Great investors · Dan Sundheim · Q4 2025
What Dan Sundheim bought and sold in Q4 2025
D1 Capital Partners 13F portfolio as of Dec 31, 2025: 42 positions worth $10.7 bn. Largest: CART, CLH, FLS, JHX. Filed with the SEC on Feb 17, 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 Q4 2025
- NewSherwin-williamsSHW+2.9 pp
- NewAmazon.comAMZN+2.9 pp
- IncreasedSeaSE+2.6 pp
- NewSpotify TechnologySPOT+2.1 pp
- IncreasedKnight-Swift Transportation HoldingsKNX+1.9 pp
- NewLindeLIN+1.9 pp
- IncreasedMercadoLibreMELI+1.8 pp
- NewJohnson Controls InternationalJCI+1.5 pp
- NewAutodeskADSK+1.3 pp
- NewArista NetworksANET+1.2 pp
- IncreasedWalt DisneyDIS+1.1 pp
- IncreasedEntegrisENTG+1.1 pp
Sells in Q4 2025
- Sold outPrimo BrandsPRMB−2.4 pp
- ReducedBank of AmericaBAC−2.2 pp
- Sold outNu HoldingsNU−1.5 pp
- ReducedCore & MainCNM−1.2 pp
- Sold outCarpenter TechnologyCRS−1.2 pp
- Sold outPhilip Morris InternationalPM−1.1 pp
- Sold outWingstopWING−1.1 pp
- Sold outAlaska Air GroupALK−1.1 pp
- ReducedAppLovinAPP−1.1 pp
- ReducedBroadcomAVGO−1.0 pp
- ReducedDanaherDHR−0.7 pp
- Sold outLouisiana-pacificLPX−0.7 pp
36 companies with material moves, out of 44 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 Q4 2025 13F lists 42 lines of US-listed securities worth $10.7 bn; the largest is CART at 9.48% of the portfolio. It was accepted by the SEC on Feb 17, 2026 at 9:18 AM ET.
Against the previous quarter, it opened 13 positions (SHW, AMZN, SPOT and LIN and 9 more), closed 9 (PRMB, NU, CRS and PM and 5 more), added to 17 (SE, KNX, MELI and ECHO and 13 more) and trimmed 8 (APP, CNM, AVGO and SCHW and 4 more). 4 lines show the same number of shares.
| # | Company | Shares | Value | Weight | Change in shares |
|---|---|---|---|---|---|
| 1 | Maplebear CART | 22.6 M | $1.0 bn | 9.48% | no change |
| 2 | Clean Harbors CLH | 2.8 M | $652M | 6.10% | +14% |
| 3 | Flowserve FLS | 7.7 M | $531M | 4.96% | +2.4% |
| 4 | James Hardie Industries JHX | 24.4 M | $506M | 4.73% | +28% |
| 5 | Reddit RDDT | 2.1 M | $487M | 4.55% | +4.6% |
| 6 | MercadoLibre MELI | 224,481 | $452M | 4.23% | +74% |
| 7 | AppLovin APP | 669,282 | $451M | 4.21% | −20% |
| 8 | Sea SE | 3.5 M | $445M | 4.15% | +170% |
| 9 | Knight-Swift Transportation Holdings KNX | 7.7 M | $404M | 3.77% | +107% |
| 10 | Kilroy Realty KRC | 10.4 M | $389M | 3.63% | +23% |
| 11 | US Foods Holding USFD | 4.3 M | $323M | 3.01% | +27% |
| 12 | Charles Schwab SCHW | 3.2 M | $315M | 2.95% | −17% |
| 13 | Sherwin-williams SHW | 962,124 | $312M | 2.91% | new |
| 14 | Amazon.com AMZN | 1.3 M | $309M | 2.89% | new |
| 15 | XPO XPO | 2.0 M | $277M | 2.58% | −19% |
| 16 | Lineage LINE | 7.4 M | $259M | 2.42% | +20% |
| 17 | Walt Disney DIS | 2.2 M | $252M | 2.35% | +84% |
| 18 | Meta Platforms META | 376,162 | $248M | 2.32% | +39% |
| 19 | Spotify Technology SPOT | 395,900 | $230M | 2.15% | new |
| 20 | NVIDIA NVDA | 1.1 M | $214M | 2.00% | +86% |
| 21 | Entegris ENTG | 2.5 M | $210M | 1.96% | +117% |
| 22 | Linde LIN | 483,808 | $206M | 1.93% | new |
| 23 | EchoStar ECHO | 1.9 M | $202M | 1.88% | +126% |
| 24 | Capital One Financial COF | 828,210 | $201M | 1.88% | −16% |
| 25 | Synopsys SNPS | 378,350 | $178M | 1.66% | +141% |
| 26 | Apollo Global Management APO | 1.2 M | $168M | 1.57% | no change |
| 27 | Johnson Controls International JCI | 1.4 M | $162M | 1.52% | new |
| 28 | GE Healthcare Technologies GEHC | 1.8 M | $145M | 1.35% | +77% |
| 29 | Core & Main CNM | 2.6 M | $138M | 1.29% | −49% |
| 30 | Autodesk ADSK | 455,658 | $135M | 1.26% | new |
| 31 | Danaher DHR | 559,727 | $128M | 1.20% | −38% |
| 32 | Arista Networks ANET | 962,429 | $126M | 1.18% | new |
| 33 | Broadcom AVGO | 358,548 | $124M | 1.16% | −46% |
| 34 | APi Group APG | 2.2 M | $84.3M | 0.79% | no change |
| 35 | Texas Instruments TXN | 485,818 | $84.3M | 0.79% | new |
| 36 | Qnity Electronics Q | 937,135 | $76.5M | 0.72% | new |
| 37 | Bank of America BAC | 1.2 M | $68.5M | 0.64% | −77% |
| 38 | Affirm Holdings AFRM | 820,000 | $61.0M | 0.57% | no change |
| 39 | Nisource NI | 1.2 M | $50.7M | 0.47% | new |
| 40 | American Electric Power AEP | 344,100 | $39.7M | 0.37% | new |
| 41 | Hyperliquid Strategies PURR | 8.0 M | $28.5M | 0.27% | new |
| 42 | Medline MDLN | 377,131 | $15.8M | 0.15% | new |
Positions it closed (9)
- Primo Brands PRMBwas 3.00% · 11.8 M shares
- Nu Holdings NUwas 1.87% · 10.2 M shares
- Carpenter Technology CRSwas 1.42% · 505,329 shares
- Philip Morris International PMwas 1.38% · 740,308 shares
- Wingstop WINGwas 1.36% · 472,135 shares
- Alaska Air Group ALKwas 1.34% · 2.3 M shares
- Louisiana-pacific LPXwas 0.82% · 803,906 shares
- TransDigm Group TDGwas 0.47% · 30,800 shares
- Lexeo Therapeutics LXEOwas 0.07% · 978,652 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.