Greymatter Capital

Greymatter Braintrust LLC

Exempt reporting adviser

Emerging manager

Greymatter Capital reports 7 venture funds on Form ADV among 7 private funds, with $26M in gross private fund assets.

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Venture funds7of 7 private funds

Private fund assets$26MGross, Form ADV, September 2026

Funds on Form D2$30M reported raised

LPs on the record2Foundations and public plans

Reported raised, by the year each fund began raising

The numbers

Began raising	Raised
2022	$25M
2026	$5M

Funds on Form D

Venture funds whose Form D filings carry this adviser’s name, matched by name. Amounts are what each fund last reported to the SEC.

Fund	Began raising	Target	Raised	Investors	Latest filing
GreyMatter Fund II, LP	2026	Not stated	$5M	1	March 3, 2026
GreyMatter Fund I, LP	2022	Not stated	$25M	59	January 27, 2025

LPs on the record

2 private foundations list on their latest IRS Form 990-PF Greymatter Capital’s funds.

Gary Philanthropy Private foundation · 1 fund
Room to Breathe Project Private foundation · 1 fund

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Registration

Legal name: Greymatter Braintrust LLC
Status: Exempt reporting adviser since March 31, 2026
CRD number: 331229

Full Form ADV on the SEC’s Investment Adviser Public Disclosure site

About this data

Registered and exempt reporting advisers that report managing at least one venture capital fund on Form ADV, with the number of private funds and their gross assets as each adviser reports them. Advisers whose business name reads as an individual's are left out. From the roster published for September 2026. Source. Benchmarks for funds like these are in Raise benchmarks.