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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; 620 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 2024

Institutional positions in Rambus Inc as of Dec 31, 2024. 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
395
+27 vs. Q3 2024
Shares held
95.1M
+3.12M (+3.4%) vs. Q3 2024
Total value
$5.03B
+$1.14B (+29.4%) vs. Q3 2024
New holders
78
121 more added
Sold out
51
153 more reduced

8 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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.

Institutional holdersQ4 2024: 395 institutions
Q1 2021: 213 institutionsQ2 2021: 219 institutionsQ3 2021: 236 institutionsQ4 2021: 258 institutionsQ1 2022: 276 institutionsQ2 2022: 253 institutionsQ3 2022: 241 institutionsQ4 2022: 303 institutionsQ1 2023: 337 institutionsQ2 2023: 393 institutionsQ3 2023: 350 institutionsQ4 2023: 400 institutionsQ1 2024: 375 institutionsQ2 2024: 363 institutionsQ3 2024: 376 institutionsQ4 2024: 395 institutionsQ1 2025: 413 institutionsQ2 2025: 459 institutionsQ3 2025: 513 institutionsQ4 2025: 554 institutionsQ1 2026: 557 institutionsQ2 2026: 620 institutions
Value heldQ4 2024: $5.03B
Q1 2021: $1.86BQ2 2021: $2.30BQ3 2021: $2.07BQ4 2021: $2.80BQ1 2022: $2.98BQ2 2022: $2.07BQ3 2022: $2.38BQ4 2022: $3.27BQ1 2023: $4.81BQ2 2023: $6.14BQ3 2023: $5.48BQ4 2023: $6.62BQ1 2024: $6.00BQ2 2024: $5.64BQ3 2024: $3.94BQ4 2024: $5.03BQ1 2025: $5.01BQ2 2025: $6.22BQ3 2025: $10.3BQ4 2025: $9.18BQ1 2026: $8.83BQ2 2026: $13.3B
Institutions holding RMBS and their total value by quarter
QuarterHoldersValue
Q2 2026620$13.3B
Q1 2026557$8.83B
Q4 2025554$9.18B
Q3 2025513$10.3B
Q2 2025459$6.22B
Q1 2025413$5.01B
Q4 2024395$5.03B
Q3 2024376$3.94B
Q2 2024363$5.64B
Q1 2024375$6.00B
Q4 2023400$6.62B
Q3 2023350$5.48B
Q2 2023393$6.14B
Q1 2023337$4.81B
Q4 2022303$3.27B
Q3 2022241$2.38B
Q2 2022253$2.07B
Q1 2022276$2.98B
Q4 2021258$2.80B
Q3 2021236$2.07B
Q2 2021219$2.30B
Q1 2021213$1.86B

Institutions, Q4 2024

Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q3 2024.

Institutions holding RMBS in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Hemington Wealth Management16$00.00%+11+220.0%Added
Pinpoint Asset Management Ltd1$530.00%00.0%Unchanged
Activest Wealth Management1$530.00%+1New
Global Financial Private Client, LLC2$1060.00%+2New
Parkworth Wealth Management, Inc.2$1060.00%+2New
Capital A Wealth Management, LLC2$1060.00%+2New
Hexagon Capital Partners LLC3$1590.00%+3New
Parkside Financial Bank & Trust4$2120.00%+4New
SJS Investment Consulting Inc.5$2650.00%−10−66.7%Reduced
DiNuzzo Private Wealth, Inc.5$2650.00%−5−50.0%Reduced
Skopos Labs, Inc.5$2650.00%+5New
WealthTrak Capital Management LLC5$2650.00%+5New
Cornerstone Planning Group LLC6$3480.00%+6New
NBC Securities, Inc.9$5100.05%−8,364−99.9%Reduced
Rakuten Securities, Inc.10$5290.00%−15−60.0%Reduced
Prestige Wealth Management Group LLC10$5290.00%00.0%Unchanged
Financial Management Professionals, Inc.11$5810.00%00.0%Unchanged
CVA Family Office, LLC12$6340.00%+12New
UMA Financial Services, Inc.12$6350.00%+12New
Harbour Investments, Inc.20$1.06K0.00%00.0%Unchanged
R Squared Ltd20$1.06K0.00%+20New
Westside Investment Management, Inc.25$1.32K0.00%00.0%Unchanged
Creative Financial Designs Inc26$1.37K0.00%+26New
High Note Wealth, LLC35$1.85K0.00%+35New
MV Capital Management, Inc.35$1.85K0.00%+26+288.9%Added
Valley National Advisers Inc50$2.00K0.00%00.0%Unchanged
Colonial Trust Co40$2.11K0.00%00.0%Unchanged
Legacy Investment Solutions, LLC33$2.21K0.00%+17+106.3%Added
Legacy Wealth Managment, LLC33$2.21K0.00%+17+106.3%Added
GWM Advisors LLC42$2.22K0.00%−83−66.4%Reduced
Farmers & Merchants Investments Inc45$2.38K0.00%00.0%Unchanged
Wolff Wiese Magana LLC49$2.59K0.00%00.0%Unchanged
First Horizon Advisors, Inc.50$2.64K0.00%00.0%Unchanged
IFP Advisors, Inc55$2.91K0.00%+13+31.0%Added
JFS Wealth Advisors, LLC58$3.07K0.00%−16−21.6%Reduced
Larson Financial Group LLC63$3.33K0.00%−449−87.7%Reduced
Huntington National Bank67$3.54K0.00%−169−71.6%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.65$3.58K0.00%00.0%Unchanged
Bell Investment Advisors, Inc74$3.91K0.00%+9+13.8%Added
Continuum Advisory, LLC75$3.96K0.00%00.0%Unchanged
First Pacific Financial75$3.96K0.00%+68+971.4%Added
Sachetta, LLC76$4.02K0.00%+47+162.1%Added
Private Trust Co NA80$4.23K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC80$4.23K0.00%00.0%Unchanged
LGT Financial Advisors LLC80$4.23K0.01%00.0%Unchanged
Global Retirement Partners, LLC86$4.55K0.00%+3+3.6%Added
Private Wealth Management Group, LLC88$4.65K0.00%00.0%Unchanged
Cape Investment Advisory, Inc.94$4.97K0.00%+94New
Spire Wealth Management100$5.29K0.00%00.0%Unchanged
Geneos Wealth Management Inc.100$5.29K0.00%+100New
Sterling Capital Management LLC110$5.82K0.00%−1−0.9%Reduced
SBI Securities Co., Ltd.128$6.77K0.00%+128New
Fairscale Capital, LLC132$6.98K0.01%00.0%Unchanged
Key Financial Inc137$7.24K0.00%00.0%Unchanged
True Wealth Design, LLC139$7.35K0.00%+5+3.7%Added
Mather Group, LLC.146$7.72K0.00%+79+117.9%Added
Leonteq Securities AG148$7.82K0.00%−4,669−96.9%Reduced
Coppell Advisory Solutions LLC147$7.88K0.00%00.0%Unchanged
Rothschild Investment LLC150$7.93K0.00%+90+150.0%Added
Nelson, Van Denburg & Campbell Wealth Management Group, LLC163$8.62K0.00%+98+150.8%Added
PenderFund Capital Management Ltd.130$9.88K0.00%+130New
Cullen/Frost Bankers, Inc.212$11.2K0.00%+27+14.6%Added
Principal Securities, Inc.218$11.5K0.00%−6−2.7%Reduced
Bessemer Group Inc227$12.0K0.00%−505−69.0%Reduced
Massmutual Trust Co FSB273$14.4K0.00%−17−5.9%Reduced
Aventura Private Wealth, LLC274$14.5K0.01%+274New
Tradewinds Capital Management, LLC296$15.6K0.00%−1,000−77.2%Reduced
Financial Life Planners300$15.9K0.01%+300New
Riggs Asset Managment Co. Inc.411$22.0K0.01%+11+2.8%Added
Federation des caisses Desjardins du Quebec430$22.7K0.00%−85−16.5%Reduced
Allworth Financial LP358$23.1K0.00%+51+16.6%Added
Smartleaf Asset Management LLC435$23.3K0.00%+296+212.9%Added
Rise Advisors, LLC445$23.5K0.01%00.0%Unchanged
Ci Investments Inc.446$24.0K0.00%+125+38.9%Added
Maryland Capital Advisors Inc.483$25.5K0.01%00.0%Unchanged
Bartlett & Co. Wealth Management LLC500$26.4K0.00%00.0%Unchanged
V-Square Quantitative Management LLC508$26.9K0.00%−26−4.9%Reduced
Umb Bank N A537$28.4K0.00%+455+554.9%Added
Walleye Capital LLC634$33.5K0.00%−67,859−99.1%Reduced
Caitong International Asset Management Co., Ltd675$35.7K0.03%+675New
Bayforest Capital Ltd700$37.0K0.05%+700New
Orion Capital Management LLC703$37.2K0.02%+703New
Versant Capital Management, Inc708$37.4K0.01%+45+6.8%Added
Skandinaviska Enskilda Banken AB (publ)709$38.0K0.00%+640+927.5%Added
Optiver Holding B.V.776$41.0K0.00%−229−22.8%Reduced
Signaturefd, LLC937$49.5K0.00%+93+11.0%Added
Proequities, Inc.795$51.3K0.00%+15+1.9%Added
Van Hulzen Asset Management, LLC1,000$52.9K0.00%+1,000New
Jones Financial Companies LLLP1,075$56.8K0.00%+75+7.5%Added
Meeder Asset Management Inc1,102$58.3K0.00%−3,196−74.4%Reduced
Farther Finance Advisors, LLC1,126$59.5K0.00%+891+379.1%Added
Householder Group Estate & Retirement Specialist, LLC1,149$60.0K0.04%00.0%Unchanged
Fifth Third Bancorp1,136$60.0K0.00%+150+15.2%Added
Quarry LP1,166$61.6K0.01%+247+26.9%Added
Credit Agricole S A1,175$62.1K0.00%00.0%Unchanged
Parallel Advisors, LLC1,215$64.2K0.00%+697+134.6%Added
GeoWealth Management, LLC1,291$68.2K0.00%+1,291New
MAI Capital Management1,325$70.0K0.00%+1,325New
Aster Capital Management (DIFC) Ltd1,385$73.2K0.03%+1,385New
Ronald Blue Trust, Inc.1,452$76.8K0.00%−2,609−64.2%Reduced