Investor · Pittsburgh, PA
John Grefenstette
Open John in the network graph →Filings
35
SEC Form D
Connections
37
co-filers
Capital
$1.6M
across filings
Active
Jul 2019
to Apr 2023
Most-connected co-filers (37)
Tracy Black · Plano, TX31 sharedMichael Magnusson · Indianapolis, IN31 sharedMark Floyd · Plano, TX31 sharedJ.P. Morgan Private Investments Inc · New York, NY30 sharedRichard Ruffer · New York, NY29 sharedGrant N. Cellier · Grand Cayman, Cayman Islands29 sharedJ.P. Morgan Private Investments Inc · New York, NY28 sharedIntertrust Alternative Investment Fund Management (Ireland) Limited · Dublin 4, Ireland15 sharedIntertrust Alternative Investment Fund Management (Ireland) Limited · Dublin 4, Ireland15 sharedSof Xii Private Investors Gp Ltd · George Town, Grand Cayman, Cayman Islands4 sharedSof Xii Private Investors Gp Ltd · George Town, Grand Cayman, Cayman Islands4 sharedSof Xii Private Investors Gp Ltd · George Town, Grand Cayman, Cayman Islands4 sharedCoatue Growth Fund V Private Investors Gp, Ltd · George Town, Grand Cayman, Cayman Islands3 sharedTiger Global Pip Xv Private Investors Gp, Ltd · George Town, Grand Cayman, Cayman Islands3 sharedTiger Global Pip Xv Private Investors Gp, Ltd · George Town, Grand Cayman, Cayman Islands3 sharedCoatue Growth Fund V Private Investors Gp, Ltd · George Town, Grand Cayman, Cayman Islands3 sharedTiger Global Pip Xv Private Investors Gp, Ltd · George Town, Grand Cayman, Cayman Islands3 sharedHayfin Management Limited · London, United Kingdom2 sharedNd Growth Private Investors Gp Ltd · George Town, Grand Cayman, Cayman Islands2 sharedAltaris Health Partners V Private Investors Gp Ltd · George Town, Grand Cayman, Cayman Islands2 sharedStimson Snead · Studio City, CA2 sharedDonald Burke · Pittsburgh, PA2 sharedRobert Delach · Pittsburgh, PA2 sharedGeorge A. Lea · Fort Worth, TX2 shared
Recent filings (35)
Industry Ventures X Private Investors, LLCApr 2023 · 5 co-filersNEA 18 Private Investors, LLCJun 2022 · 7 co-filersNEA 18 Private Investors, LLCApr 2022 · 7 co-filersTiger Global PIP XV Private Investors Offshore, L.P.Jan 2022 · 12 co-filersTiger Global PIP XV Private Investors, L.L.C.Nov 2021 · 7 co-filersTiger Global PIP XV Private Investors Offshore, L.P.Nov 2021 · 12 co-filersTiger Global PIP XV Private Investors Offshore, L.P.Oct 2021 · 12 co-filersTiger Global PIP XV Private Investors, L.L.C.Oct 2021 · 7 co-filersCoatue Growth Fund V Private Investors Offshore, L.P.Sep 2021 · 11 co-filersCoatue Growth Fund V Private Investors, L.L.C.Aug 2021 · 7 co-filersCoatue Growth Fund V Private Investors Offshore, L.P.Aug 2021 · 11 co-filersCoatue Growth Fund V Private Investors Offshore, L.P.Jul 2021 · 11 co-filersCoatue Growth Fund V Private Investors, L.L.C.Jul 2021 · 7 co-filersSVSS V Private Investors, LLCMay 2021 · 7 co-filersSVSS V Private Investors Offshore, L.P.May 2021 · 11 co-filersTreat Street LLCApr 2021 · 2 co-filers$3.0MEpistemix, Inc.Apr 2021 · 11 co-filers$1.0MEpistemix, Inc.Apr 2021 · 11 co-filers$800KAltaris Health Partners V Private Investors Offshore, L.P.Jan 2021 · 11 co-filersSOF XII Private Investors Offshore 1, L.P.Dec 2020 · 12 co-filersSOF XII Private Investors, LLCDec 2020 · 7 co-filersSOF XII Private Investors Offshore 2, L.P.Dec 2020 · 10 co-filersND Growth Private Investors, LLCNov 2020 · 7 co-filersND Growth Private Investors Offshore, L.P.Nov 2020 · 11 co-filersSOF XII Private Investors Offshore 1, L.P.Oct 2020 · 12 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See John in the interactive graph →