Investor · New York, NY

Daniel S. Sundheim

Open Daniel in the network graph →

Filings

138

SEC Form D

Connections

192

co-filers

Capital

$65.6B

across filings

Active

Nov 2018

to Feb 2026

Most-connected co-filers (192)

David C. Ott · Stamford, CT66 shared O. A. Halvorsen · Stamford, CT43 shared Thomas W. Purcell · New York, NY41 shared Adam C. Blackman · Cleveland, OH38 shared Victor Elkind · La Jolla, CA38 shared Niel J. Robertson · Boulder, CO37 shared D1 Capital Partners GP LLC · New York, NY34 shared D1 Capital Partners GP LLC · New York, NY30 shared State Street Bank and Trust Company · Boston, MA28 shared Viking Global Investors LP · Greenwich, CT27 shared Viking Global Performance LLC · Greenwich, CT23 shared Ragnar Horn · Grand Cayman, Cayman Islands20 shared Marc L. De Saint Phalle · New York, NY20 shared D1 Capital Partners L.P · New York, NY18 shared D1 Capital Partner L.P · New York, NY18 shared D1 Capital Partner L.P · New York, NY18 shared Curt R. Tobey · New York, NY14 shared Kevin Nessland · Bozeman, MT14 shared D1 Capital Partners L.P · New York, NY14 shared Stephen J. Strnisha · Cleveland, OH13 shared Jeff Jordan · San Francisco, CA12 shared D1 Capital Partners LP · New York, NY12 shared D1 Capital Partners LP · New York, NY12 shared Apoorva Mehta · San Francisco, CA12 shared

Recent filings (138)

D1 Aria Holdings-A LPFeb 2026 · 3 co-filers D1 Capital Series LLC - Series Aria 3Feb 2026 · 3 co-filers D1 Capital Series LLC - Series Aria 2Jan 2026 · 3 co-filers D1 Kilowatt Holdings LPJan 2026 · 3 co-filers D1 Private Fund Onshore LPNov 2025 · 4 co-filers D1 Private Co-Investment Fund Offshore LPNov 2025 · 4 co-filers D1 Private Co-Investment Fund Onshore LPNov 2025 · 4 co-filers D1 Private Fund Offshore LPNov 2025 · 4 co-filers D1 Private Fund Onshore LPOct 2025 · 4 co-filers D1 Private Co-Investment Fund Offshore LPOct 2025 · 4 co-filers D1 Private Co-Investment Fund Onshore LPOct 2025 · 4 co-filers D1 Private Fund Offshore LPOct 2025 · 4 co-filers D1 Capital Partners Onshore LPJul 2025 · 4 co-filers D1 Capital Partners Offshore LPJul 2025 · 4 co-filers D1 Capital Series LLC - Series OpusMay 2025 · 6 co-filers D1 Opus Holdings LPMay 2025 · 6 co-filers D1 Aria Holdings LPFeb 2025 · 6 co-filers D1 Capital Series LLC - Series AriaFeb 2025 · 6 co-filers D1 Capital Series LLC - Series JSNov 2024 · 7 co-filers D1 Flame Holdings LP - Class 2Aug 2024 · 6 co-filers D1 Capital Partners Onshore LPJul 2024 · 4 co-filers D1 Capital Partners Offshore LPJul 2024 · 4 co-filers D1 Flame Holdings LPJul 2023 · 6 co-filers D1 Capital Partners Offshore LPJul 2023 · 4 co-filers D1 Capital Partners Onshore LPJul 2023 · 4 co-filers

Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Daniel in the interactive graph →