D1 Capital Partners L.P. · Q2 2026 13F · SEC CIK 1747057

Dan Sundheim portfolio

Hedge fundD1 Capital Partners 13F holdings. Filed 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $34.8B
Reported positions: 55
Top holdings a year, 3 yrs: +24.5%
Assets under management: $40.2B

Dan Sundheim is the founder of D1 Capital Partners, which reported 55 positions worth $34.8B in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Space Exploration Techn Corp (SPCX, 61.9%), Maplebear Inc (CART, 3.1%), James Hardie Inds PLC (JHX, 2.1%). A portfolio copying its top holdings returned 24.5% a year over the last 3 years, against 20.4% for the S&P 500.

Dan Sundheim holdings largest 50 of 55 positions.

Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

Dan Sundheim 13F holdings
Stock	% of 13F value	Q1 2026	Shares	Share change	Reported value
SPCXSpace Exploration Techn Corp	61.9%	New	126,042,232	—	$21.5B
CARTMaplebear Inc	3.1%	7.5%	22,564,435	+0.0%	$1.1B
JHXJames Hardie Inds PLC	2.1%	4.8%	27,545,516	-2.7%	$721.1M
NUNu Hldgs Ltd	1.7%	3.3%	44,418,543	+71.6%	$593.4M
JCIJohnson Controls Internation	1.6%	1.4%	3,751,887	+206.5%	$548.2M
MELIMercadolibre Inc	1.4%	5.8%	277,475	-25.7%	$471.0M
USFDUS Foods Hldg Corp	1.3%	3.5%	4,501,964	+5.1%	$460.3M
DHRDanaher Corp Del	1.3%	3.9%	2,282,039	-1.0%	$434.7M
SHWSherwin Williams Co	1.2%	1.4%	1,252,471	+164.4%	$431.3M
RDDTReddit Inc	1.2%	2.9%	2,464,411	+0.2%	$427.8M
TMOThermo Fisher Scientific Inc	1.2%	3.2%	817,123	+12.7%	$409.7M
KRCKilroy Realty Corp	1.1%	2.8%	10,498,120	-6.9%	$393.4M
CLHClean Harbors Inc	1.1%	3.4%	1,315,501	-1.7%	$393.0M
TPXSomnigroup International Inc	1.1%	3.1%	4,975,364	+6.1%	$390.1M
FLSFlowserve Corp	1.1%	3.8%	4,968,713	-15.4%	$368.5M
APPApplovin Corp	1.0%	2.4%	669,282	+0.0%	$344.8M
METAMeta Platforms Inc	0.9%	New	566,500	—	$319.1M
FERGFerguson Enterprises Inc Common Stock Ne	0.9%	0.7%	1,282,038	+267.0%	$304.3M
DISDisney Walt Co	0.8%	2.0%	2,874,400	+22.1%	$276.7M
GOOGLAlphabet Inc	0.8%	1.2%	738,300	+57.5%	$263.8M
SPOTSpotify Technology SA	0.8%	1.5%	568,855	+67.1%	$261.2M
CVNACarvana Co	0.7%	1.9%	3,779,517	+465.4%	$248.8M
DASHDoordash Inc	0.7%	1.9%	1,303,705	-9.3%	$240.6M
ISRGIntuitive Surgical Inc	0.7%	New	574,200	—	$228.3M
SCHWCharles Schwab Corp (the)	0.7%	2.0%	2,466,590	+4.6%	$227.6M
COFCapital One Finl Corp	0.6%	1.8%	1,093,438	-2.1%	$219.4M
LINELineage Inc	0.6%	2.2%	4,736,312	-36.0%	$204.8M
MLMMartin Marietta Matls Inc	0.6%	1.7%	345,060	+6.9%	$199.0M
COMPCompass Inc	0.5%	New	15,224,831	—	$187.7M
CPNGCoupang Inc	0.5%	2.0%	10,292,141	-11.4%	$178.8M
LINLinde PLC	0.5%	New	341,538	—	$177.2M
TSLATesla Inc	0.5%	New	401,900	—	$169.0M
LSCCLattice Semiconductor Corp	0.5%	New	1,084,051	—	$165.8M
SESea Ltd	0.5%	3.0%	1,678,332	-58.6%	$160.8M
AFRMAffirm Hldgs Inc	0.4%	0.8%	1,908,511	-1.5%	$155.6M
AMZNAmazon Com Inc	0.4%	3.4%	628,082	-65.3%	$149.7M
BLDRBuilders Firstsource Inc	0.4%	New	1,639,222	—	$146.7M
APOApollo Global Management Inc	0.4%	1.1%	1,159,000	+0.0%	$137.1M
QQnity Electronics Inc Common Stock	0.4%	New	833,996	—	$136.2M
TXNTexas Instrs Inc	0.3%	3.0%	405,474	-76.9%	$120.9M
MPWRMonolithic Pwr Sys Inc	0.3%	New	85,103	—	$117.6M
AMRZAmrize Ltd Shs	0.3%	New	2,187,487	—	$116.6M
UUnity Software Inc Com	0.3%	0.6%	3,572,473	+9.6%	$102.1M
LFUSLittelfuse Inc	0.3%	New	224,164	—	$102.1M
SHOPShopify Inc	0.3%	New	830,891	—	$94.9M
CRWVCoreweave Inc	0.2%	New	628,446	—	$62.6M
SNOWSnowflake Inc	0.2%	New	216,019	—	$55.0M
PURRHyperliquid Strategies Inc	0.1%	0.4%	6,342,600	-20.7%	$49.9M
55658T105Madison Air Solutions Corp	0.1%	New	1,250,000	—	$48.8M
ADIAnalog Devices Inc	0.1%	0.8%	102,040	-65.1%	$40.5M

What Dan Sundheim bought and sold in Q2 2026, against Q1 2026.

Share counts compared with the Q1 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.

How the holdings did against the S&P 500.

1 year: +18.6% /yr; S&P 500 +20.1%
3 years: +24.5% /yr; S&P 500 +20.4%
5 years: +4.7% /yr; S&P 500 +11.6%

A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter	13F value	Positions
Q2 2026	$34.8B	55
Q1 2026	$11.2B	44
Q4 2025	$10.7B	42
Q3 2025	$8.7B	38
Q2 2025	$7.2B	33
Q1 2025	$6.5B	41
Q4 2024	$6.0B	35
Q3 2024	$5.2B	34
Q2 2024	$5.9B	35
Q1 2024	$6.6B	34
Q4 2023	$5.7B	28
Q3 2023	$6.9B	37

Questions about Dan Sundheim's portfolio

Who is Dan Sundheim?

Dan Sundheim is the founder of D1 Capital Partners, a hedge fund that files its US stock holdings with the SEC on Form 13F under the name D1 Capital Partners L.P..

What stocks does Dan Sundheim own?

D1 Capital Partners L.P.'s latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 55 positions worth $34.8B. The largest are Space Exploration Techn Corp (SPCX) at 61.9%, Maplebear Inc (CART) at 3.1%, James Hardie Inds PLC (JHX) at 2.1%, Nu Hldgs Ltd (NU) at 1.7% and Johnson Controls Internation (JCI) at 1.6%.

What did Dan Sundheim buy last quarter?

In Q2 2026, D1 Capital Partners L.P. added a new position in Space Exploration Techn Corp (SPCX), a new position in Meta Platforms Inc (META), a new position in Intuitive Surgical Inc (ISRG), a new position in Compass Inc (COMP), a new position in Linde PLC (LIN), Carvana Co (CVNA) (+465.4% shares), Ferguson Enterprises Inc Common Stock Ne (FERG) (+267.0% shares) and Johnson Controls Internation (JCI) (+206.5% shares), compared with its Q1 2026 filing.

What did Dan Sundheim sell last quarter?

In Q2 2026, D1 Capital Partners L.P. cut from its top 50 Knight-Swift Transn Hldgs in (KNX), cut from its top 50 Broadcom Inc (AVGO), cut from its top 50 Nvidia Corporation (NVDA), cut from its top 50 Xpo Inc (XPO), cut from its top 50 Celestica Inc (CLS), Texas Instrs Inc (TXN) (-76.9% shares), Amazon Com Inc (AMZN) (-65.3% shares) and Analog Devices Inc (ADI) (-65.1% shares), compared with its Q1 2026 filing.

How has Dan Sundheim's portfolio performed?

A portfolio copying D1 Capital Partners L.P.'s 20 largest 13F holdings each quarter, from the day each filing was public, returned +24.5% a year over the last 3 years, against +20.4% for the S&P 500. Over 1 year: +18.6% against +20.1%. Over 5 years: +4.7% a year against +11.6%.

When is D1 Capital Partners L.P.'s next 13F filing due?

13F filings are due 45 days after each quarter ends. D1 Capital Partners L.P.'s filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.

How much money does D1 Capital Partners L.P. manage?

D1 Capital Partners L.P. reported $40.2B of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $34.8B.