Fundraising Fox
Sinai Capital Partners
Venture capitalPre-Seed–Seed · 2 people tracked
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Investment thesis
Sinai Partners is an early-stage venture fund focused on backing builders and innovators developing transformative deep technologies. The firm invests in areas expected to shape the coming decades, including robotics, quantum technology, compute architecture, energy, internet-of-things, and biotech. Positioning itself as run by experienced technologists and operators, it aims to help founders navigate the challenges of bringing ideas to market. The firm emphasizes a global network of collaborative relationships with academics, accelerators, and domain experts, providing founders access to expertise while they concentrate on technical innovation. Its stated approach favors extraordinary, frontier ideas over the status quo.
Source: firm website, verified Aug 7, 2026.
Team · 2 people
from the firm's websiteWhat they invest in
from 22 of 23 portfolio companiesSaaS ×7AI & Machine Learning ×5Enterprise Software ×5Fintech ×4Healthtech ×4B2B Marketplaces ×3Consumer ×3Data & Infrastructure ×3
HQs:United States×15Canada×1India×1
Who they back
founder profiles across 17 portfolio companiesFounding team size:solo founder×52 founders×63 founders×54+ founders×1
Where their founders studiedfrom 25 founders with education data
Massachusetts Institute of Technology ×3Columbia University ×2Cornell ×2Indian Institute of Technology Kanpur ×2Wesleyan University ×2Yale University ×2
What their founders studiedfrom 27 founders with field-of-study data
Computer Science ×7Engineering ×5Business & Management ×4Economics ×3Finance & Accounting ×2
Where their founders worked beforefrom 25 founders with career history
Founders Fund ×2General Assembly ×2Goldman Sachs ×2Prehype ×2
Accelerator rootsportfolio companies that came through a program
1 founders hold a PhD · 2 hold an MBA (of 28 with degree data)
Investments · 23 tracked
founders shown can be your intro path
Compass is a real estate brokerage that uses technology to help consumers find homes.
B2B MarketplacesEnterprise SoftwareMarketplacesPropTechSaaSManhattan, US
Robert Reffkin(Founder)inOri Allon(Founder)Brad Serwin(Executive Officer)Kalani Reelitz(Executive Officer)Ethan Glass(Executive Officer)inScott Wahlers(Executive Officer)
Co-investors.406 VenturesAdvance Venture PartnersAlpaca VCAlumni VenturesAtomicoCLI Ventures+12 more
Pinterest operates a visual discovery platform where users save and browse images organised into boards, used heavily for shopping, recipes and design.
San Francisco, US
Evan Sharp(Founder)Ben Silbermann(Founder)inPaul Sciarra(Founder)Mike Yang(Executive Officer)Natalie Fair(Executive Officer)inBill Ready(Chief Executive Officer)in
Co-investors3Spoke CapitalA.Capital VenturesA*Acequia Capital (AceCap)Allied Venture PartnersAmakor+64 more
Anduril builds autonomous systems and software for defense and military applications, including attack aviation, unmanned aircraft, and underwater vehicles, unified by an autonomy platform.
AI & Machine LearningDefense TechHardwareRobotics
Palmer Luckey(Founder)inBrian Schimpf(Founder)inTrae Stephens(Founder)inJoe Chen(Founder)Joseph Chen(Founder)inMatt Grimm(Founder)
Co-investors137 Ventures1435 Capital1Flourish Capital8VCAliya Capital PartnersAltra Venture+103 more
C16 Biosciences produces high-value lipid ingredients using fermentation of naturally occurring microorganisms for manufacturers of beauty, personal care, home care, and food products.
BiotechCleantechClimate TechConsumerHealthtechNew MaterialsNew York City, US
Shara Ticku(Founder)inDavid Heller(Founder)inHarry McNamara(Founder)in
BoardAndrew Shumaker(He resigned as a Director effective November 20, 2018.)
Co-investorsBreakthrough Energy VenturesDCVC (Data Collective)Dorm RoomE12 Venture Capital, LlcEvolution VC PartnersG Ventures+20 more
Carta is a cloud-based ERP platform for private capital markets that manages cap tables, equity administration, fund management, and valuations for startups, private companies, and venture funds globally.
Enterprise SoftwareFintechSaaSSan Francisco, US
Henry Ward(Founder)inManu Kumar(Founder)inCharly Kevers(Chief Financial Officer)inJeff Perry(Chief Revenue Officer)inNick Avery(Chief People Officer)inNicole Baer(Chief Marketing Officer)in
Co-investors4DX VenturesA*Adventure FundAlign VenturesAlumni VenturesAmity Ventures+68 more
Dutchie operates an online marketplace connecting consumers with cannabis dispensaries across North America, offering real-time menus, order-ahead pickup, and delivery.
E-commerceMarketplacesRetail Tech
Zach Lipson(Founder)inRoss Lipson(Founder)Ross Lipson Zach Lipson(Founder)
Co-investorsCasa Verde CapitalGlynn Capital ManagementLevel One FundTidemarkVine VenturesDragoneer Investment Group+6 more
Esusu is an economic mobility platform that helps working families build credit and strengthen financial stability through rent payment reporting.
EnergyFintechImpact & Social GoodPropTechNew York, US
Robert C. Henning(Executive Officer)in
BoardSamir Goel(Founder)inWemimo Abbey(Founder)in
Co-investorsAcumen AmericaImpact America FundMotley Fool VenturesNext Play VenturesOpen Opportunity FundPredictive VC+11 more
Front is a support and sales platform that combines messaging, internal collaboration, and AI automation to handle customer requests and sales workflows.
AI & Machine LearningEnterprise SoftwareFuture of WorkSaaSSales TechSan Francisco, US
Mathilde Collin(Founder)inLaurent Perrin(Founder)in
Co-investors515 VenturesBattery VenturesCoatue ManagementFundersClubHypothesisInitialized Capital+27 more
Ghost is an AI-native wholesale distribution platform that connects brands with retailers, letting brands list surplus and wholesale inventory with controls over pricing, channels, and geography while buyers source products from vetted suppliers.
AI & Machine LearningB2B MarketplacesRetail Tech
Co-investorsCoalition OperatorsEniac VenturesEqual VenturesFJ LabsFour Acres CapitalShrug Capital
Hippo is an online insurance marketplace that helps customers find and compare home insurance policies, auto insurance, and flood coverage from top-rated carriers through a streamlined quoting process.
B2B MarketplacesInsurTech
Assaf Wand(Founder)Assaf Wand Eyal Navon(Founder)Eyal Navon(Founder)
Co-investorsAbstract VenturesBetter Tomorrow VenturesBond Capital ManagementFelicis VenturesICONIQiGlobe Partners+11 more
HR TechSeattle, US
Todd H.(Founder)inSara Itucas(Director)Joseph Davy(Director)Alexander Ross(Director)inTodd Heine(Executive Officer, Director)
Co-investorsAmplo VenturesCommunity Access FundOne Way VenturesSwell PartnersTechstarsStaenberg Venture Partners+1 more
MANTL provides omnichannel deposit origination technology that enables banks and credit unions to open consumer and commercial accounts both in-person and online.
Enterprise SoftwareFintechSaaSNew York City, US
Benjamin Conant(Founder)inNathaniel Harley(Founder)Raj Patel(Founder)in
Co-investorsBoxGroupCapitalGClocktower VenturesGreat Oaks Venture CapitalPoint72 VenturesSocial Starts+2 more
OKCredit provides digital bookkeeping and collections management software for small retailers and traders, enabling invoice tracking, customer credit management, and payment reminders via SMS and WhatsApp.
FintechRetail TechSaaSBengaluru, IN
Gaurav Kumar(Founder)inHarsh Pokharna(Founder)inAditya Prasad(Founder)inGaurav Kunwar(Founder)in
Co-investorsLightspeed India PartnersLightspeed Venture PartnersVentureSouqY CombinatorDST GlobalMorningside Group+3 more
Piñata Farms is a mobile meme-making app for iPhone and Android that lets users turn trending videos or images into memes by adding faces, text, and stickers.
ConsumerCreator EconomySocial
Co-investorsIndex VenturesPathbreaker VenturesBanana CapitalFounders Fund
Players' Lounge is a wagering platform where gamers play money matches, tournaments, and challenges against others for cash prizes.
ConsumerCreator EconomyGamingMarketplacesSports TechNew York City, US
Zach Dixon(Founder)inAustin Woolridge(Founder)inDan Delaney(Founder)in
BoardPierre Planche(Director)in
Co-investorsAlleyCorpCanaan PartnersComcast VenturesCourtside VenturesDorm RoomEvolution VC Partners+21 more
Rebellyous develops plant-based chicken nuggets and proprietary manufacturing systems designed to enable efficient, clean food production with improved working conditions.
Advanced ManufacturingClimate TechFoodTechHealthtechImpact & Social GoodSeattle, US
Christie Lagally(Founder)in
Co-investorsAgronomicsBlue Horizon CorporationClear Current CapitalE8 AngelsFifty YearsG Ventures+21 more
Ro is an online healthcare platform that connects patients with licensed providers and delivers prescription treatments, including GLP-1 medications for weight loss, ED treatments, and other health goals.
Digital HealthDirect to ConsumerHealthtechSilicon Valley, US
Zachariah Reitano(Founder)inRob Schutz(Founder)inSaman Rahmanian(Founder)in
Co-investorsAmbush CapitalAnsa CapitalBlack Jays Venturesblue 9 capitalBoxGroupBY Venture Partners+31 more
ScienceIO offers an AI platform for interpreting healthcare data, including a product that converts unstructured medical text into structured data via an API and maps it to millions of medical concepts.
AI & Machine LearningData & InfrastructureDigital HealthHealthtech
Will Manidis(Founder, CEO)Gaurav Kaushik(Founder, President)
Co-investorsEarl Grey CapitalSwell PartnersToba CapitalAlt CapitalLachy GroomQuiet Capital+11 more
Skyrise offers a data and advertising platform that combines location and time-based insights with AI to help marketers design, activate, and measure programmatic campaigns across channels.
AdTechData & InfrastructureMarketing Tech
SkyWatch provides an API and platform for accessing, managing, and distributing geospatial and satellite data to commercial users.
Data & InfrastructureSaaSSpace TechWaterloo, CA
James Slifierz(Co-Founder and CEO)inDexter Jagula(Co-Founder and Head of Government Relations)in
Co-investorsBullpen CapitalDrive CapitalGolden VenturesInnovative Solutions CanadaSpace CapitalAngel Round Capital+1 more
The page shows only navigation elements (Locations, Membership, Offerings, WELLInformed) and a search bar for services, classes, and articles, with no descriptive content about the company's business.
Wellness & Fitness
Sarrah Hallock(Founder)inRebecca P.(Founder)in
Co-investorsDreamers VCNew Enterprise Associates (NEA)DGNL Ventures
Unqork provides a low-code/no-code platform that helps enterprises in financial services, insurance, and healthcare build and manage complex software systems with governance, security, and transparency.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSNew York, US
Gary Hoberman(Founder & CEO)inAlex Schmelkin(Executive Officer)inBassam Chaptini(Executive Officer)inDavid Sullivan(Executive Officer)in
Co-investorsBlue CollectiveCapitalGEQUIAMFin CapitalG SquaredMarch Capital Partners+9 more
Varda industrializes low Earth orbit by manufacturing pharmaceuticals and other specialized products in space, then returning them to Earth via reusable reentry capsules.
BiotechDeep TechSpace TechEl Segundo, US
Will Bruey(Founder)inDelian Asparouhov(Founder)inDaniel Marshall(Founder)
Co-investorsAlso CapitalCaffeinated CapitalFounders FundGeneral CatalystKhosla VenturesLux Capital+36 more
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Exits · 4
3 IPOs · 1 acquisitions · showing 2Portfolio news
latest coverage across their companies
Anduril · geekwire.com · Jul 24, 2026
Esusu · finsmes.com · Dec 16, 2025
Piñata Farms · prnewswire.com · Aug 12, 2025
Hippo Home Insurance · prnewswire.com · May 7, 2025
Frequently asked questions
- How many investments has Sinai Capital Partners made?
- Sinai Capital Partners has 23 tracked investments, 4 of which have exited.
- What stage does Sinai Capital Partners invest at?
- Sinai Capital Partners invests at the Pre-Seed, Seed stages.
- What sectors does Sinai Capital Partners focus on?
- Sinai Capital Partners focuses on Biotech, Deep Tech, Energy, Hardware, IoT, Media & Entertainment, Quantum Computing, Robotics, SaaS, Semiconductors.
- Does Sinai Capital Partners lead rounds?
- Sinai Capital Partners typically participates in rounds rather than leading them.
- Who does Sinai Capital Partners co-invest with?
- Sinai Capital Partners most often shares deals with Vine Ventures, Y Combinator, Dorm Room, among 188 tracked co-investors.
Images
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