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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.

Q4 2023 vs. Q3 2023

How the institutions holding Rambus Inc changed between Q3 2023 and Q4 2023.

All holders in Q4 2023All holders in Q3 2023

13F holders of RMBS: Q3 2023 compared with Q4 2023
MeasureQ3 2023Of which not filed for Q4 2023Q4 2023Change
Holders3505400+55
Shares98.0M29.2K97.0M−967.1K (−1.0%)
Value$5.48B$1.63M$6.62B+$1.14B (+20.9%)

5 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (93)

Institutions that held Rambus Inc at the end of Q4 2023 but not at the end of Q3 2023.

Institutions new to RMBS in Q4 2023
InstitutionSharesValue% of portfolio
HRT Financial LP334,023$22.8M0.17%
Cercano Management LLC320,184$21.9M0.72%
Park West Asset Management LLC210,000$14.3M1.40%
Healthcare of Ontario Pension Plan Trust Fund150,323$10.3M0.04%
Assenagon Asset Management S.A.147,798$10.1M0.03%
Retirement Systems of Alabama134,649$9.19M0.04%
Ghisallo Capital Management LLC75,506$5.15M0.53%
Lisanti Capital Growth, LLC64,590$4.41M1.04%
EAM Global Investors LLC61,106$4.17M1.01%
Engineers Gate Manager LP57,305$3.91M0.11%
Duality Advisers, LP33,227$2.27M0.24%
Van Eck Associates Corp32,126$2.19M0.00%
State of Michigan Retirement System25,800$1.76M0.01%
Northwestern Mutual Investment Management Company, LLC23,918$1.63M0.04%
New Mexico Educational Retirement Board22,100$1.51M0.06%
Dynamic Technology Lab Private Ltd21,023$1.43M0.15%
GTS Securities LLC20,426$1.39M0.03%
Pathstone Holdings, LLC17,556$1.20M0.01%
Chesapeake Capital Corp17,391$1.19M0.87%
Seven Eight Capital, LP16,999$1.16M0.13%
Aquatic Capital Management LLC13,000$887.0K0.02%
Federated Hermes, Inc.12,189$831.9K0.00%
Barometer Capital Management Inc.11,600$791.7K0.22%
Cinctive Capital Management LP11,122$759.1K0.05%
TriaGen Wealth Management LLC10,513$717.5K0.34%
Marex Group plc9,539$651.0K0.03%
M&T Bank Corp9,366$639.2K0.00%
Securian Asset Management, Inc9,072$619.2K0.02%
Nebula Research & Development LLC8,831$602.7K0.18%
Inspire Advisors, LLC8,598$586.8K0.09%
Shelton Wealth Management, LLC8,498$580.0K0.41%
Group One Trading, L.P.8,148$556.1K0.02%
Fox Run Management, L.L.C.8,147$556.0K0.14%
Level Four Advisory Services, LLC7,717$526.7K0.03%
Ethic Inc.7,654$522.4K0.02%
XTX Topco Ltd7,504$512.1K0.11%
Brevan Howard Capital Management LP7,296$498.0K0.05%
LMR Partners LLP7,200$491.4K0.01%
Private Advisor Group, LLC7,171$489.4K0.00%
Calton & Associates, Inc.6,402$436.9K0.18%
Legato Capital Management LLC5,865$400.3K0.05%
Ellevest, Inc.5,564$379.7K0.03%
Symmetry Peak Management LLC5,500$375.4K1.46%
Harvest Fund Management Co., Ltd5,132$335.0K0.05%
Cipher Capital LP4,671$318.8K0.10%
Qsemble Capital Management, LP4,633$316.2K0.08%
Forum Financial Management, LP4,416$301.4K0.01%
Saturna Capital CORP4,167$284.4K0.00%
Wealth Enhancement Advisory Services, LLC4,085$278.8K0.00%
DRW Securities, LLC3,630$247.7K0.01%
Sumitomo Mitsui Trust Holdings, Inc.3,596$245.4K0.00%
United Capital Financial Advisers, LLC3,436$234.5K0.00%
Schechter Investment Advisors, LLC3,405$232.4K0.02%
Great Valley Advisor Group, Inc.3,400$232.1K0.01%
Kapitalo Investimentos Ltda3,400$232.1K0.05%
New Insight Wealth Advisors3,236$220.9K0.15%
Journey Strategic Wealth LLC3,231$220.5K0.01%
Keystone Investors Pte Ltd3,216$219.5K0.02%
Cerity Partners LLC3,181$217.1K0.00%
CIBC Asset Management Inc3,177$216.8K0.00%
Lido Advisors, LLC3,087$210.7K0.00%
Boothbay Fund Management, LLC2,978$203.2K0.01%
AE Wealth Management LLC2,828$201.6K0.00%
FNY Investment Advisers, LLC2,900$197.0K0.22%
Global X Japan Co., Ltd.2,755$188.0K0.11%
MeadowBrook Investment Advisors LLC2,325$158.7K0.15%
Parallax Volatility Advisers, L.P.1,781$121.6K0.00%
Credit Agricole S A1,175$80.2K0.00%
GAMMA Investing LLC959$65.7K0.02%
PEAK6 Investments LLC424$28.9K0.00%
SYSTM Wealth Solutions LLC228$15.6K0.00%
Advisory Services Network, LLC221$15.1K0.00%
Planning Capital Management Corp208$14.2K0.01%
Fairfield, Bush & Co.200$13.7K0.01%
Principal Securities, Inc.158$10.8K0.00%
Turtle Creek Wealth Advisors, LLC146$9.96K0.00%
Private Wealth Management Group, LLC125$8.53K0.00%
nVerses Capital, LLC–$6.83K0.02%
Bokf, NA95$6.48K0.00%
Wetzel Investment Advisors, Inc.82$6.00K0.00%
RFP Financial Group LLC76$5.19K0.00%
Larson Financial Group LLC58$3.96K0.00%
Plante Moran Financial Advisors, LLC54$3.69K0.00%
WealthCollab, LLC53$3.62K0.00%
First Pacific Financial33$2.25K0.00%
Westside Investment Management, Inc.25$1.71K0.00%
Arlington Trust Co LLC25$1.71K0.00%
Able Wealth Management LLC22$1.50K0.00%
DiNuzzo Private Wealth, Inc.14$9560.00%
EntryPoint Capital, LLC12$8190.00%
Sound Income Strategies, LLC9$6140.00%
Benjamin F. Edwards & Company, Inc.6$00.00%
Financial Management Professionals, Inc.3$00.00%

Sold out (38)

Institutions that held Rambus Inc at the end of Q3 2023 and filed for Q4 2023 without it.

Institutions that sold out of RMBS in Q4 2023
InstitutionShares, Q3 2023Value, Q3 2023
Whale Rock Capital Management LLC1,885,137$105.2M
Maplelane Capital, LLC304,000$17.0M
Squarepoint Ops LLC192,088$10.7M
Public Sector Pension Investment Board134,884$7.53M
Jupiter Asset Management Ltd124,518$6.95M
Value Aligned Research Advisors, LLC62,790$3.50M
Maryland State Retirement & Pension System40,196$2.24M
Simplex Trading, LLC31,157$1.74M
Caption Management, LLC28,701$1.60M
TD Asset Management Inc22,400$1.25M
Wolverine Trading, LLC19,054$1.06M
Petra Financial Advisors Inc16,523$921.8K
Everence Capital Management Inc16,495$920.0K
Point72 Asset Management, L.P.13,900$775.5K
Hel Ved Capital Management Ltd12,405$692.1K
Virtus Investment Advisers, Inc.12,053$672.4K
Schonfeld Strategic Advisors LLC11,990$668.9K
Prudential PLC10,898$608.0K
Chase Investment Counsel Corp9,525$531.0K
Boston Partners9,443$526.8K
Avantax Planning Partners, Inc.8,600$479.8K
Pinpoint Asset Management Ltd8,000$446.3K
Cutler Group LP7,810$435.0K
Robeco Institutional Asset Management B.V.7,187$401.0K
Caxton Associates LP6,062$338.2K
Skandinaviska Enskilda Banken AB (publ)5,000$279.0K
Inceptionr LLC4,614$257.4K
Belpointe Asset Management LLC4,357$243.1K
Miracle Mile Advisors, LLC4,261$237.7K
CI Private Wealth, LLC4,009$223.7K
Eqis Capital Management, Inc.3,748$209.1K
Westpac Banking Corp3,100$172.9K
USA Financial Portformulas Corp3,064$170.9K
Park Place Capital Corp1,081$60.3K
Nomura Asset Management Co Ltd1,027$57.3K
Grove Bank & Trust31$1.73K
SRS Capital Advisors, Inc.28$1.56K
Harel Insurance Investments & Financial Services Ltd.1$0

Not filed for Q4 2023 yet (5)

Institutions that held Rambus Inc at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding RMBS in Q3 2023 that haven't filed for Q4 2023
InstitutionShares, Q3 2023Value, Q3 2023
Advisor Partners II, LLC11,886$663.1K
Virginia Retirement Systems Et Al7,200$401.7K
Pathstone Family Office, LLC5,415$302.1K
First Republic Investment Management, Inc.4,643$259.0K
Steward Financial Group LLC64$3.00K