SiFive, Inc.
RISC-V processor cores and chip design platforms
New patent ·
- Sector
- Semiconductors
- Headquarters
- SAN MATEO, CA
- Founded
- 2015
- Latest Form D
- $25.4M, Nov 2018
- Total capital
- $68.3M
- Federal grants
- None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
- Private capital raised
- $68.3M
- 4 Form D · last Nov 2018
- 95 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 25
- 15 pending · first 2026
- Rank in peer group#3 of 27
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 4th filing$25.4M
- Private capital raisedForm D · SEC · 3rd filing$29.3M
- Private capital raisedForm D · SEC · 2nd filing$5.1M
- Private capital raisedForm D · SEC · 1st filing$8.5M
Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.
Standing among 27 peers
Line = medianSemiconductors · Software
- Granted patents#3 · top 11%
Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.
Founders and team
From SEC Form D filings- Kirk A BowmanDirectorNamed in SEC Form D filings
- Krste AsanovicDirectorNamed in SEC Form D filings
- Naveed A SherwaniExecutive OfficerNamed in SEC Form D filings
- Shiva A NatarajanExecutive OfficerNamed in SEC Form D filings
- Stefan A DyckerhoffDirectorNamed in SEC Form D filings
- Todd A DagresDirectorNamed in SEC Form D filings
Show all 7 people
- Yunsup LeeExecutive Officer, DirectorNamed in SEC Form D filings
What it has protected
USPTO · 25 granted of 40- New patentPrefetcher With Out-of-order Filtered Prefetcher Training QueueUSPTOUS 12,762,060
- New patentIntegrated Circuit Generator Using A ProviderUSPTOUS 12,762,314
- New patentSecure Control Flow PredictionUSPTOUS 12,754,997
Show all 40 patent records
- Prefetcher With Out-of-order Filtered Prefetcher Training QueueOct 13, 2026 · US 12,762,060Granted
- Integrated Circuit Generator Using A ProviderOct 13, 2026 · US 12,762,314Granted
- Secure Control Flow PredictionOct 6, 2026 · US 12,754,997Granted
- Canceling Prefetch Of Cache Blocks Based On An Address And A Bit FieldSep 29, 2026 · US 12,748,591Granted
- Predicting A Vector Length Associated With A Configuration InstructionSep 17, 2026 · Application 19672409Pending
- Concurrent Support For Multiple Cache Inclusivity Schemes Using Low Priority Evict OperationsSep 15, 2026 · US 12,737,302Granted
- Selectable And Hierarchical Power ManagementSep 15, 2026 · US 12,737,023Granted
- Flexible Power Management InterfaceAug 27, 2026 · Application 19644767Pending
- Systems and Methods for Power Gating Chip ComponentsAug 27, 2026 · Application 18577335Pending
- Prefetcher with Multi-Cache Level Prefetches and Feedback ArchitectureAug 27, 2026 · Application 18577363Pending
- Processor Power Management Using Instruction ThrottlingAug 18, 2026 · US 12,710,984Granted
- Page Table Entry Caches With Multiple Tag LengthsAug 18, 2026 · US 12,711,076Granted
- Downgrading A Permission Associated With Data Stored In A CacheAug 18, 2026 · US 12,711,078Granted
- Measuring Performance Associated with Processing Instructions Based on Counters for Different EventsJul 14, 2026 · US 12,681,730Granted
- Cycle Accurate Tracing Of Vector InstructionsJul 7, 2026 · US 12,675,367Granted
- Predicting a Vector Length Associated with a Configuration InstructionJun 23, 2026 · US 12,663,992Granted
- Supporting Multiple Vector Lengths with Configurable Vector Register FileJun 23, 2026 · US 12,663,994Granted
- Address Boundary Functions For Physical And Localized AddressesJun 23, 2026 · US 12,664,098Granted
- Selecting an Output as a System Output Responsive to an Indication of an ErrorJun 9, 2026 · US 12,650,465Granted
- Store-to-load Forwarding For Processor PipelinesJun 4, 2026 · Application 19455615Pending
- Making Circuitry Having An AttributeMay 19, 2026 · US 12,632,631Granted
- Prefetcher With Improved Stability And Noise ReductionMay 14, 2026 · Application 19042703Pending
- Prefetcher With Improved Stability And Noise ReductionMay 14, 2026 · Application 18946582Pending
- Processor Crash Analysis Using Register SamplingMay 12, 2026 · US 12,625,756Granted
- Flexible Power Management InterfaceMay 12, 2026 · US 12,625,833Granted
- Technologies For Preventing Fault Exception ProbingMay 7, 2026 · Application 18938085Pending
- Atomic Memory Operations For Address TranslationApr 14, 2026 · US 12,602,329Granted
- Integrated Circuit Generation With Improved InterconnectMar 31, 2026 · US 12,591,527Granted
- Integrated Circuit Design With On-demand Enabled LayerMar 26, 2026 · Application 18895258Pending
- Semi-static Error Bank Architecture In Integrated CircuitsMar 12, 2026 · Application 18883554Pending
- Macro-op Fusion For Pipelined ArchitecturesMar 12, 2026 · Application 19383289Pending
- Technologies For Prediction-based Register RenamingMar 5, 2026 · Application 19340386Pending
- Prefetching Cache Blocks Based on an Address for a Group and a Bit FieldMar 3, 2026 · US 12,566,606Granted
- Matrix Multiply EngineFeb 26, 2026 · Application 19042659Pending
- Matrix Multiply EngineFeb 26, 2026 · Application 18814386Pending
- Virtualized CachesFeb 24, 2026 · US 12,561,246Granted
- Store-to-load Forwarding For Processor PipelinesFeb 17, 2026 · US 12,554,650Granted
- Dependency Tracking And Chaining For Vector InstructionsFeb 17, 2026 · US 12,554,504Granted
- Vector Instruction Processing After Primary DecodeJan 20, 2026 · US 12,530,197Granted
- Data Storage In Non-inclusive CacheJan 15, 2026 · Application 19327669Pending
Related companies, and why
- Fugue, Inc.Similar federal contract value in Semiconductors · null in contracts
- Meter, Inc.Similar federal contract value in Semiconductors · null in contracts
- D2S, Inc.Similar federal contract value in Semiconductors · null in contracts
- Barefoot Networks, Inc.Similar federal contract value in Semiconductors · null in contracts
- Bridgelux IncSimilar federal contract value in Semiconductors · null in contracts
- Applied Digital Corp.Similar federal contract value in Semiconductors · null in contracts
Sources
Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.
How to read this page
Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.
Data freshness
SEC Form D filings through . SBIR and STTR awards through .