Top Institutional Investors

D1 Capital Partners L.P. — 13F Holdings & Portfolio

CIK 1747057 · latest 13F-HR filed 2026-08-14

Backtest portfolio

D1 Capital Partners L.P. manages $34.78B in 13F-reported U.S. long-equity assets across 55 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SPCX (61.91%), CART (3.07%), JHX (2.07%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 21 new positions and exited 10; 22 existing positions rose in reported value and 8 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM
$34.78B

Long-equity book

Holdings
55

Distinct positions

Period
2026-06-30

Filed 2026-08-14

Q/Q Activity
+21 / −10 / ↑22 / ↓8

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
SPCX61.9% · newCART3.1% · 0%JHX2.1% · -3%NU1.7% · +72%JCI1.6% · +206%MELI1.4% · -26%USFD1.3% · +5%DHR1.2% · -1%SHW1.2% · +164%RDDT1.2% · +0%TMO1.2% · +13%KRC1.1% · -7%CLH1.1% · -2%SGI1.1% · +6%FLS1.1% · -15%APP1.0% · 0%META0.9% · newFERG0.9% · +267%DIS0.8% · +22%GOOGL0.8% · +58%SPOT0.8% · +67%CVNA0.7% · +465%DASH0.7% · -9%ISRG0.7% · newSCHW0.7% · +5%COF0.6% · -2%LINE0.6% · -36%MLM0.6% · +7%COMP0.5% · newCPNG0.5% · -11%LIN0.5% · newTSLA0.5% · newLSCC0.5% · newSE0.5% · -59%AFRM0.4% · -2%AMZN0.4% · -65%BLDR0.4% · newAPO0.4% · 0%Q0.4% · newTXN0.3% · -77%MPWR0.3% · newAMRZ0.3% · newU0.3% · +10%LFUS0.3% · newSHOP0.3% · newCRWV0.2% · newSNOW0.2% · newPURR0.1% · -21%MAIR0.1% · newADI0.1% · -65%CBRS0.1% · newGOOG0.1% · newSTX0.1% · newQNT0.1% · newDPC0.0% · new

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 76.7%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People
Assets Under Management
$40.16B
Discretionary
$40.16B
Employees
79
Accounts
45
Address
9 WEST 57TH STREET
36TH FLOOR
NEW YORK, NY 10019
Phone
(212) 390-9100
Website
Name Title / Status Ownership Type
D1 CAPITAL MANAGEMENT LLC ControlGENERAL PARTNERLess than 5%Domestic Entity
FOX, ANTHONY, EDWARD ControlCHIEF FINANCIAL OFFICERLess than 5%Individual
HECTOR, AMANDA, NMN ControlCHIEF COMPLIANCE OFFICER / GENERAL COUNSELLess than 5%Individual
J.P. MORGAN TRUST COMPANY OF DELAWARE ControlTRUSTEEGeneral partnerDomestic Entity
KATZ, JEREMY, LOUIS ControlPRESIDENT AND COOLess than 5%Individual
SUNDHEIM, DANIEL, SAUL ControlCHIEF INVESTMENT OFFICER / LIMITED PARTNER75% or moreIndividual
SUNDHEIM, DANIEL, SAUL ControlMEMBER75% or moreIndividual
DANIEL SUNDHEIM 2018 NONGRANTOR TRUSTLIMITED PARTNER10–25%Domestic Entity
JPMORGAN TRUST COMPANY OF DELAWARETRUSTEE, DANIEL SUNDHEIM 2018 NONGRANTOR TRUSTLess than 5%Domestic Entity

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Top Adds (vs prior quarter)

Show all 22 →

Top Trims

Show all 8 →

New Positions

Show all 21 →

Exited Positions

Show all 10 →

D1 Capital Partners L.P. Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 SPACE EXPLORATION TECHN CORP SPCX 84615Q103 $21.54B 61.91% 126,042,232 SH
2 MAPLEBEAR INC CART 565394103 $1.07B 3.07% 22,564,435 SH
3 JAMES HARDIE INDS PLC JHX G4253H101 $721.1M 2.07% 27,545,516 SH
4 NU HLDGS LTD NU G6683N103 $593.4M 1.71% 44,418,543 SH
5 JOHNSON CONTROLS INTERNATION JCI G51502105 $548.2M 1.58% 3,751,887 SH
6 MERCADOLIBRE INC MELI 58733R102 $471.0M 1.35% 277,475 SH
7 US FOODS HLDG CORP USFD 912008109 $460.3M 1.32% 4,501,964 SH
8 DANAHER CORP DEL DHR 235851102 $434.7M 1.25% 2,282,039 SH
9 SHERWIN WILLIAMS CO SHW 824348106 $431.3M 1.24% 1,252,471 SH
10 REDDIT INC RDDT 75734B100 $427.8M 1.23% 2,464,411 SH
11 THERMO FISHER SCIENTIFIC INC TMO 883556102 $409.7M 1.18% 817,123 SH
12 KILROY REALTY CORP KRC 49427F108 $393.4M 1.13% 10,498,120 SH
13 CLEAN HARBORS INC CLH 184496107 $393.0M 1.13% 1,315,501 SH
14 SOMNIGROUP INTERNATIONAL INC SGI 88023U101 $390.1M 1.12% 4,975,364 SH
15 FLOWSERVE CORP FLS 34354P105 $368.5M 1.06% 4,968,713 SH
16 APPLOVIN CORP APP 03831W108 $344.8M 0.99% 669,282 SH
17 META PLATFORMS INC META 30303M102 $319.1M 0.92% 566,500 SH
18 FERGUSON ENTERPRISES INC FERG 31488V107 $304.3M 0.87% 1,282,038 SH
19 DISNEY WALT CO DIS 254687106 $276.7M 0.80% 2,874,400 SH
20 ALPHABET INC GOOGL 02079K305 $263.8M 0.76% 738,300 SH
21 SPOTIFY TECHNOLOGY S A SPOT L8681T102 $261.2M 0.75% 568,855 SH
22 CARVANA CO CVNA 146869102 $248.8M 0.72% 3,779,517 SH
23 DOORDASH INC DASH 25809K105 $240.6M 0.69% 1,303,705 SH
24 INTUITIVE SURGICAL INC ISRG 46120E602 $228.3M 0.66% 574,200 SH
25 SCHWAB CHARLES CORP SCHW 808513105 $227.6M 0.65% 2,466,590 SH
26 CAPITAL ONE FINL CORP COF 14040H105 $219.4M 0.63% 1,093,438 SH
27 LINEAGE INC LINE 53566V106 $204.8M 0.59% 4,736,312 SH
28 MARTIN MARIETTA MATLS INC MLM 573284106 $199.0M 0.57% 345,060 SH
29 COMPASS INC COMP 20464U100 $187.7M 0.54% 15,224,831 SH
30 COUPANG INC CPNG 22266T109 $178.8M 0.51% 10,292,141 SH
31 LINDE PLC LIN G54950103 $177.2M 0.51% 341,538 SH
32 TESLA INC TSLA 88160R101 $169.0M 0.49% 401,900 SH
33 LATTICE SEMICONDUCTOR CORP LSCC 518415104 $165.8M 0.48% 1,084,051 SH
34 SEA LTD SE 81141R100 $160.8M 0.46% 1,678,332 SH
35 AFFIRM HLDGS INC AFRM 00827B106 $155.6M 0.45% 1,908,511 SH
36 AMAZON COM INC AMZN 023135106 $149.7M 0.43% 628,082 SH
37 BUILDERS FIRSTSOURCE INC BLDR 12008R107 $146.7M 0.42% 1,639,222 SH
38 APOLLO GLOBAL MGMT INC APO 03769M106 $137.1M 0.39% 1,159,000 SH
39 QNITY ELECTRONICS INC Q 74743L100 $136.2M 0.39% 833,996 SH
40 TEXAS INSTRS INC TXN 882508104 $120.9M 0.35% 405,474 SH
41 MONOLITHIC PWR SYS INC MPWR 609839105 $117.6M 0.34% 85,103 SH
42 AMRIZE LTD AMRZ H2927K103 $116.6M 0.34% 2,187,487 SH
43 UNITY SOFTWARE INC U 91332U101 $102.1M 0.29% 3,572,473 SH
44 LITTELFUSE INC LFUS 537008104 $102.1M 0.29% 224,164 SH
45 SHOPIFY INC SHOP 82509L107 $94.9M 0.27% 830,891 SH
46 COREWEAVE INC CRWV 21873S108 $62.6M 0.18% 628,446 SH
47 SNOWFLAKE INC SNOW 833445109 $55.0M 0.16% 216,019 SH
48 HYPERLIQUID STRATEGIES INC PURR 44916Y106 $49.9M 0.14% 6,342,600 SH
49 MADISON AIR SOLUTIONS CORP MAIR 55658T105 $48.8M 0.14% 1,250,000 SH
50 ANALOG DEVICES INC ADI 032654105 $40.5M 0.12% 102,040 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $34.78B 55 0001172661-26-003662
2026-03-31 2026-05-15 $11.23B 44 0001172661-26-002178
2025-12-31 2026-02-17 $10.70B 42 0001172661-26-000855
2025-09-30 2025-11-14 $8.71B 38 0001172661-25-004963
Filer Information
Address
9 WEST 57TH STREET
36TH FLOOR
NEW YORK, NY 10019
Phone
(212) 390-9100
Filing Manager
D1 Capital Partners L.P.
New York, NY
Signatory
Amanda Hector
General Counsel / Chief Compliance Officer