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, Q4 2021
Institutional positions in Rambus Inc as of Dec 31, 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
- 258
- +26 vs. Q3 2021
- Shares held
- 95.6M
- +2.33M (+2.5%) vs. Q3 2021
- Total value
- $2.80B
- +$735.3M (+35.5%) vs. Q3 2021
- New holders
- 55
- 84 more added
- Sold out
- 29
- 77 more reduced
4 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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 | 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, Q4 2021
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Allspring Global Investments Holdings, LLC | 52,285 | $1.54M | 0.00% | +52,285 | New |
| Truist Financial Corp | 51,955 | $1.53M | 0.00% | +1,355+2.7% | Added |
| Amalgamated Bank | 51,493 | $1.51M | 0.01% | −701−1.3% | Reduced |
| Victory Capital Management Inc | 50,015 | $1.47M | 0.00% | −8,268−14.2% | Reduced |
| UBS Group AG | 48,787 | $1.43M | 0.00% | +45,951+1,620.3% | Added |
| Gotham Asset Management, LLC | 48,353 | $1.42M | 0.05% | +17,633+57.4% | Added |
| Gyon Technologies Capital Management, LP | 46,583 | $1.37M | 0.25% | +469+1.0% | Added |
| Yorktown Management & Research Co Inc | 46,400 | $1.36M | 0.92% | +26,800+136.7% | Added |
| Maryland State Retirement & Pension System | 43,600 | $1.28M | 0.03% | +752+1.8% | Added |
| Oregon Public Employees Retirement Fund | 41,939 | $1.23M | 0.01% | −3,423−7.5% | Reduced |
| Voya Investment Management LLC | 41,898 | $1.23M | 0.00% | −32,003−43.3% | Reduced |
| Advisor Group Holdings, Inc. | 41,237 | $1.21M | 0.00% | +31,162+309.3% | Added |
| Guggenheim Capital LLC | 39,289 | $1.16M | 0.01% | −31,298−44.3% | Reduced |
| Robeco Institutional Asset Management B.V. | 38,401 | $1.13M | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 37,951 | $1.12M | 0.01% | 00.0% | Unchanged |
| ETF Managers Group, LLC | 35,147 | $1.02M | 0.02% | +1,671+5.0% | Added |
| Ensign Peak Advisors, Inc | 34,117 | $1.00M | 0.00% | −68,240−66.7% | Reduced |
| STRS Ohio | 32,900 | $966.0K | 0.00% | −20,100−37.9% | Reduced |
| Squarepoint Ops LLC | 32,639 | $959.0K | 0.00% | +16,964+108.2% | Added |
| Teachers Retirement System of the State of Kentucky | 32,312 | $950.0K | 0.01% | 00.0% | Unchanged |
| Citadel Advisors LLC | 31,427 | $924.0K | 0.00% | +31,427 | New |
| Boston Partners | 31,065 | $913.0K | 0.00% | −3,579−10.3% | Reduced |
| Price T Rowe Associates Inc | 29,840 | $877.0K | 0.00% | −5,252−15.0% | Reduced |
| Cubist Systematic Strategies, LLC | 29,602 | $870.0K | 0.01% | −92,368−75.7% | Reduced |
| Bank of Montreal | 29,468 | $868.0K | 0.00% | −6,316−17.7% | Reduced |
| Arizona State Retirement System | 29,309 | $861.0K | 0.01% | −1,337−4.4% | Reduced |
| Metropolitan Life Insurance Co | 28,431 | $835.6K | 0.01% | 00.0% | Unchanged |
| First Hawaiian Bank | 27,560 | $810.0K | 0.02% | +27,560 | New |
| Envestnet Asset Management Inc | 27,521 | $809.0K | 0.00% | +11,193+68.6% | Added |
| ProShare Advisors LLC | 27,123 | $798.0K | 0.00% | +10,411+62.3% | Added |
| Handelsbanken Fonder AB | 26,297 | $773.0K | 0.00% | 00.0% | Unchanged |
| Mitsubishi UFJ Trust & Banking Corp | 25,170 | $740.0K | 0.00% | +25,170 | New |
| Janus Henderson Group PLC | 23,091 | $679.0K | 0.00% | +11,597+100.9% | Added |
| HRT Financial LP | 23,028 | $676.0K | 0.00% | −168,933−88.0% | Reduced |
| Susquehanna International Group, LLP | 22,595 | $664.0K | 0.00% | +22,595 | New |
| PDT Partners, LLC | 22,416 | $659.0K | 0.05% | +5,555+32.9% | Added |
| AlphaCrest Capital Management LLC | 21,796 | $641.0K | 0.02% | −117,982−84.4% | Reduced |
| IndexIQ Advisors LLC | 21,724 | $638.0K | 0.02% | −1,404−6.1% | Reduced |
| Qube Research & Technologies Ltd | 21,163 | $622.0K | 0.00% | −33,260−61.1% | Reduced |
| Teacher Retirement System of Texas | 20,961 | $616.0K | 0.00% | +2,601+14.2% | Added |
| Acadian Asset Management LLC | 20,265 | $594.0K | 0.00% | +20,265 | New |
| Public Employees Retirement Association of Colorado | 19,581 | $575.0K | 0.00% | 00.0% | Unchanged |
| Eqis Capital Management, Inc. | 19,460 | $572.0K | 0.04% | +8,383+75.7% | Added |
| Natixis Advisors, L.P. | 19,435 | $571.0K | 0.00% | +2,280+13.3% | Added |
| ExodusPoint Capital Management, LP | 19,136 | $562.0K | 0.01% | +19,136 | New |
| Juncture Wealth Strategies, LLC | 18,703 | $550.0K | 0.26% | +4,670+33.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 18,127 | $533.0K | 0.00% | +6,904+61.5% | Added |
| JB Capital LLC | 18,003 | $529.1K | 0.05% | +18,003 | New |
| BNC Wealth Management, LLC | 16,905 | $497.0K | 0.24% | +1,400+9.0% | Added |
| Raymond James & Associates | 16,250 | $478.0K | 0.00% | +16,250 | New |
| Capital Fund Management S.A. | 16,076 | $472.5K | 0.01% | −963−5.7% | Reduced |
| Parallel Advisors, LLC | 15,957 | $469.0K | 0.02% | +54+0.3% | Added |
| Winton Group Ltd | 15,943 | $469.0K | 0.03% | +15,943 | New |
| HAP Trading, LLC | 15,272 | $449.0K | 0.03% | +2,338+18.1% | Added |
| Mutual of America Capital Management LLC | 14,942 | $439.0K | 0.00% | +420+2.9% | Added |
| Wolverine Trading, LLC | 14,018 | $407.0K | 0.01% | −3,367−19.4% | Reduced |
| Tudor Investment Corp Et Al | 13,674 | $402.0K | 0.01% | −11,685−46.1% | Reduced |
| Everence Capital Management Inc | 13,445 | $395.0K | 0.03% | 00.0% | Unchanged |
| Cetera Advisor Networks LLC | 12,117 | $356.0K | 0.00% | +317+2.7% | Added |
| Aigen Investment Management, LP | 12,154 | $350.0K | 0.02% | −4,887−28.7% | Reduced |
| State of Wyoming | 11,039 | $325.0K | 0.15% | +7,093+179.8% | Added |
| Virginia Retirement Systems Et Al | 10,700 | $314.0K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 10,620 | $312.0K | 0.01% | +10,620 | New |
| Profund Advisors LLC | 10,043 | $295.0K | 0.01% | −1,140−10.2% | Reduced |
| Contravisory Investment Management, Inc. | 10,038 | $295.0K | 0.08% | +1,079+12.0% | Added |
| Rockland Trust Co | 9,992 | $294.0K | 0.02% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 9,820 | $289.0K | 0.01% | −1,460−12.9% | Reduced |
| Graham Capital Management, L.P. | 9,864 | $289.0K | 0.02% | +9,864 | New |
| Cornerstone Investment Partners, LLC | 9,605 | $282.0K | 0.02% | 00.0% | Unchanged |
| Quantbot Technologies LP | 9,416 | $276.0K | 0.02% | +7,141+313.9% | Added |
| Miracle Mile Advisors, LLC | 9,301 | $273.0K | 0.01% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 9,088 | $267.0K | 0.00% | −82−0.9% | Reduced |
| Navellier & Associates Inc | 8,508 | $250.0K | 0.04% | +8,508 | New |
| US Bancorp | 8,435 | $247.0K | 0.00% | −408−4.6% | Reduced |
| Ameritas Investment Partners, Inc. | 8,317 | $244.0K | 0.01% | 00.0% | Unchanged |
| Morse Asset Management, Inc | 8,200 | $241.0K | 0.05% | +8,200 | New |
| Pictet Asset Management SA | 8,104 | $238.0K | 0.00% | +8,104 | New |
| Creative Planning | 7,992 | $235.0K | 0.00% | +7,992 | New |
| Ferris Capital, LLC | 7,834 | $230.0K | 0.05% | +7,834 | New |
| First Citizens Bank & Trust Co | 7,768 | $229.0K | 0.01% | +7,768 | New |
| Shay Capital LLC | 7,500 | $220.0K | 0.08% | −2,500−25.0% | Reduced |
| Formidable Asset Management, LLC | 7,295 | $214.0K | 0.04% | +7,295 | New |
| Shelton Capital Management | 7,226 | $212.0K | 0.01% | +7,226 | New |
| Gsa Capital Partners LLP | 6,920 | $203.0K | 0.03% | +6,920 | New |
| CenterBook Partners LP | 6,904 | $203.0K | 0.12% | +6,904 | New |
| New Century Advisors, LLC | 6,570 | $193.0K | 0.18% | +6,570 | New |
| Penserra Capital Management LLC | 6,530 | $191.0K | 0.00% | +6,530 | New |
| The PNC Financial Services Group, Inc. | 5,547 | $164.0K | 0.00% | −48−0.9% | Reduced |
| Northwestern Mutual Wealth Management Co | 4,747 | $139.0K | 0.00% | +2,880+154.3% | Added |
| Eaton Vance Management | 4,687 | $138.0K | 0.00% | +14+0.3% | Added |
| KBC Group NV | 3,955 | $116.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 3,978 | $116.0K | 0.00% | +3,978 | New |
| Bollard Group LLC | 3,760 | $111.0K | 0.00% | 00.0% | Unchanged |
| Harvest Fund Management Co., Ltd | 3,723 | $108.0K | 0.02% | +2,466+196.2% | Added |
| HHM Wealth Advisors, LLC | 3,500 | $103.0K | 0.02% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 3,920 | $99.0K | 0.00% | −540−12.1% | Reduced |
| Bell Investment Advisors, Inc | 2,986 | $88.0K | 0.02% | +52+1.8% | Added |
| Sutton Wealth Advisors Inc. | 2,837 | $83.4K | 0.03% | +26+0.9% | Added |
| CarsonAllaria Wealth Management, Ltd. | 2,693 | $79.0K | 0.07% | +2,693 | New |
| IFP Advisors, Inc | 2,347 | $69.0K | 0.00% | 00.0% | Unchanged |