Hedge Fund · CIK 0001747057
Dan Sundheim
D1 Capital
Dan Sundheim runs D1 Capital, a hedge fund overseeing $10.70B in disclosed equity holdings (SEC CIK 0001747057). The latest 13F filing (2025Q4) discloses 42 positions across 10 sectors, with the largest positions in CART, CLH and FLS. On a mark-to-market basis the tracked portfolio has returned 11.3% over the past year. OpenStocks tracks 29 consecutive 13F filings for this manager — every position change, new entry, and exit is logged below.
Portfolio
$10.70B
Positions
42
Quarter
2025Q4
Filings tracked
29
Biggest winner since filing
HLTHILTON WORLDWIDE HLDGS INC
+310.5%
+$511.4M
Biggest loser since filing
LULULULULEMON ATHLETICA INC
-55.3%
−$75.3M
Investment strategy
Dan Sundheim is a large fund. Disclosed equity book is between $10B and $100B.
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<iframe src="https://openstocks.me/embed/stock/SGI" width="100%" height="480" frameborder="0" loading="lazy" title="SGI chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>Holdings
8 sectors38 positions
Top 3 = 19% of book · SGI, MSFT, ELV
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Performance
vs SPY29 quarters tracked
Mark-to-market portfolio growth vs SPY benchmark, with AUM and concentration history.
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Options & derivatives
No options
Dan Sundheim has no PUT or CALL positions disclosed in this quarter's 13F.
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Activity & trades
Quarter-by-quarterLast move 2025Q4
ADD CLH — and 4 more recent moves.
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Recent transactions
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NEW
LINDE PLC
+483,808
~$426.39 · 2025Q4
2026-02-17
NEW
AMAZON COM INC
+1,340,523
~$230.82 · 2025Q4
2026-02-17
