AltMountain

Sourcerock Offshore Fund Ltd

Denver, CO · CIK 1935604 · Managed by Sourcerock Group LLC

Sourcerock Offshore Fund Ltd is a hedge fund based in Denver, Colorado. According to its most recent Form D, filed Aug 12, 2026, the fund has sold $412,529,925 of interests to 90 investors since its first sale in Oct 2021. The minimum investment it accepts from an outside investor is $1,000,000. 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 Andrew Haley; Sourcerock Group LLC; Tammy Jennissen.

Performance

13F estimate · public data only

No verified returns have been reported for this fund. As a rough guide, Sourcerock Group LLC, which manages it, disclosed U.S. stock holdings that returned an estimated +17.0% 2026 YTD through Jun 30 (S&P 500: +9.5%), based only on its public 13F filings. Over a longer period, Q3 2024 to Q2 2026, the estimate is +12.4% (S&P 500: +37.2%).

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
$412,529,925Cumulative sales reported on Form D
Investors
90
First sale
Oct 1, 2021
Minimum investment
$1,000,000
Who can invest
Qualified purchasersSection 3(c)(7): generally $5M+ in investments
Offering exemption
Rule 506(b)No general advertising
Key people and entities
Andrew Haley; Sourcerock Group LLC; Tammy Jennissen
Latest Form D
Aug 12, 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. Private funds are speculative, illiquid and generally limited to accredited investors or qualified purchasers. Full disclosures · Request a correction

Questions about Sourcerock Offshore Fund Ltd

What is the minimum investment for Sourcerock Offshore Fund Ltd?

According to its latest Form D, filed Aug 12, 2026, the minimum investment Sourcerock Offshore Fund Ltd accepts from an outside investor is $1,000,000.

Who can invest in Sourcerock Offshore Fund Ltd?

Sourcerock Offshore Fund Ltd 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 Sourcerock Offshore Fund Ltd raised?

Sourcerock Offshore Fund Ltd reports $412,529,925 sold from 90 investors on its Form D filed Aug 12, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Sourcerock Offshore Fund Ltd based?

Sourcerock Offshore Fund Ltd is based in Denver, Colorado and is managed by Sourcerock Group LLC.

When did Sourcerock Offshore Fund Ltd launch?

Sourcerock Offshore Fund Ltd reports its first sale in Oct 2021.

Size compared with every hedge fund

Raised more than 94% of the 114 hedge funds based in Colorado, and more than 80% of all 10,308 that report sales.

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