Howl / Investor portfolios / Daniel Sundheim

Daniel Sundheim portfolio

D1 Capital Partners

Founder of D1 Capital Partners, investing across public and private growth companies.

D1 Capital Partners's 13F for the quarter ending Jun 30, 2026 (filed Aug 14, 2026) reports 55 positions worth $34.8B. The largest are Space Exploration Technologies Corp. (61.9%), Maplebear Inc. (3.1%), James Hardie Inds plc (2.1%). The top five make up 70% of the reported portfolio.

Since their last filing

Their stocks
−4.2%
since Jun 30, 2026
S&P 500
+3.6%
same period
Priced
55
positions, as of Oct 8, 2026

How the stocks in this filing have moved since its quarter ended, weighted by position size. This is not the fund's own return: a 13F leaves out cash, short positions and anything bought or sold since.

Biggest movers

  • SPCXSpace Exploration Technologies Corp.−6.0%
  • APPAppLovin Corporation−45.6%
  • TMOThermo Fisher Scientific Inc.+30.0%
  • NUNu Holdings Ltd.+15.1%

What changed in Q2 2026

Compared with the previous 13F. Sorted by how much the share count changed, not by position size.

New 21

SPCX Space Exploration Technologies Corp.New position0% to 61.9%
META Meta Platforms, Inc.New position0% to 0.9%
ISRG Intuitive Surgical, Inc.New position0% to 0.7%
COMP Compass IncNew position0% to 0.5%
LIN Linde plcNew position0% to 0.5%
TSLA Tesla, Inc.New position0% to 0.5%
LSCC Lattice Semiconductor CorpNew position0% to 0.5%
BLDR Builders Firstsource IncNew position0% to 0.4%
Q Qnity Electronics IncNew position0% to 0.4%
AMRZ Amrize LtdNew position0% to 0.3%
MPWR Monolithic Power Systems, Inc.New position0% to 0.3%
LFUS Littelfuse IncNew position0% to 0.3%
SHOP Shopify Inc.New position0% to 0.3%
CRWV CoreWeave, Inc.New position0% to 0.2%
SNOW Snowflake Inc.New position0% to 0.2%

Plus 6 more in the Howl app.

Added 16

CVNA Carvana Co+465.4% shares1.9% to 0.7% on price
FERG Ferguson Enterprises Inc+267.0% shares0.7% to 0.9%
JCI Johnson Controls International plc+206.5% shares1.4% to 1.6%
SHW The Sherwin-Williams Company+164.4% shares1.4% to 1.2% on price
NU Nu Holdings Ltd.+71.6% shares3.3% to 1.7% on price
SPOT Spotify Technology S.A.+67.1% shares1.5% to 0.8% on price
GOOGL Alphabet Inc.+57.5% shares1.2% to 0.8% on price
DIS The Walt Disney Company+22.1% shares2.0% to 0.8% on price
TMO Thermo Fisher Scientific Inc.+12.7% shares3.2% to 1.2% on price
U Unity Software Inc+9.6% shares0.6% to 0.3% on price
MLM Martin Marietta Materials, Inc.+6.9% shares1.7% to 0.6% on price
SGI Somnigroup International Inc+6.1% shares3.1% to 1.1% on price
USFD US Foods Holding Corp.+5.1% shares3.5% to 1.3% on price
SCHW The Charles Schwab Corporation+4.6% shares2.0% to 0.7% on price
RDDT Reddit, Inc.+0.2% shares3.0% to 1.2% on price

Plus 1 more in the Howl app.

Trimmed 16

TXN Texas Instruments Incorporated−76.9% shares3.0% to 0.3%
AMZN Amazon.com, Inc.−65.3% shares3.4% to 0.4%
ADI Analog Devices, Inc.−65.1% shares0.8% to 0.1%
SE Sea Limited−58.6% shares3.0% to 0.5%
LINE Lineage Inc−36.0% shares2.2% to 0.6%
MELI MercadoLibre, Inc.−25.7% shares5.8% to 1.4%
PURR Hyperliquid Strategies Inc.−20.7% shares0.4% to 0.1%
FLS Flowserve Corp−15.4% shares3.8% to 1.1%
CPNG Coupang Inc−11.4% shares1.9% to 0.5%
DASH DoorDash, Inc.−9.3% shares1.9% to 0.7%
KRC Kilroy Realty Corp−6.9% shares2.8% to 1.1%
JHX James Hardie Inds plc−2.7% shares4.8% to 2.1%
COF Capital One Financial Corporation−2.1% shares1.8% to 0.6%
CLH Clean Harbors Inc−1.7% shares3.4% to 1.1%
AFRM Affirm Holdings, Inc.−1.5% shares0.8% to 0.5%

Plus 1 more in the Howl app.

Sold out 10

KNX Knight-swift Transn Hldgs InSold outwas 2.8% of portfolio
AVGO Broadcom Inc.Sold outwas 2.7% of portfolio
NVDA NVIDIA CorporationSold outwas 2.4% of portfolio
XPO Xpo IncSold outwas 2.2% of portfolio
CLS Celestica IncSold outwas 1.4% of portfolio
TSM Taiwan Semiconductor Manufacturing Company LimitedSold outwas 1.0% of portfolio
LYV Live Nation Entertainment, Inc.Sold outwas 0.9% of portfolio
BLD Topbuild CorSold outwas 0.7% of portfolio
ADSK Autodesk, Inc.Sold outwas 0.7% of portfolio
ASML ASML Holding N.V.Sold outwas <0.1% of portfolio

Holdings

#StockWeightValueShares vs last quarter
1SPCX Space Exploration Technologies Corp.61.9%$21.5BNew
2CART Maplebear Inc.3.1%$1.1B+0.0%
3JHX James Hardie Inds plc2.1%$721.1M−2.7%
4NU Nu Holdings Ltd.1.7%$593.4M+71.6%
5JCI Johnson Controls International plc1.6%$548.2M+206.5%
6MELI MercadoLibre, Inc.1.4%$471.0M−25.7%
7USFD US Foods Holding Corp.1.3%$460.3M+5.1%
8DHR Danaher Corporation1.2%$434.7M−1.0%
9SHW The Sherwin-Williams Company1.2%$431.3M+164.4%
10RDDT Reddit, Inc.1.2%$427.8M+0.2%
11TMO Thermo Fisher Scientific Inc.1.2%$409.7M+12.7%
12KRC Kilroy Realty Corp1.1%$393.4M−6.9%
13CLH Clean Harbors Inc1.1%$393.0M−1.7%
14SGI Somnigroup International Inc1.1%$390.1M+6.1%
15FLS Flowserve Corp1.1%$368.5M−15.4%
16APP AppLovin Corporation1.0%$344.8MNo change
17META Meta Platforms, Inc.0.9%$319.1MNew
18FERG Ferguson Enterprises Inc0.9%$304.3M+267.0%
19DIS The Walt Disney Company0.8%$276.7M+22.1%
20GOOGL Alphabet Inc.0.8%$263.8M+57.5%
21SPOT Spotify Technology S.A.0.8%$261.2M+67.1%
22CVNA Carvana Co0.7%$248.8M+465.4%
23DASH DoorDash, Inc.0.7%$240.6M−9.3%
24ISRG Intuitive Surgical, Inc.0.7%$228.3MNew
25SCHW The Charles Schwab Corporation0.7%$227.6M+4.6%
26COF Capital One Financial Corporation0.6%$219.4M−2.1%
27LINE Lineage Inc0.6%$204.8M−36.0%
28MLM Martin Marietta Materials, Inc.0.6%$199.0M+6.9%
29COMP Compass Inc0.5%$187.7MNew
30LIN Linde plc0.5%$177.2MNew
31CPNG Coupang Inc0.5%$178.8M−11.4%
32TSLA Tesla, Inc.0.5%$169.0MNew
33LSCC Lattice Semiconductor Corp0.5%$165.8MNew
34SE Sea Limited0.5%$160.8M−58.6%
35AFRM Affirm Holdings, Inc.0.5%$155.6M−1.5%
36AMZN Amazon.com, Inc.0.4%$149.7M−65.3%
37BLDR Builders Firstsource Inc0.4%$146.7MNew
38Q Qnity Electronics Inc0.4%$136.2MNew
39APO Apollo Global Mgmt Inc0.4%$137.1MNo change
40TXN Texas Instruments Incorporated0.3%$120.9M−76.9%
41AMRZ Amrize Ltd0.3%$116.6MNew
42MPWR Monolithic Power Systems, Inc.0.3%$117.6MNew
43LFUS Littelfuse Inc0.3%$102.1MNew
44U Unity Software Inc0.3%$102.1M+9.6%
45SHOP Shopify Inc.0.3%$94.9MNew
46CRWV CoreWeave, Inc.0.2%$62.6MNew
47SNOW Snowflake Inc.0.2%$55.0MNew
48MAIR Madison Air Solutions Corp0.1%$48.8MNew
49PURR Hyperliquid Strategies Inc.0.1%$49.9M−20.7%
50ADI Analog Devices, Inc.0.1%$40.5M−65.1%
51CBRS Cerebras Systems Inc.0.1%$33.1MNew
52GOOG Alphabet Inc.<0.1%$30.0MNew
53STX Seagate Technology Holdings plc<0.1%$29.1MNew
54QNT Quantinuum Inc.<0.1%$24.5MNew
55DPC Dpc Holdings plc<0.1%$6.1MNew

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Questions

What does Daniel Sundheim own?

As of the 13F for Jun 30, 2026, D1 Capital Partners's largest holdings were Space Exploration Technologies Corp. (61.9%), Maplebear Inc. (3.1%), James Hardie Inds plc (2.1%), Nu Holdings Ltd. (1.7%), Johnson Controls International plc (1.6%).

What did Daniel Sundheim buy last quarter?

New positions: Space Exploration Technologies Corp., Meta Platforms, Inc., Intuitive Surgical, Inc., Compass Inc, Linde plc. Biggest additions by share count: Carvana Co, Ferguson Enterprises Inc, Johnson Controls International plc, The Sherwin-Williams Company, Nu Holdings Ltd..

What did Daniel Sundheim sell last quarter?

Sold out of: Knight-swift Transn Hldgs In, Broadcom Inc., NVIDIA Corporation, Xpo Inc, Celestica Inc. Biggest reductions by share count: Texas Instruments Incorporated, Amazon.com, Inc., Analog Devices, Inc., Sea Limited, Lineage Inc.

When is Daniel Sundheim's next 13F filing?

Funds file a 13F within 45 days after each quarter ends. The next one, covering the quarter ending Sep 30, 2026, is due by Nov 14, 2026.

What doesn't a 13F show?

A 13F lists US-listed stocks and options a fund held on the last day of the quarter. It leaves out cash, short positions, bonds, most non-US stocks, and any trading since the quarter ended.

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