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 2021
Institutional positions in Rambus Inc as of Jun 30, 2021. 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
- 219
- +6 vs. Q1 2021
- Shares held
- 97.1M
- +1.31M (+1.4%) vs. Q1 2021
- Total value
- $2.30B
- +$439.4M (+23.6%) vs. Q1 2021
- New holders
- 37
- 74 more added
- Sold out
- 31
- 68 more reduced
Compare with Q1 2021: 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 2021
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 896,166 | $21.2M | 0.00% | +50,806+6.0% | Added |
| Renaissance Technologies LLC | 969,060 | $23.0M | 0.03% | −555,900−36.5% | Reduced |
| Invesco Ltd. | 988,078 | $23.4M | 0.01% | −78,902−7.4% | Reduced |
| Bank of New York Mellon Corp | 1,087,557 | $25.8M | 0.00% | −35,959−3.2% | Reduced |
| Norges Bank | 1,284,696 | $30.5M | 0.01% | −57,137−4.3% | Reduced |
| D. E. Shaw & Co., Inc. | 1,378,624 | $32.7M | 0.04% | +104,672+8.2% | Added |
| Northern Trust Corp | 1,713,911 | $40.6M | 0.01% | +12,010+0.7% | Added |
| Geode Capital Management, LLC | 1,964,039 | $46.6M | 0.01% | +72,634+3.8% | Added |
| Nuveen Asset Management, LLC | 2,108,505 | $50.0M | 0.01% | −41,381−1.9% | Reduced |
| Wellington Management Group LLP | 2,438,799 | $57.8M | 0.01% | +168,008+7.4% | Added |
| Silvercrest Asset Management Group LLC | 2,452,706 | $58.2M | 0.38% | −70,116−2.8% | Reduced |
| Loomis Sayles & Co L P | 3,083,840 | $73.1M | 0.09% | +505,189+19.6% | Added |
| Dimensional Fund Advisors LP | 3,785,141 | $89.7M | 0.03% | −141,582−3.6% | Reduced |
| Neuberger Berman Group LLC | 4,057,563 | $95.5M | 0.08% | −161,182−3.8% | Reduced |
| State Street Corp | 4,769,627 | $113.1M | 0.01% | −32,720−0.7% | Reduced |
| Ameriprise Financial Inc | 5,183,596 | $122.9M | 0.04% | +98,773+1.9% | Added |
| Lynrock Lake LP | 7,666,666 | $181.8M | 12.51% | +1,095,521+16.7% | Added |
| Vanguard Group Inc | 12,208,922 | $289.5M | 0.01% | +224,767+1.9% | Added |
| BlackRock Inc. | 17,936,510 | $425.3M | 0.01% | −444,690−2.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −1,068,108−100.0% | Sold out |
| Castleark Management LLC | 0 | $0 | 0.00% | −318,055−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −224,259−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −150,937−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −78,094−100.0% | Sold out |
| Aviva PLC | 0 | $0 | 0.00% | −61,851−100.0% | Sold out |
| Cornercap Investment Counsel Inc | 0 | $0 | 0.00% | −60,065−100.0% | Sold out |
| Crown Advisors Management, Inc. | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Marshall Wace North America L.P. | 0 | $0 | 0.00% | −43,785−100.0% | Sold out |
| K.J. Harrison & Partners Inc | 0 | $0 | 0.00% | −35,000−100.0% | Sold out |
| AMP Capital Investors Ltd | 0 | $0 | 0.00% | −25,370−100.0% | Sold out |
| Athanor Capital, LP | 0 | $0 | 0.00% | −25,197−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −18,879−100.0% | Sold out |
| Ferris Capital, LLC | 0 | $0 | 0.00% | −16,856−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −16,732−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −15,327−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −13,356−100.0% | Sold out |
| Sciencast Management LP | 0 | $0 | 0.00% | −11,332−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −11,161−100.0% | Sold out |
| HAP Trading, LLC | 0 | $0 | 0.00% | −10,388−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −1,154−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −757−100.0% | Sold out |
| Atlas Private Wealth Management | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Archer Investment Corp | 0 | $0 | 0.00% | −368−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −302−100.0% | Sold out |
| Total Clarity Wealth Management, Inc. | 0 | $0 | 0.00% | −238−100.0% | Sold out |
| Enterprise Financial Services Corp | 0 | $0 | 0.00% | −131−100.0% | Sold out |
| Berman Capital Advisors, LLC | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| Wealthcare Advisory Partners LLC | 0 | $0 | 0.00% | −65−100.0% | Sold out |
| Ameritas Investment Company, LLC | 0 | $0 | 0.00% | −43−100.0% | Sold out |