Tactyc by Carta
Purpose-built venture fund construction and forecasting
4.6Subscription / CustomBest for GPs modeling construction and reserves beyond Excel
Fund Modeling Portfolio Construction Reserves
Overview
Tactyc is the venture fund modeling platform Carta acquired in 2023, now the forecasting layer of Carta's fund software, used by hundreds of venture funds. It handles portfolio construction, reserve optimization and scenario planning — model ownership targets, graduation rates, recycling and follow-on strategy, then track actual TVPI/DPI against the plan as the fund deploys.
Key features
- Portfolio construction modeling (checks, ownership, pacing)
- Reserve planning and follow-on optimization
- Scenario and probabilistic forecasting
- Actual vs. plan tracking as deals close
- LP-ready outputs for fundraising decks
- Integration with Carta fund administration
Pros
- The de facto standard for venture portfolio construction
- Replaces fragile fund-model spreadsheets outright
- Forecast-vs-actuals view keeps reserves honest
Cons
- Subscription cost stings at nano-fund scale
- Deepest value comes when paired with Carta's stack