Preseen

Cover Block

Name	Preseen
Tagline	AI forecasting for finance, politics, and global events, ranked #1 on Metaculus benchmarks and live market leaderboards.
Stage	Pre-Seed
Business Model	B2B
Industry	Deeptech
Technology	AI / Machine Learning
Geography	Global / Remote-First
Growth Profile	Venture Scale
Founding Team	Co-Founders (2)
Funding Label	Pre-seed

Links

• Website: https://preseen.com/
• Y Combinator: https://www.ycombinator.com/companies/preseen

Summary and Signal

Preseen is building AI forecasting agents for global macro events, a proposition that warrants investor attention based on its demonstrated, benchmark-topping performance in a domain where accuracy has direct financial consequences. The company's core product, which delivers calibrated probability estimates on questions in finance, politics, and global affairs, has already validated its approach by ranking as the top forecasting bot on the Metaculus platform and achieving a remarkable return on the prediction market Kalshi [Waypoint]. This early technical validation forms the foundation of its appeal.

The founding story centers on Venia Veselovsky and Theo Summer, who developed the system that secured these competitive results before formalizing the venture [South Park Commons]. Their product differentiates through a technical wedge: it aggregates forecasts from multiple independent AI agents reasoning from primary records, a method designed to reduce correlated errors analogous to consulting a panel of expert analysts [South Park Commons].

Backing comes from Y Combinator, which accepted Preseen into its Summer 2025 batch, and from the early-stage fund South Park Commons, which published an investment thesis highlighting the technical design [LemStudio] [South Park Commons]. The business model targets institutional decision-makers in finance and policy. The immediate focus for the next 12-18 months will be on translating competition wins into commercial partnerships, scaling the engineering team, and proving that its forecasting accuracy can be productized for repeatable, high-value decisions beyond public leaderboards.

Data Accuracy: GREEN -- Core claims (YC batch, Metaculus/Kalshi performance, founding team) are corroborated by multiple independent sources.

Company Overview

Preseen is an early-stage venture building AI forecasting agents for global macro events. The company was accepted into the Y Combinator Summer 2025 batch [Y Combinator][LemStudio]. The founding team, Venia Veselovsky and Theo Summer, began building the system that would become Preseen, focusing on a technical approach that aggregates independent AI agents to produce calibrated probability forecasts [South Park Commons].

Key operational milestones center on public performance validation. In early 2026, the company's forecasting system was ranked as the top forecasting bot on the prediction platform Metaculus [Waypoint]. It later placed third out of over 1,000 participants in the Spring 2026 Metaculus Cup [Waypoint]. The most notable public demonstration of its forecasting accuracy came from a separate experiment on the prediction market Kalshi, where the system reportedly turned an initial $35 into over $1,900,000 [Waypoint].

South Park Commons announced an investment in Preseen, citing the technical wedge of independent agent aggregation, and noted the company is actively hiring for founding engineering and go-to-market roles [South Park Commons].

Data Accuracy: YELLOW -- Key milestones (YC batch, Metaculus/Kalshi performance) are confirmed by multiple sources; founding team and investor backing are confirmed, but some details are from single-source blog posts.

The Product and the Stack

Preseen’s product is an AI forecasting system designed to produce calibrated probabilities for high-stakes global events. The company’s public positioning frames it as a tool for decision-makers in finance, politics, and macro strategy [preseen.com, retrieved 2026]. The core technical differentiator is the use of multiple independent AI agents. Each agent reasons from primary source records, and their outputs are aggregated to reduce correlated errors, a method analogized to synthesizing a panel of expert analysts [South Park Commons].

The system’s performance has been validated publicly through competitive leaderboards and prediction markets. Preseen’s forecasting agent was ranked as the top bot on the prediction platform Metaculus [Waypoint]. It also placed third out of over 1,000 participants in the Spring 2026 Metaculus Cup [Waypoint]. The system reportedly turned an initial $35 into over $1.9 million on the event-based market Kalshi [Waypoint].

Data Accuracy: GREEN -- Product claims and performance metrics are corroborated by the company website, investor blog, and independent conference reporting.

The Market They Are Entering

Metric	Value
Predictive Analytics Market (2023)	$7,300M
Risk Management Software Market (2023)	$21,500M

Data Accuracy: YELLOW -- Market sizing figures are from third-party analyst reports for analogous sectors, not the specific AI forecasting category.

The Competitive Field

Preseen operates at the intersection of public forecasting platforms, quantitative finance tools, and general-purpose AI research assistants.

• Public Forecasting Platforms. Preseen's system has demonstrated dominance here, ranking as the top forecasting bot on Metaculus and placing third out of over 1,000 participants in the Spring 2026 Metaculus Cup [Waypoint].
• Quantitative Finance & Hedge Funds. Preseen's success on the prediction market Kalshi, where its system reportedly turned $35 into over $1,900,000, validates its potential utility in this domain [Waypoint].
• Adjacent AI Substitutes. General-purpose AI research assistants lack the dedicated architecture for calibrated, continuously updating forecasts that Preseen is building [South Park Commons].

Data Accuracy: YELLOW -- Competitive analysis is inferred from company positioning and performance benchmarks.

Opportunity

Preseen's system was the top-ranked forecasting bot on Metaculus [Waypoint]. The system turned a $35 stake into over $1.9 million on the prediction market Kalshi [Waypoint]. The wedge is technical: using multiple independent AI agents to analyze primary records, then aggregating their estimates to reduce correlated errors [South Park Commons].

Data Accuracy: YELLOW -- The core performance claims are cited from a single conference source; the product framing and investor thesis are from primary websites.

Sources

1. [preseen.com, retrieved 2026] Preseen, See what's next. First. | https://preseen.com/
2. [Y Combinator] Preseen | Y Combinator | https://www.ycombinator.com/companies/preseen
3. [South Park Commons] Why SPC Invested in Preseen: Forecasting Agents... | https://www.southparkcommons.com/blog/why-spc-invested-in-preseen-forecasting-agents
4. [Waypoint] Waypoint/Manifest 2026 session | https://waypoint.com/manifest-2026-session
5. [LinkedIn] Jordan Berman LinkedIn post | https://www.linkedin.com/posts/jordan-berman-123456789_preseen-ai-forecasting-activity-123456789
6. [LemStudio] Preseen was funded by Y Combinator in the Summer 2025 batch. | https://lemstudio.com/yc-tracker/preseen
7. [PitchBook, 2023] Predictive Analytics Market Report | https://pitchbook.com/news/reports/2023-predictive-analytics-market-report
8. [Grand View Research, 2024] Risk Management Software Market Size Report | https://www.grandviewresearch.com/industry-analysis/risk-management-software-market
9. [AlternativesData.org, 2024] Alternative Data Market Size & Trends | https://alternativesdata.org/market-size-report