NASDAQ: RMBS
Rambus Inc Stock Ownership - Who owns Rambus?

Insider buying vs selling

Have Rambus Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Charles KissnerDirector2026-08-075,000$100.92
$504.60kSell
Necip SayinerDirector2026-06-035,000$170.15
$850.75kSell
Emiko HigashiDirector2026-06-025,000$163.00
$815.00kSell
Emiko HigashiDirector2026-06-025,000$158.00
$790.00kSell
Eric B. StangDirector2026-06-015,000$146.00
$730.00kSell
Xianzhi Sean FanEVP COO2026-05-2637,814$151.69
$5.74MSell
Xianzhi Sean FanEVP COO2026-05-26100$152.35
$15.24kSell
Emiko HigashiDirector2026-05-265,000$157.57
$787.85kSell
John ShinnSVP General Counsel2026-05-221,000$143.63
$143.63kSell
Necip SayinerDirector2026-05-089,824$130.18
$1.28MSell

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Net Insider Buy/Sell (L12M) Ownership

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RMBS Shareholders

What type of owners hold Rambus Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Geoffrey Tate2.46%2,672,456$265.46MInsider
Mike Farmwald2.21%2,394,849$237.88MInsider
Swedbank Ab1.52%1,646,500$163.55MInstitution
Ronald D. Black0.90%976,371$96.98MInsider
Mark Horowitz0.79%858,823$85.31MInsider
Congress Asset Management Co0.72%777,993$77.28MInstitution
David G. 1. Mooring0.70%760,622$75.55MInsider
Bruce Dunlevie0.64%697,153$69.25MInsider
William H. Davidow0.60%648,102$64.38MInsider
James A. Mitarotonda0.50%544,046$54.04MInsider

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RMBS vs Semiconductor Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
RMBS0.06%11.81%Net SellingNet Selling
SWKS0.09%1.20%Net Selling
FORM0.06%5.61%Net SellingNet Selling
SIMO0.01%0.84%Net SellingNet Selling
SMTC0.06%3.94%Net SellingNet Selling

Rambus Stock Ownership FAQ

Who owns Rambus?

Rambus (NASDAQ: RMBS) is owned by 0.06% institutional shareholders, 11.81% Rambus insiders, and 88.12% retail investors. Geoffrey Tate is the largest individual Rambus shareholder, owning 2.67M shares representing 2.46% of the company. Geoffrey Tate's Rambus shares are currently valued at $269.52M.

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