Investor · New York, NY

Helen M. Koo

Open Helen in the network graph →

Filings

45

SEC Form D

Connections

145

co-filers

Capital

$5.5B

across filings

Active

Apr 2023

to Dec 2025

Most-connected co-filers (145)

Daniel R. O'Neill · San Francisco, CA19 shared Florian Grigoleit · San Francisco, CA18 shared Christopher M. Denune · New York, NY13 shared Marion T. Kolb · Luxembourg, Luxembourg11 shared Stefan R. Ruppert · Luxembourg, Luxembourg11 shared Alexander M. Horstmann-Caines · London, United Kingdom10 shared Nichols Garrett · Watertown, MA9 shared Brendan Mccarty · New York, NY8 shared Jeffrey M. Smith · San Francisco, CA8 shared KKR Associates Opportunities III SCSp · San Francisco, CA8 shared John D. Schaefer · Cleveland, OH8 shared Joseph P. Olszak · Cleveland, OH8 shared Alon Goren · WESTLAKE VILLAGE, CA8 shared Phillip M. Kim · New York, NY8 shared Nicole Kraus · Arlington, VA8 shared Laurance R. Hoagland, Iii · St. Louis, MO8 shared Noah B. Greenhill · New York, NY8 shared Nathanael Vossler · Kirkland, WA8 shared Jessica M. Woolf · New York, NY8 shared Mary A. Shaw · New York, NY8 shared John T. Comet · Chicago, IL8 shared Sara A. Verkest · New York, NY8 shared Kkr Opportunities Iii S.A R.L · San Francisco, CA8 shared Kkr Opportunities Iii S.A R.L · San Francisco, CA8 shared

Recent filings (45)

Legend Capital Ventures II, LLCMar 2026 · 2 co-filers KKR North America Fund XIV SBS (QP) L.P.Mar 2026 · 2 co-filers KKR North America Fund XIV ESC (Lev) L.P.Mar 2026 · 2 co-filers KKR North America Fund XIV SBS L.P.Mar 2026 · 2 co-filers KKR North America Fund XIV ESC (Unlev) L.P.Mar 2026 · 2 co-filers KKR Next Generation Technology Growth Fund IV SCSpMar 2026 · 5 co-filers KKR North America Fund XIV (GRI) SCSpDec 2025 · 11 co-filers KKR North America Fund XIV (GRI) SCSpDec 2025 · 11 co-filers KKR North America Fund XIV SCSpDec 2025 · 11 co-filers KKR North America Fund XIV Private Investors (Direct) L.P.Dec 2025 · 7 co-filers KKR Opportunities (EUR EEA) Fund III SCSpDec 2025 · 9 co-filers KKR North America Fund XIV SCSpDec 2025 · 11 co-filers KKR North America Fund XIV Private Investors (Direct) L.P.Dec 2025 · 7 co-filers KKR Opportunities (EUR EEA) Fund III SCSpDec 2025 · 9 co-filers KKR Opportunities (TE) Feeder III L.P.Sep 2025 · 9 co-filers KKR Opportunities (EEA) Fund Private Investors III SCSpSep 2025 · 9 co-filers KKR Opportunities (EEA) Fund III SCSpSep 2025 · 9 co-filers KKR Opportunities (Domestic) Fund Private Investors III L.P.Sep 2025 · 9 co-filers KKR Opportunities (Domestic) Fund III SCSpSep 2025 · 9 co-filers KKR Opportunities (Domestic) Feeder III L.P.Sep 2025 · 9 co-filers KKR Opportunities (Domestic) Feeder III L.P.Sep 2025 · 9 co-filers KKR Opportunities (Domestic) Fund III SCSpSep 2025 · 9 co-filers KKR Opportunities (Domestic) Fund Private Investors III L.P.Sep 2025 · 9 co-filers KKR Opportunities (EEA) Fund III SCSpSep 2025 · 9 co-filers KKR Opportunities (EEA) Fund Private Investors III SCSpSep 2025 · 9 co-filers

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