | $246.3K | 0.17% | −5,973−60.9% | Reduced |
| Ewa, LLC | 3,846 | $246.8K | 0.17% | +3,846 | New |
| Capital CS Group, LLC | 3,933 | $252.4K | 0.26% | −2,493−38.8% | Reduced |
| CI Private Wealth, LLC | 3,953 | $253.7K | 0.00% | −4,743−54.5% | Reduced |
| Guidance Capital, Inc | 4,858 | $254.1K | 0.11% | +4,858 | New |