AltMountain

Rush Island Offshore, Ltd

Grand Cayman, Cayman Islands · CIK 1725509 · Managed by Rush Island Management, LP
Offshore

Rush Island Offshore, Ltd is a hedge fund based in Grand Cayman, Cayman Islands. According to its most recent Form D, filed Jan 27, 2026, the fund has sold $162,523,480 of interests to 30 investors since its first sale in Jan 2018. The minimum investment it accepts from an outside investor is $2,000,000. 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 Rush Island Management GP, LLC; Ronan Guilfoyle; Steve Millham.

Performance

13F estimate · public data only

No verified returns have been reported for this fund. As a rough guide, Rush Island Management, LP, which manages it, disclosed U.S. stock holdings that returned an estimated +11.4% 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 +11.5% (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
$162,523,480Cumulative sales reported on Form D
Investors
30
First sale
Jan 1, 2018
Minimum investment
$2,000,000
Who can invest
Qualified purchasersSection 3(c)(7): generally $5M+ in investments
Offering exemption
Rule 506(b)No general advertising
Key people and entities
Rush Island Management GP, LLC; Ronan Guilfoyle; Steve Millham
Latest Form D
Jan 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. Private funds are speculative, illiquid and generally limited to accredited investors or qualified purchasers. Full disclosures · Request a correction

Questions about Rush Island Offshore, Ltd

What is the minimum investment for Rush Island Offshore, Ltd?

According to its latest Form D, filed Jan 27, 2026, the minimum investment Rush Island Offshore, Ltd accepts from an outside investor is $2,000,000.

Who can invest in Rush Island Offshore, Ltd?

Rush Island Offshore, 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 Rush Island Offshore, Ltd raised?

Rush Island Offshore, Ltd reports $162,523,480 sold from 30 investors on its Form D filed Jan 27, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Rush Island Offshore, Ltd based?

Rush Island Offshore, Ltd is based in Grand Cayman, Cayman Islands and is managed by Rush Island Management, LP.

When did Rush Island Offshore, Ltd launch?

Rush Island Offshore, Ltd reports its first sale in Jan 2018.

Size compared with every hedge fund

Raised more than 57% of the 2,363 hedge funds based in Cayman Islands, and more than 66% of all 10,308 that report sales.

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