What is the latest disclosed vehicle or capital base?

Not published in the reviewed sources.

What remains unknown?

Investment acceptance rate is not published. latest fund size is not publicly disclosed. latest fund vintage is not publicly disclosed. check min is not publicly disclosed.

Underscore VC

Not publicly disclosed in the reviewed sources. · pre-seed, seed · US, Boston

Boston pre-seed and seed B2B software investor built around an operator community.

Tier 3seedboston

Visit / pitch Official site Open in the live directory

Key facts

Fund size	Current portfolio publishes founders, co-investors, community partners and acquisition outcomes.
Stage	pre-seed, seed
Typical first check	Not publicly disclosed in the reviewed sources.
Sectors	enterprise, saas, ai, data
Geography	US, Boston
Status	open

Always confirm on the official page before applying — dates and terms change.

Background

Boston pre-seed and seed B2B software investor built around an operator community. This pass separates published fund behavior from private mechanics and catalog assumptions.

How the application really works

Use the published organization email hello@underscore.vc; identify the relevant investing partner and mandate.

Tips

Show direct fit to pre-seed / seed and the published thesis.
Route to a named investor whose current remit matches the company.
State geography, round size, traction and why this firm is the right partner.

Watch out for

Outside the published stage, geography or sector mandate.
Treating a generic media or LP channel as a founder intake.
Assuming unpublished check, ownership or timing data.

Track record

Official portfolio marks acquisitions including Coda by Grammarly, BastionZero by Cloudflare and Zaius by Optimizely.

No comparable acceptance rate is published.

Investment thesis

B2B software, AI, fintech, supply chain, commerce and vertical SaaS.

How to reach them

Email: hello@underscore.vc
Use the published organization email hello@underscore.vc; identify the relevant investing partner and mandate.

Notable portfolio

CodaSalsifyCloudZeroHi Marley

Frequently asked questions

What stages does the fund target?: pre-seed, seed
Where does it invest?: US, Boston
What is the latest disclosed vehicle or capital base?: Not published in the reviewed sources.
What check size does it write?: Not publicly disclosed in the reviewed sources.
How can a founder approach the firm?: Use the published organization email hello@underscore.vc; identify the relevant investing partner and mandate.
What remains unknown?: Investment acceptance rate is not published. latest fund size is not publicly disclosed. latest fund vintage is not publicly disclosed. check min is not publicly disclosed.

Related venture funds

1517 FundNot publicly disclosed in the reviewed sources. · Global Founders Inc (f.inc) FundNot publicly disclosed in the reviewed sources. · Global Bloomberg BetaNot publicly disclosed in the reviewed sources. · Global Cowboy VenturesNot publicly disclosed in the reviewed sources. · Global FloodgateNot publicly disclosed in the reviewed sources. · Global True VenturesNot publicly disclosed in the reviewed sources. · Global

Sources

underscore.vc/portfolio — Official portfolio and track-record evidence. (checked 2026-08-10)
underscore.vc — Current official strategy, geography and activity. (checked 2026-08-10)
underscore.vc/team — Current official investing-team roster. (checked 2026-08-10)
underscore.vc/faqs — Official stage, investment behavior and founder-support evidence. (checked 2026-08-10)
underscore.vc/press-kit — Official public founder or organization contact route. (checked 2026-08-10)