RAMBUS INC (RMBS) Institutional Ownership Changes & 13F Activity

RAMBUS INC (RMBS). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Invesco Ltd., Edgepoint Investment Group Inc., D. E. Shaw & Co., Inc., Manufacturers Life Insurance Company, The, and Susquehanna International Group, Llp.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Gibbs Wealth ManagementSell-7,468-41.0%10,766$1.43MQ2 2026Oct 21, 2026
Cim Investment Management IncBuy+299+7.3%4,371$580.21KQ2 2026Sep 29, 2026
Envestnet Asset Management IncSell-23,366-25.8%67,308$8.93MQ2 2026Sep 23, 2026
Qrg Capital Management, Inc.Buy+1,948—1,948$258.58KQ2 2026Sep 23, 2026
Envestnet Portfolio Solutions, Inc.Buy+664+4.0%17,254$2.29MQ2 2026Sep 23, 2026
State Street CorpSell-458,504-10.5%3,915,113$519.50MQ2 2026Sep 22, 2026
Manufacturers Life Insurance Company, TheBuy+694,792+678.5%797,195$105.82MQ2 2026Sep 09, 2026
Integrated Wealth Concepts LlcBuy+1,902—1,902$252.46KQ2 2026Sep 09, 2026
Parkside Financial Bank & TrustSell-42-30.0%98$13.01KQ2 2026Sep 04, 2026
Citadel Advisors LlcBuy+383,656+2325.9%400,151$53.12MQ2 2026Sep 02, 2026
Allianz Asset Management GmbhBuy+165,773+186.0%254,879$33.83MQ2 2026Sep 02, 2026
Cornerstone Financial Management LlcBuy+4+19.0%25$3.32KQ2 2026Aug 28, 2026
Corient Private Wealth LlcBuy+1,289+29.9%5,607$744.21KQ2 2026Aug 27, 2026
California State Teachers Retirement SystemBuy+1,226+1.0%125,421$16.65MQ2 2026Aug 24, 2026
Assenagon Asset Management S.A.Sell-15,635-32.9%31,896$4.23MQ2 2026Aug 21, 2026
Harvest Fund Management Co., LtdSell-34-26.4%95$13.00KQ2 2026Aug 20, 2026
Mercer Global Advisors IncBuy+18,580+175.5%29,165$3.87MQ2 2026Aug 19, 2026
Beacon Pointe Advisors, LlcSell-4,607-73.9%1,624$215.57KQ2 2026Aug 18, 2026
Rakuten Investment Management, Inc.Buy+3,341+31.4%13,968$1.73MQ2 2026Aug 18, 2026
Public Employees Retirement System Of OhioBuy+30,613+1401.1%32,798$4.35MQ2 2026Aug 17, 2026
Equitable Holdings, Inc.Sell-14,395-73.6%5,168$686.00KQ2 2026Aug 17, 2026
Jefferies Financial Group Inc.Buy+8,974—8,974$1.19MQ2 2026Aug 17, 2026
Centaurus Financial, Inc.Buy+888—888$118.00KQ2 2026Aug 17, 2026
Empowered Funds, LlcBuy+194+2.3%8,637$1.15MQ2 2026Aug 17, 2026
United Capital Financial Advisors, LlcBuy+109+3.2%3,472$460.87KQ2 2026Aug 17, 2026
Penderfund Capital Management Ltd.Sell-50-12.5%350$46.46KQ2 2026Aug 17, 2026
Invesco Ltd.Buy+6,632,458—6,632,458$880.39MQ2 2026Aug 14, 2026
Edgepoint Investment Group Inc.Sell-861,529-44.2%1,086,213$144.18MQ2 2026Aug 14, 2026
D. E. Shaw & Co., Inc.Buy+726,896+5676.7%739,701$98.19MQ2 2026Aug 14, 2026
Susquehanna International Group, LlpBuy+470,111+547.8%555,935$73.79MQ2 2026Aug 14, 2026
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Frequently asked questions about RMBS activity

  • Which institutional owners are buying RMBS?

    Institutional owners buying RMBS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in RMBS activity?

    "Buy" means an investor increased their reported position in RMBS compared to the prior reporting period. This reflects growing exposure to RAMBUS INC (RMBS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in RMBS increasing?

    Institutional interest in RMBS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.