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 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 | 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 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 |
|---|---|---|---|---|---|
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −28,030−100.0% | Sold out |
| Truist Financial Corp | 0 | $0 | 0.00% | −27,492−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −22,148−100.0% | Sold out |
| Cipher Capital LP | 0 | $0 | 0.00% | −14,412−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −14,322−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −12,546−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −10,955−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −10,118−100.0% | Sold out |
| Seven Eight Capital, LP | 0 | $0 | 0.00% | −9,556−100.0% | Sold out |
| CSS LLC | 0 | $0 | 0.00% | −8,500−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −5,639−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −5,417−100.0% | Sold out |
| Symmetry Peak Management LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Bank of Nova Scotia | 0 | $0 | 0.00% | −4,942−100.0% | Sold out |
| Cetera Advisors LLC | 0 | $0 | 0.00% | −4,820−100.0% | Sold out |
| Martingale Asset Management L P | 0 | $0 | 0.00% | −4,658−100.0% | Sold out |
| Patriot Financial Group Insurance Agency, LLC | 0 | $0 | 0.00% | −4,401−100.0% | Sold out |
| DuPont Capital Management Corp | 0 | $0 | 0.00% | −3,497−100.0% | Sold out |
| Bokf, NA | 0 | $0 | 0.00% | −1,065−100.0% | Sold out |
| Baillie Gifford & Co | 0 | $0 | 0.00% | −740−100.0% | Sold out |
| Orion Capital Management LLC | 0 | $0 | 0.00% | −703−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −477−100.0% | Sold out |
| Ameritas Advisory Services, LLC | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| TCI Wealth Advisors, Inc. | 0 | $0 | 0.00% | −279−100.0% | Sold out |
| Sageworth Trust Co | 0 | $0 | 0.00% | −143−100.0% | Sold out |
| Sageworth Trust Co of South Dakota | 0 | $0 | 0.00% | −122−100.0% | Sold out |
| Ancora Advisors, LLC | 0 | $0 | 0.00% | −107−100.0% | Sold out |
| Values First Advisors, Inc. | 0 | $0 | 0.00% | −104−100.0% | Sold out |
| Schubert & Co | 0 | $0 | 0.00% | −49−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| ETF Managers Group, LLC | – | – | – | – | Not filed |
| Householder Group Estate & Retirement Specialist, LLC | – | – | – | – | Not filed |