DOSSIER · 13F-HR · Q1 2026

D1 Capital Partners L.P.

D1 L.P.'s holding co. based in Boston, MA $11.2B in tracked AUM across 44 positions as of Q1 2026.

DL
D1 L.P.·Boston, MA·Holding Co.
CIK 0001747057 · last filed Mar 31, 2026
Total AUM
$11.2B
17.8%
vs prior
Holdings
44
positions
Whale Score
75
75
strong
Activity
no data
changes this Q
Top sector
Financials
12% weight
concentration
AI Analysis · Q1 2026 · Q1 2026

D1 Capital Partners L.P. – SEC 13F Filing Analysis Report Period: Q3 2025 (Report Date: September 30, 2025)

1. Portfolio Overview

D1 Capital Partners executed a significant portfolio restructuring during the third quarter of 2025, characterized by aggressive deleveraging and a strategic pivot in asset allocation. The firm reduced its total portfolio value by 35.9%, dropping from $7.20 billion to $4.62 billion. This reduction was driven not merely by market performance but by active ...

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
CART
MAPLEBEAR INC
$845M22.6M7.5%
02
MELI
MERCADOLIBRE INC
$646M374K5.8%
03
G4253H101
JAMES HARDIE INDS PLC
$536M28.3M4.8%
04
DHR
DANAHER CORP DEL
$437M2.3M3.9%
05
FLS
FLOWSERVE CORP
$432M5.9M3.8%
06
USFD
US FOODS HLDG CORP
$395M4.3M3.5%
07
CLH
CLEAN HARBORS INC
$384M1.3M3.4%
08
AMZN
AMAZON COM INC
$376M1.8M3.4%
09
G6683N103
NU HLDGS LTD
$372M25.9M3.3%
10
TMO
THERMO FISHER SCIENTIFIC INC
$356M725K3.2%

Filing history

Filing history loading…