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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.

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: 621 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 2026621$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
New York State Teachers Retirement System65,938$1.42M0.00%+310+0.5%Added
Trexquant Investment LP65,321$1.40M0.06%+65,321New
Barclays PLC61,989$1.33M0.00%−35,775−36.6%Reduced
HRT Financial LP60,140$1.29M0.01%+60,140New
American International Group, Inc.59,444$1.28M0.01%−2,774−4.5%Reduced
Ziegler Capital Management, LLC58,392$1.25M0.05%+2,000+3.5%Added
MetLife Investment Management57,796$1.24M0.01%−1,601−2.7%Reduced
Louisiana State Employees Retirement System53,300$1.23M0.03%+100+0.2%Added
State Board of Administration of Florida Retirement System55,873$1.20M0.00%−6,274−10.1%Reduced
Amalgamated Bank52,401$1.13M0.01%+3,210+6.5%Added
Heard Capital LLC51,900$1.11M0.12%−470,470−90.1%Reduced
PEAK6 Investments LLC50,608$1.09M0.03%+50,608New
STRS Ohio50,100$1.08M0.00%+2,400+5.0%Added
Capital Fund Management S.A.48,009$1.03M0.03%+29,663+161.7%Added
Susquehanna International Group, LLP46,621$1.00M0.00%+37,853+431.7%Added
Envestnet Asset Management Inc46,314$995.0K0.00%+14,123+43.9%Added
AQR Capital Management LLC45,539$979.0K0.00%+1,588+3.6%Added
Maryland State Retirement & Pension System44,729$961.0K0.03%+873+2.0%Added
Price T Rowe Associates Inc44,396$954.0K0.00%+808+1.9%Added
Manufacturers Life Insurance Company, The44,232$950.5K0.00%−325−0.7%Reduced
Voya Investment Management LLC41,859$900.0K0.00%−607−1.4%Reduced
Two Sigma Investments, LP41,607$894.0K0.00%−403,291−90.6%Reduced
Schonfeld Strategic Advisors LLC39,421$847.0K0.01%+39,421New
Oregon Public Employees Retirement Fund35,728$768.0K0.01%−5,700−13.8%Reduced
Gyon Technologies Capital Management, LP35,189$756.0K0.21%+35,189New
Robeco Institutional Asset Management B.V.34,566$743.0K0.00%−3,835−10.0%Reduced
Ensign Peak Advisors, Inc34,117$733.0K0.00%00.0%Unchanged
Guggenheim Capital LLC33,758$725.0K0.01%−6,587−16.3%Reduced
Truist Financial Corp33,269$715.0K0.00%−18,423−35.6%Reduced
Hillsdale Investment Management Inc.32,200$692.0K0.06%+32,200New
Yorktown Management & Research Co Inc31,500$677.0K0.87%−14,900−32.1%Reduced
HSBC Holdings PLC29,878$648.0K0.00%−2,774−8.5%Reduced
Aquila Investment Management LLC30,000$645.0K0.46%+30,000New
Magnetar Financial LLC29,825$641.0K0.01%+29,825New
Arizona State Retirement System29,638$637.0K0.01%+75+0.3%Added
Winton Group Ltd29,438$633.0K0.03%−1,041−3.4%Reduced
First Hawaiian Bank27,560$592.0K0.02%00.0%Unchanged
Advisors Asset Management, Inc.26,581$571.0K0.01%+26,581New
MQS Management LLC25,717$553.0K0.38%+25,717New
Mitsubishi UFJ Trust & Banking Corp24,700$531.0K0.00%+462+1.9%Added
Janus Henderson Group PLC23,071$496.0K0.00%−26−0.1%Reduced
Juncture Wealth Strategies, LLC22,233$478.0K0.24%−2,908−11.6%Reduced
JB Capital LLC21,347$459.0K0.05%+651+3.1%Added
ETF Managers Group, LLC20,652$446.0K0.01%−15,099−42.2%Reduced
Mirabella Financial Services LLP19,779$425.0K0.04%+19,779New
Diversified Trust Co19,352$416.0K0.02%+19,352New
Bank of Montreal18,140$402.0K0.00%−15,183−45.6%Reduced
Handelsbanken Fonder AB18,597$400.0K0.00%00.0%Unchanged
Mutual of America Capital Management LLC18,515$398.0K0.01%+2,756+17.5%Added
Everence Capital Management Inc18,385$395.0K0.04%+4,940+36.7%Added
Teacher Retirement System of Texas17,806$383.0K0.00%−4,724−21.0%Reduced
BNC Wealth Management, LLC16,768$360.0K0.19%00.0%Unchanged
UBS Group AG16,079$346.0K0.00%−61,195−79.2%Reduced
Advisor Group Holdings, Inc.16,108$345.0K0.00%−61,516−79.2%Reduced
Quantbot Technologies LP15,842$340.0K0.03%+15,842New
Public Employees Retirement Association of Colorado15,619$336.0K0.00%00.0%Unchanged
ProShare Advisors LLC15,478$332.0K0.00%−8,678−35.9%Reduced
New York Life Investment Management LLC14,623$314.0K0.00%+14,623New
Zurcher Kantonalbank (Zurich Cantonalbank)14,134$304.0K0.00%−1,396−9.0%Reduced
Boothbay Fund Management, LLC13,614$293.0K0.01%+13,614New
Voloridge Investment Management, LLC13,057$281.0K0.00%+13,057New
Creative Planning12,800$275.0K0.00%+2,808+28.1%Added
Martingale Asset Management L P12,345$266.0K0.00%−38,017−75.5%Reduced
Group One Trading, L.P.12,322$265.0K0.01%−263−2.1%Reduced
United Services Automobile Association11,700$251.0K0.01%+11,700New
Redwood Investment Management, LLC11,625$250.0K0.04%−1,165−9.1%Reduced
Cetera Advisor Networks LLC11,400$245.0K0.00%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.11,209$241.0K0.00%−5,021−30.9%Reduced
Eqis Capital Management, Inc.10,089$216.8K0.02%−1,472−12.7%Reduced
Rockland Trust Co9,992$215.0K0.01%00.0%Unchanged
Quantamental Technologies LLC9,897$213.0K0.10%−55−0.6%Reduced
American Century Companies Inc9,749$210.0K0.00%+2,542+35.3%Added
Crossmark Global Holdings, Inc.9,740$209.0K0.01%00.0%Unchanged
KBC Group NV9,639$207.0K0.00%+5,684+143.7%Added
Cornerstone Investment Partners, LLC9,605$206.0K0.01%00.0%Unchanged
Janney Montgomery Scott LLC9,300$201.0K0.00%+9,300New
Contravisory Investment Management, Inc.8,732$188.0K0.06%00.0%Unchanged
State of Wyoming8,528$184.0K0.11%−3,231−27.5%Reduced
New Century Advisors, LLC8,354$180.0K0.20%+594+7.7%Added
Ameritas Investment Partners, Inc.8,317$178.0K0.01%00.0%Unchanged
Metropolitan Life Insurance Co6,985$150.1K0.01%00.0%Unchanged
US Bancorp6,743$145.0K0.00%−1,141−14.5%Reduced
Allspring Global Investments Holdings, LLC5,940$127.0K0.00%−46,716−88.7%Reduced
Counterpoint Mutual Funds LLC5,925$127.0K0.09%+3,887+190.7%Added
The PNC Financial Services Group, Inc.5,712$122.0K0.00%+23+0.4%Added
Point72 Hong Kong Ltd5,512$118.0K0.01%+5,512New
IFP Advisors, Inc7,177$115.0K0.00%−3,597−33.4%Reduced
Northwestern Mutual Wealth Management Co5,322$114.0K0.00%+885+19.9%Added
Tower Research Capital LLC (TRC)3,947$85.0K0.00%+2,662+207.2%Added
FMR LLC3,905$84.0K0.00%+184+4.9%Added
Harvest Fund Management Co., Ltd3,723$80.0K0.02%00.0%Unchanged
HHM Wealth Advisors, LLC3,500$75.0K0.02%00.0%Unchanged
Nisa Investment Advisors, LLC3,360$72.0K0.00%00.0%Unchanged
Sutton Wealth Advisors Inc.2,816$60.5K0.02%−17−0.6%Reduced
CarsonAllaria Wealth Management, Ltd.2,635$57.0K0.05%+102+4.0%Added
CWM, LLC2,552$55.0K0.00%+1,859+268.3%Added
Neo Ivy Capital Management2,423$52.0K0.14%+2,423New
Macquarie Group Ltd2,114$45.0K0.00%00.0%Unchanged
Simplex Trading, LLC1,931$41.0K0.00%−2,250−53.8%Reduced
Bell Investment Advisors, Inc1,523$33.0K0.01%+1,523New