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Rambus (RMBS) Institutional Ownership

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$84.40 -2.29 (-2.64%)
Closing price 09/1/2026 04:00 PM Eastern
Extended Trading
$83.08 -1.33 (-1.57%)
As of 07:11 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)
357
Total
Institutional Inflows
(last 12 months)
$6.67B
Number of
Institutional Sellers
(last 12 months)
219
Total
Institutional Outflows
(last 12 months)
$1.48B
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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
8/27/2026 Corient Private Wealth LP5,607$744K0.0%+29.9%0.005%
8/26/2026 Amundi14,695$1.95M0.0%-10.3%0.014%
8/26/2026 HighTower Advisors LLC132,484$17.59M0.0%-27.0%0.122%
8/25/2026 VIRGINIA RETIREMENT SYSTEMS ET Al29,654$3.94M0.0%N/A0.027%
8/24/2026 California State Teachers Retirement System16,648,384$2.21B0.0%+13,305.0%15.350%
8/23/2026 HB Wealth Management LLC2,498$332K0.0%N/A0.002%
8/22/2026 AlphaGrep UK Ltd5,945$789K0.2%N/A0.005%
8/22/2026 Raiffeisen Bank International AG37,000$4.58M0.1%-22.9%0.034%
8/21/2026 Nykredit A S406,702$53.99M0.2%N/A0.375%
8/21/2026 B. Metzler seel. Sohn & Co. AG22,274$2.96M0.0%+19.4%0.021%
8/21/2026 Tsfg LLC5,316$706K0.1%+8.4%0.005%
8/21/2026 Aubrey Capital Management Ltd24,300$3.22M2.0%N/A0.022%
8/20/2026 Maple Rock Capital Partners Inc.342,600$45.48M0.9%N/A0.316%
8/20/2026 Headlands Technologies LLC5,768$766K0.1%N/A0.005%
8/20/2026 Susquehanna Fundamental Investments LLC14,638$1.94M0.0%N/A0.013%
8/20/2026 Penn Capital Management Company LLC14,204$1.91M0.1%+14.8%0.013%
8/20/2026 Greenwood Capital Associates LLC4,519$600K0.1%-19.3%0.004%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC289,022$38.37M0.0%+20.1%0.266%
8/19/2026 Van ECK Associates Corp167,993$22.30M0.0%+15.7%0.155%
8/19/2026 Nissay Asset Management Corp Japan37,649$5.00M0.0%+42.8%0.035%
8/19/2026 Hsbc Holdings PLC48,013$6.11M0.0%+658.6%0.044%
8/19/2026 Wellington Management Group LLP418,533$55.56M0.0%-51.1%0.386%
8/18/2026 Beacon Pointe Advisors LLC1,624$216K0.0%N/A0.001%
8/18/2026 Rakuten Investment Management Inc.13,968$1.73M0.0%N/A0.013%
8/18/2026 Orion Capital Management LLC703$93K0.0%N/A0.001%
8/18/2026 Empowered Funds LLC8,637$1.15M0.0%N/A0.008%
8/18/2026 United Capital Financial Advisors LLC3,472$461K0.0%N/A0.003%
8/18/2026 Equitable Holdings Inc.5,168$686K0.0%N/A0.005%
8/18/2026 Centaurus Financial Inc.888$118K0.0%N/A0.001%
8/18/2026Jefferies Financial Group Inc.8,974$1.19M0.0%N/A0.008%
8/18/2026 Public Employees Retirement System of Ohio32,798$4.35M0.0%N/A0.030%
8/18/2026 PenderFund Capital Management Ltd.350$46K0.0%N/A0.000%
8/17/2026 Corient Private Wealth LP5,646$749K0.0%N/A0.005%
8/17/2026 Bank of America Corp DE1,218,726$161.77M0.0%N/A1.124%
8/15/2026 Caisse de depot et placement du Quebec282,580$37.51M0.1%N/A0.261%
8/15/2026 Man Group plc38,613$5.13M0.0%N/A0.036%
8/15/2026 Jupiter Topco LLC288,553$38.30M0.0%N/A0.266%
8/14/2026 Hsbc Holdings PLC48,013$6.11M0.0%N/A0.044%
8/14/2026 EFG International AG45,149$5.99M0.1%N/A0.042%
8/14/2026 Primecap Management Co. CA47,500$6.31M0.0%N/A0.044%
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8/14/2026 Canada Pension Plan Investment Board330,648$43.89M0.0%N/A0.305%
8/14/2026 Castleark Management LLC5,610$745K0.0%N/A0.005%
8/14/2026 Nicholas Investment Partners LP53,368$7.08M0.4%N/A0.049%
8/14/2026 Legal & General Group Plc153,857$20.39M0.0%N/A0.142%
8/14/2026 The Manufacturers Life Insurance Company797,195$105.82M0.1%N/A0.735%
8/14/2026 Algert Global LLC33,257$4.42M0.1%-54.1%0.031%
8/13/2026 Ranger Investment Management L.P.176,692$23.45M1.5%N/A0.163%
8/13/2026 Sanctuary Advisors LLC6,567$872K0.0%N/A0.006%
8/13/2026 Meiji Yasuda Asset Management Co Ltd.38,759$5.15M0.2%N/A0.036%
8/12/2026 Elevation Point Wealth Partners LLC1,710$227K0.0%N/A0.002%
8/12/2026 Northwestern Mutual Wealth Management Co.1,245$165K0.0%N/A0.001%
8/12/2026 Evolve Private Wealth LLC7,310$970K0.1%N/A0.007%
8/12/2026 Emerald Investment Advisers LLC26,848$3.56M0.2%N/A0.025%
8/12/2026 William Blair Investment Management LLC200,116$26.56M0.1%N/A0.185%
8/12/2026 Rakuten Securities Inc.544$72K0.0%N/A0.001%
8/12/2026 Callan Family Office LLC3,239$430K0.0%N/A0.003%
8/12/2026 Keebeck Wealth Management6,214$825K0.1%N/A0.006%
8/11/2026 Allworth Financial LP1,847$245K0.0%N/A0.002%
8/11/2026 B. Metzler seel. Sohn & Co. AG22,274$2.96M0.0%N/A0.021%
8/11/2026 Vise Technologies Inc.6,912$917K0.0%N/A0.006%
8/11/2026 E Fund Management Co. Ltd.11,596$1.54M0.0%N/A0.011%
8/10/2026 Great Lakes Advisors LLC14,884$1.98M0.0%N/A0.014%
8/10/2026 Danske Bank A S200$27K0.0%N/A0.000%
8/10/2026 Diversify Advisory Services LLC29,957$2.89M0.0%N/A0.028%
8/8/2026 Deepwater Asset Management LLC44,634$5.93M2.7%N/A0.041%
8/8/2026 Meeder Advisory Services Inc.3,551$471K0.0%N/A0.003%
8/7/2026 BlackRock Inc.13,964,477$1.85B0.0%N/A12.875%
8/7/2026 Deutsche Bank AG23,567$3.13M0.0%N/A0.022%
8/7/2026 Rice Hall James & Associates LLC34,819$4.62M0.2%N/A0.032%
8/7/2026 TimesSquare Capital Management LLC267,705$35.54M0.5%N/A0.247%
8/7/2026 Mitsubishi UFJ Asset Management Co. Ltd.306$41K0.0%N/A0.000%
8/7/2026 Persistent Asset Partners Ltd368$49K0.0%N/A0.000%
8/6/2026 Global Retirement Partners LLC8,471$1.12M0.0%N/A0.008%
8/6/2026 Bank of New York Mellon Corp828,233$109.94M0.0%N/A0.764%
8/6/2026 Focus Partners Advisor Solutions LLC3,400$451K0.0%N/A0.003%
8/6/2026 State of Wyoming13,749$1.83M0.2%N/A0.013%
8/6/2026 Stoneridge Investment Partners LLC2,237$204K0.1%N/A0.002%
7/10/2026 Handelsbanken Fonder AB150,857$20.03M0.1%+28.1%0.140%
7/10/2026 Redhawk Wealth Advisors Inc.9,237$1.23M0.1%N/A0.009%
7/9/2026 Everhart Financial Group Inc.2,200$292K0.0%-9.4%0.002%
7/9/2026 Hennion & Walsh Asset Management Inc.24,150$3.21M0.1%-6.1%0.022%
7/8/2026 Assenagon Asset Management S.A.31,896$4.23M0.0%-32.9%0.029%
7/7/2026 Balefire LLC2,768$367K0.1%-5.6%0.003%
7/7/2026 GAMMA Investing LLC4,139$549K0.0%-14.2%0.004%
7/7/2026 Harbor Investment Advisory LLC1,019$135K0.0%N/A0.001%
7/7/2026 Moody National Bank Trust Division2,148$285K0.0%-86.7%0.002%
7/7/2026 CoreCap Advisors LLC400$53K0.0%N/A0.000%
7/2/2026 KERR FINANCIAL PLANNING Corp5,850$777K0.9%-3.3%0.005%
6/18/2026 Pacer Advisors Inc.37,001$3.18M0.0%+80.9%0.034%
6/16/2026 Empowered Funds LLC8,443$726K0.0%-8.0%0.008%
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6/3/2026 Parallel Advisors LLC2,252$194K0.0%-10.0%0.002%
6/3/2026 NewEdge Advisors LLC1,070$92K0.0%-45.3%0.001%
6/2/2026 Optiver Holding B.V.480$41K0.0%-15.0%0.000%
5/26/2026 Glenmede Trust Co. NA159,131$13.69M0.1%-7.8%0.147%
5/22/2026 Segall Bryant & Hamill LLC157,450$13.55M0.2%+45.2%0.146%
5/21/2026 Argent Capital Management LLC10,001$860K0.0%+56.2%0.009%
5/19/2026 Western Wealth Management LLC509$44K0.0%N/A0.000%
5/19/2026Cim Investment Management Inc.4,072$350K0.1%N/A0.004%
5/19/2026 Bank of America Corp DE1,361,570$117.14M0.0%+9.0%1.259%
5/19/2026Janus Henderson Group PLC358,892$30.88M0.0%-5.4%0.332%


RMBS Institutional Ownership - Frequently Asked Questions

During the previous two years, 574 institutional investors and hedge funds held shares of Rambus. The most heavily invested institutionals were California State Teachers Retirement System ($2.21B), 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), and Geode Capital Management LLC ($261.26M).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 521 institutional investors that purchased Rambus' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: California State Teachers Retirement System ($16.55M), 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), and Bank of America Corp DE ($2.48M).

Institutional investors have bought a total of 55,281,747 shares in the last 24 months. This purchase volume represents approximately $6.67B in transactions.

Of the 219 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), Assenagon Asset Management S.A. ($850.84K), T. Rowe Price Investment Management Inc. ($746.98K), and Swedbank AB ($674K).

Institutional investors have sold a total of 15,129,946 shares in the last 24 months. This volume of shares sold represents approximately $1.48B 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 8/27/2026. New 13F filings are added each quarter as they're published.
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