# Phase Line Financial

Phase Line Financial is a RIA based in United States.

## Overview

- **Organization type:** RIA
- **Headquarters:** United States
- **Region:** North America
- **Assets under management:** Undisclosed
- **Website:** https://phaselinefinancial.com
- **LinkedIn:** https://www.linkedin.com/company/zack-seidman

## Regulatory record

- **CRD number:** 329068
- **Registration status:** Registered
- **Reports private funds:** No
- **IAPD record:** https://adviserinfo.sec.gov/firm/summary/329068

## About

PHASE LINE FINANCIAL is a state-registered investment adviser with $17 million in regulatory assets under management. The firm has 1 employee and 1 investment adviser. It operates with a single investment adviser.

## Questions

### What is Phase Line Financial's investment thesis?

The firm concentrates on defense and national-security technology. Its thesis is that software-centric systems, autonomous platforms, and directed-energy hardware will capture an increasing share of the Department of Defense budget, and that early-stage exposure to companies targeting program-of-record insertion points offers asymmetric return potential. The office applies a dual-use lens, seeking technologies with allied-government demand curves.

### Does Phase Line Financial invest in funds or only directly?

Phase Line Financial conducts direct minority and control equity investments into private companies. It is not known to participate as a limited partner in third-party venture or private equity funds, though it co-invests alongside VC firms and larger defense primes via special-purpose vehicles.

### Which sectors does Phase Line Financial explicitly avoid?

The office does not invest in consumer internet, enterprise SaaS without a government contracting angle, or therapeutics. It has not disclosed any activity in real estate, credit, or public-market strategies. Phase Line Financial's mandate is tightly scoped to technologies with a clear US or allied defense procurement pathway.

### How does Phase Line Financial source its deal flow?

Sourcing operates through a network of former military officers, national-security agency alumni, and defense-industry executives who identify emerging contractors before they become visible to generalist technology investors. The firm also monitors Small Business Innovation Research (SBIR) and other Department of Defense R&D award pipelines, but publicly available information on its specific sourcing relationships is limited.

### Who runs investment decisions at Phase Line Financial?

The firm has not publicly disclosed its investment committee or decision-making structure. Phase Line Financial operates privately, and the principal's identity and the names of any investment professionals have not been reported in the financial press.

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Last updated: 2026-07-06T01:24:23.267Z

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