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 | |
|---|---|---|---|---|---|---|
26
Capital One
COF
$134B
| $219M | 0.63% |
1,093,438
-23,300
| -2% | -$4.46M |
|
|
LINE
27
Lineage Inc
LINE
$9.48B
| $205M | 0.59% |
4,736,312
-2,665,917
| -36% | -$105M |
|
28
Martin Marietta Materials
MLM
$32.1B
| $199M | 0.57% |
345,060
+22,203
| +7% | +$13.2M |
|
29
Compass
COMP
$9.02B
| $188M | 0.54% |
+15,224,831
| New | +$127M |
|
30
Coupang
CPNG
$29.6B
| $179M | 0.51% |
10,292,141
-1,319,600
| -11% | -$23.8M |
|
31
Linde
LIN
$225B
| $177M | 0.51% |
+341,538
| New | +$173M |
|
32
Tesla
TSLA
$1.43T
| $169M | 0.49% |
+401,900
| New | +$160M |
|
33
Lattice Semiconductor
LSCC
$16.7B
| $166M | 0.48% |
+1,084,051
| New | +$140M |
|
34
Sea Limited
SE
$72B
| $161M | 0.46% |
1,678,332
-2,373,801
| -59% | -$209M |
|
35
Affirm
AFRM
$25.8B
| $156M | 0.45% |
1,908,511
-28,389
| -1% | -$1.86M |
|
|
36
Amazon
AMZN
$2.79T
| $150M | 0.43% |
628,082
-1,179,441
| -65% | -$296M |
|
37
Builders FirstSource
BLDR
$7.55B
| $147M | 0.42% |
+1,639,222
| New | +$131M |
|
38
Apollo Global Management
APO
$78.4B
| $137M | 0.39% |
1,159,000
| – | – |
|
|
Q
39
Qnity Electronics Inc
Q
$27B
| $136M | 0.39% |
+833,996
| New | +$123M |
|
|
40
Texas Instruments
TXN
$241B
| $121M | 0.35% |
405,474
-1,347,527
| -77% | -$374M |
|
41
Monolithic Power Systems
MPWR
$64.7B
| $118M | 0.34% |
+85,103
| New | +$128M |
|
|
AMRZ
42
Amrize Ltd
AMRZ
$25B
| $117M | 0.34% |
+2,187,487
| New | +$118M |
|
43
Unity
U
$20.7B
| $102M | 0.29% |
3,572,473
+312,490
| +10% | +$8.31M |
|
44
Littelfuse
LFUS
$10.5B
| $102M | 0.29% |
+224,164
| New | +$97.1M |
|
45
Shopify
SHOP
$192B
| $94.9M | 0.27% |
+830,891
| New | +$94.8M |
|
|
CRWV
46
CoreWeave
CRWV
$48.5B
| $62.6M | 0.18% |
+628,446
| New | +$67.8M |
|
47
Snowflake
SNOW
$115B
| $55M | 0.16% |
+216,019
| New | +$39.8M |
|
|
PURR
48
Hyperliquid Strategies Inc
PURR
$2.12B
| $49.9M | 0.14% |
6,342,600
-1,657,400
| -21% | -$12.3M |
|
|
MAIR
49
Madison Air Solutions
MAIR
$13B
| $48.8M | 0.14% |
+1,250,000
| New | +$48.7M |
|
50
Analog Devices
ADI
$182B
| $40.5M | 0.12% |
102,040
-190,404
| -65% | -$75.4M |
|
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.