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 2025Q2 — net new, added, trimmed, exited.
New positions5 names
Added to13 names
- CLHCLEAN HARBORS INC+1,250,615$289.1M
- NUNU HLDGS LTD+14,329,933$196.6M
- TOLTOLL BROTHERS INC+913,881$104.3M
- LINELINEAGE INC+2,165,533$94.2M
- SGITEMPUR SEALY INTL INC+1,329,828$90.5M
- COFCAPITAL ONE FINL CORP+351,000$74.7M
- CNMCORE & MAIN INC+1,067,000$64.4M
- CRSCARPENTER TECHNOLOGY CORP+205,743$56.9M
- BACBK OF AMERICA CORP+666,147$31.5M
- RDDTREDDIT INC+139,000$20.9M
- APOAPOLLO GLOBAL MGMT INC+138,791$19.7M
- XPOXPO LOGISTICS INC+92,730$11.7M
- + 1 more…
Trimmed12 names
- ELVANTHEM INC−252,000$98.0M
- SCHWSCHWAB CHARLES CORP−831,704$75.9M
- AKXANSYS INC−209,910$73.7M
- BDXBECTON DICKINSON & CO−336,728$58.0M
- AMZNAMAZON COM INC−250,347$54.9M
- PMPHILIP MORRIS INTL INC−280,000$51.0M
- ALKALASKA AIR GROUP INC−987,052$48.8M
- USFDUS FOODS HLDG CORP−290,000$22.3M
- PRMBPRIMO BRANDS CORPORATION−414,247$12.3M
- GEHCGE HEALTHCARE TECHNOLOGIES I−90,000$6.7M
- ENTGENTEGRIS INC−54,960$4.4M
- APPAPPLOVIN CORP−18$6K
Exited13 names
- V7780TROYAL CARIBBEAN GROUP−1,114,713$229.0M
- CPCANADIAN PACIFIC KANSAS CITY−2,327,000$163.4M
- SNPSSYNOPSYS INC−334,700$143.5M
- CRLCHARLES RIV LABS INTL INC−777,489$117.0M
- CVNACARVANA CO−370,000$77.4M
- BBWIBATH & BODY WORKS INC−2,200,000$66.7M
- LENLENNAR CORP−468,433$53.8M
- CDNSCADENCE DESIGN SYSTEM INC−198,000$50.4M
- INTCINTEL CORP−1,443,000$32.8M
- AMATAPPLIED MATLS INC−205,000$29.7M
- LRCXLAM RESEARCH CORP−403,000$29.3M
- QSRRESTAURANT BRANDS INTL INC−92,833$6.2M
- + 1 more…
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