Daniel Sundheim D1 Capital Partners
Daniel Sundheim is the founder of D1 Capital Partners, a firm active in public equities and private investments with a growth-oriented focus. He previously was a senior investor at Viking Global before launching D1. The firm’s public portfolio is tracked for exposure to consumer, technology, and other high-quality growth businesses.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
SPCX
SpaceX
SPCX
|
+$21.4B |
| 2 |
Johnson Controls International
JCI
|
+$357M |
| 3 |
Meta Platforms (Facebook)
META
|
+$346M |
| 4 |
Intuitive Surgical
ISRG
|
+$251M |
| 5 |
Nu Holdings
NU
|
+$250M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Texas Instruments
TXN
|
+$374M |
| 2 |
Knight Transportation
KNX
|
+$316M |
| 3 |
Broadcom
AVGO
|
+$304M |
| 4 |
Amazon
AMZN
|
+$296M |
| 5 |
NVIDIA
NVDA
|
+$274M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Industrials | 67.13% |
| 2 | Consumer Discretionary | 8.85% |
| 3 | Communication Services | 5.53% |
| 4 | Materials | 4.73% |
| 5 | Financials | 3.98% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
CBRS
51
Cerebras Systems
CBRS
$46.6B
| $33.1M | 0.1% |
+150,000
| New | +$35.3M |
|
52
Alphabet (Google) Class C
GOOG
$4.18T
| $30M | 0.09% |
+85,000
| New | +$30.4M |
|
53
Seagate
STX
$193B
| $29.1M | 0.08% |
+30,115
| New | +$23M |
|
|
QNT
54
Quantinuum Inc
QNT
$2.09B
| $24.5M | 0.07% |
+300,000
| New | +$19.3M |
|
|
DPC
55
DPC Holdings PLC
DPC
$6.79B
| $6.13M | 0.02% |
+125,000
| New | +$6.09M |
|
56
Autodesk
ADSK
$53.6B
| – | – |
-308,907
| Closed | -$74M |
|
57
ASML
ASML
$677B
| – | – |
-6,800
| Closed | -$8.98M |
|
|
58
Broadcom
AVGO
$1.75T
| – | – |
-981,495
| Closed | -$304M |
|
|
BLD
59
DELISTED
TopBuild
BLD
| – | – |
-213,433
| Closed | -$75M |
|
60
Celestica
CLS
$37.4B
| – | – |
-541,556
| Closed | -$153M |
|
|
61
Knight Transportation
KNX
$11.7B
| – | – |
-5,491,563
| Closed | -$316M |
|
62
Live Nation Entertainment
LYV
$42.4B
| – | – |
-674,317
| Closed | -$103M |
|
|
63
NVIDIA
NVDA
$5.2T
| – | – |
-1,568,793
| Closed | -$274M |
|
64
TSMC
TSM
$2.17T
| – | – |
-328,600
| Closed | -$111M |
|
65
XPO
XPO
$23.2B
| – | – |
-1,287,630
| Closed | -$251M |
|
Similar funds
Daniel Sundheim's Q2 2026 Portfolio in Review
As of Q2 2026, Daniel Sundheim held 65 positions worth $34.8B, up 210% from $11.2B the previous quarter. Its ten largest holdings account for 77% of the portfolio.
Daniel Sundheim deployed $22B of net new capital in Q2 2026, opening 21 new positions and adding to 16 existing holdings. Its largest new stake was SpaceX: 126,042,232 shares worth $21.5B.
By sector, the portfolio is most concentrated in Industrials at 67% of assets, up from 15% a quarter earlier, followed by Consumer Discretionary and Communication Services.
On the sell side, the largest reduction was Texas Instruments, an estimated $374M trimmed.
- Daniel Sundheim's largest Q2 2026 buy was SpaceX: 126,042,232 shares worth $21.5B.
- Daniel Sundheim added most to Johnson Controls International in Q2 2026, an estimated $357M increase.
- Daniel Sundheim's biggest Q2 2026 reduction was Texas Instruments, cutting an estimated $374M.
- Daniel Sundheim fully exited Knight Transportation in Q2 2026, selling an estimated $316M.
- Daniel Sundheim's ten largest holdings make up 77% of its $34.8B portfolio in Q2 2026.
- Daniel Sundheim opened 21 new positions and closed 10 in Q2 2026.
- Daniel Sundheim's portfolio value rose 210% quarter-over-quarter to $34.8B.
Based on D1 Capital Partners's 13F filing for Q2 2026, filed 14 Aug 2026.