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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 2024

Institutional positions in Rambus Inc as of Sep 30, 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
376
+15 vs. Q2 2024
Shares held
93.1M
+12.8M (+15.9%) vs. Q2 2024
Total value
$3.94B
−$775.7M (−16.4%) vs. Q2 2024
New holders
77
160 more added
Sold out
62
103 more reduced

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2024: 376 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 2024: $3.94B
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 2024

Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q2 2024.

Institutions holding RMBS in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Yorktown Management & Research Co Inc17,800$751.5K0.77%00.0%Unchanged
XTX Topco Ltd17,656$745.4K0.05%+17,656New
Pictet Asset Management Holding SA17,506$738.8K0.00%+2,916+20.0%Added
AXA S.A.17,297$730.3K0.00%−17,660−50.5%Reduced
Toroso Investments, LLC17,111$722.4K0.01%−3,961−18.8%Reduced
Cerity Partners LLC16,615$701.5K0.00%+6,814+69.5%Added
Pathstone Holdings, LLC16,411$692.9K0.00%−3,701−18.4%Reduced
Landscape Capital Management, L.L.C.16,039$677.2K0.07%+16,039New
Aviva PLC15,904$671.5K0.00%+4,933+45.0%Added
Advisor Group Holdings, Inc.15,794$666.7K0.00%−2,120−11.8%Reduced
Truvestments Capital LLC15,727$664.0K0.18%−87−0.6%Reduced
Bank of Montreal15,525$653.9K0.00%+1,072+7.4%Added
BNP Paribas15,124$636.8K0.03%00.0%Unchanged
JustInvest LLC14,947$631.1K0.01%+1,382+10.2%Added
Xponance, Inc.14,697$620.5K0.01%+102+0.7%Added
Holocene Advisors, LP14,402$608.1K0.00%+14,402New
BNC Wealth Management, LLC14,268$602.4K0.22%00.0%Unchanged
Meritage Portfolio Management13,673$577.0K0.04%+1,370+11.1%Added
Commonwealth Equity Services, LLC13,255$560.0K0.00%+117+0.9%Added
Prelude Capital Management, LLC13,078$552.2K0.04%+13,078New
State of Alaska, Department of Revenue12,510$528.0K0.01%+845+7.2%Added
Mariner, LLC12,306$519.4K0.00%+1,417+13.0%Added
Profund Advisors LLC11,755$496.3K0.02%−1,090−8.5%Reduced
Ontario Teachers Pension Plan Board11,336$478.6K0.00%−6,081−34.9%Reduced
Public Employees Retirement Association of Colorado11,218$474.0K0.00%00.0%Unchanged
Wesbanco Bank Inc10,984$463.7K0.02%+10,984New
Keebeck Alpha, LP10,892$459.9K0.30%+10,892New
Sherbrooke Park Advisers LLC10,878$459.3K0.11%+3,691+51.4%Added
Quadrature Capital Ltd10,788$455.3K0.01%+10,788New
Ethic Inc.7,361$455.0K0.01%−173−2.3%Reduced
Danske Bank A/S10,405$439.3K0.00%+1,782+20.7%Added
Blueshift Asset Management, LLC10,382$438.3K0.11%+1,319+14.6%Added
RSM US Wealth Management LLC10,743$431.1K0.01%+3,072+40.0%Added
Illinois Municipal Retirement Fund10,104$426.6K0.01%00.0%Unchanged
Hennion & Walsh Asset Management, Inc.10,056$424.6K0.02%+3,724+58.8%Added
Mercer Global Advisors Inc10,291$414.6K0.00%+1,346+15.0%Added
Virtu Financial LLC9,633$407.0K0.02%+9,633New
Magnetar Financial LLC9,577$404.3K0.01%−8,143−46.0%Reduced
The PNC Financial Services Group, Inc.9,503$401.2K0.00%+2,012+26.9%Added
US Bancorp9,359$395.1K0.00%+1,518+19.4%Added
Graham Capital Management, L.P.9,351$394.8K0.01%+9,351New
Advisors Asset Management, Inc.9,018$380.7K0.01%−88−1.0%Reduced
Alps Advisors Inc9,000$380.0K0.00%+9,000New
Paloma Partners Management Co8,814$372.1K0.02%+8,814New
Nations Financial Group Inc,8,679$366.4K0.03%+2,797+47.6%Added
Boothbay Fund Management, LLC8,623$364.1K0.01%+8,623New
Great Valley Advisor Group, Inc.8,550$361.0K0.01%+350+4.3%Added
Securian Asset Management, Inc8,373$353.5K0.01%−223−2.6%Reduced
Bridgefront Capital, LLC8,367$353.3K0.14%+8,367New
NBC Securities, Inc.8,373$353.0K0.03%+7,396+757.0%Added
Deerfield Management Company, L.P. (Series C)8,230$347.5K0.01%+8,230New
Forum Financial Management, LP8,018$338.5K0.01%+10.0%Added
First Hawaiian Bank7,830$330.6K0.01%−163−2.0%Reduced
Ellevest, Inc.7,655$323.2K0.02%+1,244+19.4%Added
Cambridge Investment Research Advisors, Inc.7,509$317.0K0.00%−60−0.8%Reduced
CWM, LLC7,487$316.0K0.00%+1,811+31.9%Added
Mackenzie Financial Corp7,251$306.1K0.00%+202+2.9%Added
nVerses Capital, LLC7,200$304.0K0.14%+7,200New
Evergreen Capital Management LLC7,055$297.9K0.01%−2,130−23.2%Reduced
Sanctuary Advisors, LLC5,288$295.9K0.00%+1,228+30.2%Added
Greenwood Capital Associates LLC6,830$288.4K0.04%+860+14.4%Added
Northwestern Mutual Wealth Management Co6,825$288.2K0.00%−2,976−30.4%Reduced
Crossmark Global Holdings, Inc.6,698$283.0K0.01%+17+0.3%Added
Saturna Capital CORP6,681$282.1K0.00%00.0%Unchanged
Empowered Funds, LLC6,517$275.1K0.00%+6,517New
Counterpoint Mutual Funds LLC6,404$270.4K0.05%+6,404New
Quantinno Capital Management LP6,200$261.8K0.00%+82+1.3%Added
ISAM Funds (UK) Ltd5,890$248.7K0.14%+5,890New
Janney Montgomery Scott LLC5,783$244.0K0.00%−3,183−35.5%Reduced
Ronald Blue Trust, Inc.4,061$238.6K0.00%+2,920+255.9%Added
Diametric Capital, LP5,453$230.2K0.11%+5,453New
Oppenheimer Asset Management Inc.5,376$227.0K0.00%+5,376New
Coldstream Capital Management Inc5,285$223.3K0.00%+722+15.8%Added
Prosperity Wealth Management, Inc.5,225$220.6K0.09%+5,225New
Rockland Trust Co4,996$210.9K0.01%00.0%Unchanged
Shelton Capital Management4,895$206.7K0.01%+414+9.2%Added
EntryPoint Capital, LLC4,873$205.7K0.12%+4,509+1,238.7%Added
Leonteq Securities AG4,817$203.4K0.02%+2,920+153.9%Added
Bank Julius Baer & Co. Ltd, Zurich4,004$200.4K0.00%−222−5.3%Reduced
Nisa Investment Advisors, LLC4,740$200.1K0.00%−256−5.1%Reduced
MeadowBrook Investment Advisors LLC4,620$195.1K0.18%+1,425+44.6%Added
Simplex Trading, LLC4,450$187.0K0.01%+4,450New
Meeder Asset Management Inc4,298$181.5K0.01%+1,582+58.2%Added
Shell Asset Management Co3,903$165.0K0.01%+3,903New
HHM Wealth Advisors, LLC3,500$147.8K0.02%00.0%Unchanged
Tower Research Capital LLC (TRC)3,106$131.1K0.00%−17,148−84.7%Reduced
Catalyst Funds Management Pty Ltd3,100$130.9K0.03%+3,100New
GAMMA Investing LLC2,623$110.7K0.01%+1,769+207.1%Added
KBC Group NV2,589$109.0K0.00%00.0%Unchanged
Acadian Asset Management LLC2,477$104.0K0.00%+2,477New
Covestor Ltd2,413$102.0K0.06%−304−11.2%Reduced
Clearstead Advisors, LLC2,177$91.9K0.00%+700+47.4%Added
Quadrant Capital Group LLC2,060$87.0K0.01%−273−11.7%Reduced
Northwest Capital Management Inc2,000$84.4K0.03%00.0%Unchanged
Lindbrook Capital, LLC1,347$56.9K0.01%+114+9.2%Added
State of Wyoming1,319$55.7K0.01%+819+163.8%Added
Tradewinds Capital Management, LLC1,296$54.7K0.01%+1,000+337.8%Added
Credit Agricole S A1,175$49.6K0.00%00.0%Unchanged
Householder Group Estate & Retirement Specialist, LLC1,149$48.0K0.01%−58−4.8%Reduced
Optiver Holding B.V.1,005$42.4K0.00%−773−43.5%Reduced