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 2026
Institutional positions in Rambus Inc as of Jun 30, 2026. 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
- 620
- +71 vs. Q1 2026
- Shares held
- 100.5M
- −1.86M (−1.8%) vs. Q1 2026
- Total value
- $13.3B
- +$4.50B (+51.2%) vs. Q1 2026
- New holders
- 137
- 189 more added
- Sold out
- 66
- 229 more reduced
8 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Buffalo Business & Estate Services Ltd | – | $418.4K | 0.05% | – | New |
| ProCore Advisors, LLC | 3,021 | $401.0K | 0.50% | −102−3.3% | Reduced |
| Oarsman Capital, Inc. | 3,020 | $400.9K | 0.04% | 00.0% | Unchanged |
| Everence Capital Management Inc | 3,003 | $399.0K | 0.02% | 00.0% | Unchanged |
| Stonebridge Financial Group, LLC | 2,980 | $395.0K | 0.05% | +2,980 | New |
| Monticello Wealth Management, LLC | 2,923 | $388.0K | 0.02% | +2,923 | New |
| MML Investors Services, LLC | 2,919 | $387.5K | 0.00% | −2,560−46.7% | Reduced |
| Truvestments Capital LLC | 2,882 | $382.6K | 0.06% | +15+0.5% | Added |
| Keybank National Association | 2,866 | $380.4K | 0.00% | −133−4.4% | Reduced |
| Legacy Advisors, LLC | 2,793 | $370.7K | 0.03% | +2,793 | New |
| VisionPoint Advisory Group, LLC | 2,768 | $367.4K | 0.06% | −164−5.6% | Reduced |
| Inceptionr LLC | 2,663 | $353.5K | 0.09% | −1,688−38.8% | Reduced |
| Foundations Investment Advisors, LLC | 2,639 | $350.3K | 0.00% | +2,639 | New |
| JDH Wealth Management, LLC | 2,582 | $342.7K | 0.21% | +3+0.1% | Added |
| Snowden Capital Advisors LLC | 2,571 | $341.3K | 0.01% | −363−12.4% | Reduced |
| Ewa, LLC | 2,565 | $340.5K | 0.06% | −32−1.2% | Reduced |
| D.A. Davidson & Co. | 2,535 | $336.5K | 0.00% | +135+5.6% | Added |
| Walser Wealth Management Company, A Ltd Liability Co | 2,528 | $335.6K | 0.14% | +2,528 | New |
| HB Wealth Management, LLC | 2,498 | $331.6K | 0.00% | +2,498 | New |
| First Manhattan Co | 2,495 | $331.2K | 0.00% | 00.0% | Unchanged |
| Truist Financial Corp | 2,452 | $325.5K | 0.00% | −450−15.5% | Reduced |
| Sanchez Gaunt Capital Management, LLC | 2,399 | $318.4K | 0.18% | −930−27.9% | Reduced |
| Trust Point Inc. | 2,343 | $311.0K | 0.03% | −29−1.2% | Reduced |
| STRS Ohio | 2,267 | $300.9K | 0.00% | −22,033−90.7% | Reduced |
| Betterment LLC | 2,258 | $300.0K | 0.00% | +2,258 | New |
| Parallel Advisors, LLC | 2,243 | $297.7K | 0.00% | −9−0.4% | Reduced |
| Bartlett & Co. Wealth Management LLC | 2,239 | $297.2K | 0.00% | +1,739+347.8% | Added |
| Schroder Investment Management Group | 2,396 | $296.9K | 0.00% | −106,198−97.8% | Reduced |
| Corient IA LLC | 2,230 | $296.0K | 0.27% | 00.0% | Unchanged |
| Everhart Financial Group, Inc. | 2,200 | $292.0K | 0.02% | −228−9.4% | Reduced |
| Krilogy Financial LLC | 2,190 | $290.7K | 0.01% | −48−2.1% | Reduced |
| Exchange Traded Concepts, LLC | 2,188 | $290.4K | 0.00% | +342+18.5% | Added |
| Horizon Investments, LLC | 2,188 | $290.4K | 0.00% | +342+18.5% | Added |
| Ci Investments Inc. | 2,150 | $285.4K | 0.00% | +2,150 | New |
| Moody National Bank Trust Division | 2,148 | $285.1K | 0.02% | −14,022−86.7% | Reduced |
| Clearstead Advisors, LLC | 2,089 | $277.3K | 0.00% | −451−17.8% | Reduced |
| BankChampaign, National Association | 2,084 | $276.6K | 0.21% | +2,084 | New |
| MAI Capital Management | 2,077 | $275.7K | 0.00% | +956+85.3% | Added |
| Ballentine Partners, LLC | 2,070 | $274.8K | 0.00% | +2,070 | New |
| Chicago Partners Investment Group LLC | 2,641 | $272.5K | 0.01% | +2,641 | New |
| MeadowBrook Investment Advisors LLC | 2,005 | $266.1K | 0.21% | −360−15.2% | Reduced |
| Glenmede Trust Co NA | 1,957 | $259.8K | 0.00% | −157,174−98.8% | Reduced |
| QRG Capital Management, Inc. | 1,948 | $258.6K | 0.00% | +1,948 | New |
| SBI Securities Co., Ltd. | 1,938 | $257.3K | 0.01% | +85+4.6% | Added |
| Ifrah Financial Services, Inc. | 1,927 | $255.9K | 0.06% | +1,927 | New |
| Integrated Wealth Concepts LLC | 1,902 | $252.5K | 0.00% | +1,902 | New |
| Natixis | 1,900 | $252.2K | 0.00% | +1,900 | New |
| EverSource Wealth Advisors, LLC | 1,849 | $245.5K | 0.01% | −339−15.5% | Reduced |
| Allworth Financial LP | 1,847 | $245.2K | 0.00% | +150+8.8% | Added |
| Claret Asset Management Corp | 1,821 | $242.0K | 0.03% | +1,821 | New |
| Wexford Capital LP | 1,823 | $242.0K | 0.03% | +1,823 | New |
| Colony Group, LLC | 1,813 | $240.6K | 0.00% | +1,813 | New |
| Gagnon Securities LLC | 1,778 | $236.0K | 0.05% | −944−34.7% | Reduced |
| Quantessence Capital LLC | 1,757 | $233.2K | 0.69% | +1,757 | New |
| Mount Yale Investment Advisors, LLC | 1,710 | $227.0K | 0.00% | +1,710 | New |
| Arkadios Wealth Advisors | 1,670 | $221.7K | 0.00% | +1,670 | New |
| Kestra Advisory Services, LLC | 1,656 | $219.8K | 0.00% | +1,656 | New |
| FSM Wealth Advisors, LLC | 1,645 | $218.3K | 0.02% | +1,645 | New |
| Beacon Pointe Advisors, LLC | 1,624 | $215.6K | 0.00% | −4,607−73.9% | Reduced |
| Signaturefd, LLC | 1,623 | $215.4K | 0.00% | +203+14.3% | Added |
| Harbour Investments, Inc. | 1,580 | $209.7K | 0.00% | 00.0% | Unchanged |
| Family Management Corp | 1,566 | $207.9K | 0.02% | +1,566 | New |
| Summit Financial, LLC | 1,558 | $206.8K | 0.00% | +1,558 | New |
| Pinnacle Wealth Planning Services, Inc. | 1,554 | $206.3K | 0.02% | −1,030−39.9% | Reduced |
| Blankinship & Foster, LLC | 1,548 | $205.5K | 0.04% | +1,548 | New |
| Brookstone Capital Management | 1,540 | $204.4K | 0.00% | +1,540 | New |
| Stoneridge Investment Partners LLC | 2,237 | $204.0K | 0.13% | −311−12.2% | Reduced |
| Intesa Sanpaolo S.p.A. | 1,579 | $201.9K | 0.01% | −4,660−74.7% | Reduced |
| Atomi Financial Group, Inc. | 1,518 | $201.5K | 0.01% | +1,518 | New |
| Banco Bilbao Vizcaya Argentaria, S.A. | 1,605 | $201.1K | 0.00% | +1,605 | New |
| Daiwa Securities Group Inc. | 1,460 | $193.8K | 0.00% | +300+25.9% | Added |
| Umb Bank N A | 1,325 | $175.9K | 0.00% | +106+8.7% | Added |
| Smartleaf Asset Management LLC | 1,377 | $170.6K | 0.01% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 1,245 | $165.3K | 0.00% | −97−7.2% | Reduced |
| Versant Capital Management, Inc | 1,243 | $165.0K | 0.01% | −33−2.6% | Reduced |
| Larson Financial Group LLC | 1,160 | $154.0K | 0.00% | +143+14.1% | Added |
| Harbor Investment Advisory, LLC | 1,019 | $135.3K | 0.01% | +1,019 | New |
| Credit Industriel Et Commercial | 1,015 | $134.7K | 0.01% | +1,015 | New |
| Union Bancaire Privee, UBP SA | 1,087 | $134.7K | 0.00% | +1,087 | New |
| Migdal Insurance & Financial Holdings Ltd. | 959 | $127.3K | 0.00% | +959 | New |
| Eurizon Capital SGR S.p.A. | 976 | $121.0K | 0.00% | −348−26.3% | Reduced |
| Centaurus Financial, Inc. | 888 | $118.0K | 0.00% | +888 | New |
| Dara Capital US, Inc. | 805 | $106.9K | 0.07% | +805 | New |
| Hollencrest Capital Management | 723 | $96.0K | 0.01% | +488+207.7% | Added |
| Sterling Capital Management LLC | 709 | $94.1K | 0.00% | +10+1.4% | Added |
| Orion Capital Management LLC | 703 | $93.3K | 0.03% | 00.0% | Unchanged |
| Flagship Wealth Advisors, LLC | 700 | $92.9K | 0.02% | +700 | New |
| Banque Cantonale Vaudoise | 689 | $91.0K | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 681 | $90.4K | 0.00% | −334−32.9% | Reduced |
| Spire Wealth Management | 602 | $79.9K | 0.00% | +1+0.2% | Added |
| IFP Advisors, Inc | 596 | $79.1K | 0.00% | +94+18.7% | Added |
| GWM Advisors LLC | 564 | $74.9K | 0.00% | −506−47.3% | Reduced |
| Rakuten Securities, Inc. | 544 | $72.2K | 0.02% | +105+23.9% | Added |
| Massmutual Trust Co FSB | 474 | $62.9K | 0.00% | −11−2.3% | Reduced |
| True Wealth Design, LLC | 462 | $61.3K | 0.01% | −3−0.6% | Reduced |
| Rothschild Investment LLC | 462 | $61.3K | 0.00% | +152+49.0% | Added |
| NBT Bank N A | 437 | $58.0K | 0.00% | +437 | New |
| SHP Wealth Management | 426 | $56.5K | 0.00% | +314+280.4% | Added |
| Macquarie Group Ltd | 406 | $53.9K | 0.00% | +406 | New |
| Strategic Advocates LLC | 403 | $53.5K | 0.21% | +116+40.4% | Added |