AltMountain

Tectonic Ventures Parallel III, L.P.

Newton, MA · CIK 2048544 · Managed by Tectonic Ventures Management, LLC

Tectonic Ventures Parallel III, L.P. is a venture capital fund based in Newton, Massachusetts. According to its most recent Form D, filed Aug 28, 2026, it has sold $85,621,000 of interests to 160 investors since its first sale in Dec 2024. The filing does not set a minimum investment. It relies on the Section 3(c)(1) exclusion, which limits it to 100 beneficial owners, typically accredited investors. The offering uses Rule 506(b), which does not permit general solicitation. Related persons named in the filing include Matthew Rhodes-Kropf; Tectonic Ventures GP III, LLC; Juan Leungli.

Total raised
$85,621,000Cumulative sales reported on Form D
Investors
160
First sale
Dec 10, 2024
Minimum investment
None set
Who can invest
Accredited investorsSection 3(c)(1): up to 100 beneficial owners
Offering exemption
Rule 506(b)No general advertising
Key people and entities
Matthew Rhodes-Kropf; Tectonic Ventures GP III, LLC; Juan Leungli
Latest Form D
Aug 28, 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 Tectonic Ventures Parallel III, L.P.

What is the minimum investment for Tectonic Ventures Parallel III, L.P.?

Tectonic Ventures Parallel III, L.P.'s latest Form D, filed Aug 28, 2026, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in Tectonic Ventures Parallel III, L.P.?

Tectonic Ventures Parallel III, L.P. is generally open only to accredited investors, and it may have no more than 100 beneficial owners because it relies on Section 3(c)(1). It uses Rule 506(b), which does not allow general advertising.

How much has Tectonic Ventures Parallel III, L.P. raised?

Tectonic Ventures Parallel III, L.P. reports $85,621,000 sold from 160 investors on its Form D filed Aug 28, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Tectonic Ventures Parallel III, L.P. based?

Tectonic Ventures Parallel III, L.P. is based in Newton, Massachusetts and is managed by Tectonic Ventures Management, LLC.

When did Tectonic Ventures Parallel III, L.P. launch?

Tectonic Ventures Parallel III, L.P. reports its first sale in Dec 2024.

Size compared with every venture capital fund

Raised more than 93% of the 540 venture capital funds based in Massachusetts, and more than 98% of all 15,160 that report sales.

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