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 2024
Institutional positions in Rambus Inc as of Dec 31, 2024. 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
- 395
- +27 vs. Q3 2024
- Shares held
- 95.1M
- +3.12M (+3.4%) vs. Q3 2024
- Total value
- $5.03B
- +$1.14B (+29.4%) vs. Q3 2024
- New holders
- 78
- 121 more added
- Sold out
- 51
- 153 more reduced
8 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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 2024
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Lindbrook Capital, LLC | 1,513 | $80.0K | 0.01% | +166+12.3% | Added |
| Northwest Capital Management Inc | 2,000 | $105.7K | 0.05% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 2,037 | $107.7K | 0.01% | −23−1.1% | Reduced |
| Clearstead Advisors, LLC | 2,177 | $115.1K | 0.00% | 00.0% | Unchanged |
| Harvest Fund Management Co., Ltd | 3,629 | $134.0K | 0.01% | +3,629 | New |
| GAMMA Investing LLC | 3,137 | $165.8K | 0.01% | +514+19.6% | Added |
| Covestor Ltd | 3,246 | $172.0K | 0.11% | +833+34.5% | Added |
| HHM Wealth Advisors, LLC | 3,529 | $186.5K | 0.03% | +29+0.8% | Added |
| Renaissance Technologies LLC | 3,800 | $200.9K | 0.00% | +3,800 | New |
| Moody National Bank Trust Division | 3,848 | $203.4K | 0.02% | +3,848 | New |
| Shell Asset Management Co | 3,903 | $206.0K | 0.01% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 3,985 | $210.6K | 0.00% | −755−15.9% | Reduced |
| NJ State Employees Deferred Compensation Plan | 4,000 | $211.4K | 0.03% | +4,000 | New |
| KBC Group NV | 4,008 | $212.0K | 0.00% | +1,419+54.8% | Added |
| Mirae Asset Global Investments Co., Ltd. | 3,968 | $215.2K | 0.00% | +3,245+448.8% | Added |
| Gotham Asset Management, LLC | 4,092 | $216.3K | 0.00% | −56,466−93.2% | Reduced |
| EverSource Wealth Advisors, LLC | 4,095 | $216.5K | 0.01% | +3,978+3,400.0% | Added |
| Qsemble Capital Management, LP | 4,141 | $218.9K | 0.03% | −70,769−94.5% | Reduced |
| Sequoia Financial Advisors, LLC | 4,233 | $223.8K | 0.00% | +4,233 | New |
| Shelton Capital Management | 4,265 | $225.4K | 0.01% | −630−12.9% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 4,390 | $232.1K | 0.00% | +4,390 | New |
| M&T Bank Corp | 4,412 | $233.2K | 0.00% | +4,412 | New |
| Magnetar Financial LLC | 4,535 | $239.7K | 0.01% | −5,042−52.6% | Reduced |
| MeadowBrook Investment Advisors LLC | 4,620 | $244.2K | 0.22% | 00.0% | Unchanged |
| Portside Wealth Group, LLC | 4,656 | $246.1K | 0.04% | +4,656 | New |
| Bank Julius Baer & Co. Ltd, Zurich | 4,321 | $252.0K | 0.00% | +317+7.9% | Added |
| PharVision Advisers, LLC | 4,778 | $252.6K | 0.21% | +4,778 | New |
| AE Wealth Management LLC | 4,884 | $258.2K | 0.00% | +4,884 | New |
| Brevan Howard Capital Management LP | 4,907 | $259.4K | 0.01% | −62,201−92.7% | Reduced |
| Sciencast Management LP | 4,939 | $261.1K | 0.07% | −42,197−89.5% | Reduced |
| Rockland Trust Co | 4,996 | $264.1K | 0.01% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 5,004 | $264.5K | 0.00% | −1,821−26.7% | Reduced |
| Lido Advisors, LLC | 5,007 | $264.7K | 0.00% | +5,007 | New |
| MML Investors Services, LLC | 5,084 | $269.0K | 0.00% | +5,084 | New |
| CI Private Wealth, LLC | 5,098 | $269.5K | 0.00% | +5,098 | New |
| Oppenheimer Asset Management Inc. | 5,496 | $290.5K | 0.00% | +120+2.2% | Added |
| Dakota Wealth Management | 5,515 | $291.5K | 0.01% | +5,515 | New |
| Arete Wealth Advisors, LLC | 5,578 | $295.0K | 0.02% | +5,578 | New |
| Coldstream Capital Management Inc | 5,609 | $296.5K | 0.01% | +324+6.1% | Added |
| Equitable Trust Co | 5,775 | $305.3K | 0.02% | +5,775 | New |
| M.E. Allison & Co., Inc. | 5,897 | $311.7K | 0.34% | +5,897 | New |
| Walleye Trading LLC | 5,941 | $314.0K | 0.01% | +5,941 | New |
| Virtu Financial LLC | 6,032 | $319.0K | 0.02% | −3,601−37.4% | Reduced |
| Mercer Global Advisors Inc | 6,075 | $321.1K | 0.00% | −4,216−41.0% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 6,257 | $330.7K | 0.00% | +6,257 | New |
| Atria Investments LLC | 6,362 | $336.3K | 0.00% | +6,362 | New |
| Advisor Group Holdings, Inc. | 7,494 | $351.4K | 0.00% | −8,300−52.6% | Reduced |
| Saturna Capital CORP | 6,681 | $353.2K | 0.00% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 6,688 | $354.0K | 0.01% | −10−0.1% | Reduced |
| Greenwood Capital Associates LLC | 6,754 | $357.0K | 0.05% | −76−1.1% | Reduced |
| Gibbs Wealth Management | 6,850 | $362.1K | 0.10% | +6,850 | New |
| Allspring Global Investments Holdings, LLC | 6,891 | $368.7K | 0.00% | −29,112−80.9% | Reduced |
| Forum Financial Management, LP | 7,017 | $370.9K | 0.01% | −1,001−12.5% | Reduced |
| Mackenzie Financial Corp | 7,081 | $374.3K | 0.00% | −170−2.3% | Reduced |
| Evergreen Capital Management LLC | 7,099 | $375.3K | 0.01% | +44+0.6% | Added |
| Bridgewater Associates, LP | 7,145 | $377.7K | 0.00% | −54,003−88.3% | Reduced |
| Quantinno Capital Management LP | 7,413 | $391.9K | 0.00% | +1,213+19.6% | Added |
| Quantessence Capital LLC | 7,421 | $392.3K | 0.16% | +7,421 | New |
| First Hawaiian Bank | 7,830 | $413.9K | 0.01% | 00.0% | Unchanged |
| Sanctuary Advisors, LLC | 6,910 | $423.0K | 0.00% | +1,622+30.7% | Added |
| Securian Asset Management, Inc | 8,056 | $425.8K | 0.01% | −317−3.8% | Reduced |
| Aigen Investment Management, LP | 8,126 | $429.5K | 0.08% | −26,771−76.7% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 8,159 | $431.3K | 0.00% | +8,159 | New |
| Cambridge Investment Research Advisors, Inc. | 8,192 | $433.0K | 0.00% | +683+9.1% | Added |
| Quest Partners LLC | 8,222 | $434.6K | 0.06% | −20,393−71.3% | Reduced |
| Great Valley Advisor Group, Inc. | 8,250 | $436.1K | 0.01% | −300−3.5% | Reduced |
| Epoch Investment Partners, Inc. | 8,688 | $459.2K | 0.00% | +8,688 | New |
| Nations Financial Group Inc, | 8,925 | $471.8K | 0.03% | +246+2.8% | Added |
| CWM, LLC | 8,938 | $472.0K | 0.00% | +1,451+19.4% | Added |
| Advisors Asset Management, Inc. | 8,932 | $472.1K | 0.01% | −86−1.0% | Reduced |
| Alps Advisors Inc | 9,000 | $475.7K | 0.00% | 00.0% | Unchanged |
| Diversify Advisory Services, LLC | 8,472 | $476.4K | 0.03% | +8,472 | New |
| Jain Global LLC | 9,285 | $490.8K | 0.01% | +9,285 | New |
| Tower Research Capital LLC (TRC) | 9,485 | $501.4K | 0.01% | +6,379+205.4% | Added |
| Holocene Advisors, LP | 9,532 | $503.9K | 0.00% | −4,870−33.8% | Reduced |
| CIBC World Markets Corp | 9,999 | $528.5K | 0.00% | +9,999 | New |
| Unique Wealth Strategies, LLC | 10,056 | $531.6K | 0.23% | +10,056 | New |
| Weiss Asset Management LP | 10,075 | $532.6K | 0.01% | −100,665−90.9% | Reduced |
| Illinois Municipal Retirement Fund | 10,104 | $534.1K | 0.01% | 00.0% | Unchanged |
| Aviva PLC | 10,748 | $568.1K | 0.00% | −5,156−32.4% | Reduced |
| Wesbanco Bank Inc | 10,984 | $580.6K | 0.02% | 00.0% | Unchanged |
| Profund Advisors LLC | 10,986 | $580.7K | 0.02% | −769−6.5% | Reduced |
| Public Employees Retirement Association of Colorado | 10,992 | $581.0K | 0.00% | −226−2.0% | Reduced |
| US Bancorp | 11,686 | $617.7K | 0.00% | +2,327+24.9% | Added |
| Ontario Teachers Pension Plan Board | 11,998 | $634.2K | 0.01% | +662+5.8% | Added |
| RSM US Wealth Management LLC | 11,837 | $634.5K | 0.01% | +1,094+10.2% | Added |
| State of Alaska, Department of Revenue | 12,155 | $642.0K | 0.01% | −355−2.8% | Reduced |
| Stifel Financial Corp | 12,203 | $645.1K | 0.00% | +12,203 | New |
| Mariner, LLC | 12,473 | $659.4K | 0.00% | +167+1.4% | Added |
| Commonwealth Equity Services, LLC | 12,542 | $663.0K | 0.00% | −713−5.4% | Reduced |
| Cerity Partners LLC | 15,076 | $681.4K | 0.00% | −1,539−9.3% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 12,909 | $682.4K | 0.03% | +2,853+28.4% | Added |
| Federated Hermes, Inc. | 13,013 | $687.9K | 0.00% | −4,986−27.7% | Reduced |
| BNC Wealth Management, LLC | 14,068 | $743.6K | 0.24% | −200−1.4% | Reduced |
| Nomura Holdings Inc | 14,115 | $746.1K | 0.00% | +14,115 | New |
| Fox Run Management, L.L.C. | 14,392 | $760.8K | 0.14% | −10,100−41.2% | Reduced |
| Nebula Research & Development LLC | 15,187 | $802.8K | 0.09% | −15,221−50.1% | Reduced |
| Xponance, Inc. | 15,223 | $804.7K | 0.01% | +526+3.6% | Added |
| BNP Paribas | 15,124 | $809.6K | 0.03% | 00.0% | Unchanged |
| Bank of Montreal | 15,480 | $818.3K | 0.00% | −45−0.3% | Reduced |