AltMountain

LuminArx Opportunistic Alternative Solutions Onshore Fund LP

New York, NY · CIK 1991606 · Managed by Luminarx Capital Management LP

LuminArx Opportunistic Alternative Solutions Onshore Fund LP is a hedge fund based in New York, New York. According to its most recent Form D, filed Sep 18, 2026, the fund has sold $569,946,000 of interests to 37 investors since its first sale in Sep 2023. The minimum investment it accepts from an outside investor is $1. 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 Gideon Berger; LuminArx Capital GP LLC; LuminArx Capital Fund GP LP.

Performance

No verified returns have been reported for this fund. Hedge fund returns are not part of SEC filings; managers report them to AltMountain directly.

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Total raised
$569,946,000Cumulative sales reported on Form D
Investors
37
First sale
Sep 12, 2023
Minimum investment
$1
Who can invest
Qualified purchasersSection 3(c)(7): generally $5M+ in investments
Offering exemption
Rule 506(b)No general advertising
Key people and entities
Gideon Berger; LuminArx Capital GP LLC; LuminArx Capital Fund GP LP
Latest Form D
Sep 18, 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 LuminArx Opportunistic Alternative Solutions Onshore Fund LP

What is the minimum investment for LuminArx Opportunistic Alternative Solutions Onshore Fund LP?

According to its latest Form D, filed Sep 18, 2026, the minimum investment LuminArx Opportunistic Alternative Solutions Onshore Fund LP accepts from an outside investor is $1.

Who can invest in LuminArx Opportunistic Alternative Solutions Onshore Fund LP?

LuminArx Opportunistic Alternative Solutions Onshore Fund LP 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 LuminArx Opportunistic Alternative Solutions Onshore Fund LP raised?

LuminArx Opportunistic Alternative Solutions Onshore Fund LP reports $569,946,000 sold from 37 investors on its Form D filed Sep 18, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is LuminArx Opportunistic Alternative Solutions Onshore Fund LP based?

LuminArx Opportunistic Alternative Solutions Onshore Fund LP is based in New York, New York and is managed by Luminarx Capital Management LP.

When did LuminArx Opportunistic Alternative Solutions Onshore Fund LP launch?

LuminArx Opportunistic Alternative Solutions Onshore Fund LP reports its first sale in Sep 2023.

Size compared with every hedge fund

Raised more than 81% of the 2,544 hedge funds based in New York, and more than 83% of all 10,308 that report sales.

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