Rambus stock (RMBS)
Rambus stock (RMBS) closed at $82.23 on Nov 13, 2026, down 10.5% year to date, for a market capitalization of $8.8B. Revenue of $796.1M over the last twelve months; in the latest quarter, revenue up 22.3% year on year, with a 78.3% gross margin and a 38.3% operating margin. Filed with the SEC, as of Sep 30, 2026.
- Last close
- $82.23 (2026-11-13)
- Year to date
- -10.5%
- 52-week range
- $68.19 – $174.10
- Market capitalization
- $8.8B
- Dividend yield
- None
- Revenue (TTM)
- $796.1M
- Revenue growth
- +22.3%
- Gross margin
- 78.3%
- Operating margin
- 38.3%
- Price / sales
- 11.1
- EV / revenue
- 10.9
- Figures as of
- 2026-09-30
- Named institutional holders
- 130
- Declared ownership
- 64.5% – 85.1%
- Exchange
- Nasdaq
- Headquarters
- San Jose, California
- Fiscal year ends
- December
- Industry (SEC)
- Semiconductors & Related Devices
- Registered with the SEC as
- RAMBUS INC (CIK 917273)
Who owns Rambus?
130 institutional holders named from SEC filings, together declaring between 64.5% and 85.1% of the shares outstanding, as of Sep 30, 2026. The largest named holders of Rambus stock are BlackRock (11.6%), Vanguard (11.3%), Fidelity (FMR) (6.7%), Invesco (5.5%) and State Street (4.0%). From Mar 31, 2026 to Jun 30, 2026, 125 managers opened a position, 182 added, 229 reduced and 65 sold out; the biggest sellers were T. Rowe Price and BlackRock, the biggest buyers Fidelity (FMR) and D. E. Shaw.
Rambus shareholders: institutions, insiders and funds
Rambus dividend
Rambus does not pay a dividend: none in its price history since Sep 22, 2021.
About Rambus
Rambus is a global semiconductor company providing industry-leading chips and silicon IP for data-intensive computing systems, focusing on data center and artificial intelligence (“AI”) infrastructure.
As a pioneer with over three decades of advanced semiconductor design experience, Rambus is at the forefront of enabling the next era of AI-driven computing, addressing the critical challenges of signal and power integrity at increasingly extreme data rates in the data center, edge and client markets. We are a leader in high-performance memory subsystems, offering a balanced and diverse portfolio of products, IP and patents that maximize performance and security in computationally intensive systems.
Rambus' own description, from its annual report (Form 10-K, filed Feb 18, 2026), Item 1. Business. Read the filing on sec.gov
Rambus is headquartered in San Jose, California. It is registered with the SEC as RAMBUS INC (CIK 917273); its fiscal year ends in December and its shares trade on the Nasdaq. Rambus is one of the artificial intelligence (AI) and semiconductor companies tracked on Silicon Floor, in the interconnect segment, with live prices, SEC filings, financial statements, institutional ownership and dividends.
Latest reported quarter
In its quarter ended Sep 30, 2026 (filed Oct 26, 2026), Rambus reported revenue of $218.3M, operating income of $83.7M and net income of $74.6M.
Latest SEC filings
- 8-K: Earnings released (2.02), Oct 26, 2026
- 8-K: Executive departure or appointment (5.02), Sep 4, 2026
- 8-K: Material agreement signed (1.01), Aug 5, 2026
- 8-K: Earnings released (2.02), Jul 27, 2026
More on Rambus
- Who owns Rambus
- Rambus relationships
- Rambus dividend
- Rambus financials
- Rambus technicals and short interest
Filed figures, quarter by quarter
- Rambus revenue by quarter, with the filing behind each
- Rambus gross profit by quarter, with the filing behind each
- Rambus operating income by quarter, with the filing behind each
- Rambus net income by quarter, with the filing behind each
