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 |
|---|---|---|---|---|---|
| Tokio Marine Asset Management Co Ltd | 184 | $24.4K | 0.00% | +184 | New |
| Aventura Private Wealth, LLC | 189 | $25.1K | 0.01% | −10−5.0% | Reduced |
| Danske Bank A/S | 200 | $26.5K | 0.00% | 00.0% | Unchanged |
| Mather Group, LLC. | 204 | $27.1K | 0.00% | 00.0% | Unchanged |
| Strive Financial Group ,LLC | 210 | $27.9K | 0.01% | 00.0% | Unchanged |
| Acumen Wealth Advisors, LLC | 221 | $29.3K | 0.01% | −54−19.6% | Reduced |
| Fortitude Family Office, LLC | 227 | $30.1K | 0.01% | +125+122.5% | Added |
| Steigerwald, Gordon & Koch Inc. | 236 | $31.3K | 0.00% | 00.0% | Unchanged |
| Maryland Capital Advisors Inc. | 257 | $34.1K | 0.01% | +257 | New |
| Banque Transatlantique SA | 260 | $34.5K | 0.00% | +260 | New |
| Private Trust Co NA | 265 | $35.2K | 0.00% | −23−8.0% | Reduced |
| First Horizon Corp | 267 | $35.4K | 0.00% | +111+71.2% | Added |
| Essential Partners LLC | 274 | $36.4K | 0.02% | +35+14.6% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 306 | $40.6K | 0.00% | 00.0% | Unchanged |
| Private Wealth Asset Management, LLC | 339 | $45.0K | 0.00% | 00.0% | Unchanged |
| PenderFund Capital Management Ltd. | 350 | $46.5K | 0.01% | −50−12.5% | Reduced |
| International Assets Investment Management, LLC | 393 | $48.7K | 0.00% | +393 | New |
| Persistent Asset Partners Ltd | 368 | $48.8K | 0.02% | +368 | New |
| Covestor Ltd | 395 | $53.0K | 0.03% | −190−32.5% | Reduced |
| CoreCap Advisors, LLC | 400 | $53.1K | 0.00% | +400 | New |
| Strategic Advocates LLC | 403 | $53.5K | 0.21% | +116+40.4% | Added |
| Macquarie Group Ltd | 406 | $53.9K | 0.00% | +406 | New |
| SHP Wealth Management | 426 | $56.5K | 0.00% | +314+280.4% | Added |
| NBT Bank N A | 437 | $58.0K | 0.00% | +437 | New |
| 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 |
| Massmutual Trust Co FSB | 474 | $62.9K | 0.00% | −11−2.3% | Reduced |
| Rakuten Securities, Inc. | 544 | $72.2K | 0.02% | +105+23.9% | Added |
| GWM Advisors LLC | 564 | $74.9K | 0.00% | −506−47.3% | Reduced |
| IFP Advisors, Inc | 596 | $79.1K | 0.00% | +94+18.7% | Added |
| Spire Wealth Management | 602 | $79.9K | 0.00% | +1+0.2% | Added |
| Ronald Blue Trust, Inc. | 681 | $90.4K | 0.00% | −334−32.9% | Reduced |
| Banque Cantonale Vaudoise | 689 | $91.0K | 0.00% | 00.0% | Unchanged |
| Flagship Wealth Advisors, LLC | 700 | $92.9K | 0.02% | +700 | New |
| Orion Capital Management LLC | 703 | $93.3K | 0.03% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 709 | $94.1K | 0.00% | +10+1.4% | Added |
| Hollencrest Capital Management | 723 | $96.0K | 0.01% | +488+207.7% | Added |
| Dara Capital US, Inc. | 805 | $106.9K | 0.07% | +805 | New |
| Centaurus Financial, Inc. | 888 | $118.0K | 0.00% | +888 | New |
| Eurizon Capital SGR S.p.A. | 976 | $121.0K | 0.00% | −348−26.3% | Reduced |
| Migdal Insurance & Financial Holdings Ltd. | 959 | $127.3K | 0.00% | +959 | New |
| Union Bancaire Privee, UBP SA | 1,087 | $134.7K | 0.00% | +1,087 | New |
| Credit Industriel Et Commercial | 1,015 | $134.7K | 0.01% | +1,015 | New |
| Harbor Investment Advisory, LLC | 1,019 | $135.3K | 0.01% | +1,019 | New |
| Larson Financial Group LLC | 1,160 | $154.0K | 0.00% | +143+14.1% | Added |
| Versant Capital Management, Inc | 1,243 | $165.0K | 0.01% | −33−2.6% | Reduced |
| Northwestern Mutual Wealth Management Co | 1,245 | $165.3K | 0.00% | −97−7.2% | Reduced |
| Smartleaf Asset Management LLC | 1,377 | $170.6K | 0.01% | 00.0% | Unchanged |
| Umb Bank N A | 1,325 | $175.9K | 0.00% | +106+8.7% | Added |
| Daiwa Securities Group Inc. | 1,460 | $193.8K | 0.00% | +300+25.9% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 1,605 | $201.1K | 0.00% | +1,605 | New |
| Atomi Financial Group, Inc. | 1,518 | $201.5K | 0.01% | +1,518 | New |
| Intesa Sanpaolo S.p.A. | 1,579 | $201.9K | 0.01% | −4,660−74.7% | Reduced |
| Stoneridge Investment Partners LLC | 2,237 | $204.0K | 0.13% | −311−12.2% | Reduced |
| Brookstone Capital Management | 1,540 | $204.4K | 0.00% | +1,540 | New |
| Blankinship & Foster, LLC | 1,548 | $205.5K | 0.04% | +1,548 | New |
| Pinnacle Wealth Planning Services, Inc. | 1,554 | $206.3K | 0.02% | −1,030−39.9% | Reduced |
| Summit Financial, LLC | 1,558 | $206.8K | 0.00% | +1,558 | New |
| Family Management Corp | 1,566 | $207.9K | 0.02% | +1,566 | New |
| Harbour Investments, Inc. | 1,580 | $209.7K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 1,623 | $215.4K | 0.00% | +203+14.3% | Added |
| Beacon Pointe Advisors, LLC | 1,624 | $215.6K | 0.00% | −4,607−73.9% | Reduced |
| FSM Wealth Advisors, LLC | 1,645 | $218.3K | 0.02% | +1,645 | New |
| Kestra Advisory Services, LLC | 1,656 | $219.8K | 0.00% | +1,656 | New |
| Arkadios Wealth Advisors | 1,670 | $221.7K | 0.00% | +1,670 | New |
| Mount Yale Investment Advisors, LLC | 1,710 | $227.0K | 0.00% | +1,710 | New |
| Quantessence Capital LLC | 1,757 | $233.2K | 0.69% | +1,757 | New |
| Gagnon Securities LLC | 1,778 | $236.0K | 0.05% | −944−34.7% | Reduced |
| Colony Group, LLC | 1,813 | $240.6K | 0.00% | +1,813 | New |
| Wexford Capital LP | 1,823 | $242.0K | 0.03% | +1,823 | New |
| Claret Asset Management Corp | 1,821 | $242.0K | 0.03% | +1,821 | New |
| Allworth Financial LP | 1,847 | $245.2K | 0.00% | +150+8.8% | Added |
| EverSource Wealth Advisors, LLC | 1,849 | $245.5K | 0.01% | −339−15.5% | Reduced |
| Natixis | 1,900 | $252.2K | 0.00% | +1,900 | New |
| Integrated Wealth Concepts LLC | 1,902 | $252.5K | 0.00% | +1,902 | New |
| Ifrah Financial Services, Inc. | 1,927 | $255.9K | 0.06% | +1,927 | New |
| SBI Securities Co., Ltd. | 1,938 | $257.3K | 0.01% | +85+4.6% | Added |
| QRG Capital Management, Inc. | 1,948 | $258.6K | 0.00% | +1,948 | New |
| Glenmede Trust Co NA | 1,957 | $259.8K | 0.00% | −157,174−98.8% | Reduced |
| MeadowBrook Investment Advisors LLC | 2,005 | $266.1K | 0.21% | −360−15.2% | Reduced |
| Chicago Partners Investment Group LLC | 2,641 | $272.5K | 0.01% | +2,641 | New |
| Ballentine Partners, LLC | 2,070 | $274.8K | 0.00% | +2,070 | New |
| MAI Capital Management | 2,077 | $275.7K | 0.00% | +956+85.3% | Added |
| BankChampaign, National Association | 2,084 | $276.6K | 0.21% | +2,084 | New |
| Clearstead Advisors, LLC | 2,089 | $277.3K | 0.00% | −451−17.8% | Reduced |
| Moody National Bank Trust Division | 2,148 | $285.1K | 0.02% | −14,022−86.7% | Reduced |
| Ci Investments Inc. | 2,150 | $285.4K | 0.00% | +2,150 | New |
| 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 |
| Krilogy Financial LLC | 2,190 | $290.7K | 0.01% | −48−2.1% | Reduced |
| Everhart Financial Group, Inc. | 2,200 | $292.0K | 0.02% | −228−9.4% | Reduced |
| Corient IA LLC | 2,230 | $296.0K | 0.27% | 00.0% | Unchanged |
| Schroder Investment Management Group | 2,396 | $296.9K | 0.00% | −106,198−97.8% | Reduced |
| Bartlett & Co. Wealth Management LLC | 2,239 | $297.2K | 0.00% | +1,739+347.8% | Added |
| Parallel Advisors, LLC | 2,243 | $297.7K | 0.00% | −9−0.4% | Reduced |
| Betterment LLC | 2,258 | $300.0K | 0.00% | +2,258 | New |
| STRS Ohio | 2,267 | $300.9K | 0.00% | −22,033−90.7% | Reduced |
| Trust Point Inc. | 2,343 | $311.0K | 0.03% | −29−1.2% | Reduced |
| Sanchez Gaunt Capital Management, LLC | 2,399 | $318.4K | 0.18% | −930−27.9% | Reduced |
| Truist Financial Corp | 2,452 | $325.5K | 0.00% | −450−15.5% | Reduced |