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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
Deutsche Bank AG235,993$5.07M0.00%−223,461−48.6%Reduced
Panagora Asset Management Inc240,819$5.17M0.03%+240,819New
Primecap Management Co253,163$5.44M0.00%−10,000−3.8%Reduced
Eagle Asset Management Inc254,473$5.47M0.03%+79,655+45.6%Added
Swiss National Bank258,600$5.56M0.00%00.0%Unchanged
Captrust Financial Advisors265,408$5.70M0.04%−32,080−10.8%Reduced
Bank of America Corp278,348$5.98M0.00%−108,060−28.0%Reduced
Credit Suisse AG280,333$6.02M0.01%+69,681+33.1%Added
Mirae Asset Global Investments Co., Ltd.282,443$6.07M0.02%+6,605+2.4%Added
Rhumbline Advisers287,424$6.18M0.01%−8,235−2.8%Reduced
Legal & General Group Plc319,646$6.87M0.00%+4,226+1.3%Added
Two Sigma Advisers, LP326,685$7.02M0.02%−64,700−16.5%Reduced
Engineers Gate Manager LP326,691$7.02M0.26%+305,861+1,468.4%Added
Man Group plc–$7.34M0.03%––
Pacer Advisors, Inc.369,925$7.95M0.06%+99,833+37.0%Added
New York State Common Retirement Fund434,547$9.34M0.01%+47,202+12.2%Added
Great Lakes Advisors, LLC437,591$9.40M0.19%−6,969−1.6%Reduced
Goldman Sachs Group Inc452,136$9.72M0.00%+48,980+12.1%Added
MESIROW FINANCIAL INVESTMENT MANAGEMENT - Equity & Fixed Income490,586$10.5M1.35%+49,525+11.2%Added
Royce & Associates LP491,990$10.6M0.11%+491,990New
Penn Capital Management Co Inc514,043$11.0M1.19%+153,494+42.6%Added
Barington Capital Group, L.P.530,100$11.4M20.80%00.0%Unchanged
JPMorgan Chase & Co532,628$11.4M0.00%−73,232−12.1%Reduced
Epoch Investment Partners, Inc.557,453$12.0M0.07%−32,241−5.5%Reduced
Millennium Management LLC571,003$12.3M0.02%+5,646+1.0%Added
Glenmede Trust Co NA624,780$13.4M0.08%−68,115−9.8%Reduced
Assenagon Asset Management S.A.681,629$14.6M0.06%+504,222+284.2%Added
Principal Financial Group Inc760,815$16.4M0.01%+30,038+4.1%Added
Charles Schwab Investment Management Inc779,590$16.8M0.01%−11,179−1.4%Reduced
Invesco Ltd.813,487$17.5M0.01%−8,539−1.0%Reduced
Shannon River Fund Management LLC910,556$19.6M5.58%+128,701+16.5%Added
Nuveen Asset Management, LLC991,417$21.3M0.01%−103,919−9.5%Reduced
Morgan Stanley1,028,732$22.1M0.00%+306,508+42.4%Added
Norges Bank1,029,063$22.1M0.01%−60,414−5.5%Reduced
Lynrock Lake LP1,099,808$23.6M1.20%−1,242,689−53.0%Reduced
Bank of New York Mellon Corp1,118,601$24.0M0.01%−50,938−4.4%Reduced
Hood River Capital Management LLC1,185,012$25.5M1.01%+610,702+106.3%Added
D. E. Shaw & Co., Inc.1,298,006$27.9M0.05%+19,672+1.5%Added
Vaughan Nelson Investment Management, L.P.1,390,015$29.9M0.40%+702,125+102.1%Added
Russell Investments Group, Ltd.1,414,019$30.4M0.06%+895,409+172.7%Added
Northern Trust Corp1,583,120$34.0M0.01%+9,904+0.6%Added
Silvercrest Asset Management Group LLC1,779,806$38.2M0.29%−43,548−2.4%Reduced
Lord, Abbett & Co. LLC1,855,531$39.9M0.14%−105,999−5.4%Reduced
Geode Capital Management, LLC1,969,044$42.3M0.01%−7,086−0.4%Reduced
Wellington Management Group LLP2,389,507$51.4M0.01%+143,616+6.4%Added
Loomis Sayles & Co L P2,844,840$61.1M0.11%−223,928−7.3%Reduced
Westwood Holdings Group Inc.3,150,081$67.7M0.74%+629,797+25.0%Added
Dimensional Fund Advisors LP3,632,752$78.1M0.03%−86,104−2.3%Reduced
State Street Corp4,700,725$101.0M0.01%+68,614+1.5%Added
Neuberger Berman Group LLC5,068,466$109.1M0.11%+847,817+20.1%Added
Ameriprise Financial Inc5,279,096$113.4M0.04%+249,644+5.0%Added
Vanguard Group Inc12,272,499$263.7M0.01%+241,619+2.0%Added
BlackRock Inc.16,850,302$362.1M0.01%−349,166−2.0%Reduced
Driehaus Capital Management LLC0$00.00%−771,153−100.0%Sold out
AXA S.A.0$00.00%−191,600−100.0%Sold out
EAM Global Investors LLC0$00.00%−165,228−100.0%Sold out
Stephens Inc0$00.00%−125,642−100.0%Sold out
EAM Investors, LLC0$00.00%−119,154−100.0%Sold out
Affinity Wealth Management LLC0$00.00%−137,453−100.0%Sold out
Canada Pension Plan Investment Board0$00.00%−52,000−100.0%Sold out
Burney Co0$00.00%−47,908−100.0%Sold out
Raymond James Financial Services Advisors, Inc.0$00.00%−45,241−100.0%Sold out
Western Wealth Management, LLC0$00.00%−44,038−100.0%Sold out
Avantax Advisory Services, Inc.0$00.00%−34,727−100.0%Sold out
Ameritas Advisory Services, LLC0$00.00%−29,810−100.0%Sold out
PDT Partners, LLC0$00.00%−28,005−100.0%Sold out
Citadel Advisors LLC0$00.00%−27,756−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−26,821−100.0%Sold out
CIBC World Markets Inc.0$00.00%−18,016−100.0%Sold out
Hanseatic Management Services Inc0$00.00%−15,355−100.0%Sold out
Jane Street Group, LLC0$00.00%−13,767−100.0%Sold out
Jefferies Group LLC0$00.00%−11,000−100.0%Sold out
CenterBook Partners LP0$00.00%−10,564−100.0%Sold out
Sawtooth Solutions, LLC0$00.00%−9,855−100.0%Sold out
Wolverine Trading, LLC0$00.00%−9,329−100.0%Sold out
AdvisorShares Investments LLC0$00.00%−9,300−100.0%Sold out
Miracle Mile Advisors, LLC0$00.00%−9,301−100.0%Sold out
Raymond James & Associates0$00.00%−9,165−100.0%Sold out
Profund Advisors LLC0$00.00%−9,090−100.0%Sold out
Pictet Asset Management SA0$00.00%−8,104−100.0%Sold out
Meritage Portfolio Management0$00.00%−7,859−100.0%Sold out
First Citizens Bank & Trust Co0$00.00%−7,654−100.0%Sold out
Penserra Capital Management LLC0$00.00%−7,101−100.0%Sold out
Shelton Capital Management0$00.00%−6,889−100.0%Sold out
Formidable Asset Management, LLC0$00.00%−6,845−100.0%Sold out
Advisor Partners LLC0$00.00%−6,533−100.0%Sold out
Aaron Wealth Advisors0$00.00%−6,601−100.0%Sold out
Virtu Financial LLC0$00.00%−6,467−100.0%Sold out
Bollard Group LLC0$00.00%−3,760−100.0%Sold out
USA Financial Portformulas Corp0$00.00%−3,716−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−2,719−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−2,000−100.0%Sold out
Koshinski Asset Management, Inc.0$00.00%−1,140−100.0%Sold out
Catalyst Capital Advisors LLC0$00.00%−1,002−100.0%Sold out
Optiver Holding B.V.0$00.00%−887−100.0%Sold out
Riggs Asset Managment Co. Inc.0$00.00%−400−100.0%Sold out
Wolverine Asset Management LLC0$00.00%−363−100.0%Sold out
Tarbox Family Office, Inc.0$00.00%−142−100.0%Sold out
Manchester Capital Management LLC0$00.00%−61−100.0%Sold out
Cordant, Inc.0$00.00%−34−100.0%Sold out