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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.

Q1 2024 vs. Q4 2023

How the institutions holding Rambus Inc changed between Q4 2023 and Q1 2024.

All holders in Q1 2024All holders in Q4 2023

13F holders of RMBS: Q4 2023 compared with Q1 2024
MeasureQ4 2023Of which not filed for Q1 2024Q1 2024Change
Holders4004375−21
Shares97.0M412.1K97.3M+747.6K (+0.8%)
Value$6.62B$28.1M$6.00B−$592.3M (−9.0%)

4 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (51)

Institutions that held Rambus Inc at the end of Q1 2024 but not at the end of Q4 2023.

Institutions new to RMBS in Q1 2024
InstitutionSharesValue% of portfolio
Westfield Capital Management Co LP328,053$20.3M0.11%
Schonfeld Strategic Advisors LLC284,587$17.6M0.14%
Varma Mutual Pension Insurance Co266,000$16.4M0.14%
Kadensa Capital Ltd92,907$5.74M1.56%
Lombard Odier Asset Management (Europe) Ltd89,559$5.54M0.35%
Trexquant Investment LP83,731$5.18M0.10%
Pinebridge Investments, L.P.64,429$3.98M0.03%
Apis Capital Advisors, LLC58,000$3.58M2.72%
Catalyst Funds Management Pty Ltd53,800$3.33M0.93%
1492 Capital Management LLC52,112$3.22M1.79%
Allianz Asset Management GmbH50,412$3.12M0.01%
Danske Bank A/S40,562$2.51M0.01%
Algert Global LLC37,260$2.30M0.09%
Cetera Investment Advisers23,722$1.47M0.00%
Campbell Newman Asset Management Inc22,963$1.42M0.12%
Magnetar Financial LLC20,855$1.29M0.03%
Marshall Wace, LLP20,024$1.24M0.00%
MYDA Advisors LLC20,000$1.24M0.43%
Lombard Odier Asset Management (Switzerland) SA19,786$1.22M0.09%
ExodusPoint Capital Management, LP16,921$1.05M0.01%
Whalen Wealth Management Inc.15,632$966.2K0.72%
BNP Paribas15,124$943.0K0.04%
Jefferies Financial Group Inc.11,682$722.1K0.01%
Simplicity Wealth,LLC10,997$679.7K0.02%
Nissay Asset Management Corp10,902$673.9K0.00%
IMC-Chicago, LLC10,342$639.2K0.02%
Nomura Holdings Inc8,759$541.4K0.00%
Meeder Asset Management Inc7,843$484.8K0.03%
Eqis Capital Management, Inc.7,817$483.2K0.04%
Greenwood Capital Associates LLC6,405$395.9K0.05%
Cynosure Management, LLC4,785$295.8K0.05%
Teza Capital Management LLC4,536$280.4K0.04%
TFB Advisors LLC5,262$277.6K0.10%
Rakuten Investment Management, Inc.3,517$217.4K0.00%
Harbor Capital Advisors, Inc.2,872$178.0K0.02%
Simplex Trading, LLC2,108$130.0K0.00%
Rise Advisors, LLC445$27.5K0.01%
Ulland Investment Advisors, LLC300$19.0K0.02%
Clear Street Markets LLC274$17.0K0.01%
Byrne Asset Management LLC250$15.5K0.01%
Rakuten Securities, Inc.138$8.53K0.00%
Quest Partners LLC60$3.71K0.00%
Mather Group, LLC.44$3.00K0.00%
Colonial Trust Co34$2.15K0.00%
Umb Bank N A31$1.92K0.00%
Naples Money Management LLC22$1.36K0.00%
Nelson, Van Denburg & Campbell Wealth Management Group, LLC21$1.30K0.00%
Harbour Investments, Inc.20$1.24K0.00%
Harbor Investment Advisory, LLC20$1.24K0.00%
First Command Advisory Services, Inc.15$9270.00%
Rothschild Investment LLC10$6180.00%

Sold out (72)

Institutions that held Rambus Inc at the end of Q4 2023 and filed for Q1 2024 without it.

Institutions that sold out of RMBS in Q1 2024
InstitutionShares, Q4 2023Value, Q4 2023
Polar Capital Holdings Plc1,511,521$103.2M
Driehaus Capital Management LLC772,842$52.7M
HRT Financial LP334,023$22.8M
Cercano Management LLC320,184$21.9M
Twinbeech Capital LP252,625$17.2M
Amundi114,695$7.65M
Ghisallo Capital Management LLC75,506$5.15M
EAM Investors, LLC70,088$4.78M
EAM Global Investors LLC61,106$4.17M
Concentric Capital Strategies, LP45,227$3.09M
Zweig-DiMenna Associates LLC34,125$2.33M
Lazard Asset Management LLC14,515$990.0K
Cetera Advisor Networks LLC13,824$943.5K
Hanseatic Management Services Inc13,115$895.1K
Barometer Capital Management Inc.11,600$791.7K
Juncture Wealth Strategies, LLC11,137$760.1K
TriaGen Wealth Management LLC10,513$717.5K
Qube Research & Technologies Ltd10,133$691.6K
Virtue Capital Management, LLC–$655.9K
ARGA Investment Management, LP9,134$623.4K
Nebula Research & Development LLC8,831$602.7K
Inspire Advisors, LLC8,598$586.8K
Group One Trading, L.P.8,148$556.1K
XTX Topco Ltd7,504$512.1K
Brevan Howard Capital Management LP7,296$498.0K
New York Life Investment Management LLC6,738$459.9K
Calton & Associates, Inc.6,402$436.9K
Syon Capital LLC6,356$433.8K
Empowered Funds, LLC6,117$417.5K
Moors & Cabot, Inc.6,100$416.3K
Legato Capital Management LLC5,865$400.3K
Symmetry Peak Management LLC5,500$375.4K
Guidance Capital, Inc5,513$359.7K
Harvest Fund Management Co., Ltd5,132$335.0K
Qsemble Capital Management, LP4,633$316.2K
Associated Banc-Corp4,300$293.5K
Ewa, LLC4,083$281.1K
DRW Securities, LLC3,630$247.7K
United Capital Financial Advisers, LLC3,436$234.5K
Great Valley Advisor Group, Inc.3,400$232.1K
Kapitalo Investimentos Ltda3,400$232.1K
Redwood Wealth Management Group, LLC3,328$227.1K
Journey Strategic Wealth LLC3,231$220.5K
CIBC Asset Management Inc3,177$216.8K
Balyasny Asset Management LLC3,024$206.4K
Boothbay Fund Management, LLC2,978$203.2K
AE Wealth Management LLC2,828$201.6K
Fort, L.P.2,943$200.9K
Veriti Management LLC2,931$200.0K
FNY Investment Advisers, LLC2,900$197.0K
Parallax Volatility Advisers, L.P.1,781$121.6K
Archer Investment Corp1,780$121.5K
Exchange Traded Concepts, LLC1,431$97.7K
Migdal Insurance & Financial Holdings Ltd.1,250$86.0K
PEAK6 Investments LLC424$28.9K
West Tower Group, LLC418$28.5K
Parkside Financial Bank & Trust369$25.2K
Tradition Wealth Management, LLC300$20.0K
Psagot Value Holdings Ltd. / (Israel)284$19.0K
Advisory Services Network, LLC221$15.1K
Fairfield, Bush & Co.200$13.7K
Turtle Creek Wealth Advisors, LLC146$9.96K
Bokf, NA95$6.48K
Wetzel Investment Advisors, Inc.82$6.00K
Glassman Wealth Services56$3.82K
AdvisorNet Financial, Inc35$2.39K
Arlington Trust Co LLC25$1.71K
Able Wealth Management LLC22$1.50K
Abound Wealth Management13$888
EntryPoint Capital, LLC12$819
Benjamin F. Edwards & Company, Inc.6$0
Financial Management Professionals, Inc.3$0

Not filed for Q1 2024 yet (4)

Institutions that held Rambus Inc at the end of Q4 2023 and haven't filed a 13F for Q1 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding RMBS in Q4 2023 that haven't filed for Q1 2024
InstitutionShares, Q4 2023Value, Q4 2023
Putnam Investments LLC400,704$27.3M
Sawtooth Solutions, LLC10,768$734.9K
Bartlett & Co. LLC500$34.0K
Coppell Advisory Solutions LLC147$10.0K