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 portfolio (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 27.7% over the past year. OpenStocks tracks 29 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.
Portfolio
$10.70B
Positions
42
Quarter
2025Q4
Filings tracked
29
1-YearTWR
+27.72%
since 2024Q4
3-YearTWR
+113.47%
since 2022Q4
5-YearTWR
+19.36%
since 2020Q4
10-Year
—
insufficient history
Performance overview
We mark Dan Sundheim (D1 Capital)'s disclosed portfolio to current market prices and compare its growth against the S&P 500 (SPY). Dan's portfolio is 27.7% over the last 12 months · 104.5% since 2018Q4.
Portfolio growth vs SPY
Rebased to 100 at 2018Q4 · through 2025Q4
Dan Sundheim
+146.5%
SPY
—
Portfolio line is the GIPS-compliant time-weighted return chain-linked across the manager's quarterly 13F filings — unaffected by capital flows. Quarters with insufficient held-through coverage are skipped, which can briefly flatten the line.
Capital flow per quarter
BuysSellsNet
Latest · 2025Q4
+$1.69B
Lifetime buys
$32.73B
Lifetime sells
$37.08B
Portfolio over time
AUMPositions
QoQ AUM
+22.9%
16Q lifetime AUM
+26.0%
QoQ positions
+4
16Q lifetime positions
+17
Position concentration
42 positions