Investor · New York, NY

Ian Sigalow

Open Ian in the network graph →

Filings

189

SEC Form D

Connections

770

co-filers

Capital

$635.7M

across filings

Active

Oct 2019

to Jul 2025

Most-connected co-filers (770)

Dana Settle · New York, NY38 shared Alan Patricof · New York, NY16 shared Tommaso Trionfi · New York, NY12 shared Anthony Bavaro · New York, NY12 shared Eric A. Feldstein · New York, NY12 shared Ruth Foxe-Blader · San Mateo, CA12 shared Shaun Tuch · Los Angeles, CA12 shared Anthony L. Ludlow · Plano, TX12 shared Carlos Arias · ORLANDO, FL12 shared Meg H. Watel · Boston, MA12 shared Michael Kent · Madison, WI12 shared Arnon Dinur · New York, NY12 shared Ronald D. Hawley · Plymouth, MN12 shared Scott M. Fennell · North Charleston, SC12 shared Kristen A. Bayazitoglu · Houston, TX12 shared David J. Hook · Plano, TX12 shared Gary Tuch · Los Angeles, CA12 shared Ryan Elswick · Kingsport, TN12 shared Nicholas Wilkin · Narberth, PA12 shared Paul A. Bachtold · Houston, TX12 shared Nicolas R. El Baze · Portland, OR12 shared Matthew A. Hibbetts · Houston, TX12 shared AQR Capital Managment, LLC · Greenwich, CT12 shared Betsy Cohen · New York, NY12 shared

Recent filings (189)

Rockrose Capital, L.P.Mar 2026 · 1 co-filer$400.0M Greycroft Consumer Products Fund II, L.P.Dec 2025 · 9 co-filers Spark Community Investment CoAug 2025 · 19 co-filers$25.3M Greycroft Public Opportunities Fund, L.P.Jul 2025 · 7 co-filers BITE Investments Holding Co Two LtdJun 2025 · 5 co-filers$100.0M BITE Investments (Cayman) LtdJun 2025 · 14 co-filers$100.0M BITE Investments Holding Co Three LtdJun 2025 · 5 co-filers$100.0M Newton Research, Inc.May 2025 · 10 co-filers$9.0M Newton Research, Inc.May 2025 · 10 co-filers$9.0M Rockrose Capital, L.P.Mar 2025 · 4 co-filers$400.0M BITE Investments Holding Co Three LtdJul 2024 · 5 co-filers$100.0M Greycroft Public Opportunities Fund, L.P.Jul 2024 · 7 co-filers BITE Investments (Cayman) LtdJun 2024 · 14 co-filers$100.0M BITE Investments Holding Co Two LtdJun 2024 · 5 co-filers$100.0M GC Co-Invest Co.AI, L.P.Apr 2024 · 5 co-filers$11.0M Landing Holdings Inc.Apr 2024 · 17 co-filers$30.0M Landing Holdings Inc.Apr 2024 · 17 co-filers$30.0M Rockrose Capital, L.P.Mar 2024 · 4 co-filers$400.0M Amplify Life Insurance CoFeb 2024 · 6 co-filers$20.0M Amplify Life Insurance CoFeb 2024 · 6 co-filers$20.0M Inhibrx, Inc.Aug 2023 · 17 co-filers$200.0M Greycroft Public Opportunities Fund, L.P.Jul 2023 · 7 co-filers Greycroft CCS Sustainability Fund, L.P.May 2023 · 5 co-filers BMH NORTH MISSISSIPPI IMAGING SERVICES LLCMar 2023 · 17 co-filers$806K BMH NORTH MISSISSIPPI IMAGING SERVICES LLCMar 2023 · 17 co-filers$806K

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