Investor · New York, NY
Theodore I. Rostow
Open Theodore in the network graph →Filings
23
SEC Form D
Connections
77
co-filers
Capital
$13.9M
across filings
Active
Jul 2022
to Sep 2025
Most-connected co-filers (77)
Jeffrey W. Chivers · New York, NY11 sharedDavid Kerr · Lyons, KS5 sharedMarc W. Lieberman · Tiburon, CA5 sharedPortfolia Venture Management Llc · Woodside, CA5 sharedPortfolia Venture Management Llc · Woodside, CA5 sharedPortfolia Venture Management Llc · Woodside, CA5 sharedKeith N. Nilsson · Menlo Park, CA5 sharedPatricia Costello · San Mateo, CA5 sharedThe Northern Trust Company · Chicago, IL3 sharedNs Partners Ltd · London, United Kingdom3 sharedThe Northern Trust Company Of Delaware · Wilmington, DE3 sharedNs Partners Ltd · London, United Kingdom3 sharedKevin Colas · Oakland, CA3 sharedThe Northern Trust Company Of Delaware · Wilmington, DE3 sharedAnna Kirk · London, United Kingdom3 sharedRajiv A. Patel · San Francisco, CA3 sharedJonathan Lubin · Chicago, IL3 sharedSonya Thomas · Seattle, WA3 sharedTim Bray · London, United Kingdom3 sharedThe Northern Trust Company · Chicago, IL3 sharedRisto J. Silander · George Town, Grand Cayman, Cayman Islands2 sharedNorma W. Kuntz · Washington, Washington, D.C.2 sharedJeffrey C. Danley · Provo, UT2 sharedRyan R. Toteja · Washington, Washington, D.C.2 shared
Recent filings (23)
TLATech IncSep 2025 · 5 co-filers$5.8MTLATech IncSep 2025 · 5 co-filers$5.8MTLATech IncJan 2025 · 5 co-filersTLATech IncJan 2025 · 5 co-filersNS Partners Emerging Markets Equity Fund, a Series of NS Partners TrustJul 2024 · 11 co-filersColdQuanta, Inc.May 2024 · 38 co-filers$6.3MColdQuanta, Inc.May 2024 · 38 co-filers$4.5MTLATech IncMay 2024 · 5 co-filersTLATech IncMay 2024 · 5 co-filersPortfolia Active Aging Fund II LLCJan 2024 · 5 co-filersNS Partners Emerging Markets Equity Fund, a Series of NS Partners TrustJul 2023 · 11 co-filersTLATech IncJun 2023 · 5 co-filers$2.0MPortfolia Active Aging Fund II LLCJan 2023 · 5 co-filersPortfolia 2022 SPV 3 LLCJan 2023 · 5 co-filers$803KPortfolia 2022 SPV 2, LLCJan 2023 · 5 co-filers$777KPortfolia Active Aging Fund II LLCDec 2022 · 5 co-filers$1.3MNS Partners Emerging Markets Equity Fund, a Series of NS Partners TrustJul 2022 · 11 co-filersXplorer Capital Fund IV, L.P.Oct 2021 · 4 co-filersTLATech IncSep 2021 · 5 co-filers$1.1MXC Saltmine - A, LLCApr 2021 · 4 co-filersCAP Growth I Co-Investment, L.P.Apr 2021 · 15 co-filersXC FiscalNote - A, LLCNov 2020 · 5 co-filers$6.5MXC Cargomatic - A, LLCNov 2020 · 5 co-filersCAGP V Co-Investment, L.P.Apr 2020 · 15 co-filersXplorer Capital Fund IV, L.P.Apr 2020 · 4 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Theodore in the interactive graph →