AltMountain

O'Connor Global Merger Arbitrage LLC

New York, NY · CIK 1643062 · Managed by O'Connor Alternative Investments, LLC

O'Connor Global Merger Arbitrage LLC is a hedge fund based in New York, New York. According to its most recent Form D, filed May 28, 2026, the fund has sold $1,694,077,340 of interests to 2,776 investors since its first sale in May 2015. The minimum investment it accepts from an outside investor is $50,000. 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 Cassandra Powell; O'Connor Alternative Investments, LLC; Leanne Golding.

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
$1,694,077,340Cumulative sales reported on Form D
Investors
2,776
First sale
May 1, 2015
Minimum investment
$50,000
Who can invest
Qualified purchasersSection 3(c)(7): generally $5M+ in investments
Offering exemption
Rule 506(b)No general advertising
Key people and entities
Cassandra Powell; O'Connor Alternative Investments, LLC; Leanne Golding
Latest Form D
May 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. Private funds are speculative, illiquid and generally limited to accredited investors or qualified purchasers. Full disclosures · Request a correction

Questions about O'Connor Global Merger Arbitrage LLC

What is the minimum investment for O'Connor Global Merger Arbitrage LLC?

According to its latest Form D, filed May 28, 2026, the minimum investment O'Connor Global Merger Arbitrage LLC accepts from an outside investor is $50,000.

Who can invest in O'Connor Global Merger Arbitrage LLC?

O'Connor Global Merger Arbitrage LLC 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 O'Connor Global Merger Arbitrage LLC raised?

O'Connor Global Merger Arbitrage LLC reports $1,694,077,340 sold from 2,776 investors on its Form D filed May 28, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is O'Connor Global Merger Arbitrage LLC based?

O'Connor Global Merger Arbitrage LLC is based in New York, New York and is managed by O'Connor Alternative Investments, LLC.

When did O'Connor Global Merger Arbitrage LLC launch?

O'Connor Global Merger Arbitrage LLC reports its first sale in May 2015.

Size compared with every hedge fund

Raised more than 93% of the 2,544 hedge funds based in New York, and more than 94% of all 10,308 that report sales.

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