AltMountain

Proteus Master Fund I, LLC

Indianapolis, IN · CIK 1605676

Proteus Master Fund I, LLC is a private investment fund based in Indianapolis, Indiana. According to its most recent Form D, filed May 20, 2026, it has sold $32,715,693 of interests to 7 investors since its first sale in Oct 2014. The filing does not set a minimum investment. It relies on the Section 3(c)(7) exclusion, so investors generally must be qualified purchasers. The offering uses Rule 506(b), which does not permit general solicitation. Related persons named in the filing include Ryan Laughon; Eric Knauss; Anya Janeway.

Total raised
$32,715,693Cumulative sales reported on Form D
Investors
7
First sale
Oct 27, 2014
Minimum investment
None set
Who can invest
Qualified purchasersSection 3(c)(7): generally $5M+ in investments
Offering exemption
Rule 506(b)No general advertising
Key people and entities
Ryan Laughon; Eric Knauss; Anya Janeway
Latest Form D
May 20, 2026

From SEC filings, not verified. This page republishes the fund's Form D as filed. It is not an offer, solicitation or recommendation, and AltMountain has not reviewed the fund. “Raised” is cumulative sales, not current assets or performance. Returns are not part of SEC filings. Private funds are speculative, illiquid and generally limited to accredited investors or qualified purchasers. Full disclosures · Request a correction

Questions about Proteus Master Fund I, LLC

What is the minimum investment for Proteus Master Fund I, LLC?

Proteus Master Fund I, LLC's latest Form D, filed May 20, 2026, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in Proteus Master Fund I, LLC?

Proteus Master Fund I, LLC is generally open only to qualified purchasers (generally individuals with at least $5 million in investments), because it relies on Section 3(c)(7). It uses Rule 506(b), which does not allow general advertising.

How much has Proteus Master Fund I, LLC raised?

Proteus Master Fund I, LLC reports $32,715,693 sold from 7 investors on its Form D filed May 20, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Proteus Master Fund I, LLC based?

Proteus Master Fund I, LLC is based in Indianapolis, Indiana.

When did Proteus Master Fund I, LLC launch?

Proteus Master Fund I, LLC reports its first sale in Oct 2014.

Size compared with every private investment fund

Raised more than 76% of the 70 private investment funds based in Indiana, and more than 57% of all 10,287 that report sales.

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