Magnetar Capital Fund II LP
Magnetar Capital Fund II LP is a hedge fund based in Evanston, Illinois. According to its most recent Form D, filed Dec 15, 2025, the fund has sold $828,849,163 of interests to 114 investors since its first sale in Jan 2010. 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 Hayley Stein; David Snyderman; Ross Laser.
Performance
No verified returns have been reported for this fund. As a rough guide, Magnetar Financial LLC, which manages it, disclosed U.S. stock holdings that returned an estimated +20.4% 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 +86.6% (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.
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- Total raised
- $828,849,163Cumulative sales reported on Form D
- Investors
- 114
- First sale
- Jan 1, 2010
- 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
- Hayley Stein; David Snyderman; Ross Laser
- Latest Form D
- Dec 15, 2025
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 Magnetar Capital Fund II LP
What is the minimum investment for Magnetar Capital Fund II LP?
Magnetar Capital Fund II LP's latest Form D, filed Dec 15, 2025, does not set a minimum investment. Managers can still require one in the offering documents.
Who can invest in Magnetar Capital Fund II LP?
Magnetar Capital Fund II 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 Magnetar Capital Fund II LP raised?
Magnetar Capital Fund II LP reports $828,849,163 sold from 114 investors on its Form D filed Dec 15, 2025. This is cumulative sales since the offering began, not current assets or performance.
Where is Magnetar Capital Fund II LP based?
Magnetar Capital Fund II LP is based in Evanston, Illinois and is managed by Magnetar Financial LLC.
When did Magnetar Capital Fund II LP launch?
Magnetar Capital Fund II LP reports its first sale in Jan 2010.
Size compared with every hedge fund
Raised more than 94% of the 323 hedge funds based in Illinois, and more than 88% of all 10,308 that report sales.