Dan Sundheim Holdings 13F: Latest D1 Capital Partners Portfolio Changes
D1 Capital Partners. Multi-strategy hedge fund founded by former Viking Global CIO.
As of the latest Q2 2026 13F filing, Dan Sundheim (managing D1 Capital Partners) reported a public portfolio value of $34.8B with 55 positions. This page tracks latest holdings, latest 13F changes, top buys, top sells, and top holdings from the public filing. The top recent buy was SPCX. The top recent sell was JHIUF.
Open interactive portfolioLatest 13F portfolio changes
Dan Sundheim holdings 13F summary: the latest D1 Capital Partners portfolio changes show top holdings including SPACE EXPLORATION TECHN, MAPLEBEAR, JAMES HARDIE INDS, NU HLDGS, and JOHNSON CONTROLS INTERNATION, reported top buys such as SPACE EXPLORATION TECHN, MAPLEBEAR, NU HLDGS, and JOHNSON CONTROLS INTERNATION, and top sells or reductions such as JAMES HARDIE INDS, MERCADOLIBRE, DANAHER CORP DEL, and KILROY REALTY.
Latest filing metadata: quarter Q2 2026; report date 2026-06-30; filing date 2026-08-14; disclosure source SEC 13F.
Dan Sundheim 13F portfolio and latest holdings overview
Dan Sundheim's Q2 2026 13F holdings show D1 Capital Partners reporting 55 positions with a disclosed portfolio value of $34.8B. For readers searching Dan Sundheim 13F holdings, Dan Sundheim portfolio, D1 Capital Partners holdings, or latest 13F changes, the latest top holdings include SPACE EXPLORATION TECHN, MAPLEBEAR, JAMES HARDIE INDS, NU HLDGS, and JOHNSON CONTROLS INTERNATION.
The three largest reported positions add up to roughly 67.0%, which helps readers judge portfolio concentration rather than just headline AUM. The largest reported sector exposure is Energy at 61.9% of the disclosed portfolio. This makes the page useful for comparing the manager's actual disclosed exposure with market narratives around the same names.
The latest change data highlights reported buys such as SPACE EXPLORATION TECHN, MAPLEBEAR, NU HLDGS, JOHNSON CONTROLS INTERNATION, and US FOODS HLDG and reported reductions or exits such as JAMES HARDIE INDS, MERCADOLIBRE, DANAHER CORP DEL, KILROY REALTY, and CLEAN HARBORS. Those changes should be read as historical disclosure signals, not as real-time trade alerts.
The filing metadata lists report date 2026-06-30, filing date 2026-08-14, SEC accession 0001172661-26-003662. SEC 13F reports are normally published up to 45 days after quarter end, so the data is best used to understand institutional positioning after the fact rather than to infer today's exact portfolio.
Dan Sundheim portfolio analytics
the top five positions account for 70.3% of disclosed value; the largest sector exposure is Energy at 61.9%; reported buy and sell activity implies roughly 102.8% turnover this period; cost-basis P&L across 55 tracked positions averages 166.1% (41/49 currently in profit).
Top reported holdings
| Holding | Reported value | Weight | Quarter change |
|---|---|---|---|
| SPCX whale holders SPACE EXPLORATION TECHN CORP | $21.54B | 61.9% | New |
| CART whale holders MAPLEBEAR INC | $1.07B | 3.1% | Increased |
| JHIUF whale holders JAMES HARDIE INDS PLC | $721.1M | 2.1% | Reduced |
| NU whale holders NU HLDGS LTD | $593.4M | 1.7% | Increased |
| JCI whale holders JOHNSON CONTROLS INTERNATION | $548.2M | 1.6% | Increased |
| MELI whale holders MERCADOLIBRE INC | $471.0M | 1.4% | Reduced |
| USFD whale holders US FOODS HLDG CORP | $460.3M | 1.3% | Increased |
| DHR whale holders DANAHER CORP DEL | $434.7M | 1.2% | Reduced |
| SHW whale holders SHERWIN WILLIAMS CO | $431.3M | 1.2% | Increased |
| RDDT whale holders REDDIT INC | $427.8M | 1.2% | Increased |
Top buys
- SPCX whale holders — SPACE EXPLORATION TECHN CORP ($21.54B)
- CART whale holders — MAPLEBEAR INC ($1.07B)
- NU whale holders — NU HLDGS LTD ($593.4M)
- JCI whale holders — JOHNSON CONTROLS INTERNATION ($548.2M)
- USFD whale holders — US FOODS HLDG CORP ($460.3M)
- SHW whale holders — SHERWIN WILLIAMS CO ($431.3M)
Top sells
- JHIUF whale holders — JAMES HARDIE INDS PLC ($721.1M)
- MELI whale holders — MERCADOLIBRE INC ($471.0M)
- DHR whale holders — DANAHER CORP DEL ($434.7M)
- KRC whale holders — KILROY REALTY CORP ($393.4M)
- CLH whale holders — CLEAN HARBORS INC ($393.0M)
- FLS whale holders — FLOWSERVE CORP ($368.5M)
Allocation
- Energy: 61.9%
- Other: 5.1%
- Industrials: 4.6%
- Consumer Staples: 4.4%
- Communication Services: 4.3%
- Consumer Discretionary: 4.2%
- Information Technology: 4.1%
- Materials: 3.8%
Data notes
Report date: 2026-06-30
Disclosure source: SEC 13F
SEC 13F filings are delayed public disclosures and do not include every asset class, short positions, or real-time trades.
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Frequently asked questions
Dan Sundheim 13F Holdings
The Q2 2026 13F profile for Dan Sundheim and D1 Capital Partners shows 55 reported positions, $34.8B in disclosed portfolio value, and top holdings including SPACE EXPLORATION TECHN, MAPLEBEAR, JAMES HARDIE INDS, NU HLDGS, and JOHNSON CONTROLS INTERNATION.
What is Dan Sundheim buying? Latest 13F changes
The latest tracked change data for Dan Sundheim highlights reported buys such as SPACE EXPLORATION TECHN, MAPLEBEAR, NU HLDGS, and JOHNSON CONTROLS INTERNATION and reported sells or reductions such as JAMES HARDIE INDS, MERCADOLIBRE, DANAHER CORP DEL, and KILROY REALTY.
D1 Capital Partners top holdings
D1 Capital Partners top holdings are summarized from public disclosures with reported values, weights, portfolio concentration, top buys, top sells, and filing metadata where available.
Dan Sundheim buys and sells
Use the top buys and top sells sections above to compare Dan Sundheim's reported additions, reductions, exits, and latest portfolio activity against other tracked investors.
How delayed is Dan Sundheim's 13F data?
SEC Form 13F requires institutional investment managers with $100M+ in US equities to disclose their holdings quarterly. Read our comprehensive 13F guide for timing, coverage, and limitations. Read the Whale Analyzer 13F guide.