AltMountain

Tmc-21, LLC

Hingham, MA · CIK 2151950
Emerging506(c)

Tmc-21, LLC is a private investment fund based in Hingham, Massachusetts. According to its most recent Form D, filed Aug 27, 2026, it has sold $11,677,097 of interests to 8 investors since its first sale in Jun 2026. The minimum investment it accepts from an outside investor is $25,000. It relies on the Section 3(c)(7) exclusion, so investors generally must be qualified purchasers. The offering uses Rule 506(c), which permits general advertising to investors verified as accredited. Based on its first sale date and the amount raised, AltMountain classifies it as an emerging manager. Related persons named in the filing include Toc-23 GP, LLC; Matthew Blind.

Total raised
$11,677,097Cumulative sales reported on Form D
Investors
8
First sale
Jun 1, 2026
Minimum investment
$25,000
Who can invest
Qualified purchasersSection 3(c)(7): generally $5M+ in investments
Offering exemption
Rule 506(c)May advertise; investors must be verified as accredited
Key people and entities
Toc-23 GP, LLC; Matthew Blind
Latest Form D
Aug 27, 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 Tmc-21, LLC

What is the minimum investment for Tmc-21, LLC?

According to its latest Form D, filed Aug 27, 2026, the minimum investment Tmc-21, LLC accepts from an outside investor is $25,000.

Who can invest in Tmc-21, LLC?

Tmc-21, 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(c), so it may advertise, but every investor must be verified as accredited.

How much has Tmc-21, LLC raised?

Tmc-21, LLC reports $11,677,097 sold from 8 investors on its Form D filed Aug 27, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Tmc-21, LLC based?

Tmc-21, LLC is based in Hingham, Massachusetts.

When did Tmc-21, LLC launch?

Tmc-21, LLC reports its first sale in Jun 2026, which makes it an emerging manager by AltMountain's definition (first sale in 2021 or later and under $50 million raised).

Size compared with every private investment fund

Raised more than 41% of the 540 private investment funds based in Massachusetts, and more than 43% of all 10,212 that report sales.

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