AltMountain

Samlyn Onshore Fund, LP

New York, NY · CIK 1393721 · Managed by Samlyn Capital, LLC

Samlyn Onshore Fund, LP is a hedge fund based in New York, New York. According to its most recent Form D, filed Feb 27, 2026, the fund has sold $3,150,526,541 of interests to 633 investors since its first sale in Mar 2007. The filing does not set a minimum investment. 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 Samlyn GP, LLC; Samlyn Capital, LLC; Samlyn Partners, LLC.

Performance

13F estimate · public data only

No verified returns have been reported for this fund. As a rough guide, Samlyn Capital, LLC, which manages it, disclosed U.S. stock holdings that returned an estimated +5.1% 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 +28.0% (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
$3,150,526,541Cumulative sales reported on Form D
Investors
633
First sale
Mar 1, 2007
Minimum investment
None set
Who can invest
Qualified purchasersSection 3(c)(7): generally $5M+ in investments
Offering exemption
Rule 506(b)No general advertising
Key people and entities
Samlyn GP, LLC; Samlyn Capital, LLC; Samlyn Partners, LLC
Latest Form D
Feb 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 Samlyn Onshore Fund, LP

What is the minimum investment for Samlyn Onshore Fund, LP?

Samlyn Onshore Fund, LP's latest Form D, filed Feb 27, 2026, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in Samlyn Onshore Fund, LP?

Samlyn 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 Samlyn Onshore Fund, LP raised?

Samlyn Onshore Fund, LP reports $3,150,526,541 sold from 633 investors on its Form D filed Feb 27, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Samlyn Onshore Fund, LP based?

Samlyn Onshore Fund, LP is based in New York, New York and is managed by Samlyn Capital, LLC.

When did Samlyn Onshore Fund, LP launch?

Samlyn Onshore Fund, LP reports its first sale in Mar 2007.

Size compared with every hedge fund

Raised more than 97% of the 2,544 hedge funds based in New York, and more than 97% of all 10,308 that report sales.

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