AltMountain

Rock Springs Capital Fund LP

Baltimore, MD · CIK 1589230 · Managed by Rock Springs Capital

Rock Springs Capital Fund LP is a hedge fund based in Baltimore, Maryland. According to its most recent Form D, filed Jan 21, 2026, the fund has sold $2,472,550,806 of interests to 611 investors since its first sale in Oct 2013. 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 Rock Springs Capital Management LP; Kris Jenner; Gordon Bussard.

Performance

13F estimate · public data only

No verified returns have been reported for this fund. As a rough guide, Rock Springs Capital, which manages it, disclosed U.S. stock holdings that returned an estimated +15.4% 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 +54.6% (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.

Is this your fund? Report your monthly returns · How performance works

Total raised
$2,472,550,806Cumulative sales reported on Form D
Investors
611
First sale
Oct 1, 2013
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
Rock Springs Capital Management LP; Kris Jenner; Gordon Bussard
Latest Form D
Jan 21, 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 Rock Springs Capital Fund LP

What is the minimum investment for Rock Springs Capital Fund LP?

Rock Springs Capital Fund LP's latest Form D, filed Jan 21, 2026, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in Rock Springs Capital Fund LP?

Rock Springs Capital 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 Rock Springs Capital Fund LP raised?

Rock Springs Capital Fund LP reports $2,472,550,806 sold from 611 investors on its Form D filed Jan 21, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Rock Springs Capital Fund LP based?

Rock Springs Capital Fund LP is based in Baltimore, Maryland and is managed by Rock Springs Capital.

When did Rock Springs Capital Fund LP launch?

Rock Springs Capital Fund LP reports its first sale in Oct 2013.

Size compared with every hedge fund

Raised more than 97% of the 62 hedge funds based in Maryland, and more than 96% of all 10,308 that report sales.

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