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Great investors · Dan Sundheim

Dan Sundheim portfolio · Q2 2026

Dan Sundheim, founder of D1 Capital Partners. This is the stock portfolio D1 Capital Partners reported to the SEC (Form 13F) as of Jun 30, 2026, filed on Aug 14, 2026.

The 13F is filed by the firm, not the person: when this page says what Dan Sundheim “owns” or “bought”, it means the positions of D1 Capital Partners as a whole.

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Next 13F: Q3 2026 usually filed ~Nov 16, 2026; deadline Nov 16, 2026. See the quarter page →

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Stock portfolio
$34.8 bn
Companies
54
55 positions (by CUSIP)
In the top 10
77%
Copying its 13F, 5 years
2.4%/yr
S&P 500 (SPY): 11.8%/yrboth price only, no dividends
Concentrated managerInvestment firm

What stocks does Dan Sundheim own?

The largest positions of D1 Capital Partners in Q2 2026 are SPCX, CART, JHX, NU, JCI.

  1. 1Space Exploration TechnologiesSPCXNewly listed61.9%Since Q2 2026 · 1 quarterIt bought in 1 quarter. Quarter-end price of that quarter per 13F: $170.86.
  2. 2MaplebearCART3.1%Since Q3 2023 · 12 quartersIt bought in 1 quarter. Quarter-end price of that quarter per 13F: $29.69.
  3. 3James Hardie IndustriesJHXReduced2.1%Since Q3 2025 · 4 quartersIt bought in 3 quarters. Quarter-end prices of those quarters per 13F: $18.94 to $20.75.
  4. 4Nu HoldingsNUIncreased1.7%Since Q1 2026 · 2 quartersIt bought in 2 quarters. Quarter-end prices of those quarters per 13F: $13.36 to $14.37.
  5. 5Johnson Controls InternationalJCIIncreased1.6%Since Q4 2025 · 3 quartersIt bought in 2 quarters. Quarter-end prices of those quarters per 13F: $119.75 to $146.11.
  6. 6MercadoLibreMELIReduced1.4%Since Q3 2025 · 4 quartersIt bought in 3 quarters. Quarter-end prices of those quarters per 13F: $1,729.02 to $2,336.94.
  7. 7US Foods HoldingUSFDIncreased1.3%Since Q1 2025 · 6 quartersIt bought in 4 quarters. Quarter-end prices of those quarters per 13F: $65.46 to $102.25.
  8. 8DanaherDHR1.2%Since Q2 2025 · 5 quartersIt bought in 3 quarters. Quarter-end prices of those quarters per 13F: $189.60 to $198.26.
  9. 9Sherwin-williamsSHWIncreased1.2%Since Q4 2025 · 3 quartersIt bought in 2 quarters. Quarter-end prices of those quarters per 13F: $324.03 to $344.32.
  10. 10RedditRDDT1.2%Since Q1 2025 · 6 quartersIt bought in 5 quarters. Quarter-end prices of those quarters per 13F: $104.90 to $229.99.
Q2 2026 13F at the SEC ↗

Where there are two tickers (e.g. GOOGL · GOOG) they are two share classes of the same company and the weight is the sum: that is why there are 54 rows here and the 13F has 55 positions.

“Since”: first quarter of the current run, unbroken until today. Prices are the quarter-end prices of the quarters in which it added shares, per the 13F. The manager may have bought at any price within each quarter; the SEC only publishes the value at quarter end.

What did Dan Sundheim buy in Q2 2026?

What did Dan Sundheim sell in Q2 2026?

29 positions opened or added to and 25 trimmed or closed, against the previous quarter's 13F. Each is measured the same way across the page: how much the share count changed and its weight in the portfolio today (share classes of the same company added together). The 13F has 55 positions with a change, 15 of them material (0.5 points of the portfolio or more). All full exits are listed, even those that moved less than 0.5 points of the portfolio. Where an increase or cut shows no share change, it adds up two share classes of the same company (e.g. GOOGL and GOOG).

How its portfolio changed (8 quarters)

Positions

Q2 2026: 55

550
Q3 2024Q2 2026
Top 10 weight

Q2 2026: 77%

77%43%
Q3 2024Q2 2026
Traded turnover

Q2 2026: 40.8%

44.7%0
Q3 2024Q2 2026

Traded turnover: the weight it bought plus the weight it sold in the quarter, divided by two, excluding price moves. The plain “turnover” in the header does include that effect. With a free account: the full history and sectors over time.

Source: SEC 13F filings show the portfolio at quarter end and are filed up to 45 days later: positions may have changed. They only cover U.S.-listed stocks and some others; no short positions or cash. Not investment advice.

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