AltMountain

Sirius-Belden Square, LLC

White Plains, NY · CIK 2134239
Emerging

Sirius-Belden Square, LLC is a private investment fund based in White Plains, New York. According to its most recent Form D, filed Sep 28, 2026, it has sold $1,500,000 of interests to 18 investors since its first sale in May 2026. The minimum investment it accepts from an outside investor is $50,000. 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. Based on its first sale date and the amount raised, AltMountain classifies it as an emerging manager. Related persons named in the filing include Tracy Mehlman; Benjamin Preston-Fridman; Jesse Krasnow.

Total raised
$1,500,000Cumulative sales reported on Form D
Investors
18
First sale
May 26, 2026
Minimum investment
$50,000
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
Tracy Mehlman; Benjamin Preston-Fridman; Jesse Krasnow
Latest Form D
Sep 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 Sirius-Belden Square, LLC

What is the minimum investment for Sirius-Belden Square, LLC?

According to its latest Form D, filed Sep 28, 2026, the minimum investment Sirius-Belden Square, LLC accepts from an outside investor is $50,000.

Who can invest in Sirius-Belden Square, LLC?

Sirius-Belden Square, LLC 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 Sirius-Belden Square, LLC raised?

Sirius-Belden Square, LLC reports $1,500,000 sold from 18 investors on its Form D filed Sep 28, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Sirius-Belden Square, LLC based?

Sirius-Belden Square, LLC is based in White Plains, New York.

When did Sirius-Belden Square, LLC launch?

Sirius-Belden Square, LLC reports its first sale in May 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 31% of the 2,823 private investment funds based in New York, and more than 18% of all 10,266 that report sales.

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