Top funds
No. 7 in 2025 · Hedge fund · New York

D1 Capital

Run by Dan Sundheim since 2018. Mixes shops, factories and tech companies with large private stakes. Its biggest by far is SpaceX.
If you’d given them $1,000 on January 1, 2025, by December 31 you’d have
$1,337
33.7% in 2025
The rose 16.4% in 2025 (not counting dividends, the cash some companies pay their owners).
As reported by Bloomberg via Hedgeweek, for Jan 1 – Dec 31, 2025 · Main fund, the class holding most of its money
S&P 500 data: S&P Dow Jones Indices LLC, via FRED.

What they own

Biggest bets first. The % is how much of their stock money is in that company. Tap a stock to open its page.
Already owned
Added lately
Sold lately
A full bar is 65% of their money.

Just bought

34
Between April and June, compared with the report before.

Sold

25
Dollar amounts use the price on Jun 30, 2026, or on Mar 31, 2026 for stocks they sold completely.

Where their money goes

Each square is $1 of every $100 they have in stocks.

Who invests with them

From Form ADV, the form investment firms file with the SEC about their clients, their money and their staff.
About 1,400 investors
In its 25 private funds.
$40.2 billion it manages
All the money it invests for its clients, by its own count.
79 people work there
37 of them pick investments.
$2 million minimum to join
For D1 Capital Partners Master LP, its biggest fund. Its managers and staff own 13% of it.

Its biggest funds

D1 Capital Partners Master LP
About 861 investors
$36.2 billion
D1 Private Fund Onshore LP
About 64 investors
$730 million
D1 Private Fund Offshore LP
About 21 investors
$575 million
D1 SX Holdings LP
About 31 investors
$417 million
D1 Aria Holdings-A LP
About 29 investors
$332 million
And 20 smaller funds.
  • Investor counts are approximate, and someone in two of its funds counts twice.
From the Form ADV filed by D1 Capital Partners L.P. on Mar 31, 2026.
View it on SEC.gov

At a glance

Money they have in stocks
$34.8 billion
$34,783,267,943
Stocks they own
54
Their 5 biggest bets
70% of their money
Holdings as of
Jun 30, 2026
Reported on
Aug 14, 2026
Run by
Dan Sundheim
Based in
New York
Investing since
2018
The original report
SEC.gov ↗︎

Good to know

  • SpaceX now shows up in its report as one giant holding, so the fund looks like a one-stock bet.
Holdings as of Jun 30, 2026, from D1 Capital’s Form 13F, filed Aug 14, 2026.
View the filing on SEC.gov
Not investment advice. For information and education only. Holdings: SEC Form 13F filings and the funds’ own letters. Returns: as reported by the funds or the press, linked at each number. Investors and money managed: the managers’ Form ADV filings with the SEC. Not affiliated with the SEC or any fund.
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