Clearstone Venture Partners
Venture capitalSanta Monica · Pre-Seed–Series A · 7 people tracked
Also known as Cedarstone Advisors · CLEARSTONE VENTURE MANAGEMENT SERVICES, L.L.C
Investment thesis
Clearstone positions itself as an early-stage lead investor backing founders and teams building technology companies. Its focus areas include fintech and payments, enterprise technologies, and data-driven marketplaces. The firm has enabled large US institutions to participate as early investors in emerging innovations, and points to a track record of $650 million invested over three funds, resulting in 9 IPOs and nearly a dozen M&A exits.
Source: firm website, verified Aug 25, 2026.
Team · 7 people
from curated & public directories
What they invest in
from 1 of 1 portfolio companiesAdTech ×1Marketing Tech ×1Media & Entertainment ×1
Investments · 1 tracked
founders shown can be your intro pathMagnite is an independent sell-side advertising platform that connects media owners and buyers across formats including streaming, online video, display, and audio.
AdTechMarketing TechMedia & Entertainment
Co-investorsAdvance Venture PartnersBlumberg CapitalMayfield Fund
Fund performance · per public LP disclosures
as of Jun 2025| Fund | Vintage | Committed | Net IRR | TVPI | DPI |
|---|---|---|---|---|---|
| Clearstone Venture Partners III-A, L.PLPs: California State Teachers' Retirement System, The Regents of the University of California | 2004 | — | 8.2% | 2.79x | 2.07x |
Source: public limited-partner disclosures (CalPERS, CalSTRS). Net IRR / TVPI / DPI as reported by the limited partner; a fund's early-year IRR is an interim estimate (J-curve).
Frequently asked questions
- What stage does Clearstone Venture Partners invest at?
- Clearstone Venture Partners invests at the Pre-Seed, Seed, Series A stages.
- What sectors does Clearstone Venture Partners focus on?
- Clearstone Venture Partners focuses on Data & Infrastructure, Enterprise Software, Fintech, Marketplaces.
- Where is Clearstone Venture Partners located?
- Clearstone Venture Partners is headquartered in Santa Monica, US.
- Does Clearstone Venture Partners lead rounds?
- Yes, Clearstone Venture Partners leads investment rounds.
Media · Podcasts & interviews
featuring the team- Startups - William Quigley, Clearstone Venture Partners
This Week in Startups · William Quigley
Co-investors · 17
Sequoia Capital is a venture capital firm that partners with founders to build technology companies.
Founders Fund is a venture capital firm that backs technology companies building transformative products.
Benchmark is a venture capital firm with offices in San Francisco and Woodside that invests in early-stage startups.
Bling Capital is a seed-stage venture firm that backs entrepreneurs seeking to find and scale product-market fit, supported by its Bling Product Council of over 100 product leaders.
Bonfire Ventures is a seed-stage venture capital firm that backs founders reinventing how business operates, leading seed rounds in AI-native B2B software.
Hack VC is a venture capital firm investing in early-stage crypto, blockchain infrastructure, decentralized finance, and AI companies.
BAM Ventures is an early-stage investment firm made up of experienced entrepreneurs based in Southern California, backing founders building consumer-focused technologies, products, and services that transform commerce.
March Capital is an early-growth venture capital firm investing in frontier technology companies focused on the AI revolution, partnering with founders to build category-defining businesses.
Tribeca Venture Partners is a New York-based venture capital firm that backs early-stage founders using emerging technologies to build category-defining companies.
Crosscut is an early-stage venture capital firm based in Los Angeles that backs founders building frontier technologies aimed at solving major societal challenges.
Silverton Partners is an early-stage venture capital firm based in Texas that partners with founders long-term, having backed 75+ portfolio companies with 30+ acquisitions and 4 IPOs.
Miramar Digital Ventures is a seed and early-stage venture firm backing founders leveraging smart connected sensors, big data, and intelligent machines to drive disruption.
▶5 more co-investors
Act One VenturesThe Perkins FundMorpheus VenturesTriangle Peak PartnersUnicorn India Ventures
Firms observed investing alongside Clearstone Venture Partners, from public investor directories. Shared companies are the overlap with Clearstone Venture Partners's recorded portfolio.
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