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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.

Q2 2023 vs. Q1 2023

How the institutions holding Rambus Inc changed between Q1 2023 and Q2 2023.

All holders in Q2 2023All holders in Q1 2023

13F holders of RMBS: Q1 2023 compared with Q2 2023
MeasureQ1 2023Of which not filed for Q2 2023Q2 2023Change
Holders3372393+58
Shares93.7M24.4K95.7M+2.08M (+2.2%)
Value$4.81B$1.25M$6.14B+$1.33B (+27.5%)

2 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (95)

Institutions that held Rambus Inc at the end of Q2 2023 but not at the end of Q1 2023.

Institutions new to RMBS in Q2 2023
InstitutionSharesValue% of portfolio
Polar Capital Holdings Plc1,309,113$84.0M0.58%
Maplelane Capital, LLC542,261$34.8M2.96%
Schonfeld Strategic Advisors LLC455,382$29.2M0.25%
Fred Alger Management, LLC353,441$22.7M0.12%
Macquarie Group Ltd344,902$22.1M0.03%
Jupiter Asset Management Ltd278,535$17.9M0.20%
Artisan Partners Limited Partnership126,405$8.11M0.01%
Axiom Investors LLC124,070$7.96M0.12%
Lisanti Capital Growth, LLC85,255$5.47M0.76%
Thornburg Investment Management Inc77,246$4.96M0.08%
Moody Aldrich Partners LLC70,070$4.50M0.87%
Nomura Holdings Inc68,601$4.40M0.04%
Discovery Capital Management, LLC64,474$4.14M0.48%
Zweig-DiMenna Associates LLC60,750$3.90M0.52%
O'Neil Global Advisors, Inc.59,174$3.80M0.79%
Segall Bryant & Hamill, LLC51,191$3.28M0.03%
EA Series Trust47,481$3.05M0.11%
Twinbeech Capital LP45,446$2.92M0.06%
Acadian Asset Management LLC35,383$2.27M0.01%
Eisler Capital (US) LLC23,960$1.54M0.84%
Aigen Investment Management, LP23,941$1.54M0.23%
Zacks Investment Management22,328$1.43M0.02%
Harvest Investment Services, LLC21,572$1.38M0.79%
Geneva Partners, LLC19,550$1.25M0.82%
Chartwell Investment Partners, LLC19,339$1.24M0.04%
Sawtooth Solutions, LLC19,211$1.23M0.03%
Bleakley Financial Group, LLC19,211$1.23M0.04%
GTS Securities LLC19,061$1.22M0.04%
Petra Financial Advisors Inc16,724$1.07M0.96%
Private Advisory Group LLC15,255$978.9K0.19%
Skandinaviska Enskilda Banken AB (publ)14,400$924.0K0.01%
Dynamic Technology Lab Private Ltd12,070$775.0K0.10%
Citadel Advisors LLC11,245$721.6K0.00%
Brinker Capital Investments, LLC10,343$663.7K0.01%
Orion Portfolio Solutions, LLC10,343$663.7K0.01%
Virginia Retirement Systems Et Al9,800$628.9K0.01%
Caxton Associates LP9,716$623.5K0.09%
Quadrature Capital Ltd9,657$619.7K0.01%
Bank Julius Baer & Co. Ltd, Zurich9,106$584.0K0.00%
Connor, Clark & Lunn Investment Management Ltd.7,039$451.7K0.00%
Legato Capital Management LLC6,670$428.0K0.06%
Shay Capital LLC6,500$417.1K0.15%
Shell Asset Management Co6,005$385.0K0.02%
Commonwealth Equity Services, LLC5,641$362.0K0.00%
CIBC World Markets Inc.5,188$333.0K0.00%
Synovus Financial Corp5,104$327.5K0.00%
Fort, L.P.4,617$296.3K0.78%
Toroso Investments, LLC4,574$294.0K0.01%
Quantamental Technologies LLC4,418$283.5K0.12%
Blair William & Co4,314$276.8K0.00%
Wedbush Securities Inc4,304$276.0K0.01%
Hennion & Walsh Asset Management, Inc.4,208$270.0K0.02%
Donoghue Forlines LLC4,111$263.8K0.08%
Independent Financial Group, LLC4,020$258.0K0.02%
Pinpoint Asset Management Ltd4,000$257.0K0.00%
Guidance Capital, Inc4,858$254.1K0.11%
Ewa, LLC3,846$246.8K0.17%
Schechter Investment Advisors, LLC3,631$233.0K0.02%
Journey Strategic Wealth LLC3,554$228.1K0.01%
Bailard, Inc.3,530$226.5K0.01%
Cetera Investment Advisers3,514$225.5K0.00%
Qube Research & Technologies Ltd3,495$224.3K0.00%
Level Four Advisory Services, LLC3,477$223.1K0.01%
Forum Financial Management, LP3,416$219.2K0.00%
ISAM Funds (UK) Ltd3,415$219.1K0.20%
CoreCap Advisors, LLC3,344$214.6K0.02%
Cresset Asset Management, LLC3,298$211.6K0.00%
Magnetar Financial LLC3,294$211.4K0.00%
Mirabella Financial Services LLP3,240$207.9K0.02%
Saturna Capital CORP3,199$205.3K0.00%
CIBC Asset Management Inc3,177$203.9K0.00%
Nomura Asset Management Co Ltd2,186$140.3K0.00%
Northwest Capital Management Inc2,000$128.3K0.05%
Pacer Advisors, Inc.876$56.2K0.00%
FNY Investment Advisers, LLC825$52.0K0.07%
Lazard Asset Management LLC638$40.0K0.00%
Federation des caisses Desjardins du Quebec500$32.1K0.00%
Credit Agricole S A347$22.3K0.00%
Quarry LP205$13.2K0.01%
Fairfield, Bush & Co.200$12.8K0.00%
V-Square Quantitative Management LLC193$12.4K0.01%
Psagot Value Holdings Ltd. / (Israel)198$12.0K0.01%
Coppell Advisory Solutions LLC147$9.41K0.00%
Key Financial Inc137$8.79K0.00%
Raleigh Capital Management Inc.134$8.60K0.00%
Anchor Investment Management, LLC117$7.51K0.00%
Nelson, Van Denburg & Campbell Wealth Management Group, LLC87$5.58K0.00%
West Tower Group, LLC50$3.21K0.00%
Toth Financial Advisory Corp30$1.93K0.00%
CGC Financial Services, LLC25$1.60K0.00%
Carolinas Wealth Consulting LLC23$1.50K0.00%
Venturi Wealth Management, LLC22$1.41K0.00%
Albion Financial Group13$8350.00%
Plante Moran Financial Advisors, LLC10$6420.00%
Abound Wealth Management8$5140.00%

Sold out (37)

Institutions that held Rambus Inc at the end of Q1 2023 and filed for Q2 2023 without it.

Not filed for Q2 2023 yet (2)

Institutions that held Rambus Inc at the end of Q1 2023 and haven't filed a 13F for Q2 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding RMBS in Q1 2023 that haven't filed for Q2 2023
InstitutionShares, Q1 2023Value, Q1 2023
ETF Managers Group, LLC22,634$1.16M
Householder Group Estate & Retirement Specialist, LLC1,759$90.0K