What Dan Sundheim Bought in Q2 2026

D1 Capital Partners · Quarterly 13F recap as filed with the SEC.

Period: 2026-06-30 · Filed

$34.78B

Total Value

55

Holdings

21

New Buys

17

Reduced

In Q2 2026, Dan Sundheim reported 55 long equity positions worth $34.78B in their D1 Capital Partners 13F filing, including 21 new positions (largest: SPACE EXPLORATION TECHN CORP at $21.54B) and 15 increased positions.

RankTickerCompanySharesValue% PortfolioChange
1SPCXSPACE EXPLORATION TECHN CORP126042232$21.54B61.91%NEW
2CARTMAPLEBEAR INC22564435$1.07B3.07%+0.0%
3JHIUFJAMES HARDIE INDS PLC27545516$721.1M2.07%-2.7%
4NUNU HLDGS LTD44418543$593.4M1.71%+71.6%
5JCIJOHNSON CONTROLS INTERNATION3751887$548.2M1.58%+206.5%
6MELIMERCADOLIBRE INC277475$471.0M1.35%-25.7%
7USFDUS FOODS HLDG CORP4501964$460.3M1.32%+5.1%
8DHRDANAHER CORP DEL2282039$434.7M1.25%-1.0%
9SHWSHERWIN WILLIAMS CO1252471$431.3M1.24%164.4%
10RDDTREDDIT INC2464411$427.8M1.23%+0.2%
11TMOTHERMO FISHER SCIENTIFIC INC817123$409.7M1.18%+12.7%
12KRCKILROY REALTY CORP10498120$393.4M1.13%-6.9%
13CLHCLEAN HARBORS INC1315501$393.0M1.13%-1.7%
14SGISOMNIGROUP INTERNATIONAL INC4975364$390.1M1.12%+6.1%
15FLSFLOWSERVE CORP4968713$368.5M1.06%-15.4%
16APPAPPLOVIN CORP669282$344.8M0.99%
17METAMETA PLATFORMS INC566500$319.1M0.92%NEW
18FERGFERGUSON ENTERPRISES INC1282038$304.3M0.87%267.0%
19DISDISNEY WALT CO2874400$276.7M0.80%+22.1%
20GOOGLALPHABET INC738300$263.8M0.76%+57.5%
21SPOTSPOTIFY TECHNOLOGY S A568855$261.2M0.75%+67.1%
22CVNACARVANA CO3779517$248.8M0.72%465.4%
23DASHDOORDASH INC1303705$240.6M0.69%-9.3%
24ISRGIntuitive Surgical574200$228.3M0.66%NEW
25SCHWSCHWAB CHARLES CORP2466590$227.6M0.65%+4.6%
26COFCapital One Financial1093438$219.4M0.63%-2.1%
27LINELINEAGE INC4736312$204.8M0.59%-36.0%
28MLMMARTIN MARIETTA MATLS INC345060$199.0M0.57%+6.9%
29COMPCOMPASS INC15224831$187.7M0.54%NEW
30CPNGCOUPANG INC10292141$178.8M0.51%-11.4%
31LINLINDE PLC341538$177.2M0.51%NEW
32TSLATESLA INC401900$169.0M0.49%NEW
33LSCCLATTICE SEMICONDUCTOR CORP1084051$165.8M0.48%NEW
34SESEA LTD1678332$160.8M0.46%-58.6%
35AFRMAFFIRM HLDGS INC1908511$155.6M0.45%-1.5%
36AMZNAMAZON COM INC628082$149.7M0.43%+-65.3%
37BLDRBUILDERS FIRSTSOURCE INC1639222$146.7M0.42%NEW
38APOAPOLLO GLOBAL MGMT INC1159000$137.1M0.39%
39QQNITY ELECTRONICS INC833996$136.2M0.39%NEW
40TXNTEXAS INSTRS INC405474$120.9M0.35%+-76.9%
41MPWRMONOLITHIC PWR SYS INC85103$117.6M0.34%NEW
42AMRZAMRIZE LTD2187487$116.6M0.34%NEW
43UUNITY SOFTWARE INC3572473$102.1M0.29%+9.6%
44LFUSLITTELFUSE INC224164$102.1M0.29%NEW
45SHOPSHOPIFY INC830891$94.9M0.27%NEW
46CRWVCOREWEAVE INC628446$62.6M0.18%NEW
47SNOWSNOWFLAKE INC216019$55.0M0.16%NEW
48PURRHYPERLIQUID STRATEGIES INC6342600$49.9M0.14%-20.7%
49MAIRMADISON AIR SOLUTIONS CORP1250000$48.8M0.14%NEW
50ADIANALOG DEVICES INC102040$40.5M0.12%-65.1%
51CBRSCEREBRAS SYSTEMS INC150000$33.1M0.10%NEW
52GOOGALPHABET INC85000$30.0M0.09%NEW
53STXSEAGATE TECHNOLOGY HLDNGS PL30115$29.1M0.08%NEW
54QNTQUANTINUUM INC300000$24.5M0.07%NEW
55DPCDPC HOLDINGS PLC125000$6.1M0.02%NEW