Ledger.
Investor · SYLMAR, CA

Matthew T. Pfeffer

Open Matthew in the network graph →
Filings
17
SEC Form D
Connections
48
co-filers
Capital
$17.0M
across filings
Active
Jun 2017
to May 2025

Most-connected co-filers (48)

Cheryl Moore · Town and Country, MO11 sharedAquilus Management Ltd · Hamilton, Bermuda11 sharedStacie S. Switzer · Cleveland, OH11 sharedMatthew P. Myles · LONDON, United Kingdom11 sharedZoe J. Hanson · Grand Cayman, Cayman Islands11 sharedAmit Tiwari · NEW YORK, NY11 sharedIan Abramowitz · Vaughan, Ontario, Canada11 sharedKevin J. Insley · Grand Cayman, Cayman Islands11 sharedAlatus Capital Ltd · Geneva, V89 sharedJon Lim · NEW YORK, NY9 sharedScott Franklin · Berkeley, CA9 sharedRobert S. Reitman · Cleveland, OH7 sharedRobert J. Stewart · Grand Cayman, Cayman Islands7 sharedTed S. Torphy, Ph.D · Cleveland, OH7 sharedJohn T. Blake · SYLMAR, CA5 sharedCharu P. Fernando · LONDON, United Kingdom4 sharedNicolas J. Vong · Grand Cayman, Cayman Islands4 sharedJonathan S. Stamler, M.D · Cleveland, OH4 sharedJonathan W. Mcguire · Sylmar, CA4 sharedGregg T. Williams · SYLMAR, CA4 sharedAaron T. Mendelsohn · SYLMAR, CA4 sharedMatthew Turner · Grand Cayman, Cayman Islands3 sharedWilliam T. Link · SYLMAR, CA3 sharedMark G. Saffman · Boulder, CO3 shared

Recent filings (17)

Alatus Inflection Long Only Fund LtdMay 2025 · 14 co-filersAquilus Inflection Fund LtdMay 2025 · 14 co-filersAquilus Inflection Fund LtdMay 2024 · 14 co-filersAlatus Inflection Long Only Fund LtdMay 2024 · 14 co-filersAlatus Inflection Long Only Fund LtdJun 2023 · 14 co-filersAlatus Inflection Long Only Fund LtdJun 2022 · 14 co-filersAlatus Inflection Long Only Fund LtdJun 2021 · 14 co-filersSECOND SIGHT MEDICAL PRODUCTS INCApr 2021 · 11 co-filers$27.9MSECOND SIGHT MEDICAL PRODUCTS INCApr 2021 · 11 co-filers$27.9MAlatus Inflection Long Only Fund LtdJun 2020 · 14 co-filersAlatus Inflection Long Only Fund LtdJun 2019 · 14 co-filersCuttone IPR Proprietary Alpha Fund, LPMar 2019 · 11 co-filersSECOND SIGHT MEDICAL PRODUCTS INCDec 2018 · 16 co-filers$3.0MSECOND SIGHT MEDICAL PRODUCTS INCOct 2018 · 17 co-filers$4.0MAlatus Inflection Long Only Fund LtdJun 2018 · 14 co-filersSECOND SIGHT MEDICAL PRODUCTS INCMay 2018 · 16 co-filers$10.0MAlatus Inflection Long Only Fund LtdJun 2017 · 14 co-filersCuttone IPR Proprietary Alpha Fund, LPJun 2017 · 11 co-filers

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