Great investors · Dan Sundheim · Q2 2026
What Dan Sundheim bought and sold in Q2 2026
D1 Capital Partners 13F portfolio as of Jun 30, 2026: 55 positions worth $34.8 bn. Largest: SPCX, CART, JHX, NU. Filed with the SEC on Aug 14, 2026.
The 13F is filed by D1 Capital Partners, not by Dan Sundheim personally: these are the whole firm's positions. A “position” is a distinct security in the filing (by CUSIP); share classes of the same company are shown added together.
Buys in Q2 2026
- IncreasedJohnson Controls InternationalJCI+1.1 pp
- NewMeta PlatformsMETA+0.9 pp
- IncreasedSherwin-williamsSHW+0.8 pp
- IncreasedNu HoldingsNU+0.7 pp
- NewIntuitive SurgicalISRG+0.7 pp
- IncreasedFerguson EnterprisesFERG+0.6 pp
- NewCompassCOMP+0.5 pp
- NewLindeLIN+0.5 pp
Sells in Q2 2026
- ReducedTexas InstrumentsTXN−1.0 pp
- Sold outKnight-Swift Transportation HoldingsKNX−0.9 pp
- Sold outBroadcomAVGO−0.9 pp
- ReducedAmazon.comAMZN−0.8 pp
- Sold outNVIDIANVDA−0.8 pp
- Sold outXPOXPO−0.7 pp
- ReducedSeaSE−0.7 pp
15 companies with material moves, out of 55 positions with a change. Only moves of 0.5 points of the portfolio or more are listed, measured as “traded weight” (what was bought or sold, excluding price effects). Smaller changes exist and are not listed: a position may have gone up or down without appearing above.
The full 13F, line by line
D1 Capital Partners's Q2 2026 13F lists 55 lines of US-listed securities worth $34.8 bn; the largest is SPCX at 61.9% of the portfolio. It was accepted by the SEC on Aug 14, 2026 at 11:17 AM ET.
Against the previous quarter, it opened 21 positions (SPCX, META, ISRG and COMP and 17 more), closed 10 (KNX, AVGO, NVDA and XPO and 6 more), added to 14 (JCI, FERG, SHW and NU and 10 more) and trimmed 15 (MELI, AMZN, SE and TXN and 11 more). 5 lines show the same number of shares.
| # | Company | Shares | Value | Weight | Change in shares |
|---|---|---|---|---|---|
| 1 | Space Exploration Technologies SPCX | 126.0 M | $21.5 bn | 61.9% | new |
| 2 | Maplebear CART | 22.6 M | $1.1 bn | 3.07% | no change |
| 3 | James Hardie Industries JHX | 27.5 M | $721M | 2.07% | −2.7% |
| 4 | Nu Holdings NU | 44.4 M | $593M | 1.71% | +72% |
| 5 | Johnson Controls International JCI | 3.8 M | $548M | 1.58% | +207% |
| 6 | MercadoLibre MELI | 277,475 | $471M | 1.35% | −26% |
| 7 | US Foods Holding USFD | 4.5 M | $460M | 1.32% | +5.1% |
| 8 | Danaher DHR | 2.3 M | $435M | 1.25% | no change |
| 9 | Sherwin-williams SHW | 1.3 M | $431M | 1.24% | +164% |
| 10 | Reddit RDDT | 2.5 M | $428M | 1.23% | no change |
| 11 | Thermo Fisher Scientific TMO | 817,123 | $410M | 1.18% | +13% |
| 12 | Kilroy Realty KRC | 10.5 M | $393M | 1.13% | −6.9% |
| 13 | Clean Harbors CLH | 1.3 M | $393M | 1.13% | −1.7% |
| 14 | Somnigroup International SGI | 5.0 M | $390M | 1.12% | +6.1% |
| 15 | Flowserve FLS | 5.0 M | $368M | 1.06% | −15% |
| 16 | AppLovin APP | 669,282 | $345M | 0.99% | no change |
| 17 | Meta Platforms META | 566,500 | $319M | 0.92% | new |
| 18 | Ferguson Enterprises FERG | 1.3 M | $304M | 0.87% | +267% |
| 19 | Walt Disney DIS | 2.9 M | $277M | 0.80% | +22% |
| 20 | Alphabet GOOGL | 738,300 | $264M | 0.76% | +57% |
| 21 | Spotify Technology SPOT | 568,855 | $261M | 0.75% | +67% |
| 22 | Carvana CVNA | 3.8 M | $249M | 0.72% | +13% |
| 23 | DoorDash DASH | 1.3 M | $241M | 0.69% | −9.3% |
| 24 | Intuitive Surgical ISRG | 574,200 | $228M | 0.66% | new |
| 25 | Charles Schwab SCHW | 2.5 M | $228M | 0.65% | +4.6% |
| 26 | Capital One Financial COF | 1.1 M | $219M | 0.63% | −2.1% |
| 27 | Lineage LINE | 4.7 M | $205M | 0.59% | −36% |
| 28 | Martin Marietta Materials MLM | 345,060 | $199M | 0.57% | +6.9% |
| 29 | Compass COMP | 15.2 M | $188M | 0.54% | new |
| 30 | Coupang CPNG | 10.3 M | $179M | 0.51% | −11% |
| 31 | Linde LIN | 341,538 | $177M | 0.51% | new |
| 32 | Tesla TSLA | 401,900 | $169M | 0.49% | new |
| 33 | Lattice Semiconductor LSCC | 1.1 M | $166M | 0.48% | new |
| 34 | Sea SE | 1.7 M | $161M | 0.46% | −59% |
| 35 | Affirm Holdings AFRM | 1.9 M | $156M | 0.45% | −1.5% |
| 36 | Amazon.com AMZN | 628,082 | $150M | 0.43% | −65% |
| 37 | Builders Firstsource BLDR | 1.6 M | $147M | 0.42% | new |
| 38 | Apollo Global Management APO | 1.2 M | $137M | 0.39% | no change |
| 39 | Qnity Electronics Q | 833,996 | $136M | 0.39% | new |
| 40 | Texas Instruments TXN | 405,474 | $121M | 0.35% | −77% |
| 41 | Monolithic Power Systems MPWR | 85,103 | $118M | 0.34% | new |
| 42 | Amrize AMRZ | 2.2 M | $117M | 0.34% | new |
| 43 | Unity Software U | 3.6 M | $102M | 0.29% | +9.6% |
| 44 | Littelfuse LFUS | 224,164 | $102M | 0.29% | new |
| 45 | Shopify SHOP | 830,891 | $94.9M | 0.27% | new |
| 46 | CoreWeave CRWV | 628,446 | $62.6M | 0.18% | new |
| 47 | Snowflake SNOW | 216,019 | $55.0M | 0.16% | new |
| 48 | Hyperliquid Strategies PURR | 6.3 M | $49.9M | 0.14% | −21% |
| 49 | Madison Air Solutions MAIR | 1.3 M | $48.8M | 0.14% | new |
| 50 | Analog Devices ADI | 102,040 | $40.5M | 0.12% | −65% |
| 51 | Cerebras Systems CBRS | 150,000 | $33.2M | 0.10% | new |
| 52 | Alphabet GOOG | 85,000 | $30.0M | 0.09% | new |
| 53 | Seagate Technology Holdings STX | 30,115 | $29.1M | 0.08% | new |
| 54 | Quantinuum QNT | 300,000 | $24.5M | 0.07% | new |
| 55 | DPC Holdings DPC | 125,000 | $6.1M | 0.02% | new |
Positions it closed (10)
- Knight-Swift Transportation Holdings KNXwas 2.82% · 5.5 M shares
- Broadcom AVGOwas 2.70% · 981,495 shares
- NVIDIA NVDAwas 2.44% · 1.6 M shares
- XPO XPOwas 2.23% · 1.3 M shares
- Celestica CLSwas 1.36% · 541,556 shares
- Taiwan Semiconductor Manufacturing TSMwas 0.99% · 328,600 shares
- Live Nation Entertainment LYVwas 0.92% · 674,317 shares
- TopBuild BLDwas 0.67% · 213,433 shares
- Autodesk ADSKwas 0.66% · 308,907 shares
- ASML Holding ASMLwas 0.08% · 6,800 shares
One row per line of the filing (by CUSIP): share classes of the same company are listed separately here. “Change in shares” compares the count with the previous quarter, split-adjusted; the value is the one reported in the 13F at quarter end, not today's price.
Original documents: D1 Capital Partners's 13F filings on EDGAR (SEC) ↗
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Source: 13F filings with the SEC. A 13F shows the portfolio at quarter-end and is filed up to 45 days later: these are not real-time positions. Not investment advice.