AltMountain

Gritstone SPAC Opportunities Fund LLC

Bethesda, MD · CIK 1782123 · Managed by Gritstone Asset Management LLC

Gritstone SPAC Opportunities Fund LLC is a hedge fund based in Bethesda, Maryland. According to its most recent Form D, filed Oct 7, 2025, the fund has sold $24,317,184 of interests to 24 investors since its first sale in Jul 2019. The minimum investment it accepts from an outside investor is $200,000. 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. Related persons named in the filing include Nicholas Skibo; Justin Cressall; Thomas McHale.

Performance

13F estimate · public data only

No verified returns have been reported for this fund. As a rough guide, Gritstone Asset Management LLC, which manages it, disclosed U.S. stock holdings that returned an estimated +0.8% 2026 YTD through Jun 30 (S&P 500: +9.5%), based only on its public 13F filings. Over a longer period, Q1 2025 to Q2 2026, the estimate is +11.4% (S&P 500: +27.4%).

This estimate covers the firm's whole disclosed long U.S. stock portfolio. It is not this fund's return and excludes dividends, fees, shorts, derivatives, bonds, cash and trading within each quarter.

Is this your fund? Report your monthly returns · How performance works

Total raised
$24,317,184Cumulative sales reported on Form D
Investors
24
First sale
Jul 2, 2019
Minimum investment
$200,000
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
Nicholas Skibo; Justin Cressall; Thomas McHale
Latest Form D
Oct 7, 2025

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. Private funds are speculative, illiquid and generally limited to accredited investors or qualified purchasers. Full disclosures · Request a correction

Questions about Gritstone SPAC Opportunities Fund LLC

What is the minimum investment for Gritstone SPAC Opportunities Fund LLC?

According to its latest Form D, filed Oct 7, 2025, the minimum investment Gritstone SPAC Opportunities Fund LLC accepts from an outside investor is $200,000.

Who can invest in Gritstone SPAC Opportunities Fund LLC?

Gritstone SPAC Opportunities Fund 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 Gritstone SPAC Opportunities Fund LLC raised?

Gritstone SPAC Opportunities Fund LLC reports $24,317,184 sold from 24 investors on its Form D filed Oct 7, 2025. This is cumulative sales since the offering began, not current assets or performance.

Where is Gritstone SPAC Opportunities Fund LLC based?

Gritstone SPAC Opportunities Fund LLC is based in Bethesda, Maryland and is managed by Gritstone Asset Management LLC.

When did Gritstone SPAC Opportunities Fund LLC launch?

Gritstone SPAC Opportunities Fund LLC reports its first sale in Jul 2019.

Size compared with every hedge fund

Raised more than 37% of the 62 hedge funds based in Maryland, and more than 33% of all 10,307 that report sales.

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