Investor · BOSTON, MA

Justin Harrison

Open Justin in the network graph →

Filings

36

SEC Form D

Connections

167

co-filers

Capital

$4.3B

across filings

Active

Oct 2018

to Dec 2025

Most-connected co-filers (167)

Vikrant Raina · BOSTON, MA18 shared Matthew Kinsey · BOSTON, MA14 shared Jonathan Holmes · BOSTON, MA13 shared Gerald Hobbs · BOSTON, MA13 shared Noel Jeon · BOSTON, MA10 shared Nancy-Ann V. Deparle · New York, NY10 shared Elizabeth Granville-Smith · BOSTON, MA10 shared Justin Garrison · BOSTON, MA10 shared Stephen V. Mckenna · New York, NY9 shared Ahmet Arinc · London, United Kingdom9 shared Tolga Tuglular · London, United Kingdom9 shared Mitchell J. Blutt, Md · NEW YORK, NY9 shared Wayne R. Walker · New York, NY9 shared Benjamin Mandell · Miami, FL9 shared Michael Ricciardelli · BOSTON, MA8 shared Margaret Carter · BOSTON, MA8 shared Andrew Davis · BOSTON, MA8 shared Linda Traylor, Ph.D · Boulder, CO8 shared Alan Grayson · Orlando, FL8 shared Bruce Feuchter · Newport Beach, CA8 shared Carolyn Hoglund · BOSTON, MA7 shared Daniel Cheng · Toronto, Ontario, Canada7 shared Benjamin B. Edmands · New York, NY7 shared David Agostine · Golden, CO7 shared

Recent filings (36)

FIRST OTTAWA BANCSHARES, INC.Dec 2025 · 25 co-filers$33.5M BV RN Continuation Fund, L.P.Sep 2023 · 11 co-filers BVIP Fund XI, L.P.Sep 2023 · 11 co-filers$710.7M BVIP (Parallel) Fund XI, L.P.Sep 2023 · 11 co-filers$1.0B BVIP (Parallel) Fund XI, L.P.Jun 2023 · 8 co-filers BVIP Fund XI, L.P.Jun 2023 · 8 co-filers BVIP (Parallel) Fund XI, L.P.Jun 2022 · 8 co-filers BVIP Fund XI, L.P.Jun 2022 · 8 co-filers JenaValve Technology IncJan 2022 · 26 co-filers$50.2M Understory, Inc.Apr 2021 · 14 co-filers$6.4M Understory, Inc.Oct 2020 · 14 co-filers$4.1M BV SL Holdings, L.P.Oct 2020 · 10 co-filers$89.4M JenaValve Technology IncOct 2020 · 29 co-filers$66.5M BVIP Fund X, L.P.Mar 2020 · 5 co-filers$526.3M BVIP (Parallel) Fund X, L.P.Mar 2020 · 5 co-filers$595.7M JenaValve Technology IncFeb 2020 · 29 co-filers$55.5M FIRST OTTAWA BANCSHARES, INCFeb 2020 · 41 co-filers$15.0M Understory, Inc.Jul 2019 · 9 co-filers$8.5M JenaValve Technology IncJun 2019 · 28 co-filers$14.5M Understory, Inc.May 2019 · 14 co-filers$6.3M FIRST OTTAWA BANCSHARES INCApr 2019 · 44 co-filers$16.5M FIRST OTTAWA BANCSHARES INCNov 2018 · 44 co-filers$10.0M Understory, Inc.Nov 2018 · 14 co-filers$8.2M Understory, Inc.Oct 2018 · 14 co-filers$8.2M JenaValve Technology IncJul 2018 · 19 co-filers$14.3M

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