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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, Q2 2022

Institutional positions in Rambus Inc as of Jun 30, 2022. 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
253
−17 vs. Q1 2022
Shares held
95.8M
+2.67M (+2.9%) vs. Q1 2022
Total value
$2.07B
−$898.5M (−30.3%) vs. Q1 2022
New holders
32
94 more added
Sold out
49
82 more reduced

6 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2022: 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 holdersQ2 2022: 253 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 heldQ2 2022: $2.07B
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, Q2 2022

Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q1 2022.

Institutions holding RMBS in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
UBS Group AG16,079$346.0K0.00%−61,195−79.2%Reduced
BNC Wealth Management, LLC16,768$360.0K0.19%00.0%Unchanged
Teacher Retirement System of Texas17,806$383.0K0.00%−4,724−21.0%Reduced
Everence Capital Management Inc18,385$395.0K0.04%+4,940+36.7%Added
Mutual of America Capital Management LLC18,515$398.0K0.01%+2,756+17.5%Added
Handelsbanken Fonder AB18,597$400.0K0.00%00.0%Unchanged
Bank of Montreal18,140$402.0K0.00%−15,183−45.6%Reduced
Diversified Trust Co19,352$416.0K0.02%+19,352New
Mirabella Financial Services LLP19,779$425.0K0.04%+19,779New
ETF Managers Group, LLC20,652$446.0K0.01%−15,099−42.2%Reduced
JB Capital LLC21,347$459.0K0.05%+651+3.1%Added
Juncture Wealth Strategies, LLC22,233$478.0K0.24%−2,908−11.6%Reduced
Janus Henderson Group PLC23,071$496.0K0.00%−26−0.1%Reduced
Mitsubishi UFJ Trust & Banking Corp24,700$531.0K0.00%+462+1.9%Added
MQS Management LLC25,717$553.0K0.38%+25,717New
Advisors Asset Management, Inc.26,581$571.0K0.01%+26,581New
First Hawaiian Bank27,560$592.0K0.02%00.0%Unchanged
Winton Group Ltd29,438$633.0K0.03%−1,041−3.4%Reduced
Arizona State Retirement System29,638$637.0K0.01%+75+0.3%Added
Magnetar Financial LLC29,825$641.0K0.01%+29,825New
Aquila Investment Management LLC30,000$645.0K0.46%+30,000New
HSBC Holdings PLC29,878$648.0K0.00%−2,774−8.5%Reduced
Yorktown Management & Research Co Inc31,500$677.0K0.87%−14,900−32.1%Reduced
Hillsdale Investment Management Inc.32,200$692.0K0.06%+32,200New
Truist Financial Corp33,269$715.0K0.00%−18,423−35.6%Reduced
Guggenheim Capital LLC33,758$725.0K0.01%−6,587−16.3%Reduced
Ensign Peak Advisors, Inc34,117$733.0K0.00%00.0%Unchanged
Robeco Institutional Asset Management B.V.34,566$743.0K0.00%−3,835−10.0%Reduced
Gyon Technologies Capital Management, LP35,189$756.0K0.21%+35,189New
Oregon Public Employees Retirement Fund35,728$768.0K0.01%−5,700−13.8%Reduced
Schonfeld Strategic Advisors LLC39,421$847.0K0.01%+39,421New
Two Sigma Investments, LP41,607$894.0K0.00%−403,291−90.6%Reduced
Voya Investment Management LLC41,859$900.0K0.00%−607−1.4%Reduced
Manufacturers Life Insurance Company, The44,232$950.5K0.00%−325−0.7%Reduced
Price T Rowe Associates Inc44,396$954.0K0.00%+808+1.9%Added
Maryland State Retirement & Pension System44,729$961.0K0.03%+873+2.0%Added
AQR Capital Management LLC45,539$979.0K0.00%+1,588+3.6%Added
Envestnet Asset Management Inc46,314$995.0K0.00%+14,123+43.9%Added
Susquehanna International Group, LLP46,621$1.00M0.00%+37,853+431.7%Added
Capital Fund Management S.A.48,009$1.03M0.03%+29,663+161.7%Added
STRS Ohio50,100$1.08M0.00%+2,400+5.0%Added
PEAK6 Investments LLC50,608$1.09M0.03%+50,608New
Heard Capital LLC51,900$1.11M0.12%−470,470−90.1%Reduced
Amalgamated Bank52,401$1.13M0.01%+3,210+6.5%Added
State Board of Administration of Florida Retirement System55,873$1.20M0.00%−6,274−10.1%Reduced
Louisiana State Employees Retirement System53,300$1.23M0.03%+100+0.2%Added
MetLife Investment Management57,796$1.24M0.01%−1,601−2.7%Reduced
Ziegler Capital Management, LLC58,392$1.25M0.05%+2,000+3.5%Added
American International Group, Inc.59,444$1.28M0.01%−2,774−4.5%Reduced
HRT Financial LP60,140$1.29M0.01%+60,140New
Barclays PLC61,989$1.33M0.00%−35,775−36.6%Reduced
Trexquant Investment LP65,321$1.40M0.06%+65,321New
New York State Teachers Retirement System65,938$1.42M0.00%+310+0.5%Added
Victory Capital Management Inc66,202$1.42M0.00%−7,153−9.8%Reduced
Cambiar Investors LLC72,235$1.55M0.07%−16,128−18.3%Reduced
SEI Investments Co73,821$1.63M0.00%−47,523−39.2%Reduced
Cubist Systematic Strategies, LLC76,002$1.63M0.01%+23,512+44.8%Added
State of Tennessee, Treasury Department79,031$1.70M0.01%−8,703−9.9%Reduced
Citigroup Inc79,161$1.70M0.00%−48,123−37.8%Reduced
Texas Permanent School Fund79,676$1.71M0.03%+2,141+2.8%Added
Qube Research & Technologies Ltd82,758$1.78M0.01%+67,018+425.8%Added
State of Alaska, Department of Revenue83,351$1.79M0.02%+7,010+9.2%Added
Duality Advisers, LP84,999$1.83M0.18%+84,999New
Rice Hall James & Associates, LLC90,213$1.94M0.09%+90,213New
Wells Fargo & Company90,237$1.94M0.00%−107,606−54.4%Reduced
Occudo Quantitative Strategies LP91,612$1.97M0.16%+91,612New
Yousif Capital Management, LLC92,569$1.99M0.03%−6,190−6.3%Reduced
AlphaCrest Capital Management LLC94,516$2.03M0.10%+65,417+224.8%Added
Stifel Financial Corp95,011$2.04M0.00%+506+0.5%Added
State of New Jersey Common Pension Fund D96,127$2.07M0.01%00.0%Unchanged
Commonwealth of Pennsylvania Public School Empls Retrmt Sys100,491$2.16M0.02%+6,208+6.6%Added
Comerica Bank96,233$2.21M0.02%+3,157+3.4%Added
Crestline Management, LP106,750$2.29M0.30%−22,206−17.2%Reduced
Great West Life Assurance Co108,296$2.33M0.01%+13,973+14.8%Added
Gotham Asset Management, LLC110,239$2.37M0.08%+35,160+46.8%Added
SG Americas Securities, LLC116,859$2.51M0.03%+103,443+771.0%Added
LPL Financial LLC117,211$2.52M0.00%−2,513−2.1%Reduced
Royal Bank of Canada122,214$2.63M0.00%+30,959+33.9%Added
Squarepoint Ops LLC123,312$2.65M0.02%+50,578+69.5%Added
State of Wisconsin Investment Board130,292$2.80M0.01%+10,992+9.2%Added
Prudential Financial Inc112,571$2.80M0.00%−1,520−1.3%Reduced
Boston Partners133,320$2.87M0.00%+54,578+69.3%Added
UBS Asset Management Americas Inc136,640$2.94M0.00%−4,980−3.5%Reduced
Los Angeles Capital Management LLC139,609$3.00M0.01%+74,922+115.8%Added
California State Teachers Retirement System139,924$3.01M0.00%+733+0.5%Added
Graham Capital Management, L.P.141,441$3.04M0.14%+117,187+483.2%Added
China Universal Asset Management Co., Ltd.143,000$3.07M1.29%00.0%Unchanged
BNP Paribas Arbitrage, SA144,379$3.10M0.01%+50,696+54.1%Added
Alliancebernstein L.P.152,727$3.28M0.00%+2,115+1.4%Added
First Trust Advisors LP158,664$3.41M0.00%−10,056−6.0%Reduced
Public Employees Retirement System of Ohio158,755$3.41M0.01%+32,000+25.2%Added
ExodusPoint Capital Management, LP162,229$3.49M0.05%+128,301+378.2%Added
Jacobs Levy Equity Management, Inc175,027$3.76M0.03%−801−0.5%Reduced
HighTower Advisors, LLC181,687$3.90M0.01%−4,242−2.3%Reduced
Public Sector Pension Investment Board204,122$4.39M0.04%00.0%Unchanged
Renaissance Technologies LLC205,386$4.41M0.01%+196,286+2,157.0%Added
Putnam Investments LLC212,443$4.57M0.01%+92,678+77.4%Added
Schroder Investment Management Group218,640$4.72M0.01%+73,290+50.4%Added
Thrivent Financial for Lutherans223,513$4.80M0.01%+30,469+15.8%Added
Natixis Advisors, L.P.224,418$4.82M0.02%+90,387+67.4%Added