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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, Q3 2022

Institutional positions in Rambus Inc as of Sep 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
241
−9 vs. Q2 2022
Shares held
93.5M
−2.30M (−2.4%) vs. Q2 2022
Total value
$2.38B
+$310.2M (+15.0%) vs. Q2 2022
New holders
31
81 more added
Sold out
40
94 more reduced

3 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2022: 241 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 heldQ3 2022: $2.38B
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, Q3 2022

Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q2 2022.

Institutions holding RMBS in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Price T Rowe Associates Inc53,147$1.35M0.00%+8,751+19.7%Added
Louisiana State Employees Retirement System52,800$1.34M0.04%−500−0.9%Reduced
Barclays PLC51,240$1.30M0.00%−10,749−17.3%Reduced
Envestnet Asset Management Inc49,124$1.25M0.00%+2,810+6.1%Added
AQR Capital Management LLC46,524$1.18M0.00%+985+2.2%Added
UBS Group AG46,558$1.18M0.00%+30,479+189.6%Added
SG Americas Securities, LLC46,517$1.18M0.02%−70,342−60.2%Reduced
STRS Ohio46,500$1.18M0.01%−3,600−7.2%Reduced
Manufacturers Life Insurance Company, The43,623$1.11M0.00%−609−1.4%Reduced
Voya Investment Management LLC41,859$1.06M0.00%00.0%Unchanged
Mackenzie Financial Corp40,142$1.02M0.00%+40,142New
Oregon Public Employees Retirement Fund36,625$931.0K0.01%+897+2.5%Added
Jackson Creek Investment Advisors LLC36,129$918.0K0.43%+36,129New
Teachers Retirement System of the State of Kentucky34,309$872.0K0.01%+34,309New
Ensign Peak Advisors, Inc34,117$867.0K0.00%00.0%Unchanged
Susquehanna International Group, LLP33,745$858.0K0.00%−12,876−27.6%Reduced
Capital Fund Management S.A.32,894$836.2K0.02%−15,115−31.5%Reduced
Yorktown Management & Research Co Inc31,500$801.0K1.04%00.0%Unchanged
AE Wealth Management LLC31,462$800.0K0.01%+31,462New
Hillsdale Investment Management Inc.31,200$793.0K0.07%−1,000−3.1%Reduced
ClariVest Asset Management LLC31,231$793.0K0.04%+31,172+52,833.9%Added
Robeco Institutional Asset Management B.V.31,161$792.0K0.00%−3,405−9.9%Reduced
Guggenheim Capital LLC30,601$778.0K0.01%−3,157−9.4%Reduced
Arizona State Retirement System29,956$761.0K0.01%+318+1.1%Added
Juncture Wealth Strategies, LLC29,832$758.0K0.38%+7,599+34.2%Added
First Hawaiian Bank27,002$686.0K0.03%−558−2.0%Reduced
Advisors Asset Management, Inc.26,137$664.0K0.01%−444−1.7%Reduced
Campbell & CO Investment Adviser LLC25,539$649.0K0.15%+25,539New
HSBC Holdings PLC21,762$563.0K0.00%−8,116−27.2%Reduced
Mutual of America Capital Management LLC21,989$559.0K0.01%+3,474+18.8%Added
ARGA Investment Management, LP21,680$551.1K0.03%+21,680New
PEAK6 Investments LLC21,517$547.0K0.02%−29,091−57.5%Reduced
ETF Managers Group, LLC21,485$546.0K0.02%+833+4.0%Added
TD Asset Management Inc21,000$541.0K0.00%+21,000New
JB Capital LLC20,636$525.0K0.06%−711−3.3%Reduced
Diversified Trust Co19,365$492.0K0.02%+13+0.1%Added
Mitsubishi UFJ Trust & Banking Corp19,307$491.0K0.00%−5,393−21.8%Reduced
Janus Henderson Group PLC19,213$489.0K0.00%−3,858−16.7%Reduced
Handelsbanken Fonder AB18,597$473.0K0.00%00.0%Unchanged
Jane Street Group, LLC18,512$471.0K0.00%+18,512New
Everence Capital Management Inc18,385$467.0K0.04%00.0%Unchanged
Bank of Montreal17,191$447.0K0.00%−949−5.2%Reduced
BNC Wealth Management, LLC16,768$426.0K0.26%00.0%Unchanged
Creative Planning16,033$408.0K0.00%+3,233+25.3%Added
Advisor Group Holdings, Inc.15,933$403.0K0.00%−175−1.1%Reduced
New York Life Investment Management LLC15,782$401.0K0.00%+1,159+7.9%Added
Public Employees Retirement Association of Colorado15,619$397.0K0.00%00.0%Unchanged
American Century Companies Inc15,595$396.0K0.00%+5,846+60.0%Added
Truist Financial Corp15,517$394.0K0.00%−17,752−53.4%Reduced
ProShare Advisors LLC15,095$383.0K0.00%−383−2.5%Reduced
Aquila Investment Management LLC15,000$381.0K0.28%−15,000−50.0%Reduced
Moors & Cabot, Inc.14,300$364.0K0.03%+14,300New
State of Wyoming14,175$361.0K0.18%+5,647+66.2%Added
Zurcher Kantonalbank (Zurich Cantonalbank)14,134$359.0K0.00%00.0%Unchanged
Allspring Global Investments Holdings, LLC12,158$309.0K0.00%+6,218+104.7%Added
United Services Automobile Association12,126$308.0K0.01%+426+3.6%Added
Mariner, LLC11,869$302.0K0.00%+11,869New
Janney Montgomery Scott LLC11,205$285.0K0.00%+1,905+20.5%Added
Cetera Advisor Networks LLC11,100$282.0K0.00%−300−2.6%Reduced
Algert Global LLC11,060$281.0K0.02%+11,060New
Eqis Capital Management, Inc.10,910$277.3K0.03%+821+8.1%Added
Millennium Management LLC10,066$256.0K0.00%−560,937−98.2%Reduced
Rockland Trust Co9,992$254.0K0.02%00.0%Unchanged
Advisor Partners II, LLC9,980$254.0K0.02%+9,980New
Cambridge Investment Research Advisors, Inc.9,813$249.0K0.00%−1,396−12.5%Reduced
KBC Group NV9,639$245.0K0.00%00.0%Unchanged
Cornerstone Investment Partners, LLC9,605$244.0K0.02%00.0%Unchanged
Crossmark Global Holdings, Inc.9,390$238.0K0.01%−350−3.6%Reduced
Centiva Capital, LP8,774$223.0K0.02%+8,774New
Contravisory Investment Management, Inc.8,732$222.0K0.07%00.0%Unchanged
New Century Advisors, LLC8,478$216.0K0.26%+124+1.5%Added
Ameritas Investment Partners, Inc.8,317$211.0K0.01%00.0%Unchanged
Pictet Asset Management SA8,104$206.0K0.00%+8,104New
Buckingham Strategic Partners8,079$205.0K0.01%+8,079New
Meritage Portfolio Management7,954$202.0K0.02%+7,954New
Tower Research Capital LLC (TRC)7,889$200.0K0.00%+3,942+99.9%Added
Group One Trading, L.P.7,551$192.0K0.01%−4,771−38.7%Reduced
Northwestern Mutual Wealth Management Co6,579$167.0K0.00%+1,257+23.6%Added
Metropolitan Life Insurance Co6,528$165.9K0.01%−457−6.5%Reduced
The PNC Financial Services Group, Inc.6,239$158.0K0.00%+527+9.2%Added
FMR LLC6,001$152.0K0.00%+2,096+53.7%Added
Counterpoint Mutual Funds LLC5,149$131.0K0.32%−776−13.1%Reduced
Belpointe Asset Management LLC4,595$117.0K0.01%+4,595New
Householder Group Estate & Retirement Specialist, LLC4,511$114.0K0.05%+4,511New
IFP Advisors, Inc6,988$112.0K0.00%−189−2.6%Reduced
Nisa Investment Advisors, LLC3,432$103.0K0.00%+72+2.1%Added
US Bancorp3,973$101.0K0.00%−2,770−41.1%Reduced
Aquatic Capital Management LLC3,600$92.0K0.01%+3,600New
HHM Wealth Advisors, LLC3,500$89.0K0.02%00.0%Unchanged
Sutton Wealth Advisors Inc.2,837$72.1K0.03%+21+0.7%Added
CarsonAllaria Wealth Management, Ltd.2,544$65.0K0.06%−91−3.5%Reduced
CWM, LLC2,540$65.0K0.00%−12−0.5%Reduced
Quadrant Capital Group LLC2,533$64.0K0.01%+2,413+2,010.8%Added
Macquarie Group Ltd0$54.0K0.00%−2,114−100.0%Reduced
Brown Brothers Harriman & Co1,549$39.0K0.00%+1,549New
Bell Investment Advisors, Inc1,488$38.0K0.01%−35−2.3%Reduced
Harvest Fund Management Co., Ltd1,444$37.0K0.01%−2,279−61.2%Reduced
Clearstead Advisors, LLC1,315$33.0K0.00%00.0%Unchanged
Lindbrook Capital, LLC1,103$28.0K0.00%+924+516.2%Added
Versant Capital Management, Inc907$23.0K0.01%−242−21.1%Reduced