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, Q3 2023
Institutional positions in Rambus Inc as of Sep 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
- 350
- −41 vs. Q2 2023
- Shares held
- 98.0M
- +2.29M (+2.4%) vs. Q2 2023
- Total value
- $5.48B
- −$656.3M (−10.7%) vs. Q2 2023
- New holders
- 40
- 153 more added
- Sold out
- 81
- 115 more reduced
2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rockland Trust Co | 4,996 | $278.7K | 0.02% | 00.0% | Unchanged |
| Skandinaviska Enskilda Banken AB (publ) | 5,000 | $279.0K | 0.00% | −9,400−65.3% | Reduced |
| Buckingham Strategic Partners | 5,028 | $280.5K | 0.01% | −9−0.2% | Reduced |
| Guidance Capital, Inc | 5,151 | $281.9K | 0.13% | +293+6.0% | Added |
| Public Employees Retirement System of Ohio | 5,147 | $287.0K | 0.00% | +454+9.7% | Added |
| Fort, L.P. | 5,162 | $288.0K | 0.80% | +545+11.8% | Added |
| Shelton Capital Management | 5,330 | $297.4K | 0.01% | −525−9.0% | Reduced |
| Quantinno Capital Management LP | 5,345 | $298.0K | 0.01% | +769+16.8% | Added |
| Two Sigma Securities, LLC | 5,375 | $299.9K | 0.01% | +5,375 | New |
| Pathstone Family Office, LLC | 5,415 | $302.1K | 0.00% | +1,324+32.4% | Added |
| Redwood Wealth Management Group, LLC | 5,563 | $310.4K | 0.36% | +1,795+47.6% | Added |
| Commonwealth Equity Services, LLC | 5,724 | $319.0K | 0.00% | +83+1.5% | Added |
| Veriti Management LLC | 5,738 | $320.1K | 0.04% | +92+1.6% | Added |
| Shell Asset Management Co | 5,912 | $330.0K | 0.01% | −93−1.5% | Reduced |
| Caxton Associates LP | 6,062 | $338.2K | 0.05% | −3,654−37.6% | Reduced |
| Synovus Financial Corp | 6,135 | $342.3K | 0.00% | +1,031+20.2% | Added |
| Metropolitan Life Insurance Co | 6,392 | $356.6K | 0.02% | +434+7.3% | Added |
| Xponance, Inc. | 6,399 | $357.0K | 0.00% | 00.0% | Unchanged |
| Moors & Cabot, Inc. | 6,550 | $365.4K | 0.02% | −6,250−48.8% | Reduced |
| Syon Capital LLC | 6,554 | $365.6K | 0.05% | +6,554 | New |
| Hennion & Walsh Asset Management, Inc. | 6,557 | $365.8K | 0.02% | +2,349+55.8% | Added |
| New York Life Investment Management LLC | 6,935 | $386.9K | 0.00% | −1,105−13.7% | Reduced |
| CWM, LLC | 7,032 | $392.0K | 0.00% | +2,574+57.7% | Added |
| Sequoia Financial Advisors, LLC | 7,149 | $398.8K | 0.01% | +343+5.0% | Added |
| Robeco Institutional Asset Management B.V. | 7,187 | $401.0K | 0.00% | −6,154−46.1% | Reduced |
| Virginia Retirement Systems Et Al | 7,200 | $401.7K | 0.00% | −2,600−26.5% | Reduced |
| O'Shaughnessy Asset Management, LLC | 7,224 | $403.0K | 0.01% | +1,649+29.6% | Added |
| The PNC Financial Services Group, Inc. | 7,377 | $411.6K | 0.00% | +62+0.8% | Added |
| Mackenzie Financial Corp | 7,629 | $417.5K | 0.00% | −26,999−78.0% | Reduced |
| Cutler Group LP | 7,810 | $435.0K | 0.07% | +2,365+43.4% | Added |
| Pinpoint Asset Management Ltd | 8,000 | $446.3K | 0.10% | +4,000+100.0% | Added |
| MML Investors Services, LLC | 8,051 | $449.0K | 0.00% | +690+9.4% | Added |
| Raymond James Financial Services Advisors, Inc. | 8,092 | $451.5K | 0.00% | +2,642+48.5% | Added |
| Contravisory Investment Management, Inc. | 8,400 | $468.6K | 0.13% | −1,520−15.3% | Reduced |
| Toroso Investments, LLC | 8,475 | $472.8K | 0.01% | +3,901+85.3% | Added |
| Avantax Planning Partners, Inc. | 8,600 | $479.8K | 0.02% | 00.0% | Unchanged |
| Evergreen Capital Management LLC | 8,655 | $482.9K | 0.02% | +379+4.6% | Added |
| National Asset Management, Inc. | 8,742 | $487.7K | 0.01% | −8,835−50.3% | Reduced |
| Great Lakes Advisors, LLC | 8,962 | $500.0K | 0.00% | −268,918−96.8% | Reduced |
| Crossmark Global Holdings, Inc. | 8,383 | $510.0K | 0.01% | −223−2.6% | Reduced |
| Boston Partners | 9,443 | $526.8K | 0.00% | +1,762+22.9% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 9,446 | $527.0K | 0.00% | +340+3.7% | Added |
| ARGA Investment Management, LP | 9,489 | $529.4K | 0.02% | 00.0% | Unchanged |
| Chase Investment Counsel Corp | 9,525 | $531.0K | 0.26% | +9,525 | New |
| Truvestments Capital LLC | 9,670 | $539.5K | 0.28% | +61+0.6% | Added |
| Northwestern Mutual Wealth Management Co | 10,145 | $566.0K | 0.00% | +1,105+12.2% | Added |
| Mariner, LLC | 10,723 | $598.2K | 0.00% | +548+5.4% | Added |
| Ameritas Investment Partners, Inc. | 10,735 | $598.9K | 0.02% | +1,864+21.0% | Added |
| Mercer Global Advisors Inc | 10,744 | $599.0K | 0.00% | +1,293+13.7% | Added |
| Prudential PLC | 10,898 | $608.0K | 0.01% | −4,604−29.7% | Reduced |
| Aviva PLC | 10,915 | $608.9K | 0.00% | +10,915 | New |
| Profund Advisors LLC | 11,008 | $614.1K | 0.03% | +4,569+71.0% | Added |
| JustInvest LLC | 11,652 | $650.1K | 0.02% | +3,265+38.9% | Added |
| Advisor Partners II, LLC | 11,886 | $663.1K | 0.03% | +794+7.2% | Added |
| Schonfeld Strategic Advisors LLC | 11,990 | $668.9K | 0.01% | −443,392−97.4% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 12,054 | $672.0K | 0.00% | −2,343−16.3% | Reduced |
| Virtus Investment Advisers, Inc. | 12,053 | $672.4K | 0.46% | −6,072−33.5% | Reduced |
| Pictet Asset Management Holding SA | 12,161 | $678.5K | 0.00% | +12,161 | New |
| Cetera Advisor Networks LLC | 12,194 | $680.3K | 0.00% | +1,367+12.6% | Added |
| Hel Ved Capital Management Ltd | 12,405 | $692.1K | 0.23% | +12,405 | New |
| HSBC Holdings PLC | 12,510 | $699.0K | 0.00% | −30,746−71.1% | Reduced |
| Raymond James & Associates | 12,555 | $700.4K | 0.00% | −15,437−55.1% | Reduced |
| Meritage Portfolio Management | 12,606 | $703.0K | 0.05% | +646+5.4% | Added |
| Allspring Global Investments Holdings, LLC | 13,507 | $753.6K | 0.00% | +1,059+8.5% | Added |
| Point72 Asset Management, L.P. | 13,900 | $775.5K | 0.00% | +13,900 | New |
| Gotham Asset Management, LLC | 14,104 | $786.9K | 0.02% | +5,790+69.6% | Added |
| Public Employees Retirement Association of Colorado | 14,171 | $791.0K | 0.00% | −1,448−9.3% | Reduced |
| BNC Wealth Management, LLC | 14,346 | $800.4K | 0.43% | 00.0% | Unchanged |
| US Bancorp | 14,391 | $802.9K | 0.00% | −1,808−11.2% | Reduced |
| First Hawaiian Bank | 14,808 | $826.1K | 0.03% | 00.0% | Unchanged |
| Hanseatic Management Services Inc | 14,960 | $834.6K | 1.55% | +94+0.6% | Added |
| Shay Capital LLC | 15,000 | $836.9K | 0.25% | +8,500+130.8% | Added |
| Bank of Montreal | 15,264 | $868.2K | 0.00% | −473−3.0% | Reduced |
| Navellier & Associates Inc | 16,030 | $894.3K | 0.15% | −196−1.2% | Reduced |
| Centiva Capital, LP | 16,166 | $901.9K | 0.04% | +2,202+15.8% | Added |
| Everence Capital Management Inc | 16,495 | $920.0K | 0.07% | −1,890−10.3% | Reduced |
| Juncture Wealth Strategies, LLC | 16,516 | $921.4K | 0.45% | +4,686+39.6% | Added |
| Petra Financial Advisors Inc | 16,523 | $921.8K | 0.77% | −201−1.2% | Reduced |
| China Universal Asset Management Co., Ltd. | 17,000 | $948.4K | 0.27% | −22,000−56.4% | Reduced |
| Bailard, Inc. | 17,155 | $957.1K | 0.03% | +13,625+386.0% | Added |
| Virtue Capital Management, LLC | 16,383 | $1.03M | 0.17% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 18,597 | $1.04M | 0.01% | 00.0% | Unchanged |
| Sawtooth Solutions, LLC | 18,678 | $1.04M | 0.03% | −533−2.8% | Reduced |
| Bleakley Financial Group, LLC | 18,678 | $1.04M | 0.04% | −533−2.8% | Reduced |
| Wolverine Trading, LLC | 19,054 | $1.06M | 0.01% | +2,008+11.8% | Added |
| ClariVest Asset Management LLC | 19,583 | $1.09M | 0.06% | −33,441−63.1% | Reduced |
| Janney Montgomery Scott LLC | 19,642 | $1.10M | 0.00% | +2,246+12.9% | Added |
| EAM Investors, LLC | 20,310 | $1.13M | 0.22% | −14,832−42.2% | Reduced |
| Diversified Trust Co | 20,906 | $1.17M | 0.04% | +518+2.5% | Added |
| Linden Thomas Advisory Services, LLC | 21,582 | $1.20M | 0.27% | +21,582 | New |
| TD Asset Management Inc | 22,400 | $1.25M | 0.00% | −14,100−38.6% | Reduced |
| Two Sigma Investments, LP | 22,800 | $1.27M | 0.00% | 00.0% | Unchanged |
| JB Capital LLC | 22,991 | $1.28M | 0.11% | +2,183+10.5% | Added |
| Creative Planning | 23,113 | $1.29M | 0.00% | −6,988−23.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 24,158 | $1.35M | 0.01% | +4,837+25.0% | Added |
| Yorktown Management & Research Co Inc | 24,600 | $1.37M | 1.54% | 00.0% | Unchanged |
| B. Metzler seel. Sohn & Co. AG | 25,132 | $1.40M | 0.02% | +25,132 | New |
| ProShare Advisors LLC | 26,038 | $1.45M | 0.00% | +9,003+52.9% | Added |
| Guggenheim Capital LLC | 26,957 | $1.50M | 0.01% | +1,292+5.0% | Added |
| QRG Capital Management, Inc. | 28,055 | $1.57M | 0.03% | +28,055 | New |