Rambus Inc. is an American technology company that designs, develops and licenses chip interface technologies and architectures that are used in digital electronics products. The company, founded in 1990, is well known for inventing RDRAM and for its intellectual property-based litigation following the introduction of DDR-SDRAM memory.
| trading_symbol | registrant_name | time | price | change | percentage_change |
|---|---|---|---|---|---|
| RMBS | RAMBUS INC | 2026-06-01 15:42:29 | 146.88 | 1.35 | 0.93 |
| trading_symbol | central_index_key | registrant_name | isin_number | lei_number | ein_number | exchange | sic_code | sic_description | fiscal_year_end | state_of_incorporation | address_street | address_city | address_state | address_zip_code | address_country | address_country_code | phone_number | mailing_address | business_address | former_name | industry | founding_date | chief_executive_officer | number_of_employees | website | market_cap | shares_issued | shares_outstanding | description | update_time |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RMBS | 0000917273 | RAMBUS INC | US7509171069 | 2549000211GDCQSLV833 | 943112828 | Nasdaq | 3674 | Semiconductors & Related Devices | 1231 | DE | 4453 NORTH FIRST STREET, SUITE 100 | SAN JOSE | CA | 95134 | UNITED STATES | US | 408-462-8000 | 4453 NORTH FIRST STREET, SUITE 100, SAN JOSE, CA, 95134 | 4453 NORTH FIRST STREET, SUITE 100, SAN JOSE, CA, 95134 | — | Semiconductors | 1990 | Luc Seraphin | 623 | https://rambus.com/ | 5,200,000,000 | 108,136,967 | 108,136,967 | Rambus Inc. is an American technology company that designs, develops and licenses chip interface technologies and architectures that are used in digital electronics products. The company, founded in 1990, is well known for inventing RDRAM and for its intellectual property-based litigation following the introduction of DDR-SDRAM memory. | 2026-05-28 15:45:20 |
| Fiscal Year | Market Cap | Change In Market Cap | Percentage Change In Market Cap | Shares Outstanding | Change In Shares Outstanding | Percentage Change In Shares Outstanding |
|---|---|---|---|---|---|---|
| 2025 | 5,200,000,000 | 500,000,000 | 10.6383 | 107,790,732 | 934,379 | 0.8744 |
| 2024 | 4,700,000,000 | -300,000,000 | -6 | 106,856,353 | -1,031,250 | -0.9559 |
| 2023 | 5,000,000,000 | 3,300,000,000 | 194.1176 | 107,887,603 | 36,440 | 0.0338 |
| Fiscal Year | Employee Count |
|---|---|
| 2025 | 791 |
| 2024 | 712 |
| 2023 | 623 |
| Fiscal Year | 2025 | 2024 | 2023 |
|---|---|---|---|
| Revenue | 707,630,000 | 556,624,000 | 461,117,000 |
| Cost Of Revenue | 144,415,000 | 110,107,000 | 103,422,000 |
| Gross Profit | 563,215,000 | 446,517,000 | 357,695,000 |
| Research And Development Expenses | 187,708,000 | 162,881,000 | 156,827,000 |
| General And Administrative Expenses | 115,289,000 | 104,094,000 | 108,149,000 |
| Operating Expenses | 302,997,000 | 263,508,000 | 204,056,000 |
| Operating Income | 260,218,000 | 183,009,000 | 153,639,000 |
| Net Income | 230,455,000 | 179,821,000 | 333,904,000 |
| Earnings Per Share Basic | 2.14 | 1.67 | 3.09 |
| Earnings Per Share Diluted | 2.11 | 1.65 | 3.01 |
| Weighted Average Shares Outstanding Basic | 107,548,000 | 107,438,000 | 108,183,000 |
| Weighted Average Shares Outstanding Diluted | 109,235,000 | 109,041,000 | 110,889,000 |
| Fiscal Year | 2025 | 2024 | 2023 |
|---|---|---|---|
| Cash And Cash Equivalents | 182,822,000 | 99,774,000 | 94,767,000 |
| Marketable Securities Current | 579,005,000 | 382,023,000 | 331,077,000 |
| Accounts Receivable | 137,476,000 | 122,813,000 | 82,925,000 |
| Inventories | 44,098,000 | 44,634,000 | 36,154,000 |
| Non Trade Receivables | 3,282,000 | 109,947,000 | 88,768,000 |
| Other Assets Current | 20,202,000 | 15,942,000 | 34,850,000 |
| Total Assets Current | 988,816,000 | 690,257,000 | 630,645,000 |
| Marketable Securities Non Current | — | — | — |
| Property Plant And Equipment | 113,051,000 | 75,509,000 | 67,808,000 |
| Other Assets Non Current | 4,759,000 | 5,632,000 | 1,613,000 |
| Total Assets Non Current | 540,729,000 | 652,879,000 | 627,582,000 |
| Total Assets | 1,529,545,000 | 1,343,136,000 | 1,258,227,000 |
| Accounts Payable | 35,915,000 | 18,522,000 | 18,074,000 |
| Deferred Revenue | 29,980,000 | 19,903,000 | 17,393,000 |
| Short Term Debt | — | — | — |
| Other Liabilities Current | — | 1,264,000 | 5,099,000 |
| Total Liabilities Current | 120,574,000 | 81,812,000 | 89,121,000 |
| Long Term Debt | — | — | — |
| Other Liabilities Non Current | 3,574,000 | 6,715,000 | 21,341,000 |
| Total Liabilities Non Current | 44,546,000 | 140,632,000 | 131,005,000 |
| Total Liabilities | 165,120,000 | 222,444,000 | 220,126,000 |
| Common Stock | 108,000 | 107,000 | 108,000 |
| Retained Earnings | 76,795,000 | -153,660,000 | -285,534,000 |
| Accumulated Other Comprehensive Income | -124,000 | -1,260,000 | -1,269,000 |
| Total Shareholders Equity | 1,364,425,000 | 1,120,692,000 | 1,038,101,000 |
| Fiscal Year | 2025 | 2024 | 2023 |
|---|---|---|---|
| Depreciation And Amortization | 11,916,000 | 10,076,000 | 37,700,000 |
| Share Based Compensation Expense | 54,267,000 | 44,880,000 | 45,011,000 |
| Other Non Cash Income Expense | — | — | — |
| Change In Accounts Receivable | 14,653,000 | 39,835,000 | 28,931,000 |
| Change In Inventories | -536,000 | 8,480,000 | 15,254,000 |
| Change In Non Trade Receivables | 12,280,000 | 21,179,000 | 87,704,000 |
| Change In Other Assets | 3,992,000 | 5,500,000 | -2,763,000 |
| Change In Accounts Payable | 11,397,000 | 580,000 | -5,768,000 |
| Change In Other Liabilities | 6,548,000 | 571,000 | 41,000 |
| Cash From Operating Activities | 360,019,000 | 230,599,000 | 195,786,000 |
| Purchases Of Marketable Securities | 666,294,000 | 415,374,000 | 434,155,000 |
| Sales Of Marketable Securities | 0 | 85,722,000 | 117,798,000 |
| Acquisition Of Property Plant And Equipment | 26,842,000 | 30,697,000 | 23,240,000 |
| Acquisition Of Business | — | 0 | 0 |
| Other Investing Activities | — | — | — |
| Cash From Investing Activities | -223,110,000 | -56,724,000 | -57,396,000 |
| Tax Withholding For Share Based Compensation | 41,870,000 | 41,340,000 | 38,328,000 |
| Payments Of Dividends | — | — | — |
| Issuance Of Common Stock | -35,011,000 | -35,875,000 | -29,378,000 |
| Repurchase Of Common Stock | 7,114,000 | 113,312,000 | 100,525,000 |
| Issuance Of Long Term Debt | — | — | — |
| Repayment Of Long Term Debt | — | — | — |
| Other Financing Activities | — | — | — |
| Cash From Financing Activities | -54,414,000 | -167,987,000 | -169,623,000 |
| Change In Cash | 83,051,000 | 5,008,000 | -30,927,000 |
| Cash At End Of Period | 182,822,000 | 99,774,000 | 94,767,000 |
| Income Taxes Paid | 24,992,000 | 27,132,000 | 25,932,000 |
| Interest Paid | 0 | 0 | 73,000 |
| Fiscal Year | 2025 | 2024 | 2023 |
|---|---|---|---|
| Earnings Per Share | 2.14 | 1.67 | 3.09 |
| Price To Earnings Ratio | 42.9393 | 31.6527 | 22.0874 |
| Earnings Growth Rate | 28.1437 | -45.9547 | -2,476.9231 |
| Price Earnings To Growth Ratio | 1.5257 | -0.6888 | -0.0089 |
| Book Value Per Share | 12.6867 | 10.4311 | 9.5958 |
| Price To Book Ratio | 7.243 | 5.0676 | 7.1125 |
| Ebitda | 268,736,000 | 218,445,000 | 399,026,000 |
| Enterprise Value | — | — | — |
| Dividend Yield | — | — | — |
| Dividend Payout Ratio | — | — | — |
| Debt To Equity Ratio | — | — | — |
| Capital Expenditures | 49,458,000 | 17,777,000 | 19,253,000 |
| Free Cash Flow | 310,561,000 | 212,822,000 | 176,533,000 |
| Return On Equity | 0.1689 | 0.1605 | 0.3216 |
| One Year Beta | 2.257 | 2.8129 | 1.7447 |
| Three Year Beta | 2.2516 | 1.5809 | 1.3111 |
| Five Year Beta | 1.7114 | 1.3575 | 1.2495 |
| Insider Name | Relationship To Issuer | Transaction Date | Amount Of Securities | Acquired Or Disposed | Securities Owned Following Transaction |
|---|---|---|---|---|---|
| FAN XIANZHI SEAN | EVP, COO | 2026-05-26 | 37,814 | D | 168,458 |
| FAN XIANZHI SEAN | EVP, COO | 2026-05-26 | 100 | D | 168,358 |
| Higashi Emiko | Director | 2026-05-26 | 5,000 | D | 59,519 |
| Shinn John | SVP, General Counsel | 2026-05-22 | 1,000 | D | 21,112 |
| Sayiner Necip | Director | 2026-05-08 | 9,824 | D | 23,223 |
| Name Of Reporting Person | Type Of Reporting Person | Report Date | Transaction Type | Transaction Date | Owner Type | Amount |
|---|---|---|---|---|---|---|
| Thomas R Carper | Senator | 2023-09-05 | Sale (Full) | 2023-08-10 | Spouse | $1,001 - $15,000 |
| Investor Name | Period Of Report | Market Value | Amount Of Securities | Price Per Security |
|---|---|---|---|---|
| GLENMEDE TRUST CO NA | 2026-03-31 | 13,690,039 | 159,131 | 86.03 |
| SEGALL BRYANT & HAMILL, LLC | 2026-03-31 | 13,545,424 | 157,450 | 86.03 |
| ARGENT CAPITAL MANAGEMENT LLC | 2026-03-31 | 860,386 | 10,001 | 86.03 |
| Western Wealth Management, LLC | 2026-03-31 | 43,789 | 509 | 86.0295 |
| Silicon Valley Capital Partners | 2026-03-31 | 860 | 10 | 86 |
| Registrant Name | Period Of Report | Fund Name | Fund Symbol | Amount Of Units | Value In Usd | Percentage Value Compared To Assets |
|---|---|---|---|---|---|---|
| EA Series Trust | 2026-03-31 | Strive 1000 Growth ETF | STXG | 310 | 26,669.3 | 0.02 |
| EA Series Trust | 2026-03-31 | Strive U.S. Semiconductor ETF | SHOC | 4,351 | 374,316.53 | 0.24 |
| WisdomTree Trust | 2026-03-31 | WisdomTree U.S. MidCap Quality Growth Fund | QMID | 196 | 16,861.88 | 0.8298 |
| WisdomTree Trust | 2026-03-31 | WisdomTree U.S. MidCap Fund | EZM | 11,493 | 988,742.79 | 0.1192 |
| RYDEX SERIES FUNDS | 2026-03-31 | Class C | RYSCX | 13,292 | 1,143,510.76 | 0.709 |