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, Q2 2025
Institutional positions in Rambus Inc as of Jun 30, 2025. 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
- 459
- +49 vs. Q1 2025
- Shares held
- 97.1M
- +715.5K (+0.7%) vs. Q1 2025
- Total value
- $6.22B
- +$1.23B (+24.5%) vs. Q1 2025
- New holders
- 88
- 191 more added
- Sold out
- 39
- 131 more reduced
3 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Gould Capital, LLC | 17,392 | $1.11M | 0.74% | +312+1.8% | Added |
| Stifel Financial Corp | 17,271 | $1.11M | 0.00% | +3,046+21.4% | Added |
| Diversify Advisory Services, LLC | 14,284 | $1.09M | 0.04% | +1,607+12.7% | Added |
| Envestnet Portfolio Solutions, Inc. | 16,947 | $1.08M | 0.00% | +11,342+202.4% | Added |
| Guggenheim Capital LLC | 16,778 | $1.07M | 0.01% | −907−5.1% | Reduced |
| Kovitz Investment Group Partners, LLC | 16,719 | $1.07M | 0.00% | +146+0.9% | Added |
| Quantinno Capital Management LP | 16,527 | $1.06M | 0.00% | +1,503+10.0% | Added |
| CWM, LLC | 16,267 | $1.04M | 0.00% | +3,026+22.9% | Added |
| Fox Run Management, L.L.C. | 16,033 | $1.03M | 0.17% | +16,033 | New |
| Tower Research Capital LLC (TRC) | 15,601 | $998.8K | 0.03% | +8,902+132.9% | Added |
| OP Asset Management Ltd | 15,469 | $990.3K | 0.01% | −6,275−28.9% | Reduced |
| Xponance, Inc. | 15,468 | $990.3K | 0.01% | −35−0.2% | Reduced |
| The PNC Financial Services Group, Inc. | 15,126 | $968.4K | 0.00% | −43−0.3% | Reduced |
| Edgestream Partners, L.P. | 14,876 | $952.4K | 0.03% | +5,872+65.2% | Added |
| Quadrant Capital Group LLC | 14,780 | $946.2K | 0.03% | −51−0.3% | Reduced |
| Campbell & CO Investment Adviser LLC | 14,285 | $914.5K | 0.06% | +14,285 | New |
| Bank of Montreal | 13,998 | $896.2K | 0.00% | −1,695−10.8% | Reduced |
| Gibbs Wealth Management | 13,925 | $891.5K | 0.17% | +2,364+20.4% | Added |
| Y-Intercept (Hong Kong) Ltd | 13,734 | $879.3K | 0.02% | +3,676+36.5% | Added |
| First Citizens Bank & Trust Co | 13,591 | $870.1K | 0.02% | +9,718+250.9% | Added |
| US Bancorp | 13,482 | $863.1K | 0.00% | +4,821+55.7% | Added |
| Caisse de Depot Et Placement du Quebec | 13,379 | $856.5K | 0.00% | +13,379 | New |
| CIBC World Markets Corp | 13,304 | $851.7K | 0.01% | −10,406−43.9% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 13,102 | $839.0K | 0.00% | +6,105+87.3% | Added |
| Virginia Retirement Systems Et Al | 12,960 | $829.7K | 0.01% | −2,500−16.2% | Reduced |
| BNC Wealth Management, LLC | 12,568 | $804.6K | 0.24% | 00.0% | Unchanged |
| Alliance Wealth Advisors, LLC | 12,181 | $779.8K | 0.19% | +211+1.8% | Added |
| State of Alaska, Department of Revenue | 12,075 | $773.0K | 0.01% | −415−3.3% | Reduced |
| Commonwealth Equity Services, LLC | 12,044 | $771.0K | 0.00% | −1,008−7.7% | Reduced |
| Elo Mutual Pension Insurance Co | 11,780 | $754.2K | 0.02% | −1,366−10.4% | Reduced |
| Toroso Investments, LLC | 11,652 | $746.0K | 0.00% | −11,783−50.3% | Reduced |
| Advisor Group Holdings, Inc. | 11,620 | $702.2K | 0.00% | +3,146+37.1% | Added |
| Bokf, NA | 10,764 | $689.1K | 0.01% | +10,764 | New |
| Public Employees Retirement Association of Colorado | 10,766 | $689.0K | 0.00% | −226−2.1% | Reduced |
| Tudor Investment Corp Et Al | 10,689 | $684.3K | 0.01% | +10,689 | New |
| Federated Hermes, Inc. | 10,027 | $641.9K | 0.00% | −69−0.7% | Reduced |
| Neo Ivy Capital Management | 9,740 | $623.6K | 0.20% | +9,740 | New |
| Graham Capital Management, L.P. | 9,515 | $609.1K | 0.02% | +9,515 | New |
| Profund Advisors LLC | 9,466 | $606.0K | 0.02% | −250−2.6% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 9,176 | $604.6K | 0.00% | +2,264+32.8% | Added |
| RSM US Wealth Management LLC | 9,320 | $596.7K | 0.01% | −498−5.1% | Reduced |
| Illinois Municipal Retirement Fund | 9,305 | $595.7K | 0.01% | −799−7.9% | Reduced |
| Sanctuary Advisors, LLC | 9,293 | $594.9K | 0.00% | +2,033+28.0% | Added |
| Greenwood Capital Associates LLC | 9,218 | $590.1K | 0.07% | −1,184−11.4% | Reduced |
| Horizon Investments, LLC | 9,158 | $586.3K | 0.01% | +9,158 | New |
| Mirae Asset Global Investments Co., Ltd. | 9,127 | $584.3K | 0.00% | −25,852−73.9% | Reduced |
| Nations Financial Group Inc, | 9,087 | $581.8K | 0.04% | −17−0.2% | Reduced |
| Moody National Bank Trust Division | 8,906 | $570.2K | 0.05% | −124−1.4% | Reduced |
| Portside Wealth Group, LLC | 8,889 | $569.1K | 0.08% | −35−0.4% | Reduced |
| Inceptionr LLC | 8,609 | $551.1K | 0.13% | −8,643−50.1% | Reduced |
| GWM Advisors LLC | 8,605 | $550.9K | 0.00% | −812−8.6% | Reduced |
| SG Americas Securities, LLC | 8,588 | $550.0K | 0.00% | −481,959−98.2% | Reduced |
| Atria Investments LLC | 8,538 | $546.6K | 0.01% | +941+12.4% | Added |
| Aviva PLC | 8,196 | $524.7K | 0.00% | −2,605−24.1% | Reduced |
| Securian Asset Management, Inc | 8,180 | $523.7K | 0.01% | +124+1.5% | Added |
| Oak Grove Capital LLC | 8,100 | $518.6K | 0.12% | +8,100 | New |
| Verition Fund Management LLC | 7,970 | $510.2K | 0.00% | −4,356−35.3% | Reduced |
| Keebeck Wealth Management, LLC | 7,852 | $502.7K | 0.07% | +7,852 | New |
| Amundi | 7,611 | $494.7K | 0.00% | +2,886+61.1% | Added |
| TownSquare Capital, LLC | 7,727 | $494.7K | 0.05% | −90,676−92.1% | Reduced |
| Wolverine Trading, LLC | 7,522 | $481.4K | 0.01% | +7,522 | New |
| K.J. Harrison & Partners Inc | 7,500 | $480.1K | 0.08% | 00.0% | Unchanged |
| Hancock Whitney Corp | 7,467 | $478.0K | 0.01% | +2,971+66.1% | Added |
| Empowered Funds, LLC | 7,462 | $477.7K | 0.01% | −15,288−67.2% | Reduced |
| Norden Group LLC | 7,447 | $476.8K | 0.05% | +381+5.4% | Added |
| Truvestments Capital LLC | 7,406 | $474.1K | 0.09% | −639−7.9% | Reduced |
| Advisors Asset Management, Inc. | 7,328 | $469.1K | 0.01% | −1,314−15.2% | Reduced |
| Financiere des Professionnels - Fonds d,investissement inc. | 7,317 | $468.4K | 0.03% | +7,317 | New |
| Integrated Advisors Network LLC | 7,306 | $467.7K | 0.02% | −2,034−21.8% | Reduced |
| Evergreen Capital Management LLC | 7,272 | $465.6K | 0.01% | −61−0.8% | Reduced |
| Great Valley Advisor Group, Inc. | 7,200 | $460.9K | 0.01% | −1,650−18.6% | Reduced |
| Yorktown Management & Research Co Inc | 7,000 | $448.1K | 0.43% | 00.0% | Unchanged |
| MML Investors Services, LLC | 6,754 | $432.0K | 0.00% | +787+13.2% | Added |
| Crossmark Global Holdings, Inc. | 6,721 | $430.3K | 0.01% | +84+1.3% | Added |
| Alps Advisors Inc | 6,670 | $427.0K | 0.00% | +81+1.2% | Added |
| Northwestern Mutual Wealth Management Co | 6,594 | $422.1K | 0.00% | +775+13.3% | Added |
| Independent Financial Group, LLC | 6,500 | $416.1K | 0.01% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 6,464 | $413.8K | 0.00% | −672−9.4% | Reduced |
| Private Advisor Group, LLC | 6,407 | $410.2K | 0.00% | +6,407 | New |
| TCG Advisory Services, LLC | 6,300 | $403.3K | 0.01% | +6,300 | New |
| Penserra Capital Management LLC | 6,263 | $400.0K | 0.01% | +6,263 | New |
| Counterpoint Mutual Funds LLC | 6,041 | $386.7K | 0.03% | +6,041 | New |
| Dynamic Technology Lab Private Ltd | 5,960 | $382.0K | 0.05% | +5,960 | New |
| M.E. Allison & Co., Inc. | 5,897 | $377.5K | 0.30% | 00.0% | Unchanged |
| Dakota Wealth Management | 5,681 | $363.7K | 0.01% | +189+3.4% | Added |
| MQS Management LLC | 5,612 | $359.3K | 0.20% | +5,612 | New |
| Coldstream Capital Management Inc | 5,578 | $357.1K | 0.01% | −40−0.7% | Reduced |
| Pacer Advisors, Inc. | 5,528 | $353.9K | 0.00% | −2,555−31.6% | Reduced |
| Sequoia Financial Advisors, LLC | 5,297 | $339.1K | 0.00% | +256+5.1% | Added |
| Readystate Asset Management LP | 5,275 | $337.7K | 0.01% | +5,275 | New |
| Prosperity Wealth Management, Inc. | 5,245 | $335.8K | 0.12% | +5,245 | New |
| Engineers Gate Manager LP | 5,170 | $331.0K | 0.00% | −14,978−74.3% | Reduced |
| Lido Advisors, LLC | 5,150 | $329.7K | 0.00% | −409−7.4% | Reduced |
| Buckingham Strategic Partners | 5,109 | $326.7K | 0.00% | −69−1.3% | Reduced |
| Rockland Trust Co | 4,996 | $319.8K | 0.02% | 00.0% | Unchanged |
| M&T Bank Corp | 4,982 | $318.9K | 0.00% | +104+2.1% | Added |
| Gotham Asset Management, LLC | 4,933 | $315.8K | 0.00% | +4,933 | New |
| AE Wealth Management LLC | 4,741 | $303.5K | 0.00% | +7+0.1% | Added |
| Keybank National Association | 4,715 | $301.9K | 0.00% | +4,715 | New |
| Brinker Capital Investments, LLC | 4,673 | $299.2K | 0.00% | +4,673 | New |