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Rambus (RMBS) Institutional Ownership

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$101.04 -6.43 (-5.98%)
Closing price 10/12/2026 04:00 PM Eastern
Extended Trading
$99.55 -1.49 (-1.47%)
As of 08:32 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Rambus (NASDAQ:RMBS)

Current
Institutional Ownership
Percentage
88.54%
Number of
Institutional Buyers
(last 12 months)
359
Total
Institutional Inflows
(last 12 months)
$4.53B
Number of
Institutional Sellers
(last 12 months)
223
Total
Institutional Outflows
(last 12 months)
$1.40B
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RMBS Institutional Buying and Selling by Quarter

Rambus Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/13/2026NorthCrest Asset Manangement LLC36,053$3.91M0.1%N/A0.033%
10/10/2026Oak Grove Capital LLC4,800$512K0.0%-17.2%0.004%
10/9/2026GK Wealth Management LLC1,117$119K0.1%N/A0.001%
10/9/2026Balefire LLC2,420$258K0.0%-12.6%0.002%
10/9/2026GAMMA Investing LLC4,513$482K0.0%+9.0%0.004%
10/8/2026Farther Finance Advisors LLC4,954$529K0.0%-8.6%0.005%
10/6/2026Congress Asset Management Co.356,996$38.11M0.2%-54.1%0.329%
10/6/2026Moody National Bank Trust Division1,948$208K0.0%-9.3%0.002%
10/5/2026MassMutual Private Wealth & Trust FSB316$34K0.0%-33.3%0.000%
10/2/2026 Versant Capital Management Inc1,126$120K0.0%-9.4%0.001%
9/29/2026Cim Investment Management Inc.4,371$580K0.1%+7.3%0.004%
9/23/2026QRG Capital Management Inc.1,948$259K0.0%N/A0.002%
9/23/2026Envestnet Portfolio Solutions Inc.17,254$2.29M0.0%+4.0%0.016%
9/9/2026Sequoia Financial Advisors LLC7,542$1.00M0.0%-4.3%0.007%
9/9/2026Tidal Investments LLC180,833$24.00M0.0%+44.3%0.167%
9/9/2026One Capital Management LLC34,586$4.59M0.1%N/A0.032%
9/9/2026Engineers Gate Manager LP35,888$4.76M0.1%N/A0.033%
9/9/2026Integrated Wealth Concepts LLC1,902$252K0.0%N/A0.002%
9/9/2026NewEdge Advisors LLC564$75K0.0%-47.3%0.001%
9/9/2026Baird Financial Group Inc.25,473$3.38M0.0%+5.7%0.023%
9/8/2026Allworth Financial LP1,847$245K0.0%+8.8%0.002%
9/8/2026Arizona State Retirement System29,844$3.96M0.0%+0.9%0.028%
9/8/2026Nykredit A S320,040$42.48M0.1%N/A0.295%
8/27/2026Corient Private Wealth LP5,607$744K0.0%+29.9%0.005%
8/26/2026Amundi14,695$1.95M0.0%-10.3%0.014%
8/26/2026HighTower Advisors LLC132,484$17.59M0.0%-27.0%0.122%
8/25/2026VIRGINIA RETIREMENT SYSTEMS ET Al29,654$3.94M0.0%N/A0.027%
8/23/2026HB Wealth Management LLC2,498$332K0.0%N/A0.002%
8/22/2026AlphaGrep UK Ltd5,945$789K0.2%N/A0.005%
8/22/2026Raiffeisen Bank International AG37,000$4.58M0.1%-22.9%0.034%
8/21/2026Nykredit A S406,702$53.99M0.2%N/A0.375%
8/21/2026B. Metzler seel. Sohn & Co. AG22,274$2.96M0.0%+19.4%0.021%
8/21/2026Tsfg LLC5,316$706K0.1%+8.4%0.005%
8/21/2026Aubrey Capital Management Ltd24,300$3.22M2.0%N/A0.022%
8/20/2026Maple Rock Capital Partners Inc.342,600$45.48M0.9%N/A0.316%
8/20/2026Headlands Technologies LLC5,768$766K0.1%N/A0.005%
8/20/2026Susquehanna Fundamental Investments LLC14,638$1.94M0.0%N/A0.013%
8/20/2026Penn Capital Management Company LLC14,204$1.91M0.1%+14.8%0.013%
8/20/2026Greenwood Capital Associates LLC4,519$600K0.1%-19.3%0.004%
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC289,022$38.37M0.0%+20.1%0.266%
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8/19/2026Van ECK Associates Corp167,993$22.30M0.0%+15.7%0.155%
8/19/2026Nissay Asset Management Corp Japan37,649$5.00M0.0%+42.8%0.035%
8/19/2026Hsbc Holdings PLC48,013$6.11M0.0%+658.6%0.044%
8/19/2026Wellington Management Group LLP418,533$55.56M0.0%-51.1%0.386%
8/18/2026Beacon Pointe Advisors LLC1,624$216K0.0%N/A0.001%
8/18/2026Rakuten Investment Management Inc.13,968$1.73M0.0%N/A0.013%
8/18/2026Orion Capital Management LLC703$93K0.0%N/A0.001%
8/18/2026Empowered Funds LLC8,637$1.15M0.0%N/A0.008%
8/18/2026United Capital Financial Advisors LLC3,472$461K0.0%N/A0.003%
8/18/2026Equitable Holdings Inc.5,168$686K0.0%N/A0.005%
8/18/2026Centaurus Financial Inc.888$118K0.0%N/A0.001%
8/18/2026Jefferies Financial Group Inc.8,974$1.19M0.0%N/A0.008%
8/18/2026Public Employees Retirement System of Ohio32,798$4.35M0.0%N/A0.030%
8/18/2026PenderFund Capital Management Ltd.350$46K0.0%N/A0.000%
8/17/2026Corient Private Wealth LP5,646$749K0.0%N/A0.005%
8/17/2026Bank of America Corp DE1,218,726$161.77M0.0%N/A1.124%
8/15/2026Caisse de depot et placement du Quebec282,580$37.51M0.1%N/A0.261%
8/15/2026Man Group plc38,613$5.13M0.0%N/A0.036%
8/15/2026Jupiter Topco LLC288,553$38.30M0.0%N/A0.266%
8/14/2026Hsbc Holdings PLC48,013$6.11M0.0%N/A0.044%
8/14/2026EFG International AG45,149$5.99M0.1%N/A0.042%
8/14/2026Primecap Management Co. CA47,500$6.31M0.0%N/A0.044%
8/14/2026Canada Pension Plan Investment Board330,648$43.89M0.0%N/A0.305%
8/14/2026Castleark Management LLC5,610$745K0.0%N/A0.005%
8/14/2026Nicholas Investment Partners LP53,368$7.08M0.4%N/A0.049%
8/14/2026Legal & General Group Plc153,857$20.39M0.0%N/A0.142%
8/14/2026The Manufacturers Life Insurance Company797,195$105.82M0.1%N/A0.735%
8/14/2026Algert Global LLC33,257$4.42M0.1%-54.1%0.031%
8/13/2026Ranger Investment Management L.P.176,692$23.45M1.5%N/A0.163%
8/13/2026Sanctuary Advisors LLC6,567$872K0.0%N/A0.006%
8/13/2026Meiji Yasuda Asset Management Co Ltd.38,759$5.15M0.2%N/A0.036%
8/12/2026Elevation Point Wealth Partners LLC1,710$227K0.0%N/A0.002%
8/12/2026Northwestern Mutual Wealth Management Co.1,245$165K0.0%N/A0.001%
8/12/2026Evolve Private Wealth LLC7,310$970K0.1%N/A0.007%
8/12/2026Emerald Investment Advisers LLC26,848$3.56M0.2%N/A0.025%
8/12/2026William Blair Investment Management LLC200,116$26.56M0.1%N/A0.185%
8/12/2026Rakuten Securities Inc.544$72K0.0%N/A0.001%
8/12/2026Callan Family Office LLC3,239$430K0.0%N/A0.003%
8/12/2026Keebeck Wealth Management6,214$825K0.1%N/A0.006%
8/11/2026Allworth Financial LP1,847$245K0.0%N/A0.002%
8/11/2026B. Metzler seel. Sohn & Co. AG22,274$2.96M0.0%N/A0.021%
8/11/2026Vise Technologies Inc.6,912$917K0.0%N/A0.006%
8/11/2026E Fund Management Co. Ltd.11,596$1.54M0.0%N/A0.011%
8/10/2026Great Lakes Advisors LLC14,884$1.98M0.0%N/A0.014%
8/10/2026Danske Bank A S200$27K0.0%N/A0.000%
8/10/2026Diversify Advisory Services LLC29,957$2.89M0.0%N/A0.028%
8/8/2026Deepwater Asset Management LLC44,634$5.93M2.7%N/A0.041%
8/8/2026Meeder Advisory Services Inc.3,551$471K0.0%N/A0.003%
8/7/2026BlackRock Inc.13,964,477$1.85B0.0%N/A12.875%
8/7/2026Deutsche Bank AG23,567$3.13M0.0%N/A0.022%
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8/7/2026Rice Hall James & Associates LLC34,819$4.62M0.2%N/A0.032%
8/7/2026TimesSquare Capital Management LLC267,705$35.54M0.5%N/A0.247%
8/7/2026Mitsubishi UFJ Asset Management Co. Ltd.306$41K0.0%N/A0.000%
8/7/2026Persistent Asset Partners Ltd368$49K0.0%N/A0.000%
8/6/2026Global Retirement Partners LLC8,471$1.12M0.0%N/A0.008%
8/6/2026Bank of New York Mellon Corp828,233$109.94M0.0%N/A0.764%
8/6/2026Focus Partners Advisor Solutions LLC3,400$451K0.0%N/A0.003%
8/6/2026State of Wyoming13,749$1.83M0.2%N/A0.013%
8/6/2026Stoneridge Investment Partners LLC2,237$204K0.1%N/A0.002%
7/10/2026Handelsbanken Fonder AB150,857$20.03M0.1%+28.1%0.140%


RMBS Institutional Ownership - Frequently Asked Questions

During the previous two years, 579 institutional investors and hedge funds held shares of Rambus. The most heavily invested institutionals were BlackRock Inc. ($1.85B), Vanguard Group Inc. ($1.13B), Price T Rowe Associates Inc. MD ($494.88M), State Street Corp ($390.68M), Invesco Ltd. ($381.22M), Geode Capital Management LLC ($261.26M), and Alliancebernstein L.P. ($189.86M).Learn more on Rambus' institutional investors.

88.54% of Rambus' stock is owned by institutional investors. Learn more on RMBS's institutional investor holdings.

Of the 527 institutional investors that purchased Rambus' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($13.96M), Price T Rowe Associates Inc. MD ($7.88M), Norges Bank ($5.46M), Invesco Ltd. ($3.92M), EdgePoint Investment Group Inc. ($3.33M), Bank of America Corp DE ($2.48M), and Raymond James Financial Inc. ($2.38M).

Institutional investors have bought a total of 39,102,450 shares in the last 24 months. This purchase volume represents approximately $4.52B in transactions.

Of the 223 institutional investors that sold Rambus' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: EdgePoint Investment Group Inc. ($1.38M), Bank of New York Mellon Corp ($1.24M), JPMorgan Chase & Co. ($1.12M), Wellington Management Group LLP ($894.39K), T. Rowe Price Investment Management Inc. ($746.98K), Swedbank AB ($674K), and Westfield Capital Management Co. LP ($600.33K).

Institutional investors have sold a total of 14,334,548 shares in the last 24 months. This volume of shares sold represents approximately $1.40B in transactions.


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Institutional ownership data for NASDAQ:RMBS is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 10/13/2026. New 13F filings are added each quarter as they're published.
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