Hedge Fund · CIK 0001747057
Dan Sundheim
D1 Capital
Dan Sundheim runs D1 Capital, a hedge fund overseeing $10.70B in disclosed equity holdings (SEC CIK 0001747057). The latest portfolio (2025Q4) discloses 42 positions across 10 sectors, with the largest positions in CART, CLH and FLS. On a mark-to-market basis the tracked portfolio has returned 27.7% over the past year. OpenStocks tracks 29 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.
Portfolio
$10.70B
Positions
42
Quarter
2025Q4
Filings tracked
29
Capital flow per quarter
BuysSellsNet
Latest · 2025Q4
+$1.69B
Lifetime buys
$32.73B
Lifetime sells
$37.08B
Quarter activity
What changed in 2023Q4 — net new, added, trimmed, exited.
New positions3 names
Added to7 names
Trimmed14 names
- MSFTMICROSOFT CORP−1,064,448$400.3M
- RIVNRIVIAN AUTOMOTIVE INC−7,617,566$178.7M
- PODDINSULET CORP−816,000$177.1M
- METAMETA PLATFORMS INC−449,300$159.0M
- SGITEMPUR SEALY INTL INC−2,782,845$141.8M
- ELVANTHEM INC−270,000$127.3M
- XYZBLOCK INC−1,427,000$110.4M
- GEGENERAL ELECTRIC CO−774,000$98.8M
- VVISA INC−346,000$90.1M
- ENTGENTEGRIS INC−656,822$78.7M
- NUNU HLDGS LTD−6,043,591$50.3M
- INVHINVITATION HOMES INC−1,215,885$41.5M
- + 2 more…
Exited12 names
- YUMYUM BRANDS INC−900,000$112.4M
- VVVVALVOLINE INC−3,285,031$105.9M
- HLTHILTON WORLDWIDE HLDGS INC−680,215$102.2M
- DHRDANAHER CORPORATION−326,000$80.9M
- LVSLAS VEGAS SANDS CORP−1,576,415$72.3M
- NVDANVIDIA CORPORATION−146,741$63.8M
- APDAIR PRODS & CHEMS INC−201,000$57.0M
- CRMSALESFORCE COM INC−195,000$39.5M
- MDBMONGODB INC−105,000$36.3M
- SGHTSIGHT SCIENCES INC−5,852,036$19.7M
- LLYVK*LIBERTY MEDIA CORP DEL−58,162$1.9M
- G2007LCAZOO GROUP LTD−1,841,326$1.0M
Recent transactions
Last 20 moves
NEW
LINDE PLC
+483,808
~$426.39 · 2025Q4
2026-02-17
NEW
AMAZON COM INC
+1,340,523
~$230.82 · 2025Q4
2026-02-17
SOLD
CARPENTER TECHNOLOGY CORP
−505,329
~$245.54 · 2025Q4
2026-02-17
ADD
GE HEALTHCARE TECHNOLOGIES I
+768,700
~$82.02 · 2025Q4
2026-02-17
ADD
JAMES HARDIE INDS PLC
+5,404,866
~$20.75 · 2025Q4
2026-02-17
ADD
KNIGHT-SWIFT TRANSN HLDGS IN
+3,988,299
~$52.28 · 2025Q4
2026-02-17