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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 2023

Institutional positions in Rambus Inc as of Jun 30, 2023. 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
393
+58 vs. Q1 2023
Shares held
95.7M
+2.08M (+2.2%) vs. Q1 2023
Total value
$6.14B
+$1.33B (+27.5%) vs. Q1 2023
New holders
95
139 more added
Sold out
37
128 more reduced

2 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 2023: 393 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 2023: $6.14B
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 2023

Shares, value and share of portfolio for each institution holding Rambus Inc; share changes are against Q1 2023.

Institutions holding RMBS in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
NJ State Employees Deferred Compensation Plan4,000$256.7K0.04%00.0%Unchanged
Pinpoint Asset Management Ltd4,000$257.0K0.00%+4,000New
Independent Financial Group, LLC4,020$258.0K0.02%+4,020New
Eqis Capital Management, Inc.4,057$260.3K0.03%−2,243−35.6%Reduced
Verition Fund Management LLC4,097$262.9K0.00%−5,913−59.1%Reduced
Donoghue Forlines LLC4,111$263.8K0.08%+4,111New
Hennion & Walsh Asset Management, Inc.4,208$270.0K0.02%+4,208New
Associated Banc-Corp4,300$275.9K0.01%00.0%Unchanged
Wedbush Securities Inc4,304$276.0K0.01%+4,304New
Blair William & Co4,314$276.8K0.00%+4,314New
Quantamental Technologies LLC4,418$283.5K0.12%+4,418New
Coldstream Capital Management Inc4,446$285.3K0.01%+38+0.9%Added
CWM, LLC4,458$286.0K0.00%+2,145+92.7%Added
Inceptionr LLC4,556$292.4K0.16%−6,162−57.5%Reduced
Quantinno Capital Management LP4,576$294.0K0.02%+108+2.4%Added
Toroso Investments, LLC4,574$294.0K0.01%+4,574New
Fort, L.P.4,617$296.3K0.78%+4,617New
Miracle Mile Advisors, LLC4,631$297.2K0.01%−481−9.4%Reduced
Belpointe Asset Management LLC4,672$299.8K0.03%−53−1.1%Reduced
Public Employees Retirement System of Ohio4,693$301.0K0.00%−67,469−93.5%Reduced
Nisa Investment Advisors, LLC4,842$310.7K0.00%+1,180+32.2%Added
Rockland Trust Co4,996$320.6K0.02%00.0%Unchanged
Buckingham Strategic Partners5,037$323.2K0.02%−2,436−32.6%Reduced
Synovus Financial Corp5,104$327.5K0.00%+5,104New
CIBC World Markets Inc.5,188$333.0K0.00%+5,188New
Cutler Group LP5,445$349.0K0.08%+4,975+1,058.5%Added
Raymond James Financial Services Advisors, Inc.5,450$349.7K0.00%−19−0.3%Reduced
HHM Wealth Advisors, LLC5,500$352.9K0.07%+2,000+57.1%Added
Kapitalo Investimentos Ltda5,571$357.5K0.07%+3,508+170.0%Added
O'Shaughnessy Asset Management, LLC5,575$357.7K0.01%+292+5.5%Added
Commonwealth Equity Services, LLC5,641$362.0K0.00%+5,641New
Pathstone Family Office, LLC4,091$362.2K0.01%−321−7.3%Reduced
Veriti Management LLC5,646$362.3K0.04%+21+0.4%Added
Shelton Capital Management5,855$375.7K0.01%−475−7.5%Reduced
Metropolitan Life Insurance Co5,958$382.3K0.02%+184+3.2%Added
Shell Asset Management Co6,005$385.0K0.02%+6,005New
Xponance, Inc.6,399$410.6K0.01%+206+3.3%Added
Profund Advisors LLC6,439$413.2K0.02%+107+1.7%Added
Shay Capital LLC6,500$417.1K0.15%+6,500New
Legato Capital Management LLC6,670$428.0K0.06%+6,670New
Pinnacle Wealth Planning Services, Inc.6,691$429.4K0.07%+2,417+56.6%Added
Sequoia Financial Advisors, LLC6,806$436.7K0.01%−68−1.0%Reduced
Connor, Clark & Lunn Investment Management Ltd.7,039$451.7K0.00%+7,039New
The PNC Financial Services Group, Inc.7,315$469.4K0.00%+1,009+16.0%Added
GWM Advisors LLC7,354$471.9K0.01%+2,433+49.4%Added
MML Investors Services, LLC7,361$472.0K0.00%+107+1.5%Added
Mitsubishi UFJ Trust & Banking Corp7,537$483.6K0.00%00.0%Unchanged
Boston Partners7,681$492.9K0.00%−34,082−81.6%Reduced
National Bank of Canada7,700$493.3K0.00%−4,285−35.8%Reduced
New York Life Investment Management LLC8,040$515.9K0.01%−1,864−18.8%Reduced
Woodline Partners LP8,222$527.6K0.01%+1,264+18.2%Added
Evergreen Capital Management LLC8,276$531.1K0.02%+1,517+22.4%Added
Gotham Asset Management, LLC8,314$533.5K0.01%−19,643−70.3%Reduced
Crossmark Global Holdings, Inc.8,606$538.0K0.01%+165+2.0%Added
JustInvest LLC8,387$538.2K0.02%+414+5.2%Added
KBC Group NV8,413$540.0K0.00%−586−6.5%Reduced
Kiwi Wealth Investments Limited Partnership8,459$543.0K0.03%00.0%Unchanged
Avantax Planning Partners, Inc.8,600$551.9K0.02%00.0%Unchanged
Ameritas Investment Partners, Inc.8,871$569.3K0.02%+286+3.3%Added
Northwestern Mutual Wealth Management Co9,040$580.1K0.00%+6,340+234.8%Added
Bank Julius Baer & Co. Ltd, Zurich9,106$584.0K0.00%+9,106New
Mercer Global Advisors Inc9,451$606.0K0.00%+1,482+18.6%Added
ARGA Investment Management, LP9,489$608.9K0.02%−6,669−41.3%Reduced
Truvestments Capital LLC9,609$616.6K0.31%+43+0.4%Added
Quadrature Capital Ltd9,657$619.7K0.01%+9,657New
Caxton Associates LP9,716$623.5K0.09%+9,716New
Virginia Retirement Systems Et Al9,800$628.9K0.01%+9,800New
Engineers Gate Manager LP9,809$629.4K0.02%−1,775−15.3%Reduced
Contravisory Investment Management, Inc.9,920$636.6K0.17%−50−0.5%Reduced
Mariner, LLC10,175$652.9K0.00%−466−4.4%Reduced
Brinker Capital Investments, LLC10,343$663.7K0.01%+10,343New
Orion Portfolio Solutions, LLC10,343$663.7K0.01%+10,343New
Cetera Advisor Networks LLC10,827$694.8K0.00%+114+1.1%Added
Advisor Partners II, LLC11,092$711.8K0.03%+64+0.6%Added
Citadel Advisors LLC11,245$721.6K0.00%+11,245New
Jump Financial, LLC11,412$732.3K0.03%−33,372−74.5%Reduced
Juncture Wealth Strategies, LLC11,830$759.1K0.36%−2,562−17.8%Reduced
Meritage Portfolio Management11,960$767.0K0.05%+3,461+40.7%Added
Dynamic Technology Lab Private Ltd12,070$775.0K0.10%+12,070New
Allspring Global Investments Holdings, LLC12,448$798.8K0.00%−27,621−68.9%Reduced
Campbell & CO Investment Adviser LLC12,597$808.3K0.14%+557+4.6%Added
Moors & Cabot, Inc.12,800$821.4K0.05%−720−5.3%Reduced
Robeco Institutional Asset Management B.V.13,341$856.1K0.00%−2,344−14.9%Reduced
Centiva Capital, LP13,964$896.1K0.05%−21,532−60.7%Reduced
BNC Wealth Management, LLC14,346$920.6K0.49%+78+0.5%Added
Cambridge Investment Research Advisors, Inc.14,397$924.0K0.00%+5,299+58.2%Added
Skandinaviska Enskilda Banken AB (publ)14,400$924.0K0.01%+14,400New
First Hawaiian Bank14,808$950.2K0.03%−4,912−24.9%Reduced
E Fund Management Co., Ltd.14,822$951.0K0.08%+9,047+156.7%Added
Hanseatic Management Services Inc14,866$954.0K1.76%+167+1.1%Added
Private Advisory Group LLC15,255$978.9K0.19%+15,255New
Prudential PLC15,502$994.8K0.01%−256−1.6%Reduced
Public Employees Retirement Association of Colorado15,619$1.00M0.00%00.0%Unchanged
Bank of Montreal15,737$1.01M0.00%−4,750−23.2%Reduced
Simplex Trading, LLC15,831$1.01M0.04%+11,240+244.8%Added
Virtue Capital Management, LLC16,383$1.03M0.17%−1,149−6.6%Reduced
US Bancorp16,199$1.04M0.00%+11,935+279.9%Added
Navellier & Associates Inc16,226$1.04M0.20%+5,029+44.9%Added
TrimTabs Asset Management, LLC16,235$1.04M0.53%−106−0.6%Reduced
Petra Financial Advisors Inc16,724$1.07M0.96%+16,724New